Merge pull request #163 from noqcks/master

Update tests for Kubernetes 1.11 - thank you @noqcks!

.gitignore

@@ -1,2 +1,4 @@
 kube-bench
 *.swp
+vendor
+dist

.goreleaser.yml

@@ -0,0 +1,19 @@
+builds:
+  - main: main.go
+    binary: kube-bench
+    goos:
+      - darwin
+      - linux
+    goarch:
+      - amd64
+# Archive customization
+archive:
+  format: tar.gz
+nfpm:
+  vendor: Aqua Security
+  description: "The Kubernetes Bench for Security is a Go application that checks whether Kubernetes is deployed according to security best practices"
+  license: Apache-2.0
+  homepage: https://github.com/aquasecurity/kube-bench
+  formats:
+    - deb
+    - rpm

.travis.yml

@@ -1,6 +1,33 @@
+---
 language: go
-install: 
-  - go get github.com/aquasecurity/kube-bench
+
+sudo: required
+
+services:
+  - docker 
+
+notifications:
+  email: false
+
+before_install:
+  - sudo apt-get -qq update
+  - sudo apt-get install -y rpm
+  - gem install --no-ri --no-rdoc fpm
+
+install:
+  - go get -v github.com/golang/dep/cmd/dep
+  - dep ensure -v -vendor-only
+
 script:
   - go test ./...
-  - go build -o kube-bench .
+  - docker build --tag kube-bench .
+  - docker run -v `pwd`:/host kube-bench install 
+  - test -d cfg
+  - test -f kube-bench
+
+after_success:
+  - test -n "$TRAVIS_TAG" && curl -sL https://git.io/goreleaser | bash
+
+env:
+  global:
+    secure: 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

Dockerfile

@@ -1,16 +1,22 @@
-FROM golang:1.8
-WORKDIR /kube-bench
-RUN go get github.com/aquasecurity/kube-bench
-RUN cp /go/bin/kube-bench /kube-bench/ && chmod +x /kube-bench/kube-bench
-WORKDIR /kube-bench/cfg
-RUN wget https://raw.githubusercontent.com/aquasecurity/kube-bench/master/cfg/config.yaml && \
-    wget https://raw.githubusercontent.com/aquasecurity/kube-bench/master/cfg/federated.yaml && \
-    wget https://raw.githubusercontent.com/aquasecurity/kube-bench/master/cfg/master.yaml && \
-    wget https://raw.githubusercontent.com/aquasecurity/kube-bench/master/cfg/node.yaml
-# When Docker Hub supports it, we would split this into a multi-stage build with the second part based on, say, alpine for size
-WORKDIR /
-ADD entrypoint.sh /entrypoint.sh
-ENTRYPOINT /entrypoint.sh
+FROM golang:1.9 AS build
+WORKDIR /go/src/github.com/aquasecurity/kube-bench/
+ADD Gopkg.toml Gopkg.lock ./
+RUN go get -v github.com/golang/dep/cmd/dep && dep ensure -v -vendor-only
+ADD main.go .
+ADD check/ check/
+ADD cmd/ cmd/
+RUN CGO_ENABLED=0 go install -a -ldflags '-w'
+
+FROM alpine:3.7 AS run
+WORKDIR /opt/kube-bench/
+# add GNU ps for -C, -o cmd, and --no-headers support
+# https://github.com/aquasecurity/kube-bench/issues/109
+RUN apk --no-cache add procps
+COPY --from=build /go/bin/kube-bench /usr/local/bin/kube-bench
+ADD entrypoint.sh .
+ADD cfg/ cfg/
+ENTRYPOINT ["./entrypoint.sh"]
+CMD ["install"]
 
 # Build-time metadata as defined at http://label-schema.org
 ARG BUILD_DATE

Gopkg.lock

@@ -0,0 +1,153 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  name = "github.com/fatih/color"
+  packages = ["."]
+  revision = "570b54cabe6b8eb0bc2dfce68d964677d63b5260"
+  version = "v1.5.0"
+
+[[projects]]
+  name = "github.com/fsnotify/fsnotify"
+  packages = ["."]
+  revision = "4da3e2cfbabc9f751898f250b49f2439785783a1"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/golang/glog"
+  packages = ["."]
+  revision = "23def4e6c14b4da8ac2ed8007337bc5eb5007998"
+
+[[projects]]
+  name = "github.com/hashicorp/hcl"
+  packages = [
+    ".",
+    "hcl/ast",
+    "hcl/parser",
+    "hcl/scanner",
+    "hcl/strconv",
+    "hcl/token",
+    "json/parser",
+    "json/scanner",
+    "json/token"
+  ]
+  revision = "23c074d0eceb2b8a5bfdbb271ab780cde70f05a8"
+
+[[projects]]
+  name = "github.com/inconshreveable/mousetrap"
+  packages = ["."]
+  revision = "76626ae9c91c4f2a10f34cad8ce83ea42c93bb75"
+  version = "v1.0"
+
+[[projects]]
+  name = "github.com/jinzhu/gorm"
+  packages = [
+    ".",
+    "dialects/postgres"
+  ]
+  revision = "5174cc5c242a728b435ea2be8a2f7f998e15429b"
+  version = "v1.0"
+
+[[projects]]
+  name = "github.com/jinzhu/inflection"
+  packages = ["."]
+  revision = "1c35d901db3da928c72a72d8458480cc9ade058f"
+
+[[projects]]
+  name = "github.com/lib/pq"
+  packages = [
+    ".",
+    "hstore",
+    "oid"
+  ]
+  revision = "83612a56d3dd153a94a629cd64925371c9adad78"
+
+[[projects]]
+  name = "github.com/magiconair/properties"
+  packages = ["."]
+  revision = "49d762b9817ba1c2e9d0c69183c2b4a8b8f1d934"
+
+[[projects]]
+  name = "github.com/mattn/go-colorable"
+  packages = ["."]
+  revision = "5411d3eea5978e6cdc258b30de592b60df6aba96"
+
+[[projects]]
+  name = "github.com/mattn/go-isatty"
+  packages = ["."]
+  revision = "57fdcb988a5c543893cc61bce354a6e24ab70022"
+
+[[projects]]
+  name = "github.com/mitchellh/mapstructure"
+  packages = ["."]
+  revision = "06020f85339e21b2478f756a78e295255ffa4d6a"
+
+[[projects]]
+  name = "github.com/pelletier/go-toml"
+  packages = ["."]
+  revision = "0131db6d737cfbbfb678f8b7d92e55e27ce46224"
+
+[[projects]]
+  name = "github.com/spf13/afero"
+  packages = [
+    ".",
+    "mem"
+  ]
+  revision = "57afd63c68602b63ed976de00dd066ccb3c319db"
+
+[[projects]]
+  name = "github.com/spf13/cast"
+  packages = ["."]
+  revision = "acbeb36b902d72a7a4c18e8f3241075e7ab763e4"
+  version = "v1.1.0"
+
+[[projects]]
+  name = "github.com/spf13/cobra"
+  packages = ["."]
+  revision = "7b2c5ac9fc04fc5efafb60700713d4fa609b777b"
+  version = "v0.0.1"
+
+[[projects]]
+  name = "github.com/spf13/jwalterweatherman"
+  packages = ["."]
+  revision = "12bd96e66386c1960ab0f74ced1362f66f552f7b"
+
+[[projects]]
+  name = "github.com/spf13/pflag"
+  packages = ["."]
+  revision = "4c012f6dcd9546820e378d0bdda4d8fc772cdfea"
+
+[[projects]]
+  name = "github.com/spf13/viper"
+  packages = ["."]
+  revision = "25b30aa063fc18e48662b86996252eabdcf2f0c7"
+  version = "v1.0.0"
+
+[[projects]]
+  name = "golang.org/x/sys"
+  packages = ["unix"]
+  revision = "e24f485414aeafb646f6fca458b0bf869c0880a1"
+
+[[projects]]
+  name = "golang.org/x/text"
+  packages = [
+    "internal/gen",
+    "internal/triegen",
+    "internal/ucd",
+    "transform",
+    "unicode/cldr",
+    "unicode/norm"
+  ]
+  revision = "e19ae1496984b1c655b8044a65c0300a3c878dd3"
+
+[[projects]]
+  name = "gopkg.in/yaml.v2"
+  packages = ["."]
+  revision = "c95af922eae69f190717a0b7148960af8c55a072"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "8d9a1b665b338530deef434f168913ba1184f835aa5bfed3a213a14c613bc17e"
+  solver-name = "gps-cdcl"
+  solver-version = 1

Gopkg.toml

@@ -0,0 +1,23 @@
+[[constraint]]
+  name = "github.com/fatih/color"
+  version = "1.5.0"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/golang/glog"
+
+[[constraint]]
+  name = "github.com/jinzhu/gorm"
+  version = "1.0.0"
+
+[[constraint]]
+  name = "github.com/spf13/cobra"
+  version = "0.0.1"
+
+[[constraint]]
+  name = "github.com/spf13/viper"
+  version = "1.0.0"
+
+[prune]
+  go-tests = true
+  unused-packages = true

README.md

@@ -3,51 +3,92 @@
 [![Docker image](https://images.microbadger.com/badges/image/aquasec/kube-bench.svg)](https://microbadger.com/images/aquasec/kube-bench "Get your own image badge on microbadger.com")
 [![Source commit](https://images.microbadger.com/badges/commit/aquasec/kube-bench.svg)](https://microbadger.com/images/aquasec/kube-bench)
 
-# kube-bench
+<img src="images/kube-bench.png" width="200" alt="kube-bench logo">
 
-The Kubernetes Bench for Security is a Go application that checks whether Kubernetes is deployed securely by running the checks documented in the CIS Kubernetes 1.6 Benchmark v1.0.0.
+kube-bench is a Go application that checks whether Kubernetes is deployed securely by running the checks documented in the [CIS Kubernetes Benchmark](https://www.cisecurity.org/benchmark/kubernetes/).
 
-Tests are configured with YAML files, making this tool easy to update as test specifications evolve. 
+Tests are configured with YAML files, making this tool easy to update as test specifications evolve.
 
 ![Kubernetes Bench for Security](https://raw.githubusercontent.com/aquasecurity/kube-bench/master/images/output.png "Kubernetes Bench for Security")
 
+## CIS Kubernetes Benchmark support
+
+kube-bench supports the tests for multiple versions of Kubernetes (1.6, 1.7, 1.8, and 1.11) as defined in the CIS Benchmarks 1.0.0, 1.1.0, 1.2.0, and 1.30 respectively. It will determine the test set to run based on the Kubernetes version running on the machine.
 
 ## Installation
 
-You can either install kube-bench through a dedicated container, or compile it from source:
+You can choose to
+* run kube-bench from inside a container (sharing PID namespace with the host)
+* run a container that installs kube-bench on the host, and then run kube-bench directly on the host
+* install the latest binaries from the [Releases page](https://github.com/aquasecurity/kube-bench/releases),
+* compile it from source.
 
-1. Container installation:
-Run ```docker run --rm -v `pwd`:/host aquasec/kube-bench:latest```. This will copy the kube-bench binary and configuration to you host. You can then run ```./kube-bench <master|node>```.
+### Running inside a container
 
-2. Install from sources:
-If Go is installed on the target machines, you can simply clone this repository and run as follows: 
-```go get github.com/aquasecurity/kube-bench```
-```cp $GOROOT/bin/kube-bench .```
-```./kube-bench <master|node>```
-
-## Usage
-```./kube-bench [command]```
+You can avoid installing kube-bench on the host by running it inside a container using the host PID namespace.
 
 ```
-Available Commands:
-  federated   Run benchmark checks for a Kubernetes federated deployment.
-  help        Help about any command
-  master      Run benchmark checks for a Kubernetes master node.
-  node        Run benchmark checks for a Kubernetes node.
+docker run --pid=host -t aquasec/kube-bench:latest <master|node>
+```
+
+You can even use your own configs by mounting them over the default ones in `/opt/kube-bench/cfg/`
+
+```
+docker run --pid=host -t -v path/to/my-config.yaml:/opt/kube-bench/cfg/config.yaml aquasec/kube-bench:latest <master|node>
+```
+
+> Note: the tests require either the kubelet or kubectl binary in the path in order to know the Kubernetes version. You can pass `-v $(which kubectl):/usr/bin/kubectl` to the above invocations to resolve this.
+
+### Running in a kubernetes cluster
+Run the master check
+
+```
+kubectl run --rm -i -t kube-bench-master --image=aquasec/kube-bench:latest --restart=Never --overrides="{ \"apiVersion\": \"v1\", \"spec\": { \"hostPID\": true, \"nodeSelector\": { \"kubernetes.io/role\": \"master\" }, \"tolerations\": [ { \"key\": \"node-role.kubernetes.io/master\", \"operator\": \"Exists\", \"effect\": \"NoSchedule\" } ] } }" -- master --version 1.11
+```
+
+Run the node check
+
+```
+kubectl run --rm -i -t kube-bench-node --image=aquasec/kube-bench:latest --restart=Never --overrides="{ \"apiVersion\": \"v1\", \"spec\": { \"hostPID\": true } }" -- node --version 1.11
+```
+
+### Installing from a container
+
+This command copies the kube-bench binary and configuration files to your host from the Docker container:
+```
+docker run --rm -v `pwd`:/host aquasec/kube-bench:latest install
+```
+
+You can then run `./kube-bench <master|node>`.
+
+### Installing from sources
+
+If Go is installed on the target machines, you can simply clone this repository and run as follows (assuming your [$GOPATH is set](https://github.com/golang/go/wiki/GOPATH)):
+
+```shell
+go get github.com/aquasecurity/kube-bench
+go get github.com/golang/dep/cmd/dep
+cd $GOPATH/src/github.com/aquasecurity/kube-bench
+$GOPATH/bin/dep ensure -vendor-only
+go build -o kube-bench .
+
+# See all supported options
+./kube-bench --help
+
+# Run the all checks on a master node
+./kube-bench master
 
-Flags:
-  -c, --check string          A comma-delimited list of checks to run as specified in CIS document. Example --check="1.1.1,1.1.2"
-      --config string         config file (default is ./cfg/config.yaml)
-  -g, --group string          Run all the checks under this comma-delimited list of groups. Example --group="1.1"
-      --installation string   Specify how kubernetes cluster was installed. Possible values are default,hyperkube,kops,kubeadm (default "default")
-      --json                  Prints the results as JSON
-  -v, --verbose               verbose output (default false)
 ```
 
 ## Configuration
-Kubernetes config and binary file locations and names can vary from installation to installation, so these are configurable in the `cfg/config.yaml` file. 
+Kubernetes config and binary file locations and names can vary from installation to installation, so these are configurable in the `cfg/config.yaml` file.
 
-They also tend to vary according to which tool was used to install Kubernetes. You can use the `--installation` flag to pick up a different default set of file names and locations. Again these defaults are configurable through `cfg/config.yaml` (and pull requests to correct or add default file locations are especially welcome). 
+For each type of node (*master*, *node* or *federated*) there is a list of components, and for each component there is a set of binaries (*bins*) and config files (*confs*) that kube-bench will look for (in the order they are listed). If your installation uses a different binary name or config file location for a Kubernetes component, you can add it to `cfg/config.yaml`.
+
+* **bins** - If there is a *bins* list for a component, at least one of these binaries must be running. The tests will consider the parameters for the first binary in the list found to be running.
+* **podspecs** - From version 1.2.0 of the benchmark (tests for Kubernetes 1.8), the remediation instructions were updated to assume that the configuration for several kubernetes components is defined in a pod YAML file, and podspec settings define where to look for that configuration.
+* **confs** - If one of the listed config files is found, this will be considered for the test. Tests can continue even if no config file is found. If no file is found at any of the listed locations, and a *defaultconf* location is given for the component, the test will give remediation advice using the *defaultconf* location.
+* **unitfiles** - From version 1.2.0 of the benchmark  (tests for Kubernetes 1.8), the remediation instructions were updated to assume that kubelet configuration is defined in a service file, and this setting defines where to look for that configuration.
 
 ## Test config YAML representation
 The tests are represented as YAML documents (installed by default into ./cfg).
@@ -106,5 +147,7 @@ These operations are:
 - `has`: tests if the flag value contains the compared value.
 - `nothave`: tests if the flag value does not contain the compared value.
 
-# Roadmap 
-The tests are up-to-date with the CIS Benchmark 1.1.0, which refers to Kubernetes 1.7. Going forward we should release updates to kube-bench to reflect new releases of the Benchmark, which in turn we can anticipate being made for each new Kubernetes release. 
+# Roadmap
+Going forward we plan to release updates to kube-bench to add support for new releases of the Benchmark, which in turn we can anticipate being made for each new Kubernetes release.
+
+We welcome PRs and issue reports.

cfg/1.11/config.yaml

@@ -0,0 +1,47 @@
+---
+## Controls Files.
+# These are YAML files that hold all the details for running checks.
+#
+## Uncomment to use different control file paths.
+# masterControls: ./cfg/master.yaml
+# nodeControls: ./cfg/node.yaml
+# federatedControls: ./cfg/federated.yaml
+
+master:
+  apiserver:
+    confs:
+      - /etc/kubernetes/manifests/kube-apiserver.yaml
+      - /etc/kubernetes/manifests/kube-apiserver.manifest
+    defaultconf: /etc/kubernetes/manifests/kube-apiserver.yaml
+
+  scheduler:
+    confs:
+      - /etc/kubernetes/manifests/kube-scheduler.yaml
+      - /etc/kubernetes/manifests/kube-scheduler.manifest
+    defaultconf: /etc/kubernetes/manifests/kube-scheduler.yaml
+
+  controllermanager:
+    confs:
+      - /etc/kubernetes/manifests/kube-controller-manager.yaml
+      - /etc/kubernetes/manifests/kube-controller-manager.manifest
+    defaultconf: /etc/kubernetes/manifests/kube-controller-manager.yaml
+
+  etcd:
+    confs:
+      - /etc/kubernetes/manifests/etcd.yaml
+      - /etc/kubernetes/manifests/etcd.manifest
+    defaultconf: /etc/kubernetes/manifests/etcd.yaml
+
+node:
+  kubelet:
+    confs:
+     - /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
+     - /etc/kubernetes/kubelet.conf
+    defaultconf: /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
+
+  proxy:
+    confs:
+      - /etc/kubernetes/addons/kube-proxy-daemonset.yaml
+    defaultconf: /etc/kubernetes/addons/kube-proxy-daemonset.yaml
+
+

cfg/1.11/node.yaml

@@ -0,0 +1,497 @@
+---
+controls:
+version: 1.11
+id: 2
+text: "Worker Node Security Configuration"
+type: "node"
+groups:
+- id: 2.1
+  text: "Kubelet"
+  checks:
+  - id: 2.1.1
+    text: "Ensure that the --allow-privileged argument is set to false (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--allow-privileged"
+        compare:
+          op: eq
+          value: false
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --allow-privileged=false
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.2
+    text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--anonymous-auth"
+        compare:
+          op: eq
+          value: false
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set authentication: anonymous: enabled to
+      false .
+      If using executable arguments, edit the kubelet service file
+      $kubeletconf on each worker node and
+      set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --anonymous-auth=false
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.3
+    text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--authorization-mode"
+        compare:
+          op: nothave
+          value: "AlwaysAllow"
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set authorization: mode to Webhook.
+      If using executable arguments, edit the kubelet service file
+      $kubeletconf on each worker node and
+      set the below parameter in KUBELET_AUTHZ_ARGS variable.
+      --authorization-mode=Webhook
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.4
+    text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--client-ca-file"
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set authentication: x509: clientCAFile to
+      the location of the client CA file.
+      If using command line arguments, edit the kubelet service file
+      $kubeletconf on each worker node and
+      set the below parameter in KUBELET_AUTHZ_ARGS variable.
+      --client-ca-file=<path/to/client-ca-file>
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.5
+    text: "Ensure that the --read-only-port argument is set to 0 (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--read-only-port"
+        compare:
+          op: eq
+          value: 0
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set readOnlyPort to 0 .
+      If using command line arguments, edit the kubelet service file
+      $kubeletconf on each worker node and
+      set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --read-only-port=0
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.6
+    text: "Ensure that the --streaming-connection-idle-timeout argument is not set to 0 (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--streaming-connection-idle-timeout"
+        compare:
+          op: noteq
+          value: 0
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set streamingConnectionIdleTimeout to a
+      value other than 0.
+      If using command line arguments, edit the kubelet service file
+      $kubeletconf on each worker node and
+      set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --streaming-connection-idle-timeout=5m
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.7
+    text: "Ensure that the --protect-kernel-defaults argument is set to true (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--protect-kernel-defaults"
+        compare:
+          op: eq
+          value: true
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set protectKernelDefaults: true .
+      If using command line arguments, edit the kubelet service file
+      $kubeletconf on each worker node and
+      set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --protect-kernel-defaults=true
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.8
+    text: "Ensure that the --make-iptables-util-chains argument is set to true (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      bin_op: or
+      test_items:
+      - flag: "--make-iptables-util-chains"
+        compare:
+          op: eq
+          value: true
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set makeIPTablesUtilChains: true .
+      If using command line arguments, edit the kubelet service file
+      $kubeletconf on each worker node and
+      remove the --make-iptables-util-chains argument from the
+      KUBELET_SYSTEM_PODS_ARGS variable.
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.9
+    text: "Ensure that the --hostname-override argument is not set (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--hostname-override"
+        set: false
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and remove the --hostname-override argument from the
+      KUBELET_SYSTEM_PODS_ARGS variable.
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.10
+    text: "Ensure that the --event-qps argument is set to 0 (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--event-qps"
+        compare:
+          op: eq
+          value: 0
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set eventRecordQPS: 0 .
+      If using command line arguments, edit the kubelet service file
+      $kubeletconf on each worker node and
+      set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --event-qps=0
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.11
+    text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      bin_op: and
+      test_items:
+      - flag: "--tls-cert-file"
+        set: true
+      - flag: "--tls-private-key-file"
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set tlsCertFile to the location of the certificate
+      file to use to identify this Kubelet, and tlsPrivateKeyFile to the location of the
+      corresponding private key file.
+      If using command line arguments, edit the kubelet service file
+      $kubeletconf on each worker node and
+      set the below parameters in KUBELET_CERTIFICATE_ARGS variable.
+      --tls-cert-file=<path/to/tls-certificate-file>
+      file=<path/to/tls-key-file>
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.12
+    text: "Ensure that the --cadvisor-port argument is set to 0 (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      bin_op: or
+      test_items:
+      - flag: "--cadvisor-port"
+        compare:
+          op: eq
+          value: 0
+        set: true
+      - flag: "--cadvisor-port"
+        set: false
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_CADVISOR_ARGS variable.
+      --cadvisor-port=0
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.13
+    text: "Ensure that the --rotate-certificates argument is not set to false (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--rotate-certificates"
+        compare:
+          op: eq
+          value: true
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to add the line rotateCertificates: true.
+      If using command line arguments, edit the kubelet service file $kubeletconf 
+      on each worker node and add --rotate-certificates=true argument to the KUBELET_CERTIFICATE_ARGS variable.
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.14
+    text: "Ensure that the RotateKubeletServerCertificate argument is set to true (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "RotateKubeletServerCertificate"
+        compare:
+          op: eq
+          value: true
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_CERTIFICATE_ARGS variable.
+      --feature-gates=RotateKubeletServerCertificate=true
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.15
+    text: "Ensure that the Kubelet only makes use of Strong Cryptographic Ciphers (Not Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--tls-cipher-suites"
+        compare:
+          op: eq
+          value: "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256"
+        set: true
+    remediation: |
+      If using a Kubelet config file, edit the file to set TLSCipherSuites: to TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 ,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
+      If using executable arguments, edit the kubelet service file $kubeletconf on each worker node and set the below parameter.
+      --tls-cipher- suites=TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM _SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM _SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM _SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
+    scored: false
+
+- id: 2.2
+  text: "Configuration Files"
+  checks:
+    - id: 2.2.1
+      text: "Ensure that the kubelet.conf file permissions are set to 644 or
+      more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "644"
+            compare:
+              op: eq
+              value: "644"
+            set: true
+          - flag: "640"
+            compare:
+              op: eq
+              value: "640"
+            set: true
+          - flag: "600"
+            compare:
+              op: eq
+              value: "600"
+            set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chmod 644 $kubeletconf
+      scored: true
+
+    - id: 2.2.2
+      text: "Ensure that the kubelet.conf file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi'"
+      tests:
+        test_items:
+          - flag: "root:root"
+            compare:
+              op: eq
+              value: root:root
+            set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chown root:root $kubeletconf
+      scored: true
+
+    - id: 2.2.3
+      text: "Ensure that the kubelet service file permissions are set to 644 or
+      more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+        - flag: "644"
+          compare:
+            op: eq
+            value: 644
+          set: true
+        - flag: "640"
+          compare:
+            op: eq
+            value: "640"
+          set: true
+        - flag: "600"
+          compare:
+            op: eq
+            value: "600"
+          set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chmod 755 $kubeletconf
+      scored: true
+
+    - id: 2.2.4
+      text: "Ensure that the kubelet service file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi'"
+      tests:
+        test_items:
+        - flag: "root:root"
+          set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chown root:root $kubeletconf
+      scored: true
+
+    - id: 2.2.5
+      text: "Ensure that the proxy kubeconfig file permissions are set to 644 or more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %a $proxyconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+        - flag: "644"
+          compare:
+            op: eq
+            value: "644"
+          set: true
+        - flag: "640"
+          compare:
+            op: eq
+            value: "640"
+          set: true
+        - flag: "600"
+          compare:
+            op: eq
+            value: "600"
+          set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chmod 644 $proxyconf
+      scored: true
+
+    - id: 2.2.6
+      text: "Ensure that the proxy kubeconfig file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %U:%G $proxyconf; fi'"
+      tests:
+        test_items:
+        - flag: "root:root"
+          set: true
+      remediation: |
+          Run the below command (based on the file location on your system) on the each worker
+          node. For example,
+          chown root:root $proxyconf
+      scored: true
+
+    - id: 2.2.7
+      text: "Ensure that the certificate authorities file permissions are set to
+      644 or more restrictive (Scored)"
+      type: manual
+      remediation: |
+        Run the following command to modify the file permissions of the --client-ca-file
+        chmod 644 <filename>
+      scored: true
+
+    - id: 2.2.8
+      text: "Ensure that the client certificate authorities file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $ca-file; then stat -c %U:%G $ca-file; fi'"
+      type: manual
+      remediation: |
+        Run the following command to modify the ownership of the --client-ca-file .
+        chown root:root <filename>
+      scored: true
+
+    - id: 2.2.9
+      text: "Ensure that the kubelet configuration file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $/var/lib/kubelet/config.yaml; then stat -c %U:%G $/var/lib/kubelet/config.yaml; fi'"
+      tests:
+        test_items:
+        - flag: "root:root"
+          set: true
+      remediation: |
+        Run the following command (using the config file location identied in the Audit step)
+        chown root:root /etc/kubernetes/kubelet.conf
+      scored: true
+
+    - id: 2.2.10
+      text: "Ensure that the kubelet configuration file has permissions set to 644 or more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $/var/lib/kubelet/config.yaml; then stat -c %a $/var/lib/kubelet/config.yaml; fi'"
+      tests:
+        bin_op: or
+        test_items:
+        - flag: "644"
+          compare:
+            op: eq
+            value: "644"
+          set: true
+        - flag: "640"
+          compare:
+            op: eq
+            value: "640"
+          set: true
+        - flag: "600"
+          compare:
+            op: eq
+            value: "600"
+          set: true
+      remediation: |
+        Run the following command (using the config file location identied in the Audit step)
+        chmod 644 /var/lib/kubelet/config.yaml
+      scored: true

cfg/1.6/federated.yaml

@@ -1,5 +1,6 @@
 ---
 controls:
+version: 1.6
 id: 3
 text: "Federated Deployments"
 type: "federated"

cfg/1.6/master.yaml

@@ -0,0 +1,966 @@
+---
+controls:
+version: 1.6
+id: 1
+text: "Master Node Security Configuration"
+type: "master"
+groups:
+- id: 1.1
+  text: "API Server"
+  checks:
+    - id: 1.1.1
+      text: "Ensure that the --allow-privileged argument is set to false (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "allow-privileged"
+          compare:
+            op: eq
+            value: false
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set 
+              the KUBE_ALLOW_PRIV parameter to \"--allow-privileged=false\""
+      scored: true
+
+    - id: 1.1.2
+      text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--anonymous-auth"
+          compare:
+            op: eq
+            value: false
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set 
+              the KUBE_API_ARGS parameter to \"--anonymous-auth=false\""
+      scored: true
+
+    - id: 1.1.3
+      text: "Ensure that the --basic-auth-file argument is not set (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--basic-auth-file"
+          set: false
+      remediation: "Follow the documentation and configure alternate mechanisms for 
+              authentication. Then, edit the $apiserverconf file on the master 
+              node and remove the \"--basic-auth-file=<filename>\" argument from the 
+              KUBE_API_ARGS parameter."
+      scored: true
+
+    - id: 1.1.4
+      text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag:  "--insecure-allow-any-token"
+          set: false
+      remediation: "Edit the $apiserverconf file on the master node and remove 
+              the --insecure-allow-any-token argument from the KUBE_API_ARGS parameter."
+      scored: true
+
+    - id: 1.1.5
+      text: "Ensure that the --kubelet-https argument is set to true (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests: 
+        bin_op: or
+        test_items:
+        - flag: "--kubelet-https"
+          compare:
+            op: eq
+            value: true
+          set: true
+        - flag: "--kubelet-https"
+          set: false
+      remediation: "Edit the $apiserverconf file on the master node and remove 
+              the --kubelet-https argument from the KUBE_API_ARGS parameter."
+      scored: true
+
+    - id: 1.1.6
+      text: "Ensure that the --insecure-bind-address argument is not set (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--insecure-bind-address"
+          set: false
+      remediation: "Edit the $apiserverconf file on the master node and remove 
+              the --insecure-bind-address argument from the KUBE_API_ADDRESS parameter."
+      scored: true
+
+    - id: 1.1.7
+      text: "Ensure that the --insecure-port argument is set to 0 (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--insecure-port"
+          compare:
+            op: eq
+            value: 0
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set
+              --insecure-port=0 in the KUBE_API_PORT parameter."
+      scored: true
+
+    - id: 1.1.8
+      text: "Ensure that the --secure-port argument is not set to 0 (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests: 
+        bin_op: or
+        test_items:
+          - flag:  "--secure-port"
+            compare:
+              op: gt
+              value: 0
+            set: true
+          - flag: "--secure-port"
+            set: false
+      remediation: "Edit the $apiserverconf file on the master node and either 
+              remove the --secure-port argument from the KUBE_API_ARGS parameter or set 
+              it to a different desired port."
+      scored: true
+
+    - id: 1.1.9
+      text: "Ensure that the --profiling argument is set to false (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--profiling"
+          compare:
+            op: eq
+            value: false
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to \"--profiling=false\""
+      scored: true
+
+    - id: 1.1.10
+      text: "Ensure that the --repair-malformed-updates argument is set to false (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--repair-malformed-updates"
+          compare:
+            op: eq
+            value: false
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to \"--repair-malformed-updates=false\""
+      scored: true
+
+    - id: 1.1.11
+      text: "Ensure that the admission control policy is not set to AlwaysAdmit (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--admission-control"
+          compare:
+            op: nothave
+            value: AlwaysAdmit 
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_ADMISSION_CONTROL parameter to a value that does not include AlwaysAdmit"
+      scored: true
+ 
+    - id: 1.1.12
+      text: "Ensure that the admission control policy is set to AlwaysPullImages (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--admission-control"
+          compare:
+            op: has
+            value: "AlwaysPullImages"
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,AlwaysPullImages,...\""
+      scored: true
+ 
+    - id: 1.1.13
+      text: "Ensure that the admission control policy is set to DenyEscalatingExec (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--admission-control"
+          compare:
+            op: has
+            value: "DenyEscalatingExec"
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,DenyEscalatingExec,...\""
+      scored: true
+
+    - id: 1.1.14
+      text: "Ensure that the admission control policy is set to SecurityContextDeny (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--admission-control"
+          compare:
+            op: has
+            value: "SecurityContextDeny"
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,SecurityContextDeny,...\""
+      scored: true
+
+    - id: 1.1.15
+      text: "Ensure that the admission control policy is set to NamespaceLifecycle (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "admission-control"
+          compare:
+            op: has
+            value: "NamespaceLifecycle"
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_ADMISSION_CONTROL parameter to \"--admission-control=NamespaceLifecycle,...\""
+      scored: true
+
+    - id: 1.1.16
+      text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--audit-log-path"
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to \"--audit-log-path=<filename>\""
+      scored: true
+
+    - id: 1.1.17
+      text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--audit-log-maxage"
+          compare:
+            op: gte
+            value: 30
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to \"--audit-log-maxage=30\""
+      scored: true
+
+    - id: 1.1.18
+      text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--audit-log-maxbackup"
+          compare:
+            op: gte
+            value: 10
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to \"--audit-log-maxbackup=10\""
+      scored: true
+
+    - id: 1.1.19
+      text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--audit-log-maxsize"
+          compare:
+            op: gte
+            value: 100
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to \"--audit-log-maxsize=100\""
+      scored: true
+
+    - id: 1.1.20
+      text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--authorization-mode"
+          compare:
+            op: nothave
+            value: "AlwaysAllow"
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to values other than \"--authorization-mode=AlwaysAllow\""
+      scored: true
+
+    - id: 1.1.21
+      text: "Ensure that the --token-auth-file parameter is not set (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--token-auth-file"
+          set: false
+      remediation: "Follow the documentation and configure alternate mechanisms for authentication. 
+              Then, edit the $apiserverconf file on the master node and remove the 
+              \"--tokenauth-file=<filename>\" argument from the KUBE_API_ARGS parameter."
+      scored: true
+ 
+    - id: 1.1.22
+      text: "Ensure that the --kubelet-certificate-authority argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--kubelet-certificate-authority"
+          set: true
+      remediation: "Follow the Kubernetes documentation and setup the TLS connection between 
+              the apiserver and kubelets. Then, edit the $apiserverconf file on the 
+              master node and set the KUBE_API_ARGS parameter to 
+              \"--kubelet-certificate-authority=<ca-string>\""
+      scored: true
+
+    - id: 1.1.23
+      text: "Ensure that the --kubelet-client-certificate and --kubelet-client-key arguments are set as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        bin_op: and
+        test_items:
+        - flag: "--kubelet-client-certificate"
+          set: true
+        - flag: "--kubelet-client-key"
+          set: true
+      remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver 
+              and kubelets. Then, edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to \"--kubelet-clientcertificate=<path/to/client-certificate-file>\" 
+              and \"--kubelet-clientkey=<path/to/client-key-file>\""
+      scored: true
+
+    - id: 1.1.24
+      text: "Ensure that the --service-account-lookup argument is set to true (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--service-account-lookup"
+          compare:
+            op: eq
+            value: true
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the KUBE_API_ARGS parameter 
+              to \"--service-account-lookup=true\""
+      scored: true
+ 
+    - id: 1.1.25
+      text: "Ensure that the admission control policy is set to PodSecurityPolicy (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--admission-control"
+          compare:
+            op: has
+            value: "PodSecurityPolicy"
+          set: true
+      remediation: "Follow the documentation and create Pod Security Policy objects as per your environment. 
+              Then, edit the $apiserverconf file on the master node and set the KUBE_ADMISSION_CONTROL 
+              parameter to \"--admission-control=...,PodSecurityPolicy,...\""
+      scored: true
+
+    - id: 1.1.26
+      text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--service-account-key-file"
+          set: true
+      remediation: "Edit the $apiserverconf file on the master node and set the KUBE_API_ARGS 
+              parameter to \"--service-account-key-file=<filename>\""
+      scored: true
+
+    - id: 1.1.27
+      text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as appropriate (Scored"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        bin_op: and
+        test_items:
+        - flag: "--etcd-certfile"
+          set: true
+        - flag: "--etcd-keyfile"
+          set: true
+      remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver 
+              and etcd. Then, edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to include \"--etcd-certfile=<path/to/clientcertificate-file>\" 
+              and \"--etcd-keyfile=<path/to/client-key-file>\""
+      scored: true
+ 
+    - id: 1.1.28
+      text: "Ensure that the admission control policy is set to ServiceAccount (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--admission-control"
+          compare:
+            op: has
+            value: "ServiceAccount"
+          set: true
+      remediation: "Follow the documentation and create ServiceAccount objects as per your environment. 
+              Then, edit the $apiserverconf file on the master node and set the 
+              KUBE_ADMISSION_CONTROL parameter to \"--admissioncontrol=...,ServiceAccount,...\""
+      scored: true
+
+    - id: 1.1.29
+      text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        bin_op: and
+        test_items:
+        - flag: "--tls-cert-file"
+          set: true
+        - flag: "--tls-private-key-file"
+          set: true
+      remediation: "Follow the Kubernetes documentation and set up the TLS connection on the apiserver. 
+              Then, edit the $apiserverconf file on the master node and set the KUBE_API_ARGS parameter to 
+              include \"--tls-cert-file=<path/to/tls-certificatefile>\" and 
+              \"--tls-private-key-file=<path/to/tls-key-file>\""
+      scored: true
+
+    - id: 1.1.30
+      text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--client-ca-file"
+          set: true
+      remediation: "Follow the Kubernetes documentation and set up the TLS connection on the apiserver. 
+              Then, edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to include \"--client-ca-file=<path/to/client-ca-file>\""
+      scored: true
+
+    - id: 1.1.31
+      text: "Ensure that the --etcd-cafile argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $apiserverbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--etcd-cafile"
+          set: true
+      remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver 
+              and etcd. Then, edit the $apiserverconf file on the master node and set the 
+              KUBE_API_ARGS parameter to include \"--etcd-cafile=<path/to/ca-file>\""
+      scored: true
+
+- id: 1.2
+  text: "Scheduler"
+  checks:
+    - id: 1.2.1
+      text: "Ensure that the --profiling argument is set to false (Scored)"
+      audit: "ps -ef | grep $schedulerbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--profiling"
+          compare:
+            op: eq
+            value: false
+          set: true
+      remediation: "Edit the $schedulerconf file on the master node and set the KUBE_SCHEDULER_ARGS 
+              parameter to \"--profiling=false\""
+      scored: true
+
+- id: 1.3
+  text: "Controller Manager"
+  checks:
+    - id: 1.3.1
+      text: "Ensure that the --terminated-pod-gc-threshold argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--terminated-pod-gc-threshold"
+            set: true
+      remediation: "Edit the $controllermanagerconf file on the master node and set the 
+              KUBE_CONTROLLER_MANAGER_ARGS parameter to \"--terminated-pod-gcthreshold=<appropriate-number>\""
+      scored: true
+ 
+    - id: 1.3.2
+      text: "Ensure that the --profiling argument is set to false (Scored)"
+      audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--profiling"
+          compare:
+            op: eq
+            value: false
+          set: true
+      remediation: "Edit the $controllermanagerconf file on the master node and set the 
+              KUBE_CONTROLLER_MANAGER_ARGS parameter to \"--profiling=false\""
+      scored: true
+
+    - id: 1.3.3
+      text: "Ensure that the --insecure-experimental-approve-all-kubelet-csrs-for-group argument is not set (Scored)"
+      audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--insecure-experimental-approve-all-kubelet-csrs-for-group"
+          set: false
+      remediation: "Edit the /etc/kubernetes/controller-manager file on the master node and remove the 
+              --insecure-experimental-approve-all-kubelet-csrs-for-group argument from the
+              KUBE_CONTROLLER_MANAGER_ARGS parameter."
+      scored: true
+ 
+    - id: 1.3.4
+      text: "Ensure that the --use-service-account-credentials argument is set"
+      audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--use-service-account-credentials"
+          compare:
+            op: eq
+            value: true
+          set: true
+      remediation: "Edit the $controllermanagerconf file on the master node and set the 
+              KUBE_CONTROLLER_MANAGER_ARGS parameter to --use-service-account-credentials=true"
+      scored: true
+
+    - id: 1.3.5
+      text: "Ensure that the --service-account-private-key-file argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--service-account-private-key-file"
+          set: true
+      remediation: "Edit the $controllermanagerconf file on the master node and set the 
+              KUBE_CONTROLLER_MANAGER_ARGS parameter to --service-account-private-keyfile=<filename>"
+      scored: true
+
+    - id: 1.3.6
+      text: "Ensure that the --root-ca-file argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
+      tests:
+        test_items:
+        - flag: "--root-ca-file"
+          set: true
+      remediation: "Edit the $controllermanagerconf file on the master node and set the 
+              KUBE_CONTROLLER_MANAGER_ARGS parameter to include --root-ca-file=<file>"
+      scored: true
+ 
+- id: 1.4
+  text: "Configure Files"
+  checks:
+    - id: 1.4.1
+      text: "Ensure that the apiserver file permissions are set to 644 or more restrictive (Scored)"
+      # audit: "/bin/bash -c 'if test -e $apiserverconf; then stat -c %a $apiserverconf; fi'"
+      audit: "/bin/sh -c 'if test -e $apiserverconf; then stat -c %a $apiserverconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+        - flag: "644"
+          compare:
+            op: eq
+            value: "644"
+          set: true
+        - flag: "640"
+          compare:
+            op: eq
+            value: "640"
+          set: true
+        - flag: "600"
+          compare:
+            op: eq
+            value: "600"
+          set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chmod 644 $apiserverconf"
+      scored: true
+
+    - id: 1.4.2
+      text: "Ensure that the apiserver file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $apiserverconf; then stat -c %U:%G $apiserverconf; fi'"
+      tests:
+        test_items:
+        - flag: "root:root"
+          compare:
+            op: eq
+            value: "root:root"
+          set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chown root:root $apiserverconf"
+      scored: true
+
+    - id: 1.4.3
+      text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $config; then stat -c %a $config; fi'"
+      tests:
+        bin_op: or
+        test_items:
+        - flag: "644"
+          compare:
+            op: eq
+            value: "644"
+          set: true
+        - flag: "640"
+          compare:
+            op: eq
+            value: "640"
+          set: true
+        - flag: "600"
+          compare:
+            op: eq
+            value: "600"
+          set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chmod 644 $config"
+      scored: true
+
+    - id: 1.4.4
+      text: "Ensure that the config file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $config; then stat -c %U:%G $config; fi'"
+      tests:
+        test_items:
+        - flag: "root:root"
+          compare:
+            op: eq
+            value: "root:root"
+          set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chown root:root $config"
+      scored: true
+
+    - id: 1.4.5
+      text: "Ensure that the scheduler file permissions are set to 644 or more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $schedulerconf; then stat -c %a $schedulerconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "644"
+            compare:
+              op: eq
+              value: "644"
+            set: true
+          - flag: "640"
+            compare:
+              op: eq
+              value: "640"
+            set: true
+          - flag: "600"
+            compare:
+              op: eq
+              value: "600"
+            set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chmod 644 $schedulerconf"
+      scored: true
+
+    - id: 1.4.6
+      text: "Ensure that the scheduler file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $schedulerconf; then stat -c %U:%G $schedulerconf; fi'"
+      tests:
+        test_items:
+          - flag: "root:root"
+            compare:
+              op: eq
+              value: "root:root"
+            set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chown root:root $schedulerconf"
+      scored: true
+
+    - id: 1.4.7
+      text: "Ensure that the etcd.conf file permissions are set to 644 or more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $etcdconf; then stat -c %a $etcdconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "644"
+            compare:
+              op: eq
+              value: "644"
+            set: true
+          - flag: "640"
+            compare:
+              op: eq
+              value: "640"
+            set: true
+          - flag: "600"
+            compare:
+              op: eq
+              value: "600"
+            set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chmod 644 $etcdconf"
+      scored: true
+
+    - id: 1.4.8
+      text: "Ensure that the etcd.conf file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $etcdconf; then stat -c %U:%G $etcdconf; fi'"
+      tests:
+        test_items:
+        - flag: "root:root"
+          compare:
+            op: eq
+            value: "root:root"
+          set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chown root:root $etcdconf"
+      scored: true
+
+    - id: 1.4.9
+      text: "Ensure that the flanneld file permissions are set to 644 or more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $flanneldconf; then stat -c %a $flanneldconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+        - flag: "644"
+          compare:
+            op: eq
+            value: "644"
+          set: true
+        - flag: "640"
+          compare:
+            op: eq
+            value: "640"
+          set: true
+        - flag: "600"
+          compare:
+            op: eq
+            value: "600"
+          set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chmod 644 $flanneldconf"
+      scored: true
+
+    - id: 1.4.10
+      text: "Ensure that the flanneld file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $flanneldconf; then stat -c %U:%G $flanneldconf; fi'"
+      tests:
+        test_items:
+        - flag: "root:root"
+          compare:
+            op: eq
+            value: "root:root"
+          set: true
+      remediation: "Run the below command (based on the file location on your system) on the master node. 
+              \nFor example, chown root:root $flanneldconf"
+      scored: true
+      
+    - id: 1.4.11
+      text: "Ensure that the etcd data directory permissions are set to 700 or more restrictive (Scored)"
+      audit: ps -ef | grep $etcdbin | grep -v grep | sed 's%.*data-dir[= ]\(\S*\)%\1%' | xargs stat -c %a
+      tests:
+        test_items:
+        - flag: "700"
+          compare:
+            op: eq
+            value: "700"
+          set: true
+      remediation: "On the etcd server node, get the etcd data directory, passed as an argument --data-dir ,
+              from the below command:\n
+              ps -ef | grep $etcdbin\n
+              Run the below command (based on the etcd data directory found above). For example,\n
+              chmod 700 /var/lib/etcd/default.etcd"
+      scored: true
+
+    - id: 1.4.12
+      text: "Ensure that the etcd data directory ownership is set to etcd:etcd (Scored)"
+      audit: ps -ef | grep $etcdbin | grep -v grep | sed 's%.*data-dir[= ]\(\S*\)%\1%' | xargs stat -c %U:%G
+      tests:
+        test_items:
+        - flag: "etcd:etcd"
+          set: true
+      remediation: "On the etcd server node, get the etcd data directory, passed as an argument --data-dir ,
+              from the below command:\n
+                      ps -ef | grep etcd\n
+              Run the below command (based on the etcd data directory found above). For example,\n
+                      chown etcd:etcd /var/lib/etcd/default.etcd"
+      scored: true
+
+- id: 1.5
+  text: "etcd"
+  checks:
+    - id: 1.5.1
+      text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Scored)"
+      audit: "ps -ef | grep $etcdbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--cert-file"
+            set: true
+          - flag:  "--key-file"
+            set: true
+      remediation: "Follow the etcd service documentation and configure TLS encryption."
+      scored: true
+
+    - id: 1.5.2
+      text: "Ensure that the --client-cert-auth argument is set to true (Scored)"
+      audit: "ps -ef | grep $etcdbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--client-cert-auth"
+            compare:
+              op: eq
+              value: true
+            set: true
+      remediation: "Edit the etcd envrironment file (for example, $etcdconf) on the 
+              etcd server node and set the ETCD_CLIENT_CERT_AUTH parameter to \"true\". 
+              Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service) 
+              and configure the startup parameter for --clientcert-auth and set it to \"${ETCD_CLIENT_CERT_AUTH}\""
+      scored: true
+
+    - id: 1.5.3
+      text: "Ensure that the --auto-tls argument is not set to true (Scored)"
+      audit: "ps -ef | grep $etcdbin | grep -v grep"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "--auto-tls"
+            set: false
+          - flag: "--auto-tls"
+            compare:
+              op: neq
+              value: true
+      remediation: "Edit the etcd environment file (for example, $etcdconf) on the etcd server 
+              node and comment out the ETCD_AUTO_TLS parameter. Edit the etcd startup file (for example, 
+              /etc/systemd/system/multiuser.target.wants/etcd.service) and remove the startup parameter 
+              for --auto-tls."
+      scored: true
+
+    - id: 1.5.4
+      text: "Ensure that the --peer-cert-file and --peer-key-file arguments are set as appropriate (Scored)"
+      audit: "ps -ef | grep $etcdbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--peer-cert-file"
+            set: true
+          - flag: "--peer-key-file"
+            set: true
+      remediation: "Note: This recommendation is applicable only for etcd clusters. If you are using only 
+              one etcd server in your environment then this recommendation is not applicable. 
+              Follow the etcd service documentation and configure peer TLS encryption as appropriate for 
+              your etcd cluster."
+      scored: true
+
+    - id: 1.5.5
+      text: "Ensure that the --peer-client-cert-auth argument is set to true (Scored)"
+      audit: "ps -ef | grep $etcdbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--peer-client-cert-auth"
+            compare:
+              op: eq
+              value: true
+            set: true
+      remediation: "Note: This recommendation is applicable only for etcd clusters. If you are using only 
+              one etcd server in your environment then this recommendation is not applicable.
+              Edit the etcd environment file (for example, $etcdconf) on the etcd server node 
+              and set the ETCD_PEER_CLIENT_CERT_AUTH parameter to \"true\". Edit the etcd startup file 
+              (for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the 
+              startup parameter for --peer-client-cert-auth and set it to \"${ETCD_PEER_CLIENT_CERT_AUTH}\""
+      scored: true
+
+    - id: 1.5.6
+      text: "Ensure that the --peer-auto-tls argument is not set to true (Scored)"
+      audit: "ps -ef | grep $etcdbin | grep -v grep"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "--peer-auto-tls"
+            set: false
+          - flag: "--peer-auto-tls"
+            compare:
+              op: eq
+              value: false
+            set: true
+      remediation: "Note: This recommendation is applicable only for etcd clusters. 
+              If you are using only one etcd server in your environment then this recommendation is 
+              not applicable. Edit the etcd environment file (for example, $etcdconf) 
+              on the etcd server node and comment out the ETCD_PEER_AUTO_TLS parameter. 
+              Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service) 
+              and remove the startup parameter for --peer-auto-tls."
+      scored: true
+
+    - id: 1.5.7
+      text: "Ensure that the --wal-dir argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $etcdbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--wal-dir"
+            set: true
+      remediation: "Edit the etcd environment file (for example, $etcdconf) on the etcd server node 
+              and set the ETCD_WAL_DIR parameter as appropriate. Edit the etcd startup file (for example, 
+              /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter for 
+              --wal-dir and set it to \"${ETCD_WAL_DIR}\""
+      scored: true
+
+    - id: 1.5.8
+      text: "Ensure that the --max-wals argument is set to 0 (Scored)"
+      audit: "ps -ef | grep $etcdbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--max-wals"
+            compare:
+              op: eq
+              value: 0
+            set: true
+      remediation: "Edit the etcd environment file (for example, $etcdconf) on the etcd server node 
+              and set the ETCD_MAX_WALS parameter to 0. Edit the etcd startup file (for example, 
+              /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter 
+              for --max-wals and set it to \"${ETCD_MAX_WALS}\"."
+      scored: true
+
+    - id: 1.5.9
+      text: "Ensure that a unique Certificate Authority is used for etcd (Not Scored)"
+      audit: "ps -ef | grep $etcdbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--trusted-ca-file"
+            set: true
+      remediation: "Follow the etcd documentation and create a dedicated certificate authority setup for the 
+              etcd service."
+      scored: false 
+
+- id: 1.6
+  text: "General Security Primitives"
+  checks:
+    - id: 1.6.1
+      text: "Ensure that the cluster-admin role is only used where required (Not Scored)"
+      type: "manual"
+      remediation: "Remove any unneeded clusterrolebindings: kubectl delete clusterrolebinding [name]"
+      scored: false
+
+    - id: 1.6.2
+      text: "Create Pod Security Policies for your cluster (Not Scored)"
+      type: "manual"
+      remediation: "Follow the documentation and create and enforce Pod Security Policies for your cluster.
+              Additionally, you could refer the \"CIS Security Benchmark for Docker\" and follow the
+              suggested Pod Security Policies for your environment."
+      scored: false
+
+    - id: 1.6.3
+      text: "Create administrative boundaries between resources using namespaces (Not Scored)"
+      type: "manual"
+      remediation: "Follow the documentation and create namespaces for objects in your deployment as you
+              need them."
+      scored: false
+
+    - id: 1.6.4
+      text: "Create network segmentation using Network Policies (Not Scored)"
+      type: "manual"
+      remediation: "Follow the documentation and create NetworkPolicy objects as you need them."
+      scored: false
+
+    - id: 1.6.5
+      text: "Avoid using Kubernetes Secrets (Not Scored)"
+      type: "manual"
+      remediation: "Use other mechanisms such as vaults to manage your cluster secrets."
+      scored: false
+
+
+    - id: 1.6.6
+      text: "Ensure that the seccomp profile is set to docker/default in your pod definitions (Not Scored)"
+      type: "manual"
+      remediation: "Seccomp is an alpha feature currently. By default, all alpha features are disabled. So, you
+              would need to enable alpha features in the apiserver by passing \"--feature-
+              gates=AllAlpha=true\" argument.\n
+              Edit the $apiserverconf file on the master node and set the KUBE_API_ARGS
+              parameter to \"--feature-gates=AllAlpha=true\"
+              KUBE_API_ARGS=\"--feature-gates=AllAlpha=true\""
+      scored: false
+
+    - id: 1.6.7
+      text: "Apply Security Context to Your Pods and Containers (Not Scored)"
+      type: "manual"
+      remediation: "Follow the Kubernetes documentation and apply security contexts to your pods. For a
+              suggested list of security contexts, you may refer to the CIS Security Benchmark for Docker
+              Containers."
+      scored: false
+
+    - id: 1.6.8
+      text: "Configure Image Provenance using ImagePolicyWebhook admission controller (Not Scored)"
+      type: "manual"
+      remediation: "Follow the Kubernetes documentation and setup image provenance."
+      scored: false

cfg/1.6/node.yaml

@@ -0,0 +1,304 @@
+---
+controls:
+version: 1.6
+id: 2
+text: "Worker Node Security Configuration"
+type: "node"
+groups:
+- id: 2.1
+  text: "Kubelet"
+  checks:
+    - id: 2.1.1
+      text: "Ensure that the --allow-privileged argument is set to false (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--allow-privileged"
+            compare:
+              op: eq
+              value: false
+            set: true
+      remediation: "Edit the $config file on each node and set the KUBE_ALLOW_PRIV 
+              parameter to \"--allow-privileged=false\""
+      scored: true
+
+    - id: 2.1.2
+      text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--anonymous-auth"
+            compare:
+              op: eq
+              value: false
+            set: true
+      remediation: "Edit the $kubeletconf file on the master node and set the 
+              KUBELET_ARGS parameter to \"--anonymous-auth=false\""
+      scored: true
+ 
+    - id: 2.1.3
+      text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--authorization-mode"
+            compare:
+              op: nothave
+              value: "AlwaysAllow"
+            set: true
+      remediation: "Edit the $kubeletconf file on each node and set the 
+              KUBELET_ARGS parameter to \"--authorization-mode=Webhook\""
+      scored: true
+   
+    - id: 2.1.4
+      text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--client-ca-file"
+            set: true 
+      remediation: "Follow the Kubernetes documentation and setup the TLS connection between 
+              the apiserver and kubelets. Then, edit the $kubeletconf file on each node 
+              and set the KUBELET_ARGS parameter to \"--client-ca-file=<path/to/client-ca-file>\""
+      scored: true
+
+    - id: 2.1.5
+      text: "Ensure that the --read-only-port argument is set to 0 (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--read-only-port"
+            compare:
+              op: eq
+              value: 0
+            set: true 
+      remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS 
+              parameter to \"--read-only-port=0\""
+      scored: true
+ 
+    - id: 2.1.6
+      text: "Ensure that the --streaming-connection-idle-timeout argument is not set to 0 (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--streaming-connection-idle-timeout"
+            compare:
+              op: gt
+              value: 0
+            set: true
+      remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS 
+              parameter to \"--streaming-connection-idle-timeout=<appropriate-timeout-value>\""
+      scored: true
+
+    - id: 2.1.7
+      text: "Ensure that the --protect-kernel-defaults argument is set to true (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--protect-kernel-defaults"
+            compare:
+              op: eq
+              value: true
+            set: true
+      remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS 
+              parameter to \"--protect-kernel-defaults=true\""
+      scored: true
+
+    - id: 2.1.8
+      text: "Ensure that the --make-iptables-util-chains argument is set to true (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "--make-iptables-util-chains"
+            compare:
+              op: eq
+              value: true
+            set: true
+          - flag: "--make-iptables-util-chains"
+            set: false
+      remediation: "Edit the $kubeletconf file on each node and remove the 
+              --make-iptables-util-chains argument from the KUBELET_ARGS parameter."
+      scored: true
+
+    - id: 2.1.9
+      text: "Ensure that the --keep-terminated-pod-volumes argument is set to false (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--keep-terminated-pod-volumes"
+            compare:
+              op: eq
+              value: false
+            set: true
+      remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS 
+              parameter to \"--keep-terminated-pod-volumes=false\""
+      scored: true
+
+    - id: 2.1.10
+      text: "Ensure that the --hostname-override argument is not set (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--hostname-override"
+            set: false
+      remediation: "Edit the $kubeletconf file on each node and set the KUBELET_HOSTNAME 
+              parameter to \"\""
+      scored: true
+
+    - id: 2.1.11
+      text: "Ensure that the --event-qps argument is set to 0 (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--event-qps"
+            compare:
+              op: eq
+              value: 0
+            set: true
+      remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS 
+              parameter to \"--event-qps=0\""
+      scored: true
+
+    - id: 2.1.12
+      text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--tls-cert-file"
+            set: true
+          - flag: "--tls-private-key-file"
+            set: true
+      remediation: "Follow the Kubernetes documentation and set up the TLS connection on the Kubelet. 
+              Then, edit the $kubeletconf file on the master node and set the KUBELET_ARGS 
+              parameter to include \"--tls-cert-file=<path/to/tls-certificate-file>\" and 
+              \"--tls-private-key-file=<path/to/tls-key-file>\""
+      scored: true
+
+    - id: 2.1.13
+      text: "Ensure that the --cadvisor-port argument is set to 0 (Scored)"
+      audit: "ps -ef | grep $kubeletbin | grep -v grep"
+      tests:
+        test_items:
+          - flag: "--cadvisor-port"
+            compare:
+              op: eq
+              value: 0
+            set: true
+      remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS parameter 
+              to \"--cadvisor-port=0\""
+      scored: true
+
+- id: 2.2
+  text: "Configuration Files"
+  checks:
+    - id: 2.2.1
+      text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $config; then stat -c %a $config; fi'"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "644"
+            compare:
+              op: eq
+              value: "644"
+            set: true
+          - flag: "640"
+            compare:
+              op: eq
+              value: "640"
+            set: true
+          - flag: "600"
+            compare:
+              op: eq
+              value: "600"
+            set: true
+      remediation: "Run the below command (based on the file location on your system) on the each worker node. 
+              \nFor example, chmod 644 $config"
+      scored: true
+
+    - id: 2.2.2
+      text: "Ensure that the config file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $config; then stat -c %U:%G $config; fi'"
+      tests:
+        test_items:
+          - flag: "root:root"
+            compare:
+              op: eq
+              value: root:root
+            set: true
+      remediation: "Run the below command (based on the file location on your system) on the each worker node. 
+              \nFor example, chown root:root $config"
+      scored: true
+
+    - id: 2.2.3
+      text: "Ensure that the kubelet file permissions are set to 644 or more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "644"
+            compare:
+              op: eq
+              value: 644
+            set: true
+          - flag: "640"
+            compare:
+              op: eq
+              value: "640"
+            set: true
+          - flag: "600"
+            compare:
+              op: eq
+              value: "600"
+            set: true
+      remediation: "Run the below command (based on the file location on your system) on the each worker node. 
+              \nFor example, chmod 644 $kubeletconf"
+      scored: true
+
+    - id: 2.2.4
+      text: "Ensure that the kubelet file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi'"
+      tests:
+        test_items:
+          - flag: "root:root"
+            set: true
+      remediation: "Run the below command (based on the file location on your system) on the each worker node. 
+              \nFor example, chown root:root $kubeletconf"
+      scored: true
+
+    - id: 2.2.5
+      text: "Ensure that the proxy file permissions are set to 644 or more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %a $proxyconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "644"
+            compare:
+              op: eq
+              value: "644"
+            set: true
+          - flag: "640"
+            compare:
+              op: eq
+              value: "640"
+            set: true
+          - flag: "600"
+            compare:
+              op: eq
+              value: "600"
+            set: true
+      remediation: "Run the below command (based on the file location on your system) on the each worker node. 
+              \nFor example, chmod 644 $proxyconf"
+      scored: true
+
+    - id: 2.2.6
+      text: "Ensure that the proxy file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %U:%G $proxyconf; fi'"
+      tests:
+        test_items:
+          - flag: "root:root"
+            set: true
+      remediation: "Run the below command (based on the file location on your system) on the each worker node. 
+              \nFor example, chown root:root $proxyconf"
+      scored: true

cfg/1.7/federated.yaml

@@ -0,0 +1,285 @@
+---
+controls:
+version: 1.7
+id: 3
+text: "Federated Deployments"
+type: "federated"
+groups:
+- id: 3.1
+  text: "Federation API Server"
+  checks:
+     - id: 3.1.1
+       text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+           - flag: "--anonymous-auth"
+             compare:
+               op: eq
+               value: false
+             set: true
+       remediation: "Edit the deployment specs and set --anonymous-auth=false.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.2
+       text: "Ensure that the --basic-auth-file argument is not set (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+           - flag: "--basic-auth-file"
+             set: false
+       remediation: "Follow the documentation and configure alternate mechanisms for authentication.
+               Then, edit the deployment specs and remove \"--basic-auth-file=<filename>\".\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+  
+     - id: 3.1.3
+       text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+           - flag: "--insecure-allow-any-token"
+             set: false
+       remediation: "Edit the deployment specs and remove --insecure-allow-any-token.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system" 
+       scored: true
+ 
+     - id: 3.1.4
+       text: "Ensure that the --insecure-bind-address argument is not set (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+           - flag: "--insecure-bind-address"
+             set: false
+       remediation: "Edit the deployment specs and remove --insecure-bind-address.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.5
+       text: "Ensure that the --insecure-port argument is set to 0 (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--insecure-port"
+           compare:
+             op: eq
+             value: 0
+           set: true
+       remediation: "Edit the deployment specs and set --insecure-port=0.\n
+              kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.6
+       text: "Ensure that the --secure-port argument is not set to 0 (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests: 
+         bin_op: or
+         test_items:
+           - flag:  "--secure-port"
+             compare:
+               op: gt
+               value: 0
+             set: true
+           - flag: "--secure-port"
+             set: false
+       remediation: "Edit the deployment specs and set the --secure-port argument to the desired port.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.7
+       text: "Ensure that the --profiling argument is set to false (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--profiling"
+           compare:
+             op: eq
+             value: false
+           set: true
+       remediation: "Edit the deployment specs and set \"--profiling=false\".\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       score: true
+
+     - id: 3.1.8
+       text: "Ensure that the admission control policy is not set to AlwaysAdmit (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--admission-control"
+           compare:
+             op: nothave
+             value: AlwaysAdmit 
+           set: true
+       remediation: "Edit the deployment specs and set --admission-control argument to a value that does 
+               not include AlwaysAdmit.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.9
+       text: "Ensure that the admission control policy is set to NamespaceLifecycle (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "admission-control"
+           compare:
+             op: has
+             value: "NamespaceLifecycle"
+           set: true
+       remediation: "Edit the deployment specs and set --admission-control argument to a value that includes NamespaceLifecycle.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.10
+       text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--audit-log-path"
+           set: true
+       remediation: "Edit the deployment specs and set --audit-log-path argument as appropriate.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+  
+     - id: 3.1.11
+       text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--audit-log-maxage"
+           compare:
+             op: gte
+             value: 30
+           set: true
+       remediation: "Edit the deployment specs and set --audit-log-maxage to 30 or as appropriate.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+               
+     - id: 3.1.12
+       text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--audit-log-maxbackup"
+           compare:
+             op: gte
+             value: 10
+           set: true
+       remediation: "Edit the deployment specs and set --audit-log-maxbackup to 10 or as appropriate.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.13
+       text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--audit-log-maxsize"
+           compare:
+             op: gte
+             value: 100
+           set: true
+       remediation: "Edit the deployment specs and set --audit-log-maxsize=100 to 100 or as appropriate.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.14
+       text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--authorization-mode"
+           compare:
+             op: nothave
+             value: "AlwaysAllow"
+           set: true
+       remediation: "Edit the deployment specs and set --authorization-mode argument to a value other than AlwaysAllow.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+ 
+     - id: 3.1.15
+       text: "Ensure that the --token-auth-file parameter is not set (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--token-auth-file"
+           set: false
+       remediation: "Follow the documentation and configure alternate mechanisms for authentication.
+               Then, edit the deployment specs and remove the --token-auth-file=<filename> argument.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+  
+     - id: 3.1.16
+       text: "Ensure that the --service-account-lookup argument is set to true (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--service-account-lookup"
+           compare:
+             op: eq
+             value: true
+           set: true
+       remediation: "Edit the deployment specs and set \"--service-account-lookup=true\".\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.17
+       text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--service-account-key-file"
+           set: true
+       remediation: "Edit the deployment specs and set --service-account-key-file argument as appropriate.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.18
+       text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as appropriate (Scored"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         bin_op: and
+         test_items:
+         - flag: "--etcd-certfile"
+           set: true
+         - flag: "--etcd-keyfile"
+           set: true
+       remediation: "Follow the Kubernetes documentation and set up the TLS connection between the
+               federation apiserver and etcd. Then, edit the deployment specs and set \"--etcd-
+               certfile=<path/to/client-certificate-file>\" and \"--etcd-
+               keyfile=<path/to/client-key-file>\" arguments.\n
+               kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+     - id: 3.1.19
+       text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
+       audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+       tests:
+         bin_op: and
+         test_items:
+         - flag: "--tls-cert-file"
+           set: true
+         - flag: "--tls-private-key-file"
+           set: true
+       remediation: "Follow the Kubernetes documentation and set up the TLS connection on the federation
+               apiserver. Then, edit the deployment specs and set \"--tls-cert-file=<path/to/tls-
+               certificate-file>\" and \"--tls-private-key-file=<path/to/tls-key-file>\" :
+                       kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+       scored: true
+
+- id: 3.2
+  text: "Federation Controller Manager"
+  checks:
+     - id: 3.2.1
+       text: "Ensure that the --profiling argument is set to false (Scored)"
+       audit: "ps -ef | grep $fedcontrollermanagerbin | grep -v grep"
+       tests:
+         test_items:
+         - flag: "--profiling"
+           compare:
+             op: eq
+             value: false
+           set: true
+       remediation: "Edit the deployment specs and set \"--profiling=false\".\n
+               kubectl edit deployments federation-controller-manager-deployment --namespace=federation-system"
+       scored: true

cfg/1.7/master.yaml

@@ -1,5 +1,6 @@
 ---
 controls:
+version: 1.7
 id: 1
 text: "Master Node Security Configuration"
 type: "master"
@@ -310,7 +311,7 @@ groups:
       scored: true
 
     - id: 1.1.23
-      text: "Ensure that the --kubelet-client-certificate and --kubelet-clientkey arguments are set as appropriate (Scored)"
+      text: "Ensure that the --kubelet-client-certificate and --kubelet-client-key arguments are set as appropriate (Scored)"
       audit: "ps -ef | grep $apiserverbin | grep -v grep"
       tests:
         bin_op: and
@@ -636,7 +637,7 @@ groups:
 
     - id: 1.4.3
       text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
-      audit: "/bin/sh -c 'if test -e $config; then stat -c %a $config; fi'"
+      audit: "/bin/sh -c 'if test -e $kubernetesconf; then stat -c %a $kubernetesconf; fi'"
       tests:
         bin_op: or
         test_items:
@@ -656,12 +657,12 @@ groups:
             value: "600"
           set: true
       remediation: "Run the below command (based on the file location on your system) on the master node. 
-              \nFor example, chmod 644 $config"
+              \nFor example, chmod 644 $kubernetesconf"
       scored: true
 
     - id: 1.4.4
       text: "Ensure that the config file ownership is set to root:root (Scored)"
-      audit: "/bin/sh -c 'if test -e $config; then stat -c %U:%G $config; fi'"
+      audit: "/bin/sh -c 'if test -e $kubernetesconf; then stat -c %U:%G $kubernetesconf; fi'"
       tests:
         test_items:
         - flag: "root:root"
@@ -670,7 +671,7 @@ groups:
             value: "root:root"
           set: true
       remediation: "Run the below command (based on the file location on your system) on the master node. 
-              \nFor example, chown root:root $config"
+              \nFor example, chown root:root $kubernetesconf"
       scored: true
 
     - id: 1.4.5
@@ -792,7 +793,7 @@ groups:
       
     - id: 1.4.11
       text: "Ensure that the etcd data directory permissions are set to 700 or more restrictive (Scored)"
-      audit: "ps -ef | grep $etcdbin | grep -v grep | grep -o data-dir=.* | cut -d= -f2 | xargs stat -c %a"
+      audit: ps -ef | grep $etcdbin | grep -v grep | sed 's%.*data-dir[= ]\(\S*\)%\1%' | xargs stat -c %a
       tests:
         test_items:
         - flag: "700"
@@ -809,7 +810,7 @@ groups:
 
     - id: 1.4.12
       text: "Ensure that the etcd data directory ownership is set to etcd:etcd (Scored)"
-      audit: "ps -ef | grep $etcdbin | grep -v grep | grep -o data-dir=.* | cut -d= -f2 | xargs stat -c %U:%G"
+      audit: ps -ef | grep $etcdbin | grep -v grep | ed 's%.*data-dir[= ]\(\S*\)%\1%' | xargs stat -c %U:%G
       tests:
         test_items:
         - flag: "etcd:etcd"

cfg/1.7/node.yaml

@@ -1,5 +1,6 @@
 ---
 controls:
+version: 1.7
 id: 2
 text: "Worker Node Security Configuration"
 type: "node"
@@ -17,7 +18,7 @@ groups:
               op: eq
               value: false
             set: true
-      remediation: "Edit the $config file on each node and set the KUBE_ALLOW_PRIV 
+      remediation: "Edit the $kubeletconf file on each node and set the KUBE_ALLOW_PRIV 
               parameter to \"--allow-privileged=false\""
       scored: true
 
@@ -79,10 +80,11 @@ groups:
       text: "Ensure that the --streaming-connection-idle-timeout argument is not set to 0 (Scored)"
       audit: "ps -ef | grep $kubeletbin | grep -v grep"
       tests:
+        bin_op: or
         test_items:
           - flag: "--streaming-connection-idle-timeout"
             compare:
-              op: gt
+              op: noteq
               value: 0
             set: true
       remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS 
@@ -198,7 +200,7 @@ groups:
               op: eq
               value: true
             set: true
-      remediation: "Edit the /etc/kubernetes/kubelet file on each node and set the KUBELET_ARGS parameter
+      remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS parameter
               to a value to include \"--feature-gates=RotateKubeletClientCertificate=true\"."
       scored: true
 
@@ -212,7 +214,7 @@ groups:
               op: eq
               value: true
             set: true
-      remediation: "Edit the /etc/kubernetes/kubelet file on each node and set the KUBELET_ARGS parameter
+      remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS parameter
               to a value to include \"--feature-gates=RotateKubeletServerCertificate=true\"."
       scored: true
 
@@ -221,7 +223,7 @@ groups:
   checks:
     - id: 2.2.1
       text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
-      audit: "/bin/sh -c 'if test -e $config; then stat -c %a $config; fi'"
+      audit: "/bin/sh -c 'if test -e $kubernetesconf; then stat -c %a $kubernetesconf; fi'"
       tests:
         bin_op: or
         test_items:
@@ -241,12 +243,12 @@ groups:
               value: "600"
             set: true
       remediation: "Run the below command (based on the file location on your system) on the each worker node. 
-              \nFor example, chmod 644 $config"
+              \nFor example, chmod 644 $kubernetesconf"
       scored: true
 
     - id: 2.2.2
       text: "Ensure that the config file ownership is set to root:root (Scored)"
-      audit: "/bin/sh -c 'if test -e $config; then stat -c %U:%G $config; fi'"
+      audit: "/bin/sh -c 'if test -e $kubernetesconf; then stat -c %U:%G $kubernetesconf; fi'"
       tests:
         test_items:
           - flag: "root:root"
@@ -255,7 +257,7 @@ groups:
               value: root:root
             set: true
       remediation: "Run the below command (based on the file location on your system) on the each worker node. 
-              \nFor example, chown root:root $config"
+              \nFor example, chown root:root $kubernetesconf"
       scored: true
 
     - id: 2.2.3

cfg/1.8/config.yaml

@@ -0,0 +1,44 @@
+---
+## Controls Files. 
+# These are YAML files that hold all the details for running checks.
+#
+## Uncomment to use different control file paths.
+# masterControls: ./cfg/master.yaml
+# nodeControls: ./cfg/node.yaml
+# federatedControls: ./cfg/federated.yaml
+
+master:
+  apiserver:
+    confs:
+      - /etc/kubernetes/manifests/kube-apiserver.yaml
+      - /etc/kubernetes/manifests/kube-apiserver.manifest
+    defaultconf: /etc/kubernetes/manifests/kube-apiserver.yaml
+
+  scheduler:
+    confs: 
+      - /etc/kubernetes/manifests/kube-scheduler.yaml
+      - /etc/kubernetes/manifests/kube-scheduler.manifest
+    defaultconf: /etc/kubernetes/manifests/kube-scheduler.yaml
+
+  controllermanager:
+    confs:
+      - /etc/kubernetes/manifests/kube-controller-manager.yaml
+      - /etc/kubernetes/manifests/kube-controller-manager.manifest
+    defaultconf: /etc/kubernetes/manifests/kube-controller-manager.yaml
+
+  etcd:
+    confs:
+      - /etc/kubernetes/manifests/etcd.yaml
+      - /etc/kubernetes/manifests/etcd.manifest
+    defaultconf: /etc/kubernetes/manifests/etcd.yaml
+
+node:
+  kubelet:
+    confs:
+     - /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
+    defaultconf: /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
+  
+  proxy:
+    confs:
+      - /etc/kubernetes/addons/kube-proxy-daemonset.yaml
+    defaultconf: /etc/kubernetes/addons/kube-proxy-daemonset.yaml

cfg/1.8/federated.yaml

@@ -0,0 +1,309 @@
+---
+controls:
+version: 1.8
+id: 3
+text: "Federated Deployments"
+type: "federated"
+groups:
+- id: 3.1
+  text: "Federation API Server"
+  checks:
+  - id: 3.1.1
+    text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--anonymous-auth"
+        compare:
+          op: eq
+          value: false
+        set: true
+    remediation: |
+      Edit the deployment specs and set --anonymous-auth=false.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.2
+    text: "Ensure that the --basic-auth-file argument is not set (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--basic-auth-file"
+        set: false
+    remediation: |
+      Follow the documentation and configure alternate mechanisms for authentication. Then,
+      edit the deployment specs and remove "--basic-auth-file=<filename>".
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.3
+    text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--insecure-allow-any-token"
+        set: false
+    remediation: |
+      Edit the deployment specs and remove --insecure-allow-any-token.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.4
+    text: "Ensure that the --insecure-bind-address argument is not set (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--insecure-bind-address"
+        set: false
+    remediation: |
+      Edit the deployment specs and remove --insecure-bind-address.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.5
+    text: "Ensure that the --insecure-port argument is set to 0 (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--insecure-port"
+        compare:
+          op: eq
+          value: 0
+        set: true
+    remediation: |
+      Edit the deployment specs and set --insecure-port=0.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.6
+    text: "Ensure that the --secure-port argument is not set to 0 (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests: 
+      bin_op: or
+      test_items:
+      - flag:  "--secure-port"
+        compare:
+          op: gt
+          value: 0
+        set: true
+      - flag: "--secure-port"
+        set: false
+    remediation: |
+      Edit the deployment specs and set the --secure-port argument to the desired port.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.7
+    text: "Ensure that the --profiling argument is set to false (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--profiling"
+        compare:
+          op: eq
+          value: false
+        set: true
+    remediation: |
+      Edit the deployment specs and set "--profiling=false":
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    score: true
+
+  - id: 3.1.8
+    text: "Ensure that the admission control policy is not set to AlwaysAdmit (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--admission-control"
+        compare:
+          op: nothave
+          value: AlwaysAdmit 
+        set: true
+    remediation: |
+      Edit the deployment specs and set --admission-control argument to a value that does not
+      include AlwaysAdmit .
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.9
+    text: "Ensure that the admission control policy is set to NamespaceLifecycle (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "admission-control"
+        compare:
+          op: has
+          value: "NamespaceLifecycle"
+        set: true
+    remediation: |
+      Edit the deployment specs and set --admission-control argument to a value that includes
+      NamespaceLifecycle.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.10
+    text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--audit-log-path"
+        set: true
+    remediation: "Edit the deployment specs and set --audit-log-path argument as appropriate.\n
+            kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
+    scored: true
+
+  - id: 3.1.11
+    text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--audit-log-maxage"
+        compare:
+          op: gte
+          value: 30
+        set: true
+    remediation: |
+      Edit the deployment specs and set --audit-log-maxage to 30 or as appropriate.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+            
+  - id: 3.1.12
+    text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--audit-log-maxbackup"
+        compare:
+          op: gte
+          value: 10
+        set: true
+    remediation: |
+      Edit the deployment specs and set --audit-log-maxbackup to 10 or as appropriate.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.13
+    text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--audit-log-maxsize"
+        compare:
+          op: gte
+          value: 100
+        set: true
+    remediation: |
+      Edit the deployment specs and set --audit-log-maxsize=100 to 100 or as appropriate.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.14
+    text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--authorization-mode"
+        compare:
+          op: nothave
+          value: "AlwaysAllow"
+        set: true
+    remediation: |
+      Edit the deployment specs and set --authorization-mode argument to a value other than
+      AlwaysAllow
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.15
+    text: "Ensure that the --token-auth-file parameter is not set (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--token-auth-file"
+        set: false
+    remediation: |
+      Follow the documentation and configure alternate mechanisms for authentication. Then,
+      edit the deployment specs and remove the --token-auth-file=<filename> argument.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.16
+    text: "Ensure that the --service-account-lookup argument is set to true (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--service-account-lookup"
+        compare:
+          op: eq
+          value: true
+        set: true
+    remediation: |
+      Edit the deployment specs and set "--service-account-lookup=true" .
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.17
+    text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--service-account-key-file"
+        set: true
+    remediation: |
+      Edit the deployment specs and set --service-account-key-file argument as appropriate.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.18
+    text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as 
+    appropriate (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      bin_op: and
+      test_items:
+      - flag: "--etcd-certfile"
+        set: true
+      - flag: "--etcd-keyfile"
+        set: true
+    remediation: |
+      Follow the Kubernetes documentation and set up the TLS connection between the
+      federation apiserver and etcd. Then, edit the deployment specs and set 
+      "--etcd-certfile=<path/to/client-certificate-file>" and 
+      "--etcd-keyfile=<path/to/client-key-file>" arguments.
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+  - id: 3.1.19
+    text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as 
+    appropriate (Scored)"
+    audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
+    tests:
+      bin_op: and
+      test_items:
+      - flag: "--tls-cert-file"
+        set: true
+      - flag: "--tls-private-key-file"
+        set: true
+    remediation: |
+      Follow the Kubernetes documentation and set up the TLS connection on the federation
+      apiserver. Then, edit the deployment specs and set 
+      "--tls-cert-file=<path/to/tls-certificate-file>" and 
+      "--tls-private-key-file=<path/to/tls-key-file>":
+      kubectl edit deployments federation-apiserver-deployment --namespace=federation-system
+    scored: true
+
+- id: 3.2
+  text: "Federation Controller Manager"
+  checks:
+  - id: 3.2.1
+    text: "Ensure that the --profiling argument is set to false (Scored)"
+    audit: "ps -ef | grep $fedcontrollermanagerbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--profiling"
+        compare:
+          op: eq
+          value: false
+        set: true
+    remediation: |
+      Edit the deployment specs and set "--profiling=false":
+      kubectl edit deployments federation-controller-manager-deployment --namespace=federation-system
+    scored: true

cfg/1.8/node.yaml

@@ -0,0 +1,440 @@
+---
+controls:
+version: 1.8
+id: 2
+text: "Worker Node Security Configuration"
+type: "node"
+groups:
+- id: 2.1
+  text: "Kubelet"
+  checks:
+  - id: 2.1.1
+    text: "Ensure that the --allow-privileged argument is set to false (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--allow-privileged"
+        compare:
+          op: eq
+          value: false
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --allow-privileged=false
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.2
+    text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--anonymous-auth"
+        compare:
+          op: eq
+          value: false
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --anonymous-auth=false
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.3
+    text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--authorization-mode"
+        compare:
+          op: nothave
+          value: "AlwaysAllow"
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_AUTHZ_ARGS variable.
+      --authorization-mode=Webhook
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.4
+    text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--client-ca-file"
+        set: true 
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_AUTHZ_ARGS variable.
+      --client-ca-file=<path/to/client-ca-file>
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.5
+    text: "Ensure that the --read-only-port argument is set to 0 (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--read-only-port"
+        compare:
+          op: eq
+          value: 0
+        set: true 
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --read-only-port=0
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.6
+    text: "Ensure that the --streaming-connection-idle-timeout argument is not set to 0 (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--streaming-connection-idle-timeout"
+        compare:
+          op: noteq
+          value: 0
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --streaming-connection-idle-timeout=5m
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.7
+    text: "Ensure that the --protect-kernel-defaults argument is set to true (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--protect-kernel-defaults"
+        compare:
+          op: eq
+          value: true
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --protect-kernel-defaults=true
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.8
+    text: "Ensure that the --make-iptables-util-chains argument is set to true (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      bin_op: or
+      test_items:
+      - flag: "--make-iptables-util-chains"
+        compare:
+          op: eq
+          value: true
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and remove the --make-iptables-util-chains argument from the
+      KUBELET_SYSTEM_PODS_ARGS variable.
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.9
+    text: "Ensure that the --keep-terminated-pod-volumes argument is set to false (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--keep-terminated-pod-volumes"
+        compare:
+          op: eq
+          value: false
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --keep-terminated-pod-volumes=false
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.10
+    text: "Ensure that the --hostname-override argument is not set (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--hostname-override"
+        set: false
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and remove the --hostname-override argument from the
+      KUBELET_SYSTEM_PODS_ARGS variable.
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.11
+    text: "Ensure that the --event-qps argument is set to 0 (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--event-qps"
+        compare:
+          op: eq
+          value: 0
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
+      --event-qps=0
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.12
+    text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--tls-cert-file"
+        set: true
+      - flag: "--tls-private-key-file"
+        set: true
+    remediation: |
+      Follow the Kubernetes documentation and set up the TLS connection on the Kubelet.
+      Then edit the kubelet service file /etc/systemd/system/kubelet.service.d/10-
+      kubeadm.conf on each worker node and set the below parameters in
+      KUBELET_CERTIFICATE_ARGS variable.
+      --tls-cert-file=<path/to/tls-certificate-file>
+      file=<path/to/tls-key-file>
+      --tls-private-key-
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.13
+    text: "Ensure that the --cadvisor-port argument is set to 0 (Scored)"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "--cadvisor-port"
+        compare:
+          op: eq
+          value: 0
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_CADVISOR_ARGS variable.
+      --cadvisor-port=0
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.14
+    text: "Ensure that the RotateKubeletClientCertificate argument is set to true"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "RotateKubeletClientCertificate"
+        compare:
+          op: eq
+          value: true
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and remove the --feature-
+      gates=RotateKubeletClientCertificate=false argument from the
+      KUBELET_CERTIFICATE_ARGS variable.
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+  - id: 2.1.15
+    text: "Ensure that the RotateKubeletServerCertificate argument is set to true"
+    audit: "ps -ef | grep $kubeletbin | grep -v grep"
+    tests:
+      test_items:
+      - flag: "RotateKubeletServerCertificate"
+        compare:
+          op: eq
+          value: true
+        set: true
+    remediation: |
+      Edit the kubelet service file $kubeletconf
+      on each worker node and set the below parameter in KUBELET_CERTIFICATE_ARGS variable.
+      --feature-gates=RotateKubeletServerCertificate=true
+      Based on your system, restart the kubelet service. For example:
+      systemctl daemon-reload
+      systemctl restart kubelet.service
+    scored: true
+
+- id: 2.2
+  text: "Configuration Files"
+  checks:
+    - id: 2.2.1
+      text: "Ensure that the kubelet.conf file permissions are set to 644 or
+      more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+          - flag: "644"
+            compare:
+              op: eq
+              value: "644"
+            set: true
+          - flag: "640"
+            compare:
+              op: eq
+              value: "640"
+            set: true
+          - flag: "600"
+            compare:
+              op: eq
+              value: "600"
+            set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chmod 644 $kubeletconf
+      scored: true
+
+    - id: 2.2.2
+      text: "Ensure that the kubelet.conf file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi'"
+      tests:
+        test_items:
+          - flag: "root:root"
+            compare:
+              op: eq
+              value: root:root
+            set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chown root:root /etc/kubernetes/kubelet.conf
+      scored: true
+
+    - id: 2.2.3
+      text: "Ensure that the kubelet service file permissions are set to 644 or
+      more restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+        - flag: "644"
+          compare:
+            op: eq
+            value: 644
+          set: true
+        - flag: "640"
+          compare:
+            op: eq
+            value: "640"
+          set: true
+        - flag: "600"
+          compare:
+            op: eq
+            value: "600"
+          set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chmod 755 $kubeletconf
+      scored: true
+
+    - id: 2.2.4
+      text: "2.2.4 Ensure that the kubelet service file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi'"
+      tests:
+        test_items:
+        - flag: "root:root"
+          set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chown root:root $kubeletconf
+      scored: true
+
+    - id: 2.2.5
+      text: "Ensure that the proxy kubeconfig file permissions are set to 644 or more
+      restrictive (Scored)"
+      audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %a $proxyconf; fi'"
+      tests:
+        bin_op: or
+        test_items:
+        - flag: "644"
+          compare:
+            op: eq
+            value: "644"
+          set: true
+        - flag: "640"
+          compare:
+            op: eq
+            value: "640"
+          set: true
+        - flag: "600"
+          compare:
+            op: eq
+            value: "600"
+          set: true
+      remediation: |
+        Run the below command (based on the file location on your system) on the each worker
+        node. For example,
+        chmod 644 $proxyconf
+      scored: true
+
+    - id: 2.2.6
+      text: "Ensure that the proxy kubeconfig file ownership is set to root:root (Scored)"
+      audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %U:%G $proxyconf; fi'"
+      tests:
+        test_items:
+        - flag: "root:root"
+          set: true
+      remediation: |
+          Run the below command (based on the file location on your system) on the each worker
+          node. For example,
+          chown root:root $proxyconf
+      scored: true
+
+    - id: 2.2.7
+      text: "Ensure that the certificate authorities file permissions are set to
+      644 or more restrictive (Scored)"
+      type: manual
+      remediation: |
+        Run the following command to modify the file permissions of the --client-ca-file
+        chmod 644 <filename>
+      scored: true
+
+    - id: 2.2.8
+      text: "Ensure that the client certificate authorities file ownership is set to root:root"
+      audit: "/bin/sh -c 'if test -e $ca-file; then stat -c %U:%G $ca-file; fi'"
+      type: manual
+      remediation: |
+        Run the following command to modify the ownership of the --client-ca-file .
+        chown root:root <filename>
+      scored: true

cfg/config.yaml

@@ -7,106 +7,105 @@
 # nodeControls: ./cfg/node.yaml
 # federatedControls: ./cfg/federated.yaml
 
-## Support components
-etcd:
-  bin: etcd
-  conf: /etc/etcd/etcd.conf
+master:
+  components:
+    - apiserver
+    - scheduler
+    - controllermanager
+    - etcd 
+    - flanneld
+    # kubernetes is a component to cover the config file /etc/kubernetes/config that is referred to in the benchmark
+    - kubernetes
 
-flanneld:
-  bin: flanneld
-  conf: /etc/sysconfig/flanneld
+  kubernetes:
+    defaultconf: /etc/kubernetes/config
 
-# Installation
-# Configure kubernetes component binaries and paths to their configuration files.
-installation:
-  default:
-    config: /etc/kubernetes/config
-    master:
-      bin:
-        apiserver: apiserver
-        scheduler: scheduler
-        controller-manager: controller-manager
-      conf:
-        apiserver: /etc/kubernetes/apiserver
-        scheduler: /etc/kubernetes/scheduler
-        controller-manager: /etc/kubernetes/controller-manager
-    node:
-      bin:
-        kubelet: kubelet
-        proxy: proxy
-      conf:
-        kubelet: /etc/kubernetes/kubelet
-        proxy: /etc/kubernetes/proxy
-    federated:
-      bin:
-        apiserver: federation-apiserver
-        controller-manager: federation-controller-manager
+  apiserver:
+    bins:
+      - "kube-apiserver"
+      - "hyperkube apiserver"
+      - "apiserver"
+    confs:
+      - /etc/kubernetes/apiserver.conf
+      - /etc/kubernetes/apiserver
+    defaultconf: /etc/kubernetes/apiserver
 
-  kops:
-    config: /etc/kubernetes/config
-    master:
-      bin:
-        apiserver: apiserver
-        scheduler: scheduler
-        controller-manager: controller-manager
-      conf:
-        apiserver: /etc/kubernetes/apiserver
-        scheduler: /etc/kubernetes/scheduler
-        controller-manager: /etc/kubernetes/apiserver
-    node:
-      bin:
-        kubelet: kubelet
-        proxy: proxy
-      conf:
-        kubelet: /etc/kubernetes/kubelet
-        proxy: /etc/kubernetes/proxy
-    federated:
-      bin:
-        apiserver: federation-apiserver
-        controller-manager: federation-controller-manager
+  scheduler:
+    bins:
+      - "kube-scheduler"
+      - "hyperkube scheduler"
+      - "scheduler"
+    confs: 
+      - /etc/kubernetes/scheduler.conf
+      - /etc/kubernetes/scheduler
+    defaultconf: /etc/kubernetes/scheduler
 
-  hyperkube:
-    config: /etc/kubernetes/config
-    master:
-      bin:
-        apiserver: hyperkube apiserver
-        scheduler: hyperkube scheduler
-        controller-manager: hyperkube controller-manager
-      conf:
-        apiserver: /etc/kubernetes/manifests/kube-apiserver.yaml
-        scheduler: /etc/kubernetes/manifests/kube-scheduler.yaml
-        controller-manager: /etc/kubernetes/manifests/kube-controller-manager.yaml
-    node:
-      bin:
-        kubelet: hyperkube kubelet
-        proxy: hyperkube proxy
-      conf:
-        kubelet: /etc/kubernetes/kubelet
-        proxy: /etc/kubernetes/addons/kube-proxy-daemonset.yaml
-    federated:
-      bin:
-        apiserver: hyperkube federation-apiserver
-        controller-manager: hyperkube federation-controller-manager
+  controllermanager:
+    bins:
+      - "kube-controller-manager"
+      - "hyperkube controller-manager"
+      - "controller-manager"
+    confs:
+      - /etc/kubernetes/controller-manager.conf
+      - /etc/kubernetes/controller-manager
+    defaultconf: /etc/kubernetes/controller-manager
 
-  kubeadm:
-    config: /etc/kubernetes/config
-    master:
-      bin:
-        apiserver: kube-apiserver
-        scheduler: kube-scheduler
-        controller-manager: kube-controller-manager
-      conf:
-        apiserver: /etc/kubernetes/admin.conf
-        scheduler: /etc/kubernetes/scheduler.conf
-        controller-manager: /etc/kubernetes/controller-manager.conf
-    node:
-      bin:
-        kubelet: kubelet
-        proxy: kube-proxy
-      conf:
-        kubelet: /etc/kubernetes/kubelet.conf
-        proxy: /etc/kubernetes/proxy.conf
-    federated:
-      bin:
-        apiserver: kube-federation-apiserver
-        controller-manager: kube-federation-controller-manager
+  etcd:
+    optional: true
+    bins:
+      - "etcd"
+    confs:
+      - /etc/etcd/etcd.conf
+    defaultconf: /etc/etcd/etcd.conf
+
+  flanneld:
+    optional: true
+    bins:
+      - flanneld
+    defaultconf: /etc/sysconfig/flanneld
+
+node:
+  components:
+    - kubelet
+    - proxy
+    # kubernetes is a component to cover the config file /etc/kubernetes/config that is referred to in the benchmark
+    - kubernetes
+
+  kubernetes:
+    defaultconf: /etc/kubernetes/config    
+
+  kubelet:
+    bins:
+      - "hyperkube kubelet"
+      - "kubelet"
+    confs:
+      - /etc/kubernetes/kubelet.conf
+      - /etc/kubernetes/kubelet 
+    defaultconf: "/etc/kubernetes/kubelet.conf"
+
+  proxy:
+    bins:
+      - "kube-proxy"
+      - "hyperkube proxy"
+      - "proxy"
+    confs:
+      - /etc/kubernetes/proxy.conf
+      - /etc/kubernetes/proxy
+      - /etc/kubernetes/addons/kube-proxy-daemonset.yaml
+
+federated:
+  components:
+    - fedapiserver
+    - fedcontrollermanager
+
+  fedapiserver:
+    bins:
+      - "hyperkube federation-apiserver"
+      - "kube-federation-apiserver"
+      - "federation-apiserver"
+
+  fedcontrollermanager:
+    bins:
+      - "hyperkube federation-controller-manager"
+      - "kube-federation-controller-manager"
+      - "federation-controller-manager"

check/check.go

@@ -60,15 +60,17 @@ func handleError(err error, context string) (errmsg string) {
 // Check contains information about a recommendation in the
 // CIS Kubernetes 1.6+ document.
 type Check struct {
-	ID          string `yaml:"id" json:"id"`
-	Text        string
+	ID          string      `yaml:"id" json:"test_number"`
+	Text        string      `json:"test_desc"`
 	Audit       string      `json:"omit"`
 	Type        string      `json:"type"`
 	Commands    []*exec.Cmd `json:"omit"`
 	Tests       *tests      `json:"omit"`
 	Set         bool        `json:"omit"`
-	Remediation string
-	State
+	Remediation string      `json:"-"`
+	TestInfo    []string    `json:"test_info"`
+	State       `json:"status"`
+	ActualValue string `json:"actual_value"`
 }
 
 // Run executes the audit commands specified in a check and outputs
@@ -156,13 +158,25 @@ func (c *Check) Run() {
 		i++
 	}
 
-	glog.V(2).Info("%s\n", errmsgs)
-
-	res := c.Tests.execute(out.String())
-	if res {
-		c.State = PASS
+	finalOutput := c.Tests.execute(out.String())
+	if finalOutput != nil {
+		c.ActualValue = finalOutput.actualResult
+		if finalOutput.testResult {
+			c.State = PASS
+		} else {
+			c.State = FAIL
+		}
 	} else {
-		c.State = FAIL
+		errmsgs += handleError(
+			fmt.Errorf("final output is nil"),
+			fmt.Sprintf("failed to run: %s\n",
+				c.Audit,
+			),
+		)
+	}
+
+	if errmsgs != "" {
+		glog.V(2).Info(errmsgs)
 	}
 }
 

check/controls.go

@@ -23,25 +23,29 @@ import (
 
 // Controls holds all controls to check for master nodes.
 type Controls struct {
-	ID     string `yaml:"id"`
-	Text   string
-	Type   NodeType
-	Groups []*Group
+	ID      string   `yaml:"id" json:"id"`
+	Version string   `json:"version"`
+	Text    string   `json:"text"`
+	Type    NodeType `json:"node_type"`
+	Groups  []*Group `json:"tests"`
 	Summary
 }
 
 // Group is a collection of similar checks.
 type Group struct {
-	ID     string `yaml:"id"`
-	Text   string
-	Checks []*Check
+	ID     string   `yaml:"id" json:"section"`
+	Pass   int      `json:"pass"`
+	Fail   int      `json:"fail"`
+	Warn   int      `json:"warn"`
+	Text   string   `json:"desc"`
+	Checks []*Check `json:"results"`
 }
 
 // Summary is a summary of the results of control checks run.
 type Summary struct {
-	Pass int
-	Fail int
-	Warn int
+	Pass int `json:"total_pass"`
+	Fail int `json:"total_fail"`
+	Warn int `json:"total_warn"`
 }
 
 // NewControls instantiates a new master Controls object.
@@ -83,7 +87,9 @@ func (controls *Controls) RunGroup(gids ...string) Summary {
 			if gid == group.ID {
 				for _, check := range group.Checks {
 					check.Run()
+					check.TestInfo = append(check.TestInfo, check.Remediation)
 					summarize(controls, check)
+					summarizeGroup(group, check)
 				}
 
 				g = append(g, group)
@@ -111,6 +117,7 @@ func (controls *Controls) RunChecks(ids ...string) Summary {
 			for _, id := range ids {
 				if id == check.ID {
 					check.Run()
+					check.TestInfo = append(check.TestInfo, check.Remediation)
 					summarize(controls, check)
 
 					// Check if we have already added this checks group.
@@ -177,3 +184,14 @@ func summarize(controls *Controls, check *Check) {
 		controls.Summary.Warn++
 	}
 }
+
+func summarizeGroup(group *Group, check *Check) {
+	switch check.State {
+	case PASS:
+		group.Pass++
+	case FAIL:
+		group.Fail++
+	case WARN:
+		group.Warn++
+	}
+}

check/controls_test.go

@@ -11,22 +11,31 @@ const cfgDir = "../cfg/"
 
 // validate that the files we're shipping are valid YAML
 func TestYamlFiles(t *testing.T) {
-	files, err := ioutil.ReadDir(cfgDir)
-	if err != nil {
-		t.Fatalf("error reading %s directory: %v", cfgDir, err)
-	}
-	for _, file := range files {
-		fileName := file.Name()
-		in, err := ioutil.ReadFile(cfgDir + fileName)
+	// TODO: make this list dynamic
+	dirs := []string{"1.6/", "1.7/"}
+
+	for _, dir := range dirs {
+		dir = cfgDir + dir
+
+		files, err := ioutil.ReadDir(dir)
 		if err != nil {
-			t.Fatalf("error opening file %s: %v", fileName, err)
+			t.Fatalf("error reading %s directory: %v", dir, err)
 		}
 
-		c := new(Controls)
+		for _, file := range files {
 
-		err = yaml.Unmarshal(in, c)
-		if err != nil {
-			t.Fatalf("failed to load YAML from %s: %v", fileName, err)
+			fileName := file.Name()
+			in, err := ioutil.ReadFile(dir + fileName)
+			if err != nil {
+				t.Fatalf("error opening file %s: %v", fileName, err)
+			}
+
+			c := new(Controls)
+
+			err = yaml.Unmarshal(in, c)
+			if err != nil {
+				t.Fatalf("failed to load YAML from %s: %v", fileName, err)
+			}
 		}
 	}
 }

check/data

@@ -17,7 +17,7 @@ groups:
     - id: 1
       text: "flag is not set"
       tests:
-        test_item:
+        test_items:
           - flag: "--basic-auth"
             set: false
 
@@ -116,3 +116,45 @@ groups:
             op: eq
             value: "600"
           set: true
+
+    - id: 10
+      text: "flag value includes some value in a comma-separated list, value is last in list"
+      tests:
+        test_items:
+          - flag: "--admission-control"
+            compare:
+              op: has
+              value: RBAC
+            set: true
+
+    - id: 11
+      text: "flag value includes some value in a comma-separated list, value is first in list"
+      tests:
+        test_items:
+          - flag: "--admission-control"
+            compare:
+              op: has
+              value: WebHook
+            set: true
+
+    - id: 12
+      text: "flag value includes some value in a comma-separated list, value middle of list"
+      tests:
+        test_items:
+          - flag: "--admission-control"
+            compare:
+              op: has
+              value: Something
+            set: true
+
+    - id: 13
+      text: "flag value includes some value in a comma-separated list, value only one in list"
+      tests:
+        test_items:
+          - flag: "--admission-control"
+            compare:
+              op: has
+              value: Something
+            set: true
+
+

check/test.go

@@ -49,8 +49,13 @@ type compare struct {
 	Value string
 }
 
-func (t *testItem) execute(s string) (result bool) {
-	result = false
+type testOutput struct {
+	testResult   bool
+	actualResult string
+}
+
+func (t *testItem) execute(s string) *testOutput {
+	result := &testOutput{}
 	match := strings.Contains(s, t.Flag)
 
 	if t.Set {
@@ -62,7 +67,8 @@ func (t *testItem) execute(s string) (result bool) {
 			// --flag=somevalue
 			// --flag
 			// somevalue
-			pttn := `(` + t.Flag + `)(=)*([^\s,]*) *`
+			//pttn := `(` + t.Flag + `)(=)*([^\s,]*) *`
+			pttn := `(` + t.Flag + `)(=)*([^\s]*) *`
 			flagRe := regexp.MustCompile(pttn)
 			vals := flagRe.FindStringSubmatch(s)
 
@@ -77,45 +83,57 @@ func (t *testItem) execute(s string) (result bool) {
 				os.Exit(1)
 			}
 
+			result.actualResult = strings.ToLower(flagVal)
 			switch t.Compare.Op {
 			case "eq":
-				result = flagVal == t.Compare.Value
+				value := strings.ToLower(flagVal)
+				// Do case insensitive comparaison for booleans ...
+				if value == "false" || value == "true" {
+					result.testResult = value == t.Compare.Value
+				} else {
+					result.testResult = flagVal == t.Compare.Value
+				}
 
 			case "noteq":
-				result = !(flagVal == t.Compare.Value)
+				value := strings.ToLower(flagVal)
+				// Do case insensitive comparaison for booleans ...
+				if value == "false" || value == "true" {
+					result.testResult = !(value == t.Compare.Value)
+				} else {
+					result.testResult = !(flagVal == t.Compare.Value)
+				}
 
 			case "gt":
 				a, b := toNumeric(flagVal, t.Compare.Value)
-				result = a > b
+				result.testResult = a > b
 
 			case "gte":
 				a, b := toNumeric(flagVal, t.Compare.Value)
-				result = a >= b
+				result.testResult = a >= b
 
 			case "lt":
 				a, b := toNumeric(flagVal, t.Compare.Value)
-				result = a < b
+				result.testResult = a < b
 
 			case "lte":
 				a, b := toNumeric(flagVal, t.Compare.Value)
-				result = a <= b
+				result.testResult = a <= b
 
 			case "has":
-				result = strings.Contains(flagVal, t.Compare.Value)
+				result.testResult = strings.Contains(flagVal, t.Compare.Value)
 
 			case "nothave":
-				result = !strings.Contains(flagVal, t.Compare.Value)
+				result.testResult = !strings.Contains(flagVal, t.Compare.Value)
 			}
 		} else {
-			result = isset
+			result.testResult = isset
 		}
 
 	} else {
 		notset := !match
-		result = notset
+		result.testResult = notset
 	}
-
-	return
+	return result
 }
 
 type tests struct {
@@ -123,13 +141,19 @@ type tests struct {
 	BinOp     binOp       `yaml:"bin_op"`
 }
 
-func (ts *tests) execute(s string) (result bool) {
-	res := make([]bool, len(ts.TestItems))
+func (ts *tests) execute(s string) *testOutput {
+	finalOutput := &testOutput{}
 
-	for i, t := range ts.TestItems {
-		res[i] = t.execute(s)
+	res := make([]testOutput, len(ts.TestItems))
+	if len(res) == 0 {
+		return finalOutput
 	}
 
+	for i, t := range ts.TestItems {
+		res[i] = *(t.execute(s))
+	}
+
+	var result bool
 	// If no binary operation is specified, default to AND
 	switch ts.BinOp {
 	default:
@@ -138,16 +162,19 @@ func (ts *tests) execute(s string) (result bool) {
 	case and, "":
 		result = true
 		for i := range res {
-			result = result && res[i]
+			result = result && res[i].testResult
 		}
 	case or:
 		result = false
 		for i := range res {
-			result = result || res[i]
+			result = result || res[i].testResult
 		}
 	}
 
-	return
+	finalOutput.testResult = result
+	finalOutput.actualResult = res[0].actualResult
+
+	return finalOutput
 }
 
 func toNumeric(a, b string) (c, d int) {

check/test_test.go

@@ -94,10 +94,26 @@ func TestTestExecute(t *testing.T) {
 			controls.Groups[0].Checks[9],
 			"600",
 		},
+		{
+			controls.Groups[0].Checks[10],
+			"2:45 ../kubernetes/kube-apiserver --option --admission-control=WebHook,RBAC ---audit-log-maxage=40",
+		},
+		{
+			controls.Groups[0].Checks[11],
+			"2:45 ../kubernetes/kube-apiserver --option --admission-control=WebHook,RBAC ---audit-log-maxage=40",
+		},
+		{
+			controls.Groups[0].Checks[12],
+			"2:45 ../kubernetes/kube-apiserver --option --admission-control=WebHook,Something,RBAC ---audit-log-maxage=40",
+		},
+		{
+			controls.Groups[0].Checks[13],
+			"2:45 ../kubernetes/kube-apiserver --option --admission-control=Something ---audit-log-maxage=40",
+		},
 	}
 
 	for _, c := range cases {
-		res := c.Tests.execute(c.str)
+		res := c.Tests.execute(c.str).testResult
 		if !res {
 			t.Errorf("%s, expected:%v, got:%v\n", c.Text, true, res)
 		}

cmd/common.go

@@ -18,70 +18,24 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
+	"path/filepath"
 
 	"github.com/aquasecurity/kube-bench/check"
+	"github.com/golang/glog"
 	"github.com/spf13/viper"
 )
 
 var (
-	apiserverBin            string
-	apiserverConf           string
-	schedulerBin            string
-	schedulerConf           string
-	controllerManagerBin    string
-	controllerManagerConf   string
-	config                  string
-	etcdBin                 string
-	etcdConf                string
-	flanneldBin             string
-	flanneldConf            string
-	kubeletBin              string
-	kubeletConf             string
-	proxyBin                string
-	proxyConf               string
-	fedApiserverBin         string
-	fedControllerManagerBin string
-
 	errmsgs string
-
-	// TODO: Consider specifying this in config file.
-	kubeMajorVersion = "1"
-	kubeMinorVersion = "7"
 )
 
-func runChecks(t check.NodeType) {
+func runChecks(nodetype check.NodeType) {
 	var summary check.Summary
 	var file string
+	var err error
+	var typeConf *viper.Viper
 
-	// Master variables
-	apiserverBin = viper.GetString("installation." + installation + ".master.bin.apiserver")
-	apiserverConf = viper.GetString("installation." + installation + ".master.conf.apiserver")
-	schedulerBin = viper.GetString("installation." + installation + ".master.bin.scheduler")
-	schedulerConf = viper.GetString("installation." + installation + ".master.conf.scheduler")
-	controllerManagerBin = viper.GetString("installation." + installation + ".master.bin.controller-manager")
-	controllerManagerConf = viper.GetString("installation." + installation + ".master.conf.controller-manager")
-	config = viper.GetString("installation." + installation + ".config")
-
-	etcdBin = viper.GetString("etcd.bin")
-	etcdConf = viper.GetString("etcd.conf")
-	flanneldBin = viper.GetString("flanneld.bin")
-	flanneldConf = viper.GetString("flanneld.conf")
-
-	// Node variables
-	kubeletBin = viper.GetString("installation." + installation + ".node.bin.kubelet")
-	kubeletConf = viper.GetString("installation." + installation + ".node.conf.kubelet")
-	proxyBin = viper.GetString("installation." + installation + ".node.bin.proxy")
-	proxyConf = viper.GetString("installation." + installation + ".node.conf.proxy")
-
-	// Federated
-	fedApiserverBin = viper.GetString("installation." + installation + ".federated.bin.apiserver")
-	fedControllerManagerBin = viper.GetString("installation." + installation + ".federated.bin.controller-manager")
-
-	// Run kubernetes installation validation checks.
-	verifyKubeVersion(kubeMajorVersion, kubeMinorVersion)
-	verifyNodeType(t)
-
-	switch t {
+	switch nodetype {
 	case check.MASTER:
 		file = masterFile
 	case check.NODE:
@@ -90,36 +44,50 @@ func runChecks(t check.NodeType) {
 		file = federatedFile
 	}
 
-	in, err := ioutil.ReadFile(file)
+	runningVersion, err := getKubeVersion()
+	if err != nil && kubeVersion == "" {
+		exitWithError(fmt.Errorf("Version check failed: %s\nAlternatively, you can specify the version with --version", err))
+	}
+	path, err := getConfigFilePath(kubeVersion, runningVersion, file)
 	if err != nil {
-		exitWithError(fmt.Errorf("error opening %s controls file: %v", t, err))
+		exitWithError(fmt.Errorf("can't find %s controls file in %s: %v", nodetype, cfgDir, err))
 	}
 
-	// Variable substitutions. Replace all occurrences of variables in controls files.
-	s := multiWordReplace(string(in), "$apiserverbin", apiserverBin)
-	s = multiWordReplace(s, "$apiserverconf", apiserverConf)
-	s = multiWordReplace(s, "$schedulerbin", schedulerBin)
-	s = multiWordReplace(s, "$schedulerconf", schedulerConf)
-	s = multiWordReplace(s, "$controllermanagerbin", controllerManagerBin)
-	s = multiWordReplace(s, "$controllermanagerconf", controllerManagerConf)
-	s = multiWordReplace(s, "$config", config)
-
-	s = multiWordReplace(s, "$etcdbin", etcdBin)
-	s = multiWordReplace(s, "$etcdconf", etcdConf)
-	s = multiWordReplace(s, "$flanneldbin", flanneldBin)
-	s = multiWordReplace(s, "$flanneldconf", flanneldConf)
-
-	s = multiWordReplace(s, "$kubeletbin", kubeletBin)
-	s = multiWordReplace(s, "$kubeletconf", kubeletConf)
-	s = multiWordReplace(s, "$proxybin", proxyBin)
-	s = multiWordReplace(s, "$proxyconf", proxyConf)
-
-	s = multiWordReplace(s, "$fedapiserverbin", fedApiserverBin)
-	s = multiWordReplace(s, "$fedcontrollermanagerbin", fedControllerManagerBin)
-
-	controls, err := check.NewControls(t, []byte(s))
+	def := filepath.Join(path, file)
+	in, err := ioutil.ReadFile(def)
 	if err != nil {
-		exitWithError(fmt.Errorf("error setting up %s controls: %v", t, err))
+		exitWithError(fmt.Errorf("error opening %s controls file: %v", nodetype, err))
+	}
+
+	glog.V(1).Info(fmt.Sprintf("Using benchmark file: %s\n", def))
+
+	// Merge kubernetes version specific config if any.
+	viper.SetConfigFile(path + "/config.yaml")
+	err = viper.MergeInConfig()
+	if err != nil {
+		if os.IsNotExist(err) {
+			glog.V(2).Info(fmt.Sprintf("No version-specific config.yaml file in %s", path))
+		} else {
+			exitWithError(fmt.Errorf("couldn't read config file %s: %v", path+"/config.yaml", err))
+		}
+	} else {
+		glog.V(1).Info(fmt.Sprintf("Using config file: %s\n", viper.ConfigFileUsed()))
+	}
+
+	// Get the set of exectuables and config files we care about on this type of node. This also
+	// checks that the executables we need for the node type are running.
+	typeConf = viper.Sub(string(nodetype))
+	binmap := getBinaries(typeConf)
+	confmap := getConfigFiles(typeConf)
+
+	// Variable substitutions. Replace all occurrences of variables in controls files.
+	s := string(in)
+	s = makeSubstitutions(s, "bin", binmap)
+	s = makeSubstitutions(s, "conf", confmap)
+
+	controls, err := check.NewControls(nodetype, []byte(s))
+	if err != nil {
+		exitWithError(fmt.Errorf("error setting up %s controls: %v", nodetype, err))
 	}
 
 	if groupList != "" && checkList == "" {
@@ -143,41 +111,16 @@ func runChecks(t check.NodeType) {
 
 		fmt.Println(string(out))
 	} else {
-		prettyPrint(controls, summary)
-	}
-}
-
-// verifyNodeType checks the executables and config files are as expected
-// for the specified tests (master, node or federated).
-func verifyNodeType(t check.NodeType) {
-	var bins []string
-	var confs []string
-
-	switch t {
-	case check.MASTER:
-		bins = []string{apiserverBin, schedulerBin, controllerManagerBin}
-		confs = []string{apiserverConf, schedulerConf, controllerManagerConf}
-	case check.NODE:
-		bins = []string{kubeletBin, proxyBin}
-		confs = []string{kubeletConf, proxyConf}
-	case check.FEDERATED:
-		bins = []string{fedApiserverBin, fedControllerManagerBin}
-	}
-
-	for _, bin := range bins {
-		if !verifyBin(bin, ps) {
-			printlnWarn(fmt.Sprintf("%s is not running", bin))
-		}
-	}
-
-	for _, conf := range confs {
-		_, err := os.Stat(conf)
-		if err != nil {
-			if os.IsNotExist(err) {
-				printlnWarn(fmt.Sprintf("Missing kubernetes config file: %s", conf))
-			} else {
-				exitWithError(fmt.Errorf("error looking for file %s: %v", conf, err))
+		// if we want to store in PostgreSQL, convert to JSON and save it
+		if (summary.Fail > 0 || summary.Warn > 0 || summary.Pass > 0) && pgSQL {
+			out, err := controls.JSON()
+			if err != nil {
+				exitWithError(fmt.Errorf("failed to output in JSON format: %v", err))
 			}
+
+			savePgsql(string(out))
+		} else {
+			prettyPrint(controls, summary)
 		}
 	}
 }
@@ -190,43 +133,48 @@ func colorPrint(state check.State, s string) {
 
 // prettyPrint outputs the results to stdout in human-readable format
 func prettyPrint(r *check.Controls, summary check.Summary) {
-	colorPrint(check.INFO, fmt.Sprintf("Using config file: %s\n", viper.ConfigFileUsed()))
-
-	colorPrint(check.INFO, fmt.Sprintf("%s %s\n", r.ID, r.Text))
-	for _, g := range r.Groups {
-		colorPrint(check.INFO, fmt.Sprintf("%s %s\n", g.ID, g.Text))
-		for _, c := range g.Checks {
-			colorPrint(c.State, fmt.Sprintf("%s %s\n", c.ID, c.Text))
-		}
-	}
-
-	fmt.Println()
-
-	// Print remediations.
-	if summary.Fail > 0 || summary.Warn > 0 {
-		colors[check.WARN].Printf("== Remediations ==\n")
+	// Print check results.
+	if !noResults {
+		colorPrint(check.INFO, fmt.Sprintf("%s %s\n", r.ID, r.Text))
 		for _, g := range r.Groups {
+			colorPrint(check.INFO, fmt.Sprintf("%s %s\n", g.ID, g.Text))
 			for _, c := range g.Checks {
-				if c.State != check.PASS {
-					fmt.Printf("%s %s\n", c.ID, c.Remediation)
-				}
+				colorPrint(c.State, fmt.Sprintf("%s %s\n", c.ID, c.Text))
 			}
 		}
+
 		fmt.Println()
 	}
 
-	// Print summary setting output color to highest severity.
-	var res check.State
-	if summary.Fail > 0 {
-		res = check.FAIL
-	} else if summary.Warn > 0 {
-		res = check.WARN
-	} else {
-		res = check.PASS
+	// Print remediations.
+	if !noRemediations {
+		if summary.Fail > 0 || summary.Warn > 0 {
+			colors[check.WARN].Printf("== Remediations ==\n")
+			for _, g := range r.Groups {
+				for _, c := range g.Checks {
+					if c.State != check.PASS {
+						fmt.Printf("%s %s\n", c.ID, c.Remediation)
+					}
+				}
+			}
+			fmt.Println()
+		}
 	}
 
-	colors[res].Printf("== Summary ==\n")
-	fmt.Printf("%d checks PASS\n%d checks FAIL\n%d checks WARN\n",
-		summary.Pass, summary.Fail, summary.Warn,
-	)
+	// Print summary setting output color to highest severity.
+	if !noSummary {
+		var res check.State
+		if summary.Fail > 0 {
+			res = check.FAIL
+		} else if summary.Warn > 0 {
+			res = check.WARN
+		} else {
+			res = check.PASS
+		}
+
+		colors[res].Printf("== Summary ==\n")
+		fmt.Printf("%d checks PASS\n%d checks FAIL\n%d checks WARN\n",
+			summary.Pass, summary.Fail, summary.Warn,
+		)
+	}
 }

cmd/database.go

@@ -0,0 +1,60 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/golang/glog"
+	"github.com/jinzhu/gorm"
+	_ "github.com/jinzhu/gorm/dialects/postgres" // database packages get blank imports
+	"github.com/spf13/viper"
+)
+
+func savePgsql(jsonInfo string) {
+	envVars := map[string]string{
+		"PGSQL_HOST":     viper.GetString("PGSQL_HOST"),
+		"PGSQL_USER":     viper.GetString("PGSQL_USER"),
+		"PGSQL_DBNAME":   viper.GetString("PGSQL_DBNAME"),
+		"PGSQL_SSLMODE":  viper.GetString("PGSQL_SSLMODE"),
+		"PGSQL_PASSWORD": viper.GetString("PGSQL_PASSWORD"),
+	}
+
+	for k, v := range envVars {
+		if v == "" {
+			exitWithError(fmt.Errorf("environment variable %s is missing", envVarsPrefix+"_"+k))
+		}
+	}
+
+	connInfo := fmt.Sprintf("host=%s user=%s dbname=%s sslmode=%s password=%s",
+		envVars["PGSQL_HOST"],
+		envVars["PGSQL_USER"],
+		envVars["PGSQL_DBNAME"],
+		envVars["PGSQL_SSLMODE"],
+		envVars["PGSQL_PASSWORD"],
+	)
+
+	hostname, err := os.Hostname()
+	if err != nil {
+		exitWithError(fmt.Errorf("received error looking up hostname: %s", err))
+	}
+
+	timestamp := time.Now()
+
+	type ScanResult struct {
+		gorm.Model
+		ScanHost string    `gorm:"type:varchar(63) not null"` // https://www.ietf.org/rfc/rfc1035.txt
+		ScanTime time.Time `gorm:"not null"`
+		ScanInfo string    `gorm:"type:jsonb not null"`
+	}
+
+	db, err := gorm.Open("postgres", connInfo)
+	defer db.Close()
+	if err != nil {
+		exitWithError(fmt.Errorf("received error connecting to database: %s", err))
+	}
+
+	db.Debug().AutoMigrate(&ScanResult{})
+	db.Save(&ScanResult{ScanHost: hostname, ScanTime: timestamp, ScanInfo: jsonInfo})
+	glog.V(2).Info(fmt.Sprintf("successfully stored result to: %s", envVars["PGSQL_HOST"]))
+}

cmd/federated.go

@@ -33,7 +33,7 @@ func init() {
 	federatedCmd.PersistentFlags().StringVarP(&federatedFile,
 		"file",
 		"f",
-		cfgDir+"/federated.yaml",
+		"/federated.yaml",
 		"Alternative YAML file for federated checks",
 	)
 

cmd/master.go

@@ -33,7 +33,7 @@ func init() {
 	masterCmd.PersistentFlags().StringVarP(&masterFile,
 		"file",
 		"f",
-		cfgDir+"/master.yaml",
+		"/master.yaml",
 		"Alternative YAML file for master checks",
 	)
 

cmd/node.go

@@ -33,7 +33,7 @@ func init() {
 	nodeCmd.PersistentFlags().StringVarP(&nodeFile,
 		"file",
 		"f",
-		cfgDir+"/node.yaml",
+		"/node.yaml",
 		"Alternative YAML file for node checks",
 	)
 

cmd/root.go

@@ -25,30 +25,28 @@ import (
 )
 
 var (
-	cfgDir  = "./cfg"
-	cfgFile string
-
-	jsonFmt       bool
-	checkList     string
-	groupList     string
-	masterFile    string
-	nodeFile      string
-	federatedFile string
-
-	loud bool
-
-	kubeConfDir     string
-	etcdConfDir     string
-	flanneldConfDir string
-
-	installation string
+	envVarsPrefix      = "KUBE_BENCH"
+	defaultKubeVersion = "1.6"
+	kubeVersion        string
+	cfgFile            string
+	cfgDir             string
+	jsonFmt            bool
+	pgSQL              bool
+	checkList          string
+	groupList          string
+	masterFile         string
+	nodeFile           string
+	federatedFile      string
+	noResults          bool
+	noSummary          bool
+	noRemediations     bool
 )
 
 // RootCmd represents the base command when called without any subcommands
 var RootCmd = &cobra.Command{
 	Use:   os.Args[0],
 	Short: "Run CIS Benchmarks checks against a Kubernetes deployment",
-	Long:  `This tool runs the CIS Kubernetes 1.6 Benchmark v1.0.0 checks.`,
+	Long:  `This tool runs the CIS Kubernetes Benchmark (https://www.cisecurity.org/benchmark/kubernetes/)`,
 }
 
 // Execute adds all child commands to the root command sets flags appropriately.
@@ -66,13 +64,13 @@ func Execute() {
 func init() {
 	cobra.OnInitialize(initConfig)
 
+	// Output control
+	RootCmd.PersistentFlags().BoolVar(&noResults, "noresults", false, "Disable printing of results section")
+	RootCmd.PersistentFlags().BoolVar(&noSummary, "nosummary", false, "Disable printing of summary section")
+	RootCmd.PersistentFlags().BoolVar(&noRemediations, "noremediations", false, "Disable printing of remediations section")
 	RootCmd.PersistentFlags().BoolVar(&jsonFmt, "json", false, "Prints the results as JSON")
-	RootCmd.PersistentFlags().StringVar(
-		&installation,
-		"installation",
-		"default",
-		"Specify how kubernetes cluster was installed. Possible values are default,hyperkube,kops,kubeadm",
-	)
+	RootCmd.PersistentFlags().BoolVar(&pgSQL, "pgsql", false, "Save the results to PostgreSQL")
+
 	RootCmd.PersistentFlags().StringVarP(
 		&checkList,
 		"check",
@@ -88,6 +86,8 @@ func init() {
 		`Run all the checks under this comma-delimited list of groups. Example --group="1.1"`,
 	)
 	RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is ./cfg/config.yaml)")
+	RootCmd.PersistentFlags().StringVarP(&cfgDir, "config-dir", "D", "./cfg/", "config directory")
+	RootCmd.PersistentFlags().StringVar(&kubeVersion, "version", "", "Manually specify Kubernetes version, automatically detected if unset")
 
 	goflag.CommandLine.VisitAll(func(goflag *goflag.Flag) {
 		RootCmd.PersistentFlags().AddGoFlag(goflag)
@@ -104,7 +104,7 @@ func initConfig() {
 		viper.AddConfigPath(cfgDir)   // adding ./cfg as first search path
 	}
 
-	viper.SetEnvPrefix("KUBE_BENCH")
+	viper.SetEnvPrefix(envVarsPrefix)
 	viper.AutomaticEnv() // read in environment variables that match
 
 	// If a config file is found, read it in.

cmd/util.go

@@ -4,12 +4,15 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+	"path/filepath"
 	"regexp"
+	"strconv"
 	"strings"
 
 	"github.com/aquasecurity/kube-bench/check"
 	"github.com/fatih/color"
 	"github.com/golang/glog"
+	"github.com/spf13/viper"
 )
 
 var (
@@ -22,6 +25,14 @@ var (
 	}
 )
 
+var psFunc func(string) string
+var statFunc func(string) (os.FileInfo, error)
+
+func init() {
+	psFunc = ps
+	statFunc = os.Stat
+}
+
 func printlnWarn(msg string) {
 	fmt.Fprintf(os.Stderr, "[%s] %s\n",
 		colors[check.WARN].Sprintf("%s", check.WARN),
@@ -43,7 +54,7 @@ func exitWithError(err error) {
 
 func continueWithError(err error, msg string) string {
 	if err != nil {
-		glog.V(1).Info(err)
+		glog.V(2).Info(err)
 	}
 
 	if msg != "" {
@@ -75,8 +86,126 @@ func ps(proc string) string {
 	return string(out)
 }
 
+// getBinaries finds which of the set of candidate executables are running
+func getBinaries(v *viper.Viper) map[string]string {
+	binmap := make(map[string]string)
+
+	for _, component := range v.GetStringSlice("components") {
+		s := v.Sub(component)
+		if s == nil {
+			continue
+		}
+
+		optional := s.GetBool("optional")
+		bins := s.GetStringSlice("bins")
+		if len(bins) > 0 {
+			bin, err := findExecutable(bins)
+			if err != nil && !optional {
+				exitWithError(fmt.Errorf("need %s executable but none of the candidates are running", component))
+			}
+
+			// Default the executable name that we'll substitute to the name of the component
+			if bin == "" {
+				bin = component
+				glog.V(2).Info(fmt.Sprintf("Component %s not running", component))
+			} else {
+				glog.V(2).Info(fmt.Sprintf("Component %s uses running binary %s", component, bin))
+			}
+			binmap[component] = bin
+		}
+	}
+
+	return binmap
+}
+
+// getConfigFilePath locates the config files we should be using based on either the specified
+// version, or the running version of kubernetes if not specified
+func getConfigFilePath(specifiedVersion string, runningVersion string, filename string) (path string, err error) {
+	var fileVersion string
+
+	if specifiedVersion != "" {
+		fileVersion = specifiedVersion
+	} else {
+		fileVersion = runningVersion
+	}
+
+	glog.V(2).Info(fmt.Sprintf("Looking for config for version %s", fileVersion))
+
+	for {
+		path = filepath.Join(cfgDir, fileVersion)
+		file := filepath.Join(path, string(filename))
+		glog.V(2).Info(fmt.Sprintf("Looking for config file: %s\n", file))
+
+		if _, err = os.Stat(file); !os.IsNotExist(err) {
+			if specifiedVersion == "" && fileVersion != runningVersion {
+				glog.V(1).Info(fmt.Sprintf("No test file found for %s - using tests for Kubernetes %s\n", runningVersion, fileVersion))
+			}
+			return path, nil
+		}
+
+		// If we were given an explicit version to look for, don't look for any others
+		if specifiedVersion != "" {
+			return "", err
+		}
+
+		fileVersion = decrementVersion(fileVersion)
+		if fileVersion == "" {
+			return "", fmt.Errorf("no test files found <= runningVersion")
+		}
+	}
+}
+
+// decrementVersion decrements the version number
+// We want to decrement individually even through versions where we don't supply test files
+// just in case someone wants to specify their own test files for that version
+func decrementVersion(version string) string {
+	split := strings.Split(version, ".")
+	minor, err := strconv.Atoi(split[1])
+	if err != nil {
+		return ""
+	}
+	if minor <= 1 {
+		return ""
+	}
+	split[1] = strconv.Itoa(minor - 1)
+	return strings.Join(split, ".")
+}
+
+// getConfigFiles finds which of the set of candidate config files exist
+// accepts a string 't' which indicates the type of config file, conf,
+// podspec or untifile.
+func getConfigFiles(v *viper.Viper) map[string]string {
+	confmap := make(map[string]string)
+
+	for _, component := range v.GetStringSlice("components") {
+		s := v.Sub(component)
+		if s == nil {
+			continue
+		}
+
+		// See if any of the candidate config files exist
+		conf := findConfigFile(s.GetStringSlice("confs"))
+		if conf == "" {
+			if s.IsSet("defaultconf") {
+				conf = s.GetString("defaultconf")
+				glog.V(2).Info(fmt.Sprintf("Using default config file name '%s' for component %s", conf, component))
+			} else {
+				// Default the config file name that we'll substitute to the name of the component
+				glog.V(2).Info(fmt.Sprintf("Missing config file for %s", component))
+				conf = component
+			}
+		} else {
+			glog.V(2).Info(fmt.Sprintf("Component %s uses config file '%s'", component, conf))
+		}
+
+		confmap[component] = conf
+	}
+
+	return confmap
+}
+
 // verifyBin checks that the binary specified is running
-func verifyBin(bin string, psFunc func(string) string) bool {
+func verifyBin(bin string) bool {
 
 	// Strip any quotes
 	bin = strings.Trim(bin, "'\"")
@@ -87,68 +216,46 @@ func verifyBin(bin string, psFunc func(string) string) bool {
 	proc := strings.Fields(bin)[0]
 	out := psFunc(proc)
 
-	return strings.Contains(out, bin)
-}
-
-func verifyKubeVersion(major string, minor string) {
-	// These executables might not be on the user's path.
-
-	_, err := exec.LookPath("kubectl")
-	if err != nil {
-		continueWithError(err, sprintlnWarn("Kubernetes version check skipped"))
-		return
-	}
-
-	cmd := exec.Command("kubectl", "version")
-	out, err := cmd.Output()
-	if err != nil {
-		s := fmt.Sprintf("Kubernetes version check skipped with error %v", err)
-		continueWithError(err, sprintlnWarn(s))
-		if len(out) == 0 {
-			return
+	// There could be multiple lines in the ps output
+	// The binary needs to be the first word in the ps output, except that it could be preceded by a path
+	// e.g. /usr/bin/kubelet is a match for kubelet
+	// but apiserver is not a match for kube-apiserver
+	reFirstWord := regexp.MustCompile(`^(\S*\/)*` + bin)
+	lines := strings.Split(out, "\n")
+	for _, l := range lines {
+		if reFirstWord.Match([]byte(l)) {
+			return true
 		}
 	}
 
-	msg := checkVersion("Client", string(out), major, minor)
-	if msg != "" {
-		continueWithError(fmt.Errorf(msg), msg)
-	}
-
-	msg = checkVersion("Server", string(out), major, minor)
-	if msg != "" {
-		continueWithError(fmt.Errorf(msg), msg)
-	}
+	return false
 }
 
-var regexVersionMajor = regexp.MustCompile("Major:\"([0-9]+)\"")
-var regexVersionMinor = regexp.MustCompile("Minor:\"([0-9]+)\"")
-
-func checkVersion(x string, s string, expMajor string, expMinor string) string {
-	regexVersion, err := regexp.Compile(x + " Version: version.Info{(.*)}")
-	if err != nil {
-		return fmt.Sprintf("Error checking Kubernetes version: %v", err)
-	}
-
-	ss := regexVersion.FindString(s)
-	major := versionMatch(regexVersionMajor, ss)
-	minor := versionMatch(regexVersionMinor, ss)
-	if major == "" || minor == "" {
-		return fmt.Sprintf("Couldn't find %s version from kubectl output '%s'", x, s)
-	}
-
-	if major != expMajor || minor != expMinor {
-		return fmt.Sprintf("Unexpected %s version %s.%s", x, major, minor)
+// fundConfigFile looks through a list of possible config files and finds the first one that exists
+func findConfigFile(candidates []string) string {
+	for _, c := range candidates {
+		_, err := statFunc(c)
+		if err == nil {
+			return c
+		}
+		if !os.IsNotExist(err) {
+			exitWithError(fmt.Errorf("error looking for file %s: %v", c, err))
+		}
 	}
 
 	return ""
 }
 
-func versionMatch(r *regexp.Regexp, s string) string {
-	match := r.FindStringSubmatch(s)
-	if len(match) < 2 {
-		return ""
+// findExecutable looks through a list of possible executable names and finds the first one that's running
+func findExecutable(candidates []string) (string, error) {
+	for _, c := range candidates {
+		if verifyBin(c) {
+			return c, nil
+		}
+		glog.V(1).Info(fmt.Sprintf("executable '%s' not running", c))
 	}
-	return match[1]
+
+	return "", fmt.Errorf("no candidates running")
 }
 
 func multiWordReplace(s string, subname string, sub string) string {
@@ -159,3 +266,73 @@ func multiWordReplace(s string, subname string, sub string) string {
 
 	return strings.Replace(s, subname, sub, -1)
 }
+
+func getKubeVersion() (string, error) {
+	// These executables might not be on the user's path.
+	_, err := exec.LookPath("kubectl")
+
+	if err != nil {
+		_, err = exec.LookPath("kubelet")
+		if err != nil {
+			return "", fmt.Errorf("need kubectl or kubelet binaries to get kubernetes version")
+		}
+		return getKubeVersionFromKubelet(), nil
+	}
+
+	return getKubeVersionFromKubectl(), nil
+}
+
+func getKubeVersionFromKubectl() string {
+	cmd := exec.Command("kubectl", "version", "--short")
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		continueWithError(fmt.Errorf("%s", out), "")
+	}
+
+	return getVersionFromKubectlOutput(string(out))
+}
+
+func getKubeVersionFromKubelet() string {
+	cmd := exec.Command("kubelet", "--version")
+	out, err := cmd.CombinedOutput()
+
+	if err != nil {
+		continueWithError(fmt.Errorf("%s", out), "")
+	}
+
+	return getVersionFromKubeletOutput(string(out))
+}
+
+func getVersionFromKubectlOutput(s string) string {
+	serverVersionRe := regexp.MustCompile(`Server Version: v(\d+.\d+)`)
+	subs := serverVersionRe.FindStringSubmatch(s)
+	if len(subs) < 2 {
+		printlnWarn(fmt.Sprintf("Unable to get kubectl version, using default version: %s", defaultKubeVersion))
+		return defaultKubeVersion
+	}
+	return subs[1]
+}
+
+func getVersionFromKubeletOutput(s string) string {
+	serverVersionRe := regexp.MustCompile(`Kubernetes v(\d+.\d+)`)
+	subs := serverVersionRe.FindStringSubmatch(s)
+	if len(subs) < 2 {
+		printlnWarn(fmt.Sprintf("Unable to get kubelet version, using default version: %s", defaultKubeVersion))
+		return defaultKubeVersion
+	}
+	return subs[1]
+}
+
+func makeSubstitutions(s string, ext string, m map[string]string) string {
+	for k, v := range m {
+		subst := "$" + k + ext
+		if v == "" {
+			glog.V(2).Info(fmt.Sprintf("No subsitution for '%s'\n", subst))
+			continue
+		}
+		glog.V(2).Info(fmt.Sprintf("Substituting %s with '%s'\n", subst, v))
+		s = multiWordReplace(s, subst, v)
+	}
+
+	return s
+}

cmd/util_test.go

@@ -15,73 +15,30 @@
 package cmd
 
 import (
-	"regexp"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"reflect"
 	"strconv"
 	"testing"
+
+	"github.com/spf13/viper"
 )
 
-func TestCheckVersion(t *testing.T) {
-	kubeoutput := `Client Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.0", GitCommit:"d3ada0119e776222f11ec7945e6d860061339aad", GitTreeState:"clean", BuildDate:"2017-06-30T09:51:01Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"darwin/amd64"}
-	Server Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.0", GitCommit:"d3ada0119e776222f11ec7945e6d860061339aad", GitTreeState:"clean", BuildDate:"2017-07-26T00:12:31Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"linux/amd64"}`
-	cases := []struct {
-		t     string
-		s     string
-		major string
-		minor string
-		exp   string
-	}{
-		{t: "Client", s: kubeoutput, major: "1", minor: "7"},
-		{t: "Server", s: kubeoutput, major: "1", minor: "7"},
-		{t: "Client", s: kubeoutput, major: "1", minor: "6", exp: "Unexpected Client version 1.7"},
-		{t: "Client", s: kubeoutput, major: "2", minor: "0", exp: "Unexpected Client version 1.7"},
-		{t: "Server", s: "something unexpected", major: "2", minor: "0", exp: "Couldn't find Server version from kubectl output 'something unexpected'"},
-	}
-
-	for id, c := range cases {
-		t.Run(strconv.Itoa(id), func(t *testing.T) {
-			m := checkVersion(c.t, c.s, c.major, c.minor)
-			if m != c.exp {
-				t.Fatalf("Got: %s, expected: %s", m, c.exp)
-			}
-		})
-	}
-
-}
-
-func TestVersionMatch(t *testing.T) {
-	minor := regexVersionMinor
-	major := regexVersionMajor
-	client := `Client Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.0", GitCommit:"d3ada0119e776222f11ec7945e6d860061339aad", GitTreeState:"clean", BuildDate:"2017-06-30T09:51:01Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"darwin/amd64"}`
-	server := `Server Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.0", GitCommit:"d3ada0119e776222f11ec7945e6d860061339aad", GitTreeState:"clean", BuildDate:"2017-07-26T00:12:31Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"linux/amd64"}`
-
-	cases := []struct {
-		r   *regexp.Regexp
-		s   string
-		exp string
-	}{
-		{r: major, s: server, exp: "1"},
-		{r: minor, s: server, exp: "7"},
-		{r: major, s: client, exp: "1"},
-		{r: minor, s: client, exp: "7"},
-		{r: major, s: "Some unexpected string"},
-		{r: minor}, // Checking that we don't fall over if the string is empty
-	}
-
-	for id, c := range cases {
-		t.Run(strconv.Itoa(id), func(t *testing.T) {
-			m := versionMatch(c.r, c.s)
-			if m != c.exp {
-				t.Fatalf("Got %s expected %s", m, c.exp)
-			}
-		})
-	}
-}
-
 var g string
+var e []error
+var eIndex int
 
 func fakeps(proc string) string {
 	return g
 }
+
+func fakestat(file string) (os.FileInfo, error) {
+	err := e[eIndex]
+	eIndex++
+	return nil, err
+}
+
 func TestVerifyBin(t *testing.T) {
 	cases := []struct {
 		proc  string
@@ -95,14 +52,110 @@ func TestVerifyBin(t *testing.T) {
 		{proc: "cmd", psOut: "cmd param1 param2", exp: true},
 		{proc: "cmd param", psOut: "cmd param1 param2", exp: true},
 		{proc: "cmd param", psOut: "cmd", exp: false},
+		{proc: "cmd", psOut: "cmd x \ncmd y", exp: true},
+		{proc: "cmd y", psOut: "cmd x \ncmd y", exp: true},
+		{proc: "cmd", psOut: "/usr/bin/cmd", exp: true},
+		{proc: "cmd", psOut: "kube-cmd", exp: false},
+		{proc: "cmd", psOut: "/usr/bin/kube-cmd", exp: false},
 	}
 
+	psFunc = fakeps
+	for id, c := range cases {
+		t.Run(strconv.Itoa(id), func(t *testing.T) {
+			g = c.psOut
+			v := verifyBin(c.proc)
+			if v != c.exp {
+				t.Fatalf("Expected %v got %v", c.exp, v)
+			}
+		})
+	}
+}
+
+func TestFindExecutable(t *testing.T) {
+	cases := []struct {
+		candidates []string // list of executables we'd consider
+		psOut      string   // fake output from ps
+		exp        string   // the one we expect to find in the (fake) ps output
+		expErr     bool
+	}{
+		{candidates: []string{"one", "two", "three"}, psOut: "two", exp: "two"},
+		{candidates: []string{"one", "two", "three"}, psOut: "two three", exp: "two"},
+		{candidates: []string{"one double", "two double", "three double"}, psOut: "two double is running", exp: "two double"},
+		{candidates: []string{"one", "two", "three"}, psOut: "blah", expErr: true},
+		{candidates: []string{"one double", "two double", "three double"}, psOut: "two", expErr: true},
+		{candidates: []string{"apiserver", "kube-apiserver"}, psOut: "kube-apiserver", exp: "kube-apiserver"},
+		{candidates: []string{"apiserver", "kube-apiserver", "hyperkube-apiserver"}, psOut: "kube-apiserver", exp: "kube-apiserver"},
+	}
+
+	psFunc = fakeps
+	for id, c := range cases {
+		t.Run(strconv.Itoa(id), func(t *testing.T) {
+			g = c.psOut
+			e, err := findExecutable(c.candidates)
+			if e != c.exp {
+				t.Fatalf("Expected %v got %v", c.exp, e)
+			}
+
+			if err == nil && c.expErr {
+				t.Fatalf("Expected error")
+			}
+
+			if err != nil && !c.expErr {
+				t.Fatalf("Didn't expect error: %v", err)
+			}
+		})
+	}
+}
+
+func TestGetBinaries(t *testing.T) {
+	cases := []struct {
+		config map[string]interface{}
+		psOut  string
+		exp    map[string]string
+	}{
+		{
+			config: map[string]interface{}{"components": []string{"apiserver"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}},
+			psOut:  "kube-apiserver",
+			exp:    map[string]string{"apiserver": "kube-apiserver"},
+		},
+		{
+			// "thing" is not in the list of components
+			config: map[string]interface{}{"components": []string{"apiserver"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}, "thing": map[string]interface{}{"bins": []string{"something else", "thing"}}},
+			psOut:  "kube-apiserver thing",
+			exp:    map[string]string{"apiserver": "kube-apiserver"},
+		},
+		{
+			// "anotherthing" in list of components but doesn't have a defintion
+			config: map[string]interface{}{"components": []string{"apiserver", "anotherthing"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}, "thing": map[string]interface{}{"bins": []string{"something else", "thing"}}},
+			psOut:  "kube-apiserver thing",
+			exp:    map[string]string{"apiserver": "kube-apiserver"},
+		},
+		{
+			// more than one component
+			config: map[string]interface{}{"components": []string{"apiserver", "thing"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}, "thing": map[string]interface{}{"bins": []string{"something else", "thing"}}},
+			psOut:  "kube-apiserver \nthing",
+			exp:    map[string]string{"apiserver": "kube-apiserver", "thing": "thing"},
+		},
+		{
+			// default binary to component name
+			config: map[string]interface{}{"components": []string{"apiserver", "thing"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}, "thing": map[string]interface{}{"bins": []string{"something else", "thing"}, "optional": true}},
+			psOut:  "kube-apiserver \notherthing some params",
+			exp:    map[string]string{"apiserver": "kube-apiserver", "thing": "thing"},
+		},
+	}
+
+	v := viper.New()
+	psFunc = fakeps
+
 	for id, c := range cases {
 		t.Run(strconv.Itoa(id), func(t *testing.T) {
 			g = c.psOut
-			v := verifyBin(c.proc, fakeps)
-			if v != c.exp {
-				t.Fatalf("Expected %v got %v", c.exp, v)
+			for k, val := range c.config {
+				v.Set(k, val)
+			}
+			m := getBinaries(v)
+			if !reflect.DeepEqual(m, c.exp) {
+				t.Fatalf("Got %v\nExpected %v", m, c.exp)
 			}
 		})
 	}
@@ -129,3 +182,171 @@ func TestMultiWordReplace(t *testing.T) {
 		})
 	}
 }
+
+func TestKubeVersionRegex(t *testing.T) {
+	ver := getVersionFromKubectlOutput(`Client Version: v1.8.0
+		Server Version: v1.8.12
+		`)
+	if ver != "1.8" {
+		t.Fatalf("Expected 1.8 got %s", ver)
+	}
+
+	ver = getVersionFromKubectlOutput("Something completely different")
+	if ver != "1.6" {
+		t.Fatalf("Expected 1.6 got %s", ver)
+	}
+}
+
+func TestFindConfigFile(t *testing.T) {
+	cases := []struct {
+		input       []string
+		statResults []error
+		exp         string
+	}{
+		{input: []string{"myfile"}, statResults: []error{nil}, exp: "myfile"},
+		{input: []string{"thisfile", "thatfile"}, statResults: []error{os.ErrNotExist, nil}, exp: "thatfile"},
+		{input: []string{"thisfile", "thatfile"}, statResults: []error{os.ErrNotExist, os.ErrNotExist}, exp: ""},
+	}
+
+	statFunc = fakestat
+	for id, c := range cases {
+		t.Run(strconv.Itoa(id), func(t *testing.T) {
+			e = c.statResults
+			eIndex = 0
+			conf := findConfigFile(c.input)
+			if conf != c.exp {
+				t.Fatalf("Got %s expected %s", conf, c.exp)
+			}
+		})
+	}
+}
+
+func TestGetConfigFiles(t *testing.T) {
+	cases := []struct {
+		config      map[string]interface{}
+		exp         map[string]string
+		statResults []error
+	}{
+		{
+			config:      map[string]interface{}{"components": []string{"apiserver"}, "apiserver": map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}}},
+			statResults: []error{os.ErrNotExist, nil},
+			exp:         map[string]string{"apiserver": "kube-apiserver"},
+		},
+		{
+			// Component "thing" isn't included in the list of components
+			config: map[string]interface{}{
+				"components": []string{"apiserver"},
+				"apiserver":  map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}},
+				"thing":      map[string]interface{}{"confs": []string{"/my/file/thing"}}},
+			statResults: []error{os.ErrNotExist, nil},
+			exp:         map[string]string{"apiserver": "kube-apiserver"},
+		},
+		{
+			// More than one component
+			config: map[string]interface{}{
+				"components": []string{"apiserver", "thing"},
+				"apiserver":  map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}},
+				"thing":      map[string]interface{}{"confs": []string{"/my/file/thing"}}},
+			statResults: []error{os.ErrNotExist, nil, nil},
+			exp:         map[string]string{"apiserver": "kube-apiserver", "thing": "/my/file/thing"},
+		},
+		{
+			// Default thing to specified default config
+			config: map[string]interface{}{
+				"components": []string{"apiserver", "thing"},
+				"apiserver":  map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}},
+				"thing":      map[string]interface{}{"confs": []string{"/my/file/thing"}, "defaultconf": "another/thing"}},
+			statResults: []error{os.ErrNotExist, nil, os.ErrNotExist},
+			exp:         map[string]string{"apiserver": "kube-apiserver", "thing": "another/thing"},
+		},
+		{
+			// Default thing to component name
+			config: map[string]interface{}{
+				"components": []string{"apiserver", "thing"},
+				"apiserver":  map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}},
+				"thing":      map[string]interface{}{"confs": []string{"/my/file/thing"}}},
+			statResults: []error{os.ErrNotExist, nil, os.ErrNotExist},
+			exp:         map[string]string{"apiserver": "kube-apiserver", "thing": "thing"},
+		},
+	}
+
+	v := viper.New()
+	statFunc = fakestat
+
+	for id, c := range cases {
+		t.Run(strconv.Itoa(id), func(t *testing.T) {
+			for k, val := range c.config {
+				v.Set(k, val)
+			}
+			e = c.statResults
+			eIndex = 0
+
+			m := getConfigFiles(v)
+			if !reflect.DeepEqual(m, c.exp) {
+				t.Fatalf("Got %v\nExpected %v", m, c.exp)
+			}
+		})
+	}
+}
+
+func TestMakeSubsitutions(t *testing.T) {
+	cases := []struct {
+		input string
+		subst map[string]string
+		exp   string
+	}{
+		{input: "Replace $thisbin", subst: map[string]string{"this": "that"}, exp: "Replace that"},
+		{input: "Replace $thisbin", subst: map[string]string{"this": "that", "here": "there"}, exp: "Replace that"},
+		{input: "Replace $thisbin and $herebin", subst: map[string]string{"this": "that", "here": "there"}, exp: "Replace that and there"},
+	}
+	for _, c := range cases {
+		t.Run(c.input, func(t *testing.T) {
+			s := makeSubstitutions(c.input, "bin", c.subst)
+			if s != c.exp {
+				t.Fatalf("Got %s expected %s", s, c.exp)
+			}
+		})
+	}
+}
+
+func TestGetConfigFilePath(t *testing.T) {
+	var err error
+	cfgDir, err = ioutil.TempDir("", "kube-bench-test")
+	if err != nil {
+		t.Fatalf("Failed to create temp directory")
+	}
+	defer os.RemoveAll(cfgDir)
+	d := filepath.Join(cfgDir, "1.8")
+	err = os.Mkdir(d, 0666)
+	if err != nil {
+		t.Fatalf("Failed to create temp file")
+	}
+	ioutil.WriteFile(filepath.Join(d, "master.yaml"), []byte("hello world"), 0666)
+
+	cases := []struct {
+		specifiedVersion string
+		runningVersion   string
+		succeed          bool
+		exp              string
+	}{
+		{runningVersion: "1.8", succeed: true, exp: d},
+		{runningVersion: "1.9", succeed: true, exp: d},
+		{runningVersion: "1.10", succeed: true, exp: d},
+		{runningVersion: "1.1", succeed: false},
+		{specifiedVersion: "1.8", succeed: true, exp: d},
+		{specifiedVersion: "1.9", succeed: false},
+		{specifiedVersion: "1.10", succeed: false},
+	}
+
+	for _, c := range cases {
+		t.Run(c.specifiedVersion+"-"+c.runningVersion, func(t *testing.T) {
+			path, err := getConfigFilePath(c.specifiedVersion, c.runningVersion, "/master.yaml")
+			if err != nil && c.succeed {
+				t.Fatalf("Error %v", err)
+			}
+			if path != c.exp {
+				t.Fatalf("Got %s expected %s", path, c.exp)
+			}
+		})
+	}
+}

entrypoint.sh

@@ -1,14 +1,19 @@
-#!/bin/sh
-if [ -d /host ]; then
-  mkdir -p /host/cfg/
-  yes | cp -rf ./kube-bench/cfg/* /host/cfg/
-  yes | cp -rf ./kube-bench/kube-bench /host/
-  echo "==============================================="
-  echo "kube-bench is now installed on your host       "
-  echo "Run ./kube-bench to perform a security check   "
-  echo "==============================================="
+#!/bin/sh -e
+if [ "$1" == "install" ]; then
+  if [ -d /host ]; then
+    mkdir -p /host/cfg/
+    yes | cp -rf cfg/* /host/cfg/
+    yes | cp -rf /usr/local/bin/kube-bench /host/
+    echo "==============================================="
+    echo "kube-bench is now installed on your host       "
+    echo "Run ./kube-bench to perform a security check   "
+    echo "==============================================="
+  else
+    echo "Usage:"
+    echo "  install: docker run --rm -v \`pwd\`:/host aquasec/kube-bench install"
+    echo "  run:     docker run --rm --pid=host aquasec/kube-bench [command]"
+    exit
+  fi
 else
-  echo "Usage:"
-  echo "  docker run --rm -v \`pwd\`:/host aquasec/kube-bench"
-  exit 
+  exec kube-bench "$@"
 fi

images/kube-bench.svg

@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   viewBox="0 0 831.49597 755.90533"
+   height="755.90533"
+   width="831.49597"
+   xml:space="preserve"
+   id="svg2"
+   version="1.1"><metadata
+     id="metadata8"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /></cc:Work></rdf:RDF></metadata><defs
+     id="defs6"><clipPath
+       id="clipPath22"
+       clipPathUnits="userSpaceOnUse"><path
+         id="path20"
+         d="M 0,566.929 H 623.622 V 0 H 0 Z" /></clipPath></defs><g
+     transform="matrix(1.3333333,0,0,-1.3333333,0,755.90533)"
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