Merge pull request #122 from wmedlar/bugfix/docker-entrypoint-fail-on-error

Fail fast in container entrypoint

.travis.yml

@@ -1,6 +1,11 @@
 ---
 language: go
 
+sudo: required
+
+services:
+  - docker 
+
 notifications:
   email: false
 
@@ -16,6 +21,10 @@ install:
 
 script:
   - go test ./...
+  - 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

cmd/util.go

@@ -219,7 +219,7 @@ func getKubeVersion() string {
 	if err != nil {
 		_, err = exec.LookPath("kubelet")
 		if err != nil {
-			exitWithError(fmt.Errorf("Version check failed: need kubectl or kubelet binaries to get kubernetes version"))
+			exitWithError(fmt.Errorf("Version check failed: need kubectl or kubelet binaries to get kubernetes version.\nAlternately, you can specify the version with --version"))
 		}
 		return getKubeVersionFromKubelet()
 	}
@@ -240,7 +240,7 @@ func getKubeVersionFromKubectl() string {
 func getKubeVersionFromKubelet() string {
 	cmd := exec.Command("kubelet", "--version")
 	out, err := cmd.CombinedOutput()
-	
+
 	if err != nil {
 		continueWithError(fmt.Errorf("%s", out), "")
 	}

entrypoint.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/sh -e
 if [ "$1" == "install" ]; then
   if [ -d /host ]; then
     mkdir -p /host/cfg/