Merge pull request #63 from stefanprodan/release-3.2.4

Release v3.2.4

.circleci/config.yml

@@ -11,7 +11,7 @@ jobs:
           name: Start Kubernetes Kind cluster
           command: e2e/bootstrap.sh
       - run:
-          name: Install podinfo with Helm
+          name: Install podinfo with Helm v3
           command: e2e/install.sh
       - run:
           name: Run Helm tests
@@ -19,12 +19,12 @@ jobs:
 
   push-container:
     docker:
-      - image: circleci/golang:1.12
+      - image: circleci/golang:1.14
     working_directory: ~/build
     steps:
       - checkout
       - setup_remote_docker:
-          docker_layer_caching: true
+          docker_layer_caching: false
       - run: make build-container
       - run: |
           if [ -z "$CIRCLE_TAG" ]; then
@@ -33,18 +33,19 @@ jobs:
             echo $DOCKER_PASS | docker login -u $DOCKER_USER --password-stdin;
             echo $QUAY_PASS | docker login -u $QUAY_USER --password-stdin quay.io;
             make push-container;
+            make push-base;
           fi
 
   push-binary:
     docker:
-      - image: circleci/golang:1.12
+      - image: circleci/golang:1.14
     steps:
       - checkout
       - run: curl -sL https://git.io/goreleaser | bash
 
   push-helm-charts:
     docker:
-      - image: circleci/golang:1.12
+      - image: circleci/golang:1.14
     steps:
       - checkout
       - run:

.github/policy/kubernetes.rego

@@ -0,0 +1,51 @@
+package kubernetes
+
+name = input.metadata.name
+
+kind = input.kind
+
+is_service {
+	input.kind = "Service"
+}
+
+is_deployment {
+	input.kind = "Deployment"
+}
+
+is_pod {
+	input.kind = "Pod"
+}
+
+split_image(image) = [image, "latest"] {
+	not contains(image, ":")
+}
+
+split_image(image) = [image_name, tag] {
+	[image_name, tag] = split(image, ":")
+}
+
+pod_containers(pod) = all_containers {
+	keys = {"containers", "initContainers"}
+	all_containers = [c | keys[k]; c = pod.spec[k][_]]
+}
+
+containers[container] {
+	pods[pod]
+	all_containers = pod_containers(pod)
+	container = all_containers[_]
+}
+
+containers[container] {
+	all_containers = pod_containers(input)
+	container = all_containers[_]
+}
+
+pods[pod] {
+	is_deployment
+	pod = input.spec.template
+}
+
+pods[pod] {
+	is_pod
+	pod = input
+}

.github/policy/rules.rego

@@ -0,0 +1,43 @@
+package main
+
+import data.kubernetes
+
+name = input.metadata.name
+
+# Deny containers with latest image tag
+deny[msg] {
+	kubernetes.containers[container]
+	[image_name, "latest"] = kubernetes.split_image(container.image)
+	msg = sprintf("%s in the %s %s has an image %s, using the latest tag", [container.name, kubernetes.kind, kubernetes.name, image_name])
+}
+
+# Deny services without app label selector
+service_labels {
+  input.spec.selector["app"]
+}
+deny[msg] {
+  kubernetes.is_service
+  not service_labels
+  msg = sprintf("Service %s should set app label selector", [name])
+}
+
+# Deny deployments without app label selector
+match_labels {
+  input.spec.selector.matchLabels["app"]
+}
+deny[msg] {
+  kubernetes.is_deployment
+  not match_labels
+  msg = sprintf("Service %s should set app label selector", [name])
+}
+
+# Warn if deployments have no prometheus pod annotations
+annotations {
+  input.spec.template.metadata.annotations["prometheus.io/scrape"]
+  input.spec.template.metadata.annotations["prometheus.io/port"]
+}
+warn[msg] {
+  kubernetes.is_deployment
+  not annotations
+  msg = sprintf("Deployment %s should set prometheus.io/scrape and prometheus.io/port pod annotations", [name])
+}

.github/workflows/test.yml

@@ -0,0 +1,17 @@
+on: [push, pull_request]
+name: test
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: kubeval
+        uses: stefanprodan/kube-tools@v1
+        with:
+          command: |
+            kustomize build ./kustomize | kubeval --strict
+      - name: conftest
+        uses: stefanprodan/kube-tools@v1
+        with:
+          command: |
+            kustomize build ./kustomize | conftest test -p .github/policy -

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.12 as builder
+FROM golang:1.14 as builder
 
 RUN mkdir -p /podinfo/
 
@@ -6,7 +6,7 @@ WORKDIR /podinfo
 
 COPY . .
 
-RUN GOPROXY=https://proxy.golang.org go mod download
+RUN go mod download
 
 RUN go test -v -race ./...
 
@@ -20,7 +20,7 @@ RUN GIT_COMMIT=$(git rev-list -1 HEAD) && \
     -X github.com/stefanprodan/podinfo/pkg/version.REVISION=${GIT_COMMIT}" \
     -a -o bin/podcli cmd/podcli/*
 
-FROM alpine:3.10
+FROM alpine:3.11
 
 RUN addgroup -S app \
     && adduser -S -g app app \

Dockerfile.base

@@ -0,0 +1,10 @@
+FROM golang:1.14
+
+WORKDIR /workspace
+
+# copy modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+
+# cache modules
+RUN go mod download

Makefile

@@ -8,16 +8,23 @@ DOCKER_REPOSITORY:=stefanprodan
 DOCKER_IMAGE_NAME:=$(DOCKER_REPOSITORY)/$(NAME)
 GIT_COMMIT:=$(shell git describe --dirty --always)
 VERSION:=$(shell grep 'VERSION' pkg/version/version.go | awk '{ print $$4 }' | tr -d '"')
+EXTRA_RUN_ARGS?=
 
 run:
-	GO111MODULE=on go run -ldflags "-s -w -X github.com/stefanprodan/podinfo/pkg/version.REVISION=$(GIT_COMMIT)" cmd/podinfo/* --level=debug --grpc-port=9999 --backend-url=https://httpbin.org/status/401 --backend-url=https://httpbin.org/status/500
+	go run -ldflags "-s -w -X github.com/stefanprodan/podinfo/pkg/version.REVISION=$(GIT_COMMIT)" cmd/podinfo/* \
+	--level=debug --grpc-port=9999 --backend-url=https://httpbin.org/status/401 --backend-url=https://httpbin.org/status/500 \
+	--ui-logo=https://raw.githubusercontent.com/stefanprodan/podinfo/gh-pages/cuddle_clap.gif $(EXTRA_RUN_ARGS)
 
 test:
-	GO111MODULE=on go test -v -race ./...
+	go test -v -race ./...
 
 build:
-	GO111MODULE=on GIT_COMMIT=$$(git rev-list -1 HEAD) && GO111MODULE=on CGO_ENABLED=0 go build  -ldflags "-s -w -X github.com/stefanprodan/podinfo/pkg/version.REVISION=$(GIT_COMMIT)" -a -o ./bin/podinfo ./cmd/podinfo/*
-	GO111MODULE=on GIT_COMMIT=$$(git rev-list -1 HEAD) && GO111MODULE=on CGO_ENABLED=0 go build  -ldflags "-s -w -X github.com/stefanprodan/podinfo/pkg/version.REVISION=$(GIT_COMMIT)" -a -o ./bin/podcli ./cmd/podcli/*
+	GIT_COMMIT=$$(git rev-list -1 HEAD) && CGO_ENABLED=0 go build  -ldflags "-s -w -X github.com/stefanprodan/podinfo/pkg/version.REVISION=$(GIT_COMMIT)" -a -o ./bin/podinfo ./cmd/podinfo/*
+	GIT_COMMIT=$$(git rev-list -1 HEAD) && CGO_ENABLED=0 go build  -ldflags "-s -w -X github.com/stefanprodan/podinfo/pkg/version.REVISION=$(GIT_COMMIT)" -a -o ./bin/podcli ./cmd/podcli/*
+
+fmt:
+	gofmt -l -s -w ./
+	goimports -l -w ./
 
 build-charts:
 	helm lint charts/*
@@ -26,6 +33,12 @@ build-charts:
 build-container:
 	docker build -t $(DOCKER_IMAGE_NAME):$(VERSION) .
 
+build-base:
+	docker build -f Dockerfile.base -t $(DOCKER_REPOSITORY)/podinfo-base:latest .
+
+push-base: build-base
+	docker push $(DOCKER_REPOSITORY)/podinfo-base:latest
+
 test-container:
 	@docker rm -f podinfo || true
 	@docker run -dp 9898:9898 --name=podinfo $(DOCKER_IMAGE_NAME):$(VERSION)
@@ -50,6 +63,10 @@ version-set:
 	sed -i '' "s/appVersion: $$current/appVersion: $$next/g" charts/podinfo/Chart.yaml && \
 	sed -i '' "s/version: $$current/version: $$next/g" charts/podinfo/Chart.yaml && \
 	sed -i '' "s/podinfo:$$current/podinfo:$$next/g" kustomize/deployment.yaml && \
+	sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/webapp/frontend/deployment.yaml && \
+	sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/webapp/backend/deployment.yaml && \
+	sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/bases/frontend/deployment.yaml && \
+	sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/bases/backend/deployment.yaml && \
 	echo "Version $$next set in code, deployment, chart and kustomize"
 
 release:
@@ -57,5 +74,5 @@ release:
 	git push origin $(VERSION)
 
 swagger:
-	GO111MODULE=on go get github.com/swaggo/swag/cmd/swag
+	go get github.com/swaggo/swag/cmd/swag
 	cd pkg/api && $$(go env GOPATH)/bin/swag init -g server.go

README.md

@@ -1,10 +1,11 @@
 # podinfo
 
 [![CircleCI](https://circleci.com/gh/stefanprodan/podinfo.svg?style=svg)](https://circleci.com/gh/stefanprodan/podinfo)
+[![conftest](https://github.com/stefanprodan/podinfo/workflows/test/badge.svg)](https://github.com/stefanprodan/podinfo/blob/master/.github/workflows/test.yml)
+[![Go Report Card](https://goreportcard.com/badge/github.com/stefanprodan/podinfo)](https://goreportcard.com/report/github.com/stefanprodan/podinfo)
 [![Docker Pulls](https://img.shields.io/docker/pulls/stefanprodan/podinfo)](https://hub.docker.com/r/stefanprodan/podinfo)
 
-Podinfo is a tiny web application made with Go 
-that showcases best practices of running microservices in Kubernetes.
+Podinfo is a tiny web application made with Go that showcases best practices of running microservices in Kubernetes.
 
 Specifications:
 
@@ -13,12 +14,14 @@ Specifications:
 * File watcher for secrets and configmaps
 * Instrumented with Prometheus
 * Tracing with Istio and Jaeger
+* Linkerd service profile
 * Structured logging with zap 
 * 12-factor app with viper
 * Fault injection (random errors and latency)
 * Swagger docs
 * Helm and Kustomize installers
 * End-to-End testing with Kubernetes Kind and Helm
+* Kustomize testing with GitHub Actions and Open Policy Agent
 
 Web API:
 
@@ -50,36 +53,40 @@ gRPC API:
 
 Web UI:
 
-![podinfo-ui](https://raw.githubusercontent.com/stefanprodan/podinfo/gh-pages/screens/podinfo-ui.png)
+![podinfo-ui](https://raw.githubusercontent.com/stefanprodan/podinfo/gh-pages/screens/podinfo-ui-v3.png)
 
 To access the Swagger UI open `<podinfo-host>/swagger/index.html` in a browser.
 
 ### Guides
 
+* [GitOps Progressive Deliver with Flagger, Helm v3 and Linkerd](https://helm.workshop.flagger.dev/intro/)
+* [GitOps Progressive Deliver on EKS with Flagger and AppMesh](https://eks.handson.flagger.dev/prerequisites/)
 * [Automated canary deployments with Flagger and Istio](https://medium.com/google-cloud/automated-canary-deployments-with-flagger-and-istio-ac747827f9d1)
 * [Kubernetes autoscaling with Istio metrics](https://medium.com/google-cloud/kubernetes-autoscaling-with-istio-metrics-76442253a45a)
+* [Autoscaling EKS on Fargate with custom metrics](https://aws.amazon.com/blogs/containers/autoscaling-eks-on-fargate-with-custom-metrics/)
 * [Managing Helm releases the GitOps way](https://medium.com/google-cloud/managing-helm-releases-the-gitops-way-207a6ac6ff0e)
-* [Expose Kubernetes services over HTTPS with Ngrok](https://stefanprodan.com/2018/expose-kubernetes-services-over-http-with-ngrok/)
+* [Securing EKS Ingress With Contour And Let’s Encrypt The GitOps Way](https://aws.amazon.com/blogs/containers/securing-eks-ingress-contour-lets-encrypt-gitops/)
 
 ### Install
 
 Helm:
 
 ```bash
-helm repo add sp https://stefanprodan.github.io/podinfo
+helm repo add podinfo https://stefanprodan.github.io/podinfo
 
 helm upgrade --install --wait frontend \
 --namespace test \
 --set replicaCount=2 \
 --set backend=http://backend-podinfo:9898/echo \
-sp/podinfo
+podinfo/podinfo
 
-helm test frontend --cleanup
+# Test pods have hook-delete-policy: hook-succeeded
+helm test frontend
 
 helm upgrade --install --wait backend \
 --namespace test \
 --set hpa.enabled=true \
-sp/podinfo
+podinfo/podinfo
 ```
 
 Kustomize:

charts/podinfo/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
-version: 3.1.0
-appVersion: 3.1.0
+version: 3.2.4
+appVersion: 3.2.4
 name: podinfo
 engine: gotpl
 description: Podinfo Helm chart for Kubernetes

charts/podinfo/README.md

@@ -29,49 +29,61 @@ The command removes all the Kubernetes components associated with the chart and
 
 The following tables lists the configurable parameters of the podinfo chart and their default values.
 
-Parameter | Description | Default
+Parameter | Default | Description
 --- | --- | ---
-`affinity` | node/pod affinities | None
-`backend` | echo backend URL | None
-`backends` | echo backend URL array | None
-`faults.delay` | random HTTP response delays between 0 and 5 seconds | `false`
-`faults.error` | 1/3 chances of a random HTTP response error | `false`
-`hpa.enabled` | enables HPA | `false`
-`hpa.cpu` | target CPU usage per pod | None
-`hpa.memory` | target memory usage per pod | None
-`hpa.requests` | target requests per second per pod | None
-`hpa.maxReplicas` | maximum pod replicas | `10`
-`image.pullPolicy` | image pull policy | `IfNotPresent`
-`image.repository` | image repository | `stefanprodan/podinfo`
-`image.tag` | image tag | `<VERSION>`
-`ingress.enabled` | enables ingress | `false`
-`ingress.annotations` | ingress annotations | None
-`ingress.hosts` | ingress accepted hostnames | None
-`ingress.tls` | ingress TLS configuration | None
-`message` | UI greetings message | None
-`nodeSelector` | node labels for pod assignment | `{}`
-`replicaCount` | desired number of pods | `2`
-`resources.requests/cpu` | pod CPU request | `1m`
-`resources.requests/memory` | pod memory request | `16Mi`
-`resources.limits/cpu` | pod CPU limit | None
-`resources.limits/memory` | pod memory limit | None
-`service.enabled` | create Kubernetes service (should be disabled when using Flagger) | `true`
-`service.metricsPort` | Prometheus metrics endpoint port | `9797`
-`service.externalPort` | ClusterIP HTTP port | `9898`
-`service.httpPort` | container HTTP port | `9898`
-`service.nodePort` | NodePort for the HTTP endpoint | `31198`
-`service.grpcPort` | ClusterIP gPRC port | `9999`
-`service.grpcService` | gPRC service name | `podinfo`
-`service.type` | type of service | `ClusterIP`
-`tolerations` | list of node taints to tolerate | `[]`
-`serviceAccount.enabled` | specifies whether a service account should be created | `false`
-`serviceAccount.name` | the name of the service account to use, if not set and create is true, a name is generated using the fullname template | None
+`replicaCount` | `1` | Desired number of pods
+`logLevel` | `info` | Log level: `debug`, `info`, `warn`, `error`, `flat` or `panic`
+`backend` | `None` | Echo backend URL
+`backends` | `[]` | Array of echo backend URLs
+`ui.color` | `#34577c` |  UI color
+`ui.message` | `None` |  UI greetings message
+`ui.logo` | `None` |  UI logo
+`faults.delay` | `false` | Random HTTP response delays between 0 and 5 seconds
+`faults.error` | `false` | 1/3 chances of a random HTTP response error
+`faults.unhealthy` | `false` | When set, the healthy state is never reached
+`faults.unready` | `false` | When set, the ready state is never reached
+`faults.testFail` | `false` | When set, a helm test is included which always fails
+`faults.testTimeout` | `false` | When set, a helm test is included which always times out
+`h2c.enabled` | `false` | Allow upgrading to h2c
+`image.repository` | `stefanprodan/podinfo` | Image repository
+`image.tag` | `<VERSION>` | Image tag
+`image.pullPolicy` | `IfNotPresent` | Image pull policy
+`service.enabled` | `true` | Create a Kubernetes Service, should be disabled when using [Flagger](https://flagger.app)
+`service.type` | `ClusterIP` | Type of the Kubernetes Service
+`service.metricsPort` | `9797` | Prometheus metrics endpoint port
+`service.httpPort` | `9898` | Container HTTP port
+`service.externalPort` | `9898` | ClusterIP HTTP port
+`service.grpcPort` | `9999` | ClusterIP gPRC port
+`service.grpcService` | `podinfo` | gPRC service name
+`service.nodePort` | `31198` | NodePort for the HTTP endpoint
+`hpa.enabled` | `false` | Enables the Kubernetes HPA
+`hpa.maxReplicas` | `10` | Maximum amount of pods
+`hpa.cpu` | `None` | Target CPU usage per pod
+`hpa.memory` | `None` | Target memory usage per pod
+`hpa.requests` | `None` | Target HTTP requests per second per pod
+`serviceAccount.enabled` | `false` | Whether a service account should be created
+`serviceAccount.name` | `None` | The name of the service account to use, if not set and create is true, a name is generated using the fullname template
+`linkerd.profile.enabled` | `false` | Create Linkerd service profile
+`serviceMonitor.enabled` | `false` | Whether a Prometheus Operator service monitor should be created
+`serviceMonitor.interval` | `15s` | Prometheus scraping interval
+`ingress.enabled` | `false` | Enables Ingress
+`ingress.annotations` | `{}` | Ingress annotations
+`ingress.path` | `/*` | Ingress path
+`ingress.hosts` | `[]` | Ingress accepted hosts
+`ingress.tls` | `[]` | Ingress TLS configuration
+`resources.requests.cpu` | `1m` | Pod CPU request
+`resources.requests.memory` | `16Mi` | Pod memory request
+`resources.limits.cpu` | `None` | Pod CPU limit
+`resources.limits.memory` | `None` | Pod memory limit
+`nodeSelector` | `{}` | Node labels for pod assignment
+`tolerations` | `[]` | List of node taints to tolerate
+`affinity` | `None` | Node/pod affinities
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
 
 ```console
 $ helm install stable/podinfo --name my-release \
-  --set=image.tag=0.0.2,service.type=NodePort
+  --set=serviceMonitor.enabled=true,serviceMonitor.interval=5s
 ```
 
 Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,
@@ -81,5 +93,3 @@ $ helm install stable/podinfo --name my-release -f values.yaml
 ```
 
 > **Tip**: You can use the default [values.yaml](values.yaml)
-```
-

charts/podinfo/templates/NOTES.txt

@@ -11,9 +11,8 @@
      NOTE: It may take a few minutes for the LoadBalancer IP to be available.
            You can watch the status of by running 'kubectl get svc -w {{ template "podinfo.fullname" . }}'
   export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "podinfo.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
-  echo http://$SERVICE_IP:{{ .Values.service.port }}
+  echo http://$SERVICE_IP:{{ .Values.service.externalPort }}
 {{- else if contains "ClusterIP" .Values.service.type }}
-  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "podinfo.name" . }},release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
   echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl port-forward $POD_NAME 8080:{{ .Values.service.externalPort }}
+  kubectl -n {{ .Release.Namespace }} port-forward deploy/{{ template "podinfo.fullname" . }} 8080:{{ .Values.service.externalPort }}
 {{- end }}

charts/podinfo/templates/deployment.yaml

@@ -3,7 +3,7 @@ kind: Deployment
 metadata:
   name: {{ template "podinfo.fullname" . }}
   labels:
-    app: {{ template "podinfo.name" . }}
+    app: {{ template "podinfo.fullname" . }}
     chart: {{ template "podinfo.chart" . }}
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}
@@ -17,13 +17,11 @@ spec:
       maxUnavailable: 1
   selector:
     matchLabels:
-      app: {{ template "podinfo.name" . }}
-      release: {{ .Release.Name }}
+      app: {{ template "podinfo.fullname" . }}
   template:
     metadata:
       labels:
-        app: {{ template "podinfo.name" . }}
-        release: {{ .Release.Name }}
+        app: {{ template "podinfo.fullname" . }}
       annotations:
         prometheus.io/scrape: "true"
         prometheus.io/port: "{{ .Values.service.httpPort }}"
@@ -54,10 +52,27 @@ spec:
             - --level={{ .Values.logLevel }}
             - --random-delay={{ .Values.faults.delay }}
             - --random-error={{ .Values.faults.error }}
+            {{- if .Values.faults.unhealthy }}
+            - --unhealthy
+            {{- end }}
+            {{- if .Values.faults.unready }}
+            - --unready
+            {{- end }}
+            {{- if .Values.h2c.enabled }}
+            - --h2c
+            {{- end }}
           env:
-          {{- if .Values.message }}
+          {{- if .Values.ui.message }}
           - name: PODINFO_UI_MESSAGE
-            value: {{ .Values.message }}
+            value: {{ quote .Values.ui.message }}
+          {{- end }}
+          {{- if .Values.ui.logo }}
+          - name: PODINFO_UI_LOGO
+            value: {{ .Values.ui.logo }}
+          {{- end }}
+          {{- if .Values.ui.color }}
+          - name: PODINFO_UI_COLOR
+            value: {{ .Values.ui.color }}
           {{- end }}
           {{- if .Values.backend }}
           - name: PODINFO_BACKEND_URL

charts/podinfo/templates/hpa.yaml

@@ -5,7 +5,7 @@ metadata:
   name: {{ template "podinfo.fullname" . }}
 spec:
   scaleTargetRef:
-    apiVersion: apps/v1beta2
+    apiVersion: apps/v1
     kind: Deployment
     name: {{ template "podinfo.fullname" . }}
   minReplicas: {{ .Values.replicaCount }}

charts/podinfo/templates/ingress.yaml

@@ -1,6 +1,5 @@
 {{- if .Values.ingress.enabled -}}
 {{- $fullName := include "podinfo.fullname" . -}}
-{{- $servicePort := .Values.service.port -}}
 {{- $ingressPath := .Values.ingress.path -}}
 apiVersion: extensions/v1beta1
 kind: Ingress

charts/podinfo/templates/linkerd.yaml

@@ -0,0 +1,88 @@
+{{- if .Values.linkerd.profile.enabled -}}
+apiVersion: linkerd.io/v1alpha2
+kind: ServiceProfile
+metadata:
+  name: {{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local
+spec:
+  routes:
+    - condition:
+        method: GET
+        pathRegex: /
+      name: GET /
+    - condition:
+        method: POST
+        pathRegex: /api/echo
+      name: POST /api/echo
+    - condition:
+        method: GET
+        pathRegex: /api/info
+      name: GET /api/info
+    - condition:
+        method: GET
+        pathRegex: /chunked/[^/]*
+      name: GET /chunked/{seconds}
+    - condition:
+        method: GET
+        pathRegex: /delay/[^/]*
+      name: GET /delay/{seconds}
+    - condition:
+        method: GET
+        pathRegex: /env
+      name: GET /env
+    - condition:
+        method: GET
+        pathRegex: /headers
+      name: GET /headers
+    - condition:
+        method: GET
+        pathRegex: /healthz
+      name: GET /healthz
+    - condition:
+        method: GET
+        pathRegex: /metrics
+      name: GET /metrics
+    - condition:
+        method: GET
+        pathRegex: /panic
+      name: GET /panic
+    - condition:
+        method: GET
+        pathRegex: /readyz
+      name: GET /readyz
+    - condition:
+        method: POST
+        pathRegex: /readyz/disable
+      name: POST /readyz/disable
+    - condition:
+        method: POST
+        pathRegex: /readyz/enable
+      name: POST /readyz/enable
+    - condition:
+        method: GET
+        pathRegex: /status/[^/]*
+      name: GET /status/{code}
+    - condition:
+        method: POST
+        pathRegex: /store
+      name: POST /store
+    - condition:
+        method: GET
+        pathRegex: /store/[^/]*
+      name: GET /store/{hash}
+    - condition:
+        method: POST
+        pathRegex: /token
+      name: POST /token
+    - condition:
+        method: POST
+        pathRegex: /token/validate
+      name: POST /token/validate
+    - condition:
+        method: GET
+        pathRegex: /version
+      name: GET /version
+    - condition:
+        method: POST
+        pathRegex: /ws/echo
+      name: POST /ws/echo
+{{- end }}

charts/podinfo/templates/service.yaml

@@ -25,6 +25,5 @@ spec:
       name: grpc
     {{- end }}
   selector:
-    app: {{ template "podinfo.name" . }}
-    release: {{ .Release.Name }}
+    app: {{ template "podinfo.fullname" . }}
 {{- end }}

charts/podinfo/templates/servicemonitor.yaml

@@ -0,0 +1,19 @@
+{{- if .Values.serviceMonitor.enabled -}}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ template "podinfo.fullname" . }}
+  labels:
+    app: {{ template "podinfo.name" . }}
+    chart: {{ template "podinfo.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  endpoints:
+    - path: /metrics
+      port: http
+      interval: {{ .Values.serviceMonitor.interval }}
+  selector:
+    matchLabels:
+      app: {{ template "podinfo.fullname" . }}
+{{- end }}

charts/podinfo/templates/tests/fail.yaml

@@ -0,0 +1,26 @@
+{{- if .Values.faults.test }}
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ template "podinfo.fullname" . }}-fault-test-{{ randAlphaNum 5 | lower }}
+  labels:
+    heritage: {{ .Release.Service }}
+    release: {{ .Release.Name }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+    app: {{ template "podinfo.name" . }}
+  annotations:
+    "helm.sh/hook": test
+    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
+    sidecar.istio.io/inject: "false"
+    linkerd.io/inject: disabled
+    appmesh.k8s.aws/sidecarInjectorWebhook: disabled
+spec:
+  template:
+    spec:
+      containers:
+        - name: fault
+          image: alpine:3.11
+          command: ['/bin/sh']
+          args:  ['-c', 'exit 1']
+      restartPolicy: Never
+{{- end }}

charts/podinfo/templates/tests/grpc.yaml

@@ -1,5 +1,5 @@
-apiVersion: v1
-kind: Pod
+apiVersion: batch/v1
+kind: Job
 metadata:
   name: {{ template "podinfo.fullname" . }}-grpc-test-{{ randAlphaNum 5 | lower }}
   labels:
@@ -8,11 +8,17 @@ metadata:
     chart: {{ .Chart.Name }}-{{ .Chart.Version }}
     app: {{ template "podinfo.name" . }}
   annotations:
-    "helm.sh/hook": test-success
+    "helm.sh/hook": test
+    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
+    sidecar.istio.io/inject: "false"
+    linkerd.io/inject: disabled
+    appmesh.k8s.aws/sidecarInjectorWebhook: disabled
 spec:
-  containers:
-    - name: grpc-health-probe
-      image: stefanprodan/grpc_health_probe:v0.3.0
-      command: ['grpc_health_probe']
-      args:  ['-addr={{ template "podinfo.fullname" . }}:{{ .Values.service.grpcPort }}']
-  restartPolicy: Never
+  template:
+    spec:
+      containers:
+        - name: grpc-health-probe
+          image: stefanprodan/grpc_health_probe:v0.3.0
+          command: ['grpc_health_probe']
+          args:  ['-addr={{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.service.grpcPort }}']
+      restartPolicy: Never

charts/podinfo/templates/tests/jwt.yaml

@@ -1,5 +1,5 @@
-apiVersion: v1
-kind: Pod
+apiVersion: batch/v1
+kind: Job
 metadata:
   name: {{ template "podinfo.fullname" . }}-jwt-test-{{ randAlphaNum 5 | lower }}
   labels:
@@ -8,19 +8,24 @@ metadata:
     chart: {{ .Chart.Name }}-{{ .Chart.Version }}
     app: {{ template "podinfo.name" . }}
   annotations:
-    "helm.sh/hook": test-success
+    "helm.sh/hook": test
+    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
+    sidecar.istio.io/inject: "false"
+    linkerd.io/inject: disabled
+    appmesh.k8s.aws/sidecarInjectorWebhook: disabled
 spec:
-  containers:
-    - name: tools
-      image: giantswarm/tiny-tools
-      command:
-        - sh
-        - -c
-        - |
-          TOKEN=$(curl -sd 'test' ${PODINFO_SVC}/token | jq -r .token) &&
-          curl -H "Authorization: Bearer ${TOKEN}" ${PODINFO_SVC}/token/validate | grep test
-      env:
-      - name: PODINFO_SVC
-        value: {{ template "podinfo.fullname" . }}:{{ .Values.service.externalPort }}
-  restartPolicy: Never
-
+  template:
+    spec:
+      containers:
+        - name: tools
+          image: giantswarm/tiny-tools
+          command:
+            - sh
+            - -c
+            - |
+              TOKEN=$(curl -sd 'test' ${PODINFO_SVC}/token | jq -r .token) &&
+              curl -sH "Authorization: Bearer ${TOKEN}" ${PODINFO_SVC}/token/validate | grep test
+          env:
+          - name: PODINFO_SVC
+            value: "{{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.service.externalPort }}"
+      restartPolicy: Never

charts/podinfo/templates/tests/service.yaml

@@ -1,5 +1,5 @@
-apiVersion: v1
-kind: Pod
+apiVersion: batch/v1
+kind: Job
 metadata:
   name: {{ template "podinfo.fullname" . }}-service-test-{{ randAlphaNum 5 | lower }}
   labels:
@@ -8,11 +8,23 @@ metadata:
     chart: {{ .Chart.Name }}-{{ .Chart.Version }}
     app: {{ template "podinfo.name" . }}
   annotations:
-    "helm.sh/hook": test-success
+    "helm.sh/hook": test
+    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
+    sidecar.istio.io/inject: "false"
+    linkerd.io/inject: disabled
+    appmesh.k8s.aws/sidecarInjectorWebhook: disabled
 spec:
-  containers:
-    - name: curl
-      image: radial/busyboxplus:curl
-      command: ['curl']
-      args:  ['{{ template "podinfo.fullname" . }}:{{ .Values.service.externalPort }}']
-  restartPolicy: Never
+  template:
+    spec:
+      containers:
+        - name: curl
+          image: curlimages/curl:7.69.0
+          command:
+            - sh
+            - -c
+            - |
+              curl -s ${PODINFO_SVC}/api/info | grep version
+          env:
+            - name: PODINFO_SVC
+              value: "{{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.service.externalPort }}"
+      restartPolicy: Never

charts/podinfo/templates/tests/timeout.yaml

@@ -0,0 +1,26 @@
+{{- if .Values.faults.test }}
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ template "podinfo.fullname" . }}-fault-test-{{ randAlphaNum 5 | lower }}
+  labels:
+    heritage: {{ .Release.Service }}
+    release: {{ .Release.Name }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+    app: {{ template "podinfo.name" . }}
+  annotations:
+    "helm.sh/hook": test
+    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
+    sidecar.istio.io/inject: "false"
+    linkerd.io/inject: disabled
+    appmesh.k8s.aws/sidecarInjectorWebhook: disabled
+spec:
+  template:
+    spec:
+      containers:
+        - name: fault
+          image: alpine:3.11
+          command: ['/bin/sh']
+          args:  ['-c', 'while sleep 3600; do :; done']
+      restartPolicy: Never
+{{- end }}

charts/podinfo/values.yaml

@@ -4,15 +4,26 @@ replicaCount: 1
 logLevel: info
 backend: #http://backend-podinfo:9898/echo
 backends: []
-message: #UI greetings
+
+ui:
+  color: "#34577c"
+  message: ""
+  logo: ""
 
 faults:
   delay: false
   error: false
+  unhealthy: false
+  unready: false
+  testFail: false
+  testTimeout: false
+
+h2c:
+  enabled: false
 
 image:
   repository: stefanprodan/podinfo
-  tag: 3.1.0
+  tag: 3.2.4
   pullPolicy: IfNotPresent
 
 service:
@@ -43,6 +54,14 @@ serviceAccount:
   # If not set and create is true, a name is generated using the fullname template
   name:
 
+linkerd:
+  profile:
+    enabled: false
+
+serviceMonitor:
+  enabled: false
+  interval: 15s
+
 ingress:
   enabled: false
   annotations: {}

cmd/podcli/main.go

@@ -2,11 +2,12 @@ package main
 
 import (
 	"fmt"
-	"github.com/spf13/cobra"
-	"go.uber.org/zap"
 	"log"
 	"os"
 	"strings"
+
+	"github.com/spf13/cobra"
+	"go.uber.org/zap"
 )
 
 var rootCmd = &cobra.Command{

cmd/podcli/version.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+
 	"github.com/spf13/cobra"
 	"github.com/stefanprodan/podinfo/pkg/version"
 )

cmd/podinfo/main.go

@@ -36,11 +36,15 @@ func main() {
 	fs.String("config-path", "", "config dir path")
 	fs.String("config", "config.yaml", "config file name")
 	fs.String("ui-path", "./ui", "UI local path")
-	fs.String("ui-color", "blue", "UI color")
+	fs.String("ui-logo", "", "UI logo")
+	fs.String("ui-color", "#34577c", "UI color")
 	fs.String("ui-message", fmt.Sprintf("greetings from podinfo v%v", version.VERSION), "UI message")
+	fs.Bool("h2c", false, "allow upgrading to H2C")
 	fs.Bool("random-delay", false, "between 0 and 5 seconds random delay")
 	fs.Bool("random-error", false, "1/3 chances of a random response error")
-	fs.Int("stress-cpu", 0, "Number of CPU cores with 100 load")
+	fs.Bool("unhealthy", false, "when set, healthy state is never reached")
+	fs.Bool("unready", false, "when set, ready state is never reached")
+	fs.Int("stress-cpu", 0, "number of CPU cores with 100 load")
 	fs.Int("stress-memory", 0, "MB of data to load into memory")
 
 	versionFlag := fs.BoolP("version", "v", false, "get version number")
@@ -64,6 +68,7 @@ func main() {
 	viper.RegisterAlias("backendUrl", "backend-url")
 	hostname, _ := os.Hostname()
 	viper.SetDefault("jwt-secret", "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9")
+	viper.SetDefault("ui-logo", "https://raw.githubusercontent.com/stefanprodan/podinfo/gh-pages/cuddle_clap.gif")
 	viper.Set("hostname", hostname)
 	viper.Set("version", version.VERSION)
 	viper.Set("revision", version.REVISION)

deploy/README.md

@@ -0,0 +1,32 @@
+# Deploy demo webapp 
+
+Demo webapp manifests:
+- [common](webapp/common)
+- [frontend](webapp/frontend)
+- [backend](webapp/backend)
+
+Deploy the demo in `webapp` namespace:
+
+```bash
+kubectl apply -f ./webapp/common
+kubectl apply -f ./webapp/backend
+kubectl apply -f ./webapp/frontend
+```
+
+Deploy the demo in the `dev` namespace:
+
+```bash
+kustomize build ./overlays/dev | kubectl apply -f-
+```
+
+Deploy the demo in the `staging` namespace:
+
+```bash
+kustomize build ./overlays/staging | kubectl apply -f-
+```
+
+Deploy the demo in the `production` namespace:
+
+```bash
+kustomize build ./overlays/production | kubectl apply -f-
+```

deploy/bases/backend/deployment.yaml

@@ -0,0 +1,72 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: backend
+spec:
+  minReadySeconds: 3
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 60
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: backend
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "9797"
+      labels:
+        app: backend
+    spec:
+      containers:
+      - name: backend
+        image: stefanprodan/podinfo:3.2.4
+        imagePullPolicy: IfNotPresent
+        ports:
+        - name: http
+          containerPort: 9898
+          protocol: TCP
+        - name: http-metrics
+          containerPort: 9797
+          protocol: TCP
+        - name: grpc
+          containerPort: 9999
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=9898
+        - --port-metrics=9797
+        - --grpc-port=9999
+        - --grpc-service-name=backend
+        - --level=info
+        env:
+        - name: PODINFO_UI_COLOR
+          value: "#34577c"
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/healthz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/readyz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 2000m
+            memory: 512Mi
+          requests:
+            cpu: 100m
+            memory: 32Mi

deploy/bases/backend/hpa.yaml

@@ -0,0 +1,18 @@
+apiVersion: autoscaling/v2beta2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: backend
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: backend
+  minReplicas: 1
+  maxReplicas: 2
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 99

deploy/bases/backend/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - service.yaml
+  - deployment.yaml
+  - hpa.yaml
+

deploy/bases/backend/service.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: backend
+spec:
+  type: ClusterIP
+  selector:
+    app: backend
+  ports:
+    - name: http
+      port: 9898
+      protocol: TCP
+      targetPort: http
+    - port: 9999
+      targetPort: grpc
+      protocol: TCP
+      name: grpc

deploy/bases/frontend/deployment.yaml

@@ -0,0 +1,71 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend
+spec:
+  minReadySeconds: 3
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 60
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: frontend
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "9797"
+      labels:
+        app: frontend
+    spec:
+      containers:
+      - name: frontend
+        image: stefanprodan/podinfo:3.2.4
+        imagePullPolicy: IfNotPresent
+        ports:
+        - name: http
+          containerPort: 9898
+          protocol: TCP
+        - name: http-metrics
+          containerPort: 9797
+          protocol: TCP
+        - name: grpc
+          containerPort: 9999
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=9898
+        - --port-metrics=9797
+        - --level=info
+        - --backend-url=http://backend:9898/echo
+        env:
+        - name: PODINFO_UI_COLOR
+          value: "#34577c"
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/healthz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/readyz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 1000m
+            memory: 128Mi
+          requests:
+            cpu: 100m
+            memory: 32Mi

deploy/bases/frontend/hpa.yaml

@@ -0,0 +1,18 @@
+apiVersion: autoscaling/v2beta2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: frontend
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: frontend
+  minReplicas: 1
+  maxReplicas: 4
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 99

deploy/bases/frontend/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - service.yaml
+  - deployment.yaml
+  - hpa.yaml
+

deploy/bases/frontend/service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+spec:
+  type: ClusterIP
+  selector:
+    app: frontend
+  ports:
+    - name: http
+      port: 80
+      protocol: TCP
+      targetPort: http

deploy/overlays/dev/kustomization.yaml

@@ -0,0 +1,9 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: dev
+resources:
+  - ../../bases/backend
+  - ../../bases/frontend
+  - namespace.yaml
+transformers:
+  - labels.yaml

deploy/overlays/dev/labels.yaml

@@ -0,0 +1,10 @@
+apiVersion: builtin
+kind: LabelTransformer
+metadata:
+  name: labels
+labels:
+  env: dev
+  instance: webapp
+fieldSpecs:
+  - path: metadata/labels
+    create: true

deploy/overlays/dev/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: dev

deploy/overlays/production/kustomization.yaml

@@ -0,0 +1,9 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: production
+resources:
+  - ../../bases/backend
+  - ../../bases/frontend
+  - namespace.yaml
+transformers:
+  - labels.yaml

deploy/overlays/production/labels.yaml

@@ -0,0 +1,10 @@
+apiVersion: builtin
+kind: LabelTransformer
+metadata:
+  name: labels
+labels:
+  env: production
+  instance: webapp
+fieldSpecs:
+  - path: metadata/labels
+    create: true

deploy/overlays/production/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: production

deploy/overlays/staging/kustomization.yaml

@@ -0,0 +1,9 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: staging
+resources:
+  - ../../bases/backend
+  - ../../bases/frontend
+  - namespace.yaml
+transformers:
+  - labels.yaml

deploy/overlays/staging/labels.yaml

@@ -0,0 +1,10 @@
+apiVersion: builtin
+kind: LabelTransformer
+metadata:
+  name: labels
+labels:
+  env: staging
+  instance: webapp
+fieldSpecs:
+  - path: metadata/labels
+    create: true

deploy/overlays/staging/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: staging

deploy/webapp/backend/deployment.yaml

@@ -0,0 +1,74 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: backend
+  namespace: webapp
+spec:
+  minReadySeconds: 3
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 60
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: backend
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "9797"
+      labels:
+        app: backend
+    spec:
+      serviceAccountName: webapp
+      containers:
+      - name: backend
+        image: stefanprodan/podinfo:3.2.4
+        imagePullPolicy: IfNotPresent
+        ports:
+        - name: http
+          containerPort: 9898
+          protocol: TCP
+        - name: http-metrics
+          containerPort: 9797
+          protocol: TCP
+        - name: grpc
+          containerPort: 9999
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=9898
+        - --port-metrics=9797
+        - --grpc-port=9999
+        - --grpc-service-name=backend
+        - --level=info
+        env:
+        - name: PODINFO_UI_COLOR
+          value: "#34577c"
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/healthz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/readyz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 2000m
+            memory: 512Mi
+          requests:
+            cpu: 100m
+            memory: 32Mi

deploy/webapp/backend/hpa.yaml

@@ -0,0 +1,19 @@
+apiVersion: autoscaling/v2beta2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: backend
+  namespace: webapp
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: backend
+  minReplicas: 1
+  maxReplicas: 2
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 99

deploy/webapp/backend/service.yaml

@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: backend
+  namespace: webapp
+spec:
+  type: ClusterIP
+  selector:
+    app: backend
+  ports:
+    - name: http
+      port: 9898
+      protocol: TCP
+      targetPort: http
+    - port: 9999
+      targetPort: grpc
+      protocol: TCP
+      name: grpc

deploy/webapp/common/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: webapp

deploy/webapp/common/reconciler-rbac.yaml

@@ -0,0 +1,29 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: reconciler
+  namespace: webapp
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: reconciler
+  namespace: webapp
+rules:
+  - apiGroups: ['*']
+    resources: ['*']
+    verbs: ['*']
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: reconciler
+  namespace: webapp
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: reconciler
+subjects:
+  - kind: ServiceAccount
+    name: reconciler
+    namespace: webapp

deploy/webapp/common/service-account.yaml

@@ -0,0 +1,5 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: webapp
+  namespace: webapp

deploy/webapp/frontend/deployment.yaml

@@ -0,0 +1,73 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend
+  namespace: webapp
+spec:
+  minReadySeconds: 3
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 60
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: frontend
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "9797"
+      labels:
+        app: frontend
+    spec:
+      serviceAccountName: webapp
+      containers:
+      - name: frontend
+        image: stefanprodan/podinfo:3.2.4
+        imagePullPolicy: IfNotPresent
+        ports:
+        - name: http
+          containerPort: 9898
+          protocol: TCP
+        - name: http-metrics
+          containerPort: 9797
+          protocol: TCP
+        - name: grpc
+          containerPort: 9999
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=9898
+        - --port-metrics=9797
+        - --level=info
+        - --backend-url=http://backend:9898/echo
+        env:
+        - name: PODINFO_UI_COLOR
+          value: "#34577c"
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/healthz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/readyz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 1000m
+            memory: 128Mi
+          requests:
+            cpu: 100m
+            memory: 32Mi

deploy/webapp/frontend/hpa.yaml

@@ -0,0 +1,19 @@
+apiVersion: autoscaling/v2beta2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: frontend
+  namespace: webapp
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: backend
+  minReplicas: 1
+  maxReplicas: 4
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 99

deploy/webapp/frontend/service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+  namespace: webapp
+spec:
+  type: ClusterIP
+  selector:
+    app: frontend
+  ports:
+    - name: http
+      port: 80
+      protocol: TCP
+      targetPort: http

e2e/README.md

@@ -7,11 +7,11 @@ The e2e testing infrastructure is powered by CircleCI and [Kubernetes Kind](http
 * download go modules
 * run unit tests
 * build container
-* install kubectl, helm and Kubernetes Kind CLIs
+* install kubectl, Helm v3 and Kubernetes Kind CLIs
 * create local Kubernetes cluster with kind
-* deploy Tiller on the local cluster
 * load podinfo image onto the local cluster
 * deploy podinfo with Helm
+* set the podinfo image to the locally built one
 * run Helm tests
 
 ```yaml

e2e/bootstrap.sh

@@ -3,7 +3,7 @@
 set -o errexit
 
 REPO_ROOT=$(git rev-parse --show-toplevel)
-KIND_VERSION=v0.5.1
+KIND_VERSION=v0.7.0
 
 if [[ "$1" ]]; then
   KIND_VERSION=$1
@@ -22,13 +22,5 @@ sudo mv kind /usr/local/bin/kind
 echo ">>> Creating kind cluster"
 kind create cluster --wait 5m
 
-export KUBECONFIG="$(kind get kubeconfig-path --name="kind")"
-kubectl get pods --all-namespaces
-
-echo ">>> Installing Helm"
-curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | bash
-
-echo '>>> Installing Tiller'
-kubectl --namespace kube-system create sa tiller
-kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller
-helm init --service-account tiller --upgrade --wait
+echo ">>> Installing Helm v3"
+curl https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash

e2e/install.sh

@@ -3,7 +3,6 @@
 set -o errexit
 
 REPO_ROOT=$(git rev-parse --show-toplevel)
-export KUBECONFIG="$(kind get kubeconfig-path --name="kind")"
 
 echo '>>> Loading image in Kind'
 kind load docker-image test/podinfo:latest

e2e/test.sh

@@ -2,15 +2,11 @@
 
 set -o errexit
 
-REPO_ROOT=$(git rev-parse --show-toplevel)
-export KUBECONFIG="$(kind get kubeconfig-path --name="kind")"
-
 function finish {
   echo '>>> Test logs'
-  kubectl logs -l app=podinfo
+  kubectl logs -l app=podinfo || true
 }
-trap finish EXIT
+trap "finish" EXIT SIGINT
 
-echo '>>> Testing'
+echo '>>> Start integration tests'
 helm test podinfo
-

go.mod

@@ -1,52 +1,26 @@
 module github.com/stefanprodan/podinfo
 
-go 1.12
+go 1.14
 
 require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751
-	github.com/aws/aws-sdk-go v1.15.63 // indirect
-	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
-	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
 	github.com/chzyer/logex v1.1.10 // indirect
 	github.com/chzyer/readline v0.0.0-20160726135117-62c6fe619375
 	github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 // indirect
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/fatih/color v1.7.0
 	github.com/fsnotify/fsnotify v1.4.7
-	github.com/go-chi/chi v4.0.2+incompatible // indirect
-	github.com/gorilla/mux v1.7.3
-	github.com/gorilla/websocket v1.4.0
-	github.com/hashicorp/go-cleanhttp v0.5.0 // indirect
-	github.com/hashicorp/go-getter v0.0.0-20180809191950-4bda8fa99001
-	github.com/hashicorp/go-safetemp v1.0.0 // indirect
-	github.com/hashicorp/go-version v1.0.0 // indirect
-	github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/magiconair/properties v1.8.0 // indirect
-	github.com/mattn/go-colorable v0.0.9 // indirect
-	github.com/mattn/go-isatty v0.0.4 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/mitchellh/go-homedir v1.0.0 // indirect
-	github.com/mitchellh/go-testing-interface v1.0.0 // indirect
-	github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699 // indirect
-	github.com/pelletier/go-toml v1.2.0 // indirect
-	github.com/prometheus/client_golang v0.8.0
-	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910 // indirect
-	github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e // indirect
-	github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273 // indirect
-	github.com/spf13/afero v1.1.1 // indirect
-	github.com/spf13/cast v1.2.0 // indirect
-	github.com/spf13/cobra v0.0.3
-	github.com/spf13/jwalterweatherman v0.0.0-20180814060501-14d3d4c51834 // indirect
-	github.com/spf13/pflag v1.0.2
-	github.com/spf13/viper v1.1.0
-	github.com/swaggo/files v0.0.0-20190704085106-630677cd5c14 // indirect
+	github.com/go-chi/chi v4.0.3+incompatible // indirect
+	github.com/gorilla/mux v1.7.4
+	github.com/gorilla/websocket v1.4.2
+	github.com/hashicorp/go-getter v1.4.1
+	github.com/prometheus/client_golang v1.5.1
+	github.com/spf13/cobra v0.0.6
+	github.com/spf13/pflag v1.0.5
+	github.com/spf13/viper v1.6.2
 	github.com/swaggo/http-swagger v0.0.0-20190614090009-c2865af9083e
-	github.com/swaggo/swag v1.6.2
-	github.com/ulikunitz/xz v0.5.4 // indirect
-	go.uber.org/atomic v1.3.2 // indirect
-	go.uber.org/multierr v1.1.0 // indirect
-	go.uber.org/zap v1.9.1
-	golang.org/x/net v0.0.0-20190724013045-ca1201d0de80 // indirect
+	github.com/swaggo/swag v1.6.5
+	go.uber.org/zap v1.10.0
+	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
 	google.golang.org/grpc v1.23.0
 )

go.sum

@@ -1,20 +1,44 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1 h1:lRi0CHyU+ytlvylOlFKKq0af6JncuyoRh1J+QJBqQx0=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
 github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/PuerkitoBio/purell v1.1.0 h1:rmGxhojJlM0tuKtfdvliR84CFHljx9ag64t2xmVkjK4=
 github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
+github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
+github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/aws/aws-sdk-go v1.15.63 h1:rPr7eEm/FSK23DoDKhbd9oLMYGT7JU9pkyfBUVOHXUo=
-github.com/aws/aws-sdk-go v1.15.63/go.mod h1:E3/ieXAlvM0XWO57iftYVDLLvQ824smPP3ATZkfNZeM=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
+github.com/aws/aws-sdk-go v1.15.78 h1:LaXy6lWR0YK7LKyuU0QWy2ws/LWTPfYV/UgfiBu4tvY=
+github.com/aws/aws-sdk-go v1.15.78/go.mod h1:E3/ieXAlvM0XWO57iftYVDLLvQ824smPP3ATZkfNZeM=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d h1:xDfNPAt8lFiC1UJrqV3uuy861HCTo708pDMbjHHdCas=
 github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d/go.mod h1:6QX/PXZ00z/TKoufEY6K/a0k6AhaJrQKdFe6OfVXsa4=
+github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
+github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cheggaaa/pb v1.0.27/go.mod h1:pQciLPpbU0oxA0h+VJYYLxO+XeDQb5pZijXscXHm81s=
 github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20160726135117-62c6fe619375 h1:JVe1zduaiPlSLOuQcU/MqRJkBbWRPsjdW48+20AtJXM=
@@ -22,138 +46,395 @@ github.com/chzyer/readline v0.0.0-20160726135117-62c6fe619375/go.mod h1:nSuG5e5P
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/go-chi/chi v4.0.2+incompatible h1:maB6vn6FqCxrpz4FqWdh4+lwpyZIQS7YEAUcHlgXVRs=
-github.com/go-chi/chi v4.0.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ=
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+google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
+google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.23.0 h1:AzbTB6ux+okLTzP8Ru1Xs41C303zdcfEht7MQnYJt5A=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/cheggaaa/pb.v1 v1.0.27/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
+gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
+gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
+gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
+gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
+gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

kustomize/deployment.yaml

@@ -2,8 +2,6 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: podinfo
-  labels:
-    app: podinfo
 spec:
   minReadySeconds: 3
   revisionHistoryLimit: 5
@@ -25,7 +23,7 @@ spec:
     spec:
       containers:
       - name: podinfod
-        image: stefanprodan/podinfo:3.1.0
+        image: stefanprodan/podinfo:3.2.4
         imagePullPolicy: IfNotPresent
         ports:
         - name: http
@@ -48,7 +46,7 @@ spec:
         - --random-error=false
         env:
         - name: PODINFO_UI_COLOR
-          value: blue
+          value: "#34577c"
         livenessProbe:
           exec:
             command:

kustomize/kustomization.yaml

@@ -2,3 +2,6 @@ resources:
   - hpa.yaml
   - deployment.yaml
   - service.yaml
+
+commonLabels:
+  app: podinfo

kustomize/service.yaml

@@ -2,8 +2,6 @@ apiVersion: v1
 kind: Service
 metadata:
   name: podinfo
-  labels:
-    app: podinfo
 spec:
   type: ClusterIP
   selector:

pkg/api/delay.go

@@ -3,9 +3,10 @@ package api
 import (
 	"net/http"
 
-	"github.com/gorilla/mux"
 	"strconv"
 	"time"
+
+	"github.com/gorilla/mux"
 )
 
 // Delay godoc

pkg/api/index.go

@@ -23,8 +23,10 @@ func (s *Server) indexHandler(w http.ResponseWriter, r *http.Request) {
 
 	data := struct {
 		Title string
+		Logo  string
 	}{
 		Title: s.config.Hostname,
+		Logo:  s.config.UILogo,
 	}
 
 	if err := tmpl.Execute(w, data); err != nil {

pkg/api/info.go

@@ -22,6 +22,7 @@ func (s *Server) infoHandler(w http.ResponseWriter, r *http.Request) {
 		Hostname:     s.config.Hostname,
 		Version:      version.VERSION,
 		Revision:     version.REVISION,
+		Logo:         s.config.UILogo,
 		Color:        s.config.UIColor,
 		Message:      s.config.UIMessage,
 		GOOS:         runtime.GOOS,
@@ -39,6 +40,7 @@ type RuntimeResponse struct {
 	Version      string `json:"version"`
 	Revision     string `json:"revision"`
 	Color        string `json:"color"`
+	Logo         string `json:"logo"`
 	Message      string `json:"message"`
 	GOOS         string `json:"goos"`
 	GOARCH       string `json:"goarch"`

pkg/api/server.go

@@ -3,7 +3,11 @@ package api
 import (
 	"context"
 	"fmt"
+
 	"github.com/swaggo/swag"
+	"golang.org/x/net/http2"
+	"golang.org/x/net/http2/h2c"
+
 	"net/http"
 	_ "net/http/pprof"
 	"os"
@@ -16,7 +20,7 @@ import (
 	"github.com/spf13/viper"
 	_ "github.com/stefanprodan/podinfo/pkg/api/docs"
 	"github.com/stefanprodan/podinfo/pkg/fscache"
-	"github.com/swaggo/http-swagger"
+	httpSwagger "github.com/swaggo/http-swagger"
 	"go.uber.org/zap"
 )
 
@@ -50,6 +54,7 @@ type Config struct {
 	HttpServerTimeout         time.Duration `mapstructure:"http-server-timeout"`
 	HttpServerShutdownTimeout time.Duration `mapstructure:"http-server-shutdown-timeout"`
 	BackendURL                []string      `mapstructure:"backend-url"`
+	UILogo                    string        `mapstructure:"ui-logo"`
 	UIMessage                 string        `mapstructure:"ui-message"`
 	UIColor                   string        `mapstructure:"ui-color"`
 	UIPath                    string        `mapstructure:"ui-path"`
@@ -58,8 +63,11 @@ type Config struct {
 	Port                      string        `mapstructure:"port"`
 	PortMetrics               int           `mapstructure:"port-metrics"`
 	Hostname                  string        `mapstructure:"hostname"`
+	H2C                       bool          `mapstructure:"h2c"`
 	RandomDelay               bool          `mapstructure:"random-delay"`
 	RandomError               bool          `mapstructure:"random-error"`
+	Unhealthy                 bool          `mapstructure:"unhealthy"`
+	Unready                   bool          `mapstructure:"unready"`
 	JWTSecret                 string        `mapstructure:"jwt-secret"`
 }
 
@@ -140,12 +148,19 @@ func (s *Server) ListenAndServe(stopCh <-chan struct{}) {
 	s.registerHandlers()
 	s.registerMiddlewares()
 
+	var handler http.Handler
+	if s.config.H2C {
+		handler = h2c.NewHandler(s.router, &http2.Server{})
+	} else {
+		handler = s.router
+	}
+
 	srv := &http.Server{
 		Addr:         ":" + s.config.Port,
 		WriteTimeout: s.config.HttpServerTimeout,
 		ReadTimeout:  s.config.HttpServerTimeout,
 		IdleTimeout:  2 * s.config.HttpServerTimeout,
-		Handler:      s.router,
+		Handler:      handler,
 	}
 
 	//s.printRoutes()
@@ -169,8 +184,12 @@ func (s *Server) ListenAndServe(stopCh <-chan struct{}) {
 	}()
 
 	// signal Kubernetes the server is ready to receive traffic
-	atomic.StoreInt32(&healthy, 1)
-	atomic.StoreInt32(&ready, 1)
+	if !s.config.Unhealthy {
+		atomic.StoreInt32(&healthy, 1)
+	}
+	if !s.config.Unready {
+		atomic.StoreInt32(&ready, 1)
+	}
 
 	// wait for SIGTERM or SIGINT
 	<-stopCh

pkg/api/status.go

@@ -3,8 +3,9 @@ package api
 import (
 	"net/http"
 
-	"github.com/gorilla/mux"
 	"strconv"
+
+	"github.com/gorilla/mux"
 )
 
 // Status godoc

pkg/version/version.go

@@ -1,4 +1,4 @@
 package version
 
-var VERSION = "3.1.0"
+var VERSION = "3.2.4"
 var REVISION = "unknown"

ui/vue.html

@@ -10,8 +10,11 @@
   <link href="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.min.css" rel="stylesheet">
   <style>
 	[v-cloak] {
-  		display: none;
-	}
+    display: none;
+  }
+  .v-application .v-parallax {
+    height: 100vh !important;
+  }
   </style>
 </head>
 <body>
@@ -19,14 +22,14 @@
    <v-app dark>
     <v-content>
       <section>
-        <v-parallax id="parallax-hero" src="#" :class="info.color">
+        <v-parallax id="parallax-hero" :style="cuddleStyle" src="https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png">
           <v-layout
             column
             align-center
             justify-center
             class="white--text"
           >
-            <img src="https://d33wubrfki0l68.cloudfront.net/33a12d8be0bc50be4738443101616e968c7afb8f/cba76/images/scalable.png" alt="kubernetes" height="200">
+            <img :src="info.logo" height="350">
             <h1 class="white--text mb-2 display-1 text-xs-center">${ info.message }</h1>
             <div class="subheading mb-3 text-xs-center">Served by <b>${ info.hostname }</b></div>
             <v-btn
@@ -86,11 +89,11 @@
         tlColor1: 'grey',
         tlName2: '',
         tlColor2: 'grey',
+        cuddleStyle: {
+            backgroundColor: '#34577c'
+        },
     }
     },
-    mounted: function() {
-       document.getElementById('parallax-hero').style.height = '100vh'
-    },
     created: function() {
         this.getInfo();
         this.timer = setInterval(this.getInfo, 3000)
@@ -108,7 +111,11 @@
                     }
                 }
                 self.info = data
-                self.info.color = 'cyan'
+                self.info.color = data.color
+                self.cuddleStyle = {
+                    backgroundColor: data.color
+                }
+                self.info.logo = data.logo
                 document.title = data.hostname
                 let verColor = (parseInt(data.version.split('.').reverse()[0], 10)  % 2 === 0)
                         ? 'blue'