Automated Remediation Workflows

Automated Remediation Workflows

Implement automated remediation based on compliance violations:

# remediation-workflow.yaml
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
  name: compliance-remediation
spec:
  params:
  - name: image-name
    type: string
  - name: violation-type
    type: string
    
  tasks:
  - name: analyze-violation
    taskRef:
      name: analyze-compliance-violation
    params:
    - name: image
      value: $(params.image-name)
    - name: violation
      value: $(params.violation-type)
      
  - name: generate-fix
    taskRef:
      name: generate-remediation
    params:
    - name: analysis-result
      value: $(tasks.analyze-violation.results.analysis)
    runAfter:
    - analyze-violation
    
  - name: test-fix
    taskRef:
      name: test-remediation
    params:
    - name: original-image
      value: $(params.image-name)
    - name: fixed-image
      value: $(tasks.generate-fix.results.fixed-image)
    runAfter:
    - generate-fix
    
  - name: create-pr
    taskRef:
      name: create-pull-request
    params:
    - name: fix-details
      value: $(tasks.generate-fix.results.fix-details)
    when:
    - input: $(tasks.test-fix.results.success)
      operator: in
      values: ["true"]
    runAfter:
    - test-fix

---
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: generate-remediation
spec:
  params:
  - name: analysis-result
    type: string
  results:
  - name: fixed-image
  - name: fix-details
  steps:
  - name: generate-fix
    image: compliance-fixer:latest
    script: |
      #!/usr/bin/env python3
      
      import json
      import subprocess
      
      analysis = json.loads('$(params.analysis-result)')
      
      if analysis['violation_type'] == 'runs_as_root':
          # Generate Dockerfile fix
          fix = """
      FROM {base_image}
      RUN useradd -r -u 1001 appuser
      USER appuser
      """
          
      elif analysis['violation_type'] == 'critical_vulnerabilities':
          # Update base image
          fix = """
      FROM {base_image}:latest
      RUN apt-get update && apt-get upgrade -y && apt-get clean
      """
          
      # Build fixed image
      # Create PR with fix
      # Return results