terraform-static-analysis.yml

name: Terraform Static Code Analysis

on:
  schedule:
    # * is a special character in YAML so you have to quote this string
    - cron:  '0 7 * * 1-5'
  workflow_dispatch:
  pull_request:
    branches:
      - main

permissions:
  contents: read

jobs:
  terraform-static-analysis:
    permissions:
      pull-requests: write
    name: Terraform Static Analysis
    runs-on: ubuntu-latest
    if: github.event_name != 'workflow_dispatch' && github.event_name != 'schedule'
    steps:
    - name: Checkout
      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        fetch-depth: 0
    - name: Run Analysis
      uses: ministryofjustice/github-actions/terraform-static-analysis@7855159a5c3a9bcd658207c894cc4ed22bd35a22 # v15.3.0
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        scan_type: changed
        trivy_severity: HIGH,CRITICAL
        tfsec_exclude: aws-ssm-secret-use-customer-key,github-repositories-private,aws-vpc-no-excessive-port-access,github-repositories-require-signed-commits
        checkov_exclude: CKV_GIT_1,CKV_AWS_126,CKV2_AWS_38,CKV2_AWS_39
        tflint_exclude: terraform_unused_declarations
        tflint_call_module_type: none
        tfsec_trivy: trivy

  terraform-static-analysis-full-scan:
    permissions:
      pull-requests: write
    name: Terraform Static Analysis - scan all directories
    runs-on: ubuntu-latest
    if: github.event_name == 'workflow_dispatch'
    steps:
    - name: Checkout
      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        fetch-depth: 0
    - name: Run Analysis
      uses: ministryofjustice/github-actions/terraform-static-analysis@7855159a5c3a9bcd658207c894cc4ed22bd35a22 # v15.3.0
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        scan_type: full
        tfsec_trivy: trivy
        trivy_severity: HIGH,CRITICAL
        tfsec_exclude: aws-ssm-secret-use-customer-key,github-repositories-private,aws-vpc-no-excessive-port-access,github-repositories-require-signed-commits
        checkov_exclude: CKV_GIT_1,CKV_AWS_126,CKV2_AWS_38,CKV2_AWS_39
        tflint_exclude: terraform_unused_declarations
        tflint_call_module_type: none

  terraform-static-analysis-scheduled-scan:
    name: Terraform Static Analysis - scheduled scan of all directories
    runs-on: ubuntu-latest
    if: github.event_name == 'schedule'
    steps:
    - name: Checkout
      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        fetch-depth: 0
    - name: Run Analysis
      uses: ministryofjustice/github-actions/terraform-static-analysis@7855159a5c3a9bcd658207c894cc4ed22bd35a22 # v15.3.0
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        scan_type: full
        tfsec_trivy: trivy
        trivy_severity: HIGH,CRITICAL
        tfsec_exclude: aws-ssm-secret-use-customer-key,github-repositories-private,aws-vpc-no-excessive-port-access,github-repositories-require-signed-commits
        checkov_exclude: CKV_GIT_1,CKV_AWS_126,CKV2_AWS_38,CKV2_AWS_39
        tflint_exclude: terraform_unused_declarations
        tflint_call_module_type: none
    - name: Slack failure notification
      uses: slackapi/slack-github-action@e28cf165c92ffef168d23c5c9000cffc8a25e117 # v1.24.0
      with:
        payload: |
          {"blocks":[{"type": "section","text": {"type": "mrkdwn","text": ":no_entry: Failed GitHub Action:"}},{"type": "section","fields":[{"type": "mrkdwn","text": "*Workflow:*\n<${{ 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() }}