Delete old step functions #1207
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| name: Delete old step functions | |
| on: | |
| schedule: | |
| - cron: '20 4 * * *' | |
| workflow_dispatch: | |
| permissions: | |
| id-token: write | |
| contents: read | |
| jobs: | |
| load-config: | |
| uses: ./.github/workflows/load-config.yaml | |
| delete-unused-step-functions: | |
| name: Delete old step functions | |
| runs-on: ubuntu-20.04 | |
| needs: load-config | |
| strategy: | |
| matrix: | |
| environment_name: ${{fromJson(needs.load-config.outputs.environment_names)}} | |
| environment: ${{ matrix.environment_name }} | |
| steps: | |
| - id: setup-aws | |
| name: Configure AWS credentials | |
| uses: aws-actions/configure-aws-credentials@v4 | |
| with: | |
| role-to-assume: arn:aws:iam::${{ secrets.AWS_ACCOUNT_ID }}:role/ci-iac-role | |
| aws-region: ${{ secrets.AWS_REGION }} | |
| # If the step functions list is too close to its limit, | |
| # this will remove the 500 older step functions. | |
| - id: remove-old-state-machines | |
| name: Remove old step functions | |
| run: |- | |
| state_machines_list=$(aws stepfunctions list-state-machines --output text) | |
| threshold=500 | |
| maximum=$((10000 - $threshold)) | |
| count=$(echo $state_machines_list | grep -o 'arn:aws:states:' | wc -l) | |
| echo $count | |
| if (($count > $maximum)) | |
| then | |
| echo "$count higher than the maximum, so deleting $threshold state machines" | |
| echo $state_machines_list \ | |
| | sed 's/STATEMACHINES/\n STATEMACHINES/g' \ | |
| | sort -k2 \ | |
| | head -$threshold \ | |
| | awk '{print $4}' \ | |
| | xargs -I {} aws stepfunctions delete-state-machine --state-machine-arn {} | |
| echo "Finished deleting state machines" | |
| else | |
| echo "No state machines deleted" | |
| fi | |
| # If the activities list is too close to its limit, | |
| # this will remove the 500 older activities. | |
| - id: remove-old-activities | |
| name: Remove old activities | |
| run: |- | |
| activities_list=$(aws stepfunctions list-activities --output text) | |
| threshold=500 | |
| maximum=$((10000 - $threshold)) | |
| count=$(echo $activities_list | grep -o 'arn:aws:states:' | wc -l) | |
| echo $count | |
| if (($count > $maximum)) | |
| then | |
| echo "$count higher than the maximum, so deleting $threshold activities" | |
| echo $activities_list \ | |
| | sed 's/ACTIVITIES/\n ACTIVITIES/g' \ | |
| | sort -k2 \ | |
| | head -$threshold \ | |
| | awk '{print $2}' \ | |
| | xargs -I {} aws stepfunctions delete-activity --activity-arn {} | |
| echo "Finished deleting activities" | |
| else | |
| echo "No activities deleted" | |
| fi | |
| - id: send-to-slack | |
| name: Send failure notification to Slack | |
| if: failure() && github.ref == 'refs/heads/master' | |
| env: | |
| SLACK_BOT_TOKEN: ${{ secrets.WORKFLOW_STATUS_BOT_TOKEN }} | |
| uses: voxmedia/github-action-slack-notify-build@v1 | |
| with: | |
| channel: workflow-failures | |
| status: FAILED | |
| color: danger |