Auto Clean CI Cache #136

	name: Auto Clean CI Cache

	# Any change in triggers needs to be reflected in the concurrency group.
	on:
	workflow_dispatch:
	schedule:
	# run 4:00 am once for a week, in shanghai timezone
	# cron by UTC, shanghai timezone = UTC + 8
	- cron: "0 20 * * 0"

	permissions: read-all

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

	jobs:
	cache-cleaner:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	include:
	# for each image
	- name: controllerimage

	steps:
	# Load Golang cache build from GitHub
	- name: Load ${{ matrix.name }} Golang cache build from GitHub
	uses: actions/[email protected]
	id: cache
	with:
	path: /tmp/.cache/${{ matrix.name }}
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}-${{ matrix.name }}-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}-${{ matrix.name }}-
	${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}-
	${{ runner.os }}-go-

	- name: Create ${{ matrix.name }} cache directory
	if: ${{ steps.cache.outputs.cache-hit != 'true' }}
	shell: bash
	run: \|
	mkdir -p /tmp/.cache/${{ matrix.name }}

	# Clean docker's golang's cache
	- name: Clean ${{ matrix.name }} Golang cache from GitHub
	shell: bash
	run: \|
	rm -f /tmp/.cache/${{ matrix.name }}/go-build-cache.tar.gz
	rm -f /tmp/.cache/${{ matrix.name }}/go-pkg-cache.tar.gz

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