Validate Helm chart #1

	name: Validate published Cilium Helm chart

	on:
	pull_request: {}
	push:
	branches:
	- master

	jobs:
	pull-and-validate:
	runs-on: ubuntu-latest
	timeout-minutes: 5
	steps:
	- name: Checkout code
	uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
	with:
	fetch-depth: 0
	persist-credentials: false

	- name: Set up job variables
	id: vars
	run: \|
	# Get last commit message
	readonly local last_commit_log=$(git log -1 --grep "^Add cilium" --pretty=format:"%s")
	echo "last commit log: $last_commit_log"

	readonly local chart_version=$(echo "$last_commit_log" \| grep -Eo "Add cilium v[^@]+" \| sed 's/Add\ cilium\ v//' )
	echo "Helm chart detected version: '${chart_version}'"

	if [[ -n "${chart_version}" ]]; then
	echo ::set-output name=chartVersion::${chart_version}
	fi

	- name: Validate Helm chart
	if: steps.vars.output.chartVersion != ''
	run: \|
	helm repo add cilium https://helm.cilium.io
	helm repo update
	until helm pull cilium/cilium -d /tmp --version ${{ steps.vars.outputs.chartVersion }}
	do
	echo "helm pull failed. Retrying..."
	sleep 1
	done
	./validate-cilium-chart.sh /tmp/cilium-${{ steps.vars.outputs.chartVersion }}.tgz

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