Cleanup Costly Resources #867

	#
	# Nimbus
	# Terraform
	# Cleanup Costly Resources
	#

	name: "Cleanup Costly Resources"
	on:
	# UTC 1500 - 11pm in SGT
	schedule: [cron: "00 15 * * *"]
	jobs:
	cleanup-terraform:
	name: "Apply lean Terraform deployment"
	runs-on: ubuntu-20.04
	defaults:
	run:
	working-directory: terraform
	steps:
	- uses: actions/checkout@v3
	- name: "Setup Terraform CLI"
	uses: hashicorp/setup-terraform@v2
	with:
	terraform_version: 1.9.7
	cli_config_credentials_token: ${{ secrets.TF_API_TOKEN }}
	- name: "Terraform Init"
	run: terraform init
	- name: "Terraform Apply"
	if: ${{ github.ref == 'refs/heads/main' }}
	env:
	TF_VAR_has_warp_vm: false
	run: terraform apply -auto-approve

	# Packer sometimes fails to clean up GCE persistent disks it creates when
	# the box build fails. Routinely clean up any disks that disks left by packer.
	cleanup-orphan-gcp-pd:
	name: "Cleanup orphaned GCE Persistent Disks"
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v3
	- uses: "google-github-actions/auth@v2"
	with:
	credentials_json: "${{ secrets.GCP_NIMBUS_CI_KEY }}"
	- name: "Set up Cloud SDK"
	uses: google-github-actions/setup-gcloud@v2
	- name: "Delete orphaned GCE PDs"
	shell: bash
	env:
	CLOUDSDK_CORE_PROJECT: mrzzy-sandbox
	CLOUDSDK_COMPUTE_ZONE: asia-southeast1-c
	run: \|
	ORPHANED_DISKS=$(
	gcloud compute disks list --quiet \
	--filter="-users:*" \
	--filter="name~'packer-.*'" \
	--format "value(name)")

	if [ -n "$ORPHANED_DISKS" ]
	then
	gcloud compute disks delete $ORPHANED_DISKS
	fi

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