Files
LLM_Engineering_OLD/week8/community_contributions/salah/gitops-guardian/app.py

543 lines
19 KiB
Python

import os
import json
from pathlib import Path
from datetime import datetime
from typing import List
from dotenv import load_dotenv
import gradio as gr
from models import PullRequest, ReviewResult, RiskLevel, SecurityIssue, ComplianceViolation, SecurityScore, ComplianceScore, RiskAssessment
from agents import GitOpsScannerAgent, SecurityAgent, ComplianceAgent, RiskEnsembleAgent
class GitOpsGuardian:
MEMORY_FILE = "reviewed_prs.json"
def __init__(self):
load_dotenv()
self.github_token = os.getenv('GITHUB_TOKEN')
self.openai_api_key = os.getenv('OPENAI_API_KEY')
self.gitops_repos = os.getenv('GITOPS_REPOS', '').split(',')
if not self.github_token:
raise ValueError("GITHUB_TOKEN not found")
if not self.openai_api_key:
raise ValueError("OPENAI_API_KEY not found")
if not self.gitops_repos or self.gitops_repos == ['']:
raise ValueError("GITOPS_REPOS not found")
self.scanner = GitOpsScannerAgent(self.github_token)
self.security_agent = SecurityAgent(self.openai_api_key)
self.compliance_agent = ComplianceAgent(self.github_token)
self.ensemble_agent = RiskEnsembleAgent()
self.total_cost = 0.0
self.history_file = "review_history.json"
self.memory = self._load_memory()
def _load_memory(self):
if Path(self.MEMORY_FILE).exists():
try:
with open(self.MEMORY_FILE, 'r') as f:
data = json.load(f)
return data.get('reviewed_prs', [])
except:
return []
return []
def _save_memory(self):
try:
data = {
'reviewed_prs': self.memory,
'last_updated': datetime.now().isoformat()
}
with open(self.MEMORY_FILE, 'w') as f:
json.dump(data, f, indent=2)
except:
pass
def scan_prs(self):
prs = self.scanner.scan(self.gitops_repos, self.memory)
return prs
def review_pr(self, pr):
security_score = self.security_agent.review(pr)
compliance_score = self.compliance_agent.review(pr)
risk_assessment = self.ensemble_agent.assess(security_score, compliance_score)
result = ReviewResult(
pr=pr,
risk_assessment=risk_assessment,
reviewed_at=datetime.now()
)
if pr.url not in self.memory:
self.memory.append(pr.url)
self._save_memory()
self.total_cost += security_score.cost
self._save_history(result)
return result
def _save_history(self, result):
try:
history = []
if Path(self.history_file).exists():
with open(self.history_file, 'r') as f:
history = json.load(f)
history.append({
'pr_number': result.pr.number,
'pr_url': result.pr.url,
'repo': result.pr.repo,
'title': result.pr.title,
'author': result.pr.author,
'risk_score': result.risk_assessment.overall_risk,
'risk_level': result.risk_assessment.risk_level.value,
'security_risk': result.risk_assessment.security_score.risk,
'security_summary': result.risk_assessment.security_score.summary,
'compliance_risk': result.risk_assessment.compliance_score.risk,
'compliance_summary': result.risk_assessment.compliance_score.summary,
'security_issues_count': len(result.risk_assessment.security_score.issues),
'compliance_violations_count': len(result.risk_assessment.compliance_score.violations),
'cost': result.risk_assessment.security_score.cost,
'reviewed_at': result.reviewed_at.isoformat()
})
with open(self.history_file, 'w') as f:
json.dump(history, f, indent=2)
except:
pass
def post_pr_comment(self, pr, result):
try:
from github import Github
gh = Github(self.github_token)
repo = gh.get_repo(pr.repo)
pr_obj = repo.get_pull(pr.number)
comment = f"""## GitOps Guardian Security Review
**Risk Level:** {result.risk_assessment.risk_level.value} (Score: {result.risk_assessment.overall_risk:.2f})
### Security Analysis
- **Risk:** {result.risk_assessment.security_score.risk:.2f}
- **Issues Found:** {len(result.risk_assessment.security_score.issues)}
- **Summary:** {result.risk_assessment.security_score.summary}
### Compliance Check
- **Risk:** {result.risk_assessment.compliance_score.risk:.2f}
- **Violations:** {len(result.risk_assessment.compliance_score.violations)}
- **Summary:** {result.risk_assessment.compliance_score.summary}
### Recommendation
{result.risk_assessment.recommendation}
---
*Automated review by GitOps Guardian*
"""
pr_obj.create_issue_comment(comment)
return True
except:
return False
def review_all(self):
prs = self.scan_prs()
if not prs:
return []
results = []
for pr in prs:
try:
result = self.review_pr(pr)
results.append(result)
except:
pass
return results
def create_gradio_app():
try:
app = GitOpsGuardian()
except Exception as e:
raise
def load_historical_results():
historical_results = []
try:
if Path(app.history_file).exists():
with open(app.history_file, 'r') as f:
history = json.load(f)
for entry in history:
issues_count = entry.get('security_issues_count', 0)
violations_count = entry.get('compliance_violations_count', 0)
pr = PullRequest(
repo=entry['repo'],
number=entry['pr_number'],
title=entry.get('title', f"PR #{entry['pr_number']}"),
author=entry.get('author', 'unknown'),
url=entry['pr_url'],
diff="",
files_changed=[],
created_at=datetime.fromisoformat(entry['reviewed_at']),
labels=[]
)
security_issues = [
SecurityIssue(
type="historical",
severity="info",
description=f"Historical record ({issues_count} issues found)",
recommendation=""
)
] if issues_count > 0 else []
compliance_violations = [
ComplianceViolation(
rule="historical",
severity="info",
description=f"Historical record ({violations_count} violations found)",
recommendation=""
)
] if violations_count > 0 else []
security_score = SecurityScore(
risk=entry['security_risk'],
issues=security_issues,
summary=entry.get('security_summary', 'Historical review'),
cost=entry.get('cost', 0.0)
)
compliance_score = ComplianceScore(
risk=entry['compliance_risk'],
violations=compliance_violations,
passed_checks=[],
summary=entry.get('compliance_summary', 'Historical review')
)
risk_assessment = RiskAssessment(
overall_risk=entry['risk_score'],
risk_level=RiskLevel(entry['risk_level']),
security_score=security_score,
compliance_score=compliance_score,
recommendation="",
confidence=0.85
)
result = ReviewResult(
pr=pr,
risk_assessment=risk_assessment,
reviewed_at=datetime.fromisoformat(entry['reviewed_at'])
)
historical_results.append(result)
except:
pass
return historical_results
all_results = load_historical_results()
post_comments_enabled = [False]
def export_json():
if not all_results:
return None
try:
export_data = [
{
'pr_number': r.pr.number,
'title': r.pr.title,
'repo': r.pr.repo,
'url': r.pr.url,
'risk_score': r.risk_assessment.overall_risk,
'risk_level': r.risk_assessment.risk_level.value,
'security_risk': r.risk_assessment.security_score.risk,
'compliance_risk': r.risk_assessment.compliance_score.risk,
'reviewed_at': r.reviewed_at.isoformat()
} for r in all_results
]
path = "gitops_guardian_export.json"
with open(path, 'w') as f:
json.dump(export_data, f, indent=2)
return path
except:
return None
def export_csv():
if not all_results:
return None
try:
import csv
path = "gitops_guardian_export.csv"
with open(path, 'w', newline='') as f:
writer = csv.writer(f)
writer.writerow(['PR', 'Title', 'Repo', 'Risk Score', 'Level', 'Security', 'Compliance', 'URL'])
for r in all_results:
writer.writerow([
r.pr.number, r.pr.title, r.pr.repo,
f"{r.risk_assessment.overall_risk:.2f}",
r.risk_assessment.risk_level.value,
f"{r.risk_assessment.security_score.risk:.2f}",
f"{r.risk_assessment.compliance_score.risk:.2f}",
r.pr.url
])
return path
except:
return None
def scan_and_review():
try:
results = app.review_all()
if not results:
if all_results:
table_data = format_table(all_results)
summary = "No new PRs found. Showing historical reviews below."
stats = format_stats(all_results)
return table_data, summary, stats
else:
return format_table([]), "No new PRs found", ""
if post_comments_enabled[0]:
for result in results:
app.post_pr_comment(result.pr, result)
all_results.extend(results)
table_data = format_table(all_results)
summary = format_summary(results)
stats = format_stats(all_results)
return table_data, summary, stats
except Exception as e:
error_msg = f"Error during scan: {str(e)}"
return [], error_msg, ""
def format_table(results):
table_data = []
for result in results:
pr = result.pr
risk = result.risk_assessment
if risk.risk_level == RiskLevel.SAFE:
emoji = "SAFE"
elif risk.risk_level == RiskLevel.REVIEW:
emoji = "REVIEW"
else:
emoji = "RISKY"
row = [
f"{emoji} #{pr.number}",
pr.title,
pr.repo,
f"{risk.overall_risk:.2f}",
risk.risk_level.value,
f"{risk.security_score.risk:.2f}",
f"{risk.compliance_score.risk:.2f}",
len(risk.security_score.issues),
len(risk.compliance_score.violations),
pr.url
]
table_data.append(row)
return table_data
def format_summary(results):
if not results:
return "No results"
summary = f"## Latest Scan Results\n\n"
summary += f"**Scanned**: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}\n"
summary += f"**PRs Reviewed**: {len(results)}\n\n"
for result in results:
pr = result.pr
risk = result.risk_assessment
level_marker = "SAFE" if risk.risk_level == RiskLevel.SAFE else "REVIEW" if risk.risk_level == RiskLevel.REVIEW else "RISKY"
summary += f"### PR #{pr.number}: {pr.title}\n\n"
summary += f"**Risk**: {risk.overall_risk:.2f} ({level_marker})\n\n"
summary += f"**Security**: {risk.security_score.risk:.2f} - {risk.security_score.summary}\n\n"
if risk.security_score.issues:
summary += "**Security Issues**:\n"
for issue in risk.security_score.issues[:3]:
summary += f"- [{issue.severity}] {issue.description}\n"
summary += "\n"
summary += f"**Compliance**: {risk.compliance_score.risk:.2f} - {risk.compliance_score.summary}\n\n"
if risk.compliance_score.violations:
summary += "**Compliance Violations**:\n"
for violation in risk.compliance_score.violations[:3]:
summary += f"- [{violation.severity}] {violation.description}\n"
summary += "\n"
summary += f"**Recommendation**: {risk.recommendation}\n\n"
summary += "---\n\n"
return summary
def format_stats(results):
if not results:
return "No statistics available"
total = len(results)
safe = sum(1 for r in results if r.risk_assessment.risk_level == RiskLevel.SAFE)
review = sum(1 for r in results if r.risk_assessment.risk_level == RiskLevel.REVIEW)
risky = sum(1 for r in results if r.risk_assessment.risk_level == RiskLevel.RISKY)
avg_risk = sum(r.risk_assessment.overall_risk for r in results) / total
history_stats = ""
try:
if Path(app.history_file).exists():
with open(app.history_file, 'r') as f:
history = json.load(f)
if len(history) > 1:
recent_risks = [h['risk_score'] for h in history[-10:]]
trend = "Increasing" if recent_risks[-1] > recent_risks[0] else "Decreasing"
history_stats = f"\n**Historical Trend** (last 10): {trend}\n**Total Reviews**: {len(history)}"
except:
pass
stats = f"""## Overall Statistics
**Total PRs Reviewed**: {total}
**Risk Distribution**:
- Safe: {safe} ({safe/total*100:.1f}%)
- Review: {review} ({review/total*100:.1f}%)
- Risky: {risky} ({risky/total*100:.1f}%)
**Average Risk Score**: {avg_risk:.2f}
**Session Cost**: ${app.total_cost:.6f}
{history_stats}
**Repositories**: {', '.join(app.gitops_repos)}
"""
return stats
with gr.Blocks(title="GitOps Guardian", theme=gr.themes.Soft()) as interface:
gr.Markdown("""
# GitOps Guardian
**AI-Powered Pull Request Security & Compliance Review**
Multi-agent system that scans GitOps repositories and identifies security risks and compliance violations.
""")
with gr.Row():
scan_button = gr.Button("Scan Repositories & Review PRs", variant="primary", size="lg")
post_comment_checkbox = gr.Checkbox(label="Post results as PR comments", value=False)
with gr.Row():
export_json_btn = gr.Button("Export JSON", size="sm")
export_csv_btn = gr.Button("Export CSV", size="sm")
json_file = gr.File(label="Download JSON", visible=False)
csv_file = gr.File(label="Download CSV", visible=False)
gr.Markdown("## Review Results")
initial_table = format_table(all_results) if all_results else []
initial_summary = "Historical reviews loaded. Click 'Scan' to check for new PRs." if all_results else "Click 'Scan' to review PRs"
initial_stats = format_stats(all_results) if all_results else "No reviews yet"
with gr.Row():
pr_table = gr.Dataframe(
headers=[
"PR #", "Title", "Repo", "Risk Score", "Level",
"Security", "Compliance", "Security Issues",
"Violations", "URL"
],
value=initial_table,
label="Pull Requests",
wrap=True,
interactive=False,
column_widths=["5%", "20%", "15%", "8%", "8%", "8%", "8%", "8%", "8%", "12%"]
)
with gr.Row():
with gr.Column(scale=2):
summary_output = gr.Markdown(value=initial_summary, label="Detailed Results")
with gr.Column(scale=1):
stats_output = gr.Markdown(value=initial_stats, label="Statistics")
gr.Markdown("""
## How It Works
1. **Scanner Agent** - Fetches open PRs from configured GitOps repos
2. **Security Agent** - Analyzes for secrets and vulnerabilities using OpenAI
3. **Compliance Agent** - Validates Kubernetes best practices
4. **Ensemble Agent** - Combines scores into risk assessment
## Configuration
Set these in `.env`:
- `GITHUB_TOKEN` - GitHub personal access token
- `OPENAI_API_KEY` - OpenAI API key
- `GITOPS_REPOS` - Comma-separated repo names (owner/repo)
""")
def update_comment_setting(enabled):
post_comments_enabled[0] = enabled
return f"PR comments: {'Enabled' if enabled else 'Disabled'}"
post_comment_checkbox.change(
fn=update_comment_setting,
inputs=[post_comment_checkbox],
outputs=[]
)
scan_button.click(
fn=scan_and_review,
inputs=[],
outputs=[pr_table, summary_output, stats_output]
)
export_json_btn.click(
fn=export_json,
inputs=[],
outputs=[json_file]
)
export_csv_btn.click(
fn=export_csv,
inputs=[],
outputs=[csv_file]
)
return interface
def main():
print("\nGitOps Guardian - AI-Powered PR Review System\n")
try:
interface = create_gradio_app()
interface.launch(
server_name="0.0.0.0",
server_port=7860,
share=False,
show_error=True
)
except Exception as e:
print(f"Failed to start: {e}")
raise
if __name__ == "__main__":
main()