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awsnuke.yml
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---
name: awsnuke
on:
push:
branches:
- main
paths:
- '.github/workflows/awsnuke.yml'
pull_request:
branches:
- main
types: [opened, edited, reopened, synchronize]
paths:
- '.github/workflows/awsnuke.yml'
schedule:
# * is a special character in YAML so you have to quote this string
# trigger every sunday at 12:00am
- cron: '0 12 * * 0'
workflow_dispatch:
env:
AWS_REGION: "eu-west-2"
ENVIRONMENT_MANAGEMENT: ${{ secrets.MODERNISATION_PLATFORM_ENVIRONMENTS }}
TF_IN_AUTOMATION: true
NUKE_ACCOUNTS: ${{ secrets.MODERNISATION_PLATFORM_AUTONUKE }}
NUKE_BLOCKLIST_ACCOUNTS: ${{ secrets.MODERNISATION_PLATFORM_AUTONUKE_BLOCKLIST }}
permissions: {}
defaults:
run:
shell: bash
jobs:
setup-prerequisites:
runs-on: ubuntu-latest
outputs:
matrix: ${{ steps.set-matrix.outputs.matrix }}
account_blocklist_str : ${{ steps.set-blocklist-string.outputs.account_blocklist_str }}
steps:
- id: set-matrix
name: Set Up Matrix
run: echo "matrix=$(jq -c '.| map(select(. !="testing-test"))|sort' <<< $NUKE_ACCOUNTS)" >> $GITHUB_OUTPUT
- id: set-blocklist-string
name: Set Up Blocklist
run: |
account_blocklist_str=""
while read -r account_alias _; do
account_number=$(jq -r -e --arg account_name "$account_alias" '.account_ids[$account_name]' <<< $ENVIRONMENT_MANAGEMENT)
account_blocklist_str+=" - \"${account_number}\" # ${account_alias}"
account_blocklist_str+=$'\n'
done <<< "$(jq -c -r '.[]' <<< $NUKE_BLOCKLIST_ACCOUNTS)" # Taking this approach as piping (|) to a read opens a subshell and passes the variables to it by value
# Encoding and passing blocklist string as an output
echo "account_blocklist_str=$(echo -n "${account_blocklist_str}" | base64 -w 0)" >> $GITHUB_OUTPUT
nuke:
strategy:
fail-fast: false
matrix:
nuke_accts: ${{ fromJSON(needs.setup-prerequisites.outputs.matrix) }}
name: Sandbox Nuke
permissions:
id-token: write # This is required for requesting the JWT
contents: read # This is required for actions/checkout
runs-on: ubuntu-latest
needs: setup-prerequisites
steps:
- name: Checkout Repository
uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
- name: Set Account Number
run: |
ACCOUNT_NUMBER=$(jq -r -e --arg account_name "${ACCOUNT_NAME}" '.account_ids[$account_name]' <<< $ENVIRONMENT_MANAGEMENT)
echo "::add-mask::$ACCOUNT_NUMBER"
echo "ACCOUNT_NUMBER=${ACCOUNT_NUMBER}" >> $GITHUB_ENV
- name: configure aws credentials
uses: aws-actions/configure-aws-credentials@010d0da01d0b5a38af31e9c3470dbfdabdecca3a # v4.0.1
with:
role-to-assume: "arn:aws:iam::${{ env.ACCOUNT_NUMBER }}:role/github-actions"
role-session-name: githubactionsrolesession
aws-region: ${{ env.AWS_REGION }}
- name: Setup Nuke Account String
run: |
accounts_str=''
accounts_str+=" \"${ACCOUNT_NUMBER}\": # ${ACCOUNT_NAME}"
accounts_str+=$'\n'
accounts_str+=" presets:"
accounts_str+=$'\n'
accounts_str+=" - \"common\""
accounts_str+=$'\n'
echo "$accounts_str"
echo "ACCOUNTS_STR<<EOF" >> $GITHUB_ENV
echo "$accounts_str" >> $GITHUB_ENV
echo "EOF" >> $GITHUB_ENV
- name: Setup Nuke Config
run: |
export accounts_str="$ACCOUNTS_STR"
export account_blocklist_str=$(echo "${{ needs.setup-prerequisites.outputs.account_blocklist_str }}" | base64 --decode)
cat scripts/nuke-config-template.txt | envsubst > nuke-config.yml
- name: Install AWS Nuke
run: |
echo "BEGIN: Install AWS Nuke"
mkdir -p $HOME/bin
wget -c "https://github.com/rebuy-de/aws-nuke/releases/download/${AWS_NUKE_VERSION}/aws-nuke-${AWS_NUKE_VERSION}-linux-amd64.tar.gz" -O - | tar -xz -C $HOME/bin
mv "$HOME/bin/aws-nuke-${AWS_NUKE_VERSION}-linux-amd64" $HOME/bin/aws-nuke
chmod +x $HOME/bin/aws-nuke
echo "END: Install AWS Nuke"
env:
AWS_NUKE_VERSION: v2.25.0
- name: Nuke Plan (Dry Run)
run: |
aws sts assume-role --role-arn "arn:aws:iam::${ACCOUNT_NUMBER}:role/MemberInfrastructureAccess" --role-session-name githubactionsgotestrolesession > creds
$(echo "export AWS_ACCESS_KEY_ID=$(echo $(cat creds) | sed -n 's/.*"AccessKeyId": "\([^"]*\)".*/\1/p')")
$(echo "export AWS_SECRET_ACCESS_KEY=$(echo $(cat creds) | sed -n 's/.*"SecretAccessKey": "\([^"]*\)".*/\1/p')")
$(echo "export AWS_SESSION_TOKEN=$(echo $(cat creds) | sed -n 's/.*"SessionToken": "\([^"]*\)".*/\1/p')")
grep "MemberInfrastructureAccess" <<< $(aws sts get-caller-identity) || { echo 'Failed to assume role' ; exit 1; }
$HOME/bin/aws-nuke --access-key-id "$AWS_ACCESS_KEY_ID" \
--secret-access-key "$AWS_SECRET_ACCESS_KEY" \
--session-token "$AWS_SESSION_TOKEN" \
--config nuke-config.yml \
--force
- name: Nuke Apply (-no-dry-run)
if: ${{ github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && github.ref == 'refs/heads/main') }}
run: |
# The environment gets reset between steps, so the role needs to be re-assumed.
aws sts assume-role --role-arn "arn:aws:iam::${ACCOUNT_NUMBER}:role/MemberInfrastructureAccess" --role-session-name githubactionsgotestrolesession > creds
$(echo "export AWS_ACCESS_KEY_ID=$(echo $(cat creds) | sed -n 's/.*"AccessKeyId": "\([^"]*\)".*/\1/p')")
$(echo "export AWS_SECRET_ACCESS_KEY=$(echo $(cat creds) | sed -n 's/.*"SecretAccessKey": "\([^"]*\)".*/\1/p')")
$(echo "export AWS_SESSION_TOKEN=$(echo $(cat creds) | sed -n 's/.*"SessionToken": "\([^"]*\)".*/\1/p')")
grep "MemberInfrastructureAccess" <<< $(aws sts get-caller-identity) || { echo 'Failed to assume role' ; exit 1; }
$HOME/bin/aws-nuke --access-key-id "$AWS_ACCESS_KEY_ID" \
--secret-access-key "$AWS_SECRET_ACCESS_KEY" \
--session-token "$AWS_SESSION_TOKEN" \
--config nuke-config.yml \
--force \
--no-dry-run
- name: Slack failure notification
uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
with:
payload: |
{"blocks":[{"type": "section","text": {"type": "mrkdwn","text": ":no_entry: Failed GitHub Action:"}},{"type": "section","fields":[{"type": "mrkdwn","text": "*Workflow:*\n<${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|${{ github.workflow }}>"},{"type": "mrkdwn","text": "*Job:*\n${{ github.job }}"},{"type": "mrkdwn","text": "*Repo:*\n${{ github.repository }}"}]}]}
env:
SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK
if: ${{ failure() }}
env:
ACCOUNT_NAME: ${{ matrix.nuke_accts }}
# testing-test account is not set up with OIDC because it is used to terratest OIDC-related resources. Therefore it's handled as a special case
# using testing-ci user static credentials.
nuke-testing-test:
name: Sandbox Nuke (testing-test)
permissions:
contents: read # This is required for actions/checkout
runs-on: ubuntu-latest
needs: setup-prerequisites
steps:
- name: Checkout Repository
uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
- name: Set Account Number
run: |
ACCOUNT_NUMBER=$(jq -r -e --arg account_name "${ACCOUNT_NAME}" '.account_ids[$account_name]' <<< $ENVIRONMENT_MANAGEMENT)
echo "::add-mask::$ACCOUNT_NUMBER"
echo "ACCOUNT_NUMBER=${ACCOUNT_NUMBER}" >> $GITHUB_ENV
- name: Setup Nuke Account String
run: |
accounts_str=''
accounts_str+=" \"${ACCOUNT_NUMBER}\": # ${ACCOUNT_NAME}"
accounts_str+=$'\n'
accounts_str+=" presets:"
accounts_str+=$'\n'
accounts_str+=" - \"common\""
accounts_str+=$'\n'
echo "$accounts_str"
echo "ACCOUNTS_STR<<EOF" >> $GITHUB_ENV
echo "$accounts_str" >> $GITHUB_ENV
echo "EOF" >> $GITHUB_ENV
- name: Setup Nuke Config
run: |
export accounts_str="$ACCOUNTS_STR"
export account_blocklist_str=$(echo "${{ needs.setup-prerequisites.outputs.account_blocklist_str }}" | base64 --decode)
cat scripts/nuke-config-template.txt | envsubst > nuke-config.yml
- name: Install AWS Nuke
run: |
echo "BEGIN: Install AWS Nuke"
mkdir -p $HOME/bin
wget -c "https://github.com/rebuy-de/aws-nuke/releases/download/${AWS_NUKE_VERSION}/aws-nuke-${AWS_NUKE_VERSION}-linux-amd64.tar.gz" -O - | tar -xz -C $HOME/bin
mv "$HOME/bin/aws-nuke-${AWS_NUKE_VERSION}-linux-amd64" $HOME/bin/aws-nuke
chmod +x $HOME/bin/aws-nuke
echo "END: Install AWS Nuke"
env:
AWS_NUKE_VERSION: v2.25.0
- name: Nuke Plan (Dry Run)
run: |
aws sts assume-role --role-arn "arn:aws:iam::${ACCOUNT_NUMBER}:role/MemberInfrastructureAccess" --role-session-name githubactionsgotestrolesession > creds
$(echo "export AWS_ACCESS_KEY_ID=$(echo $(cat creds) | sed -n 's/.*"AccessKeyId": "\([^"]*\)".*/\1/p')")
$(echo "export AWS_SECRET_ACCESS_KEY=$(echo $(cat creds) | sed -n 's/.*"SecretAccessKey": "\([^"]*\)".*/\1/p')")
$(echo "export AWS_SESSION_TOKEN=$(echo $(cat creds) | sed -n 's/.*"SessionToken": "\([^"]*\)".*/\1/p')")
grep "MemberInfrastructureAccess" <<< $(aws sts get-caller-identity) || { echo 'Failed to assume role' ; exit 1; }
$HOME/bin/aws-nuke --access-key-id "$AWS_ACCESS_KEY_ID" \
--secret-access-key "$AWS_SECRET_ACCESS_KEY" \
--session-token "$AWS_SESSION_TOKEN" \
--config nuke-config.yml \
--force
- name: Nuke Apply (-no-dry-run)
if: ${{ github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && github.ref == 'refs/heads/main') }}
run: |
# The environment gets reset between steps, so the AWS credentials get overwritten and the role needs to be re-assumed.
aws sts assume-role --role-arn "arn:aws:iam::${ACCOUNT_NUMBER}:role/MemberInfrastructureAccess" --role-session-name githubactionsgotestrolesession > creds
$(echo "export AWS_ACCESS_KEY_ID=$(echo $(cat creds) | sed -n 's/.*"AccessKeyId": "\([^"]*\)".*/\1/p')")
$(echo "export AWS_SECRET_ACCESS_KEY=$(echo $(cat creds) | sed -n 's/.*"SecretAccessKey": "\([^"]*\)".*/\1/p')")
$(echo "export AWS_SESSION_TOKEN=$(echo $(cat creds) | sed -n 's/.*"SessionToken": "\([^"]*\)".*/\1/p')")
grep "MemberInfrastructureAccess" <<< $(aws sts get-caller-identity) || { echo 'Failed to assume role' ; exit 1; }
$HOME/bin/aws-nuke --access-key-id "$AWS_ACCESS_KEY_ID" \
--secret-access-key "$AWS_SECRET_ACCESS_KEY" \
--session-token "$AWS_SESSION_TOKEN" \
--config nuke-config.yml \
--force \
--no-dry-run
- name: Slack failure notification
uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
with:
payload: |
{"blocks":[{"type": "section","text": {"type": "mrkdwn","text": ":no_entry: Failed GitHub Action:"}},{"type": "section","fields":[{"type": "mrkdwn","text": "*Workflow:*\n<${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|${{ github.workflow }}>"},{"type": "mrkdwn","text": "*Job:*\n${{ github.job }}"},{"type": "mrkdwn","text": "*Repo:*\n${{ github.repository }}"}]}]}
env:
SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK
if: ${{ failure() }}
env:
AWS_ACCESS_KEY_ID: ${{ secrets.TESTING_AWS_ACCESS_KEY_ID }}
AWS_SECRET_ACCESS_KEY: ${{ secrets.TESTING_AWS_SECRET_ACCESS_KEY }}
ACCOUNT_NAME: "testing-test"