Enforce CI pipelines running with expected go version

[#132166973](https://www.pivotaltracker.com/story/show/132166973)

Signed-off-by: Tom Viehman <[email protected]>

bin/require-ci-golang-version

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+source ci/docker/deps-golang
+
+if ! go version | grep -q " go$GO_VERSION " ; then
+  echo -n "DEBUG: " ; go version
+  echo "ERROR: expected version to be $GO_VERSION" >&2
+  exit 1
+fi
+

ci/docker/Dockerfile

@@ -27,9 +27,9 @@ RUN vagrant plugin install vagrant-aws
 # bosh-init dependencies
 RUN apt-get install -y mercurial && apt-get clean
 # ...go
-ADD install-go.sh /tmp/install-go.sh
+ADD install-go.sh deps-golang /tmp/
 RUN chmod a+x /tmp/install-go.sh
-RUN cd tmp && ./install-go.sh && rm install-go.sh
+RUN cd /tmp && ./install-go.sh && rm install-go.sh deps-golang
 
 # lifecycle ssh test
 RUN apt-get install -y sshpass && apt-get clean

ci/docker/deps-golang

@@ -0,0 +1,3 @@
+GO_VERSION=1.7.1
+GO_ARCHIVE_SHA256=43ad621c9b014cde8db17393dc108378d37bc853aa351a6c74bf6432c1bbd182
+GO_ARCHIVE_URL=https://storage.googleapis.com/golang/go$GO_VERSION.linux-amd64.tar.gz

ci/docker/install-go.sh

@@ -2,9 +2,8 @@
 
 set -ex
 
+source deps-golang
 GOROOT=/usr/local/go
-GO_ARCHIVE_URL=https://storage.googleapis.com/golang/go1.7.1.linux-amd64.tar.gz
-GO_ARCHIVE_SHA256=43ad621c9b014cde8db17393dc108378d37bc853aa351a6c74bf6432c1bbd182
 GO_ARCHIVE=$(basename $GO_ARCHIVE_URL)
 
 echo "Downloading go..."

ci/tasks/build.sh

@@ -12,6 +12,7 @@ timestamp=`date -u +"%Y-%m-%dT%H:%M:%SZ"`
 filename="bosh-cli-${semver}-${GOOS}-${GOARCH}"
 
 cd gopath/src/github.com/cloudfoundry/bosh-cli
+bin/require-ci-golang-version
 
 git_rev=`git rev-parse --short HEAD`
 version="${semver}-${git_rev}-${timestamp}"

ci/tasks/test-acceptance.sh

@@ -40,4 +40,5 @@ set -x
 export BOSH_LITE_PRIVATE_KEY=$tmpfile
 
 cd $GOPATH/src/github.com/cloudfoundry/bosh-cli
+./bin/require-ci-golang-version
 base=$PWD ./bin/test-acceptance-with-vm --provider=aws

ci/tasks/test-integration.sh

@@ -9,6 +9,7 @@ export PATH=/usr/local/ruby/bin:/usr/local/go/bin:$PATH
 export GOPATH=$(pwd)/gopath
 
 cd gopath/src/github.com/cloudfoundry/bosh-cli
+bin/require-ci-golang-version
 bin/clean
 bin/install-ginkgo
 bin/test-integration

ci/tasks/test-unit.sh

@@ -8,6 +8,7 @@ export PATH=/usr/local/ruby/bin:/usr/local/go/bin:$PATH
 export GOPATH=$(pwd)/gopath
 
 cd gopath/src/github.com/cloudfoundry/bosh-cli
+bin/require-ci-golang-version
 bin/clean
 bin/install-ginkgo
 bin/test-prepare