Add ref for signing service template #1833

	name: docs_test

	on:
	push:
	branches:
	- main
	pull_request:

	concurrency:
	group: docs_test-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	env:
	GO_VERSION: 1.18.7

	jobs:
	docs_test:
	name: docs_test
	runs-on: ubuntu-20.04
	steps:
	- name: Check out the codebase.
	uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: ${{ env.GO_VERSION }}

	- name: Caching dependency
	uses: actions/cache@v3
	with:
	path: \|
	~/.cache/go-build
	~/go/pkg/mod
	~/go/bin
	key: ${{ runner.os }}-v1-go-mod-${{ hashFiles('/go.mod') }}-${{ hashFiles('/go.sum') }}

	- name: go mod download
	run: \|
	[[ -d ~/go/pkg/mod ]] && exit 0
	# retry up to 3 times in case of network issues
	for i in $(seq 1 3); do
	go mod download && exit 0
	sleep 10
	done
	exit 1

	- name: Install gomplate
	run: \|
	sudo apt-get install jq -y
	curl -LOk https://github.com/hairyhenderson/gomplate/releases/download/v3.4.0/gomplate_linux-amd64
	sudo mv gomplate_linux-amd64 /usr/bin/gomplate
	chmod +x /usr/bin/gomplate

	- name: Docs test
	env:
	AGENT_BIN: ./signalfx-agent
	run: \|
	make signalfx-agent
	bash -ec "make docs && git diff --exit-code" \|\| \
	(echo 'Autogenerated docs and/or the selfdescribe.json file are not in sync with their source! If you directly edited a doc file, please move the changes to the source where the doc is generated from (use grep to find where based on existing doc content). In either case, you need to run `make docs` in the dev image and commit those changes.' && exit 1)

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