cloudbuild_cleanup.yaml

# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

steps:
- id: 'clean vpcs'
  name: gcr.io/cloud-builders/gcloud
  script: |
    #!/usr/bin/env bash

    # Disable screen reader accessibility to list output in table format
    gcloud config set accessibility/screen_reader false

    echo "Hello $_USER"

    # Fetch all VPCs
    gcloud compute networks list --filter="creationTimestamp<=-p4h00m" \
        --project=gke-ai-eco-dev --format="table(name)" | while IFS= read -r i; do
        echo "#########################"
        echo "WIP Network === ${i}"

        if [[ $i == 'default' ]]; then
            echo "Ignore default VPC"
            continue
        fi

        if [[  $i == 'NAME' ]]; then
            echo "Ignore Table Header"
            continue
        fi

        # Ingore VPC's not using ml-xxxx-true, ml-xxxx-false format.
        if ! [[ "$i" =~ ^.*ml-.*-true$ ]] && ! [[ "$i" =~ ^.*ml-.*-false$ ]]; then
            echo "Ignore VPC === $i!"
            continue
        fi

        gcloud compute networks subnets list --project=gke-ai-eco-dev --filter="network:$i" --format="table(name, region)" | while IFS= read -r j; do
            if [[ $j =~ ^NAME[[:space:]]+REGION[[:space:]]*$ ]]; then
                echo "Ignore Subnet === $j!"
                continue
            fi

            IFS=' ' read -r name region <<< "$j"
            gcloud compute networks subnets delete --project=gke-ai-eco-dev --region=$region $name --quiet
            echo "Deleted network subnet === $region/$name"
        done

        gcloud compute networks peerings list --network=$i --flatten=peerings[] --format="table(peerings.name)" | while IFS= read -r j; do
            if [[ $j == 'NAME' ]]; then
                echo "Ignore peering === $j!"
                continue
            fi

            gcloud compute networks peerings delete --project=gke-ai-eco-dev "$j" --network=$i --quiet
            echo "Deleted peering === $j"
        done

        gcloud compute addresses list --filter=network:$i --format="table(name)" | while IFS= read -r j; do
            if [[ $j == 'NAME' ]]; then
                echo "Ignore address === $j!"
                continue
            fi

            gcloud compute addresses delete --project=gke-ai-eco-dev "$j" --global --quiet
            echo "Deleted address === $j"
        done

        gcloud compute routes list --filter=network:$i --format="table(name)" | while IFS= read -r j; do
            if [[ $j == 'NAME' ]]; then
                echo "Ignore route === $j!"
                continue
            fi

            gcloud compute routes delete --project=gke-ai-eco-dev "$j" --quiet
            echo "Deleted route === $j"
        done

        gcloud compute networks get-effective-firewalls "$i" --project=gke-ai-eco-dev --format="table(name)" | while IFS= read -r j; do
            if [[ $j == 'default' || $j == 'NAME' ]]; then
                echo "Ignore FW Rules === $j!"
                continue
            fi

            gcloud compute firewall-rules delete --project=gke-ai-eco-dev "${j}" --quiet
            echo "Deleted network attached firewall rules === ${j}"
        done

        gcloud compute networks delete $i --project=gke-ai-eco-dev --quiet
        echo "Deleted network === $i"
    done