Extension Maintenance

[AIR-3][AIS-3][AIT-3][RES-3]

Comprehensive guide for maintaining extensions in the Anya Core ecosystem, covering updates, versioning, deprecation policies, and long-term support strategies.

Last updated: June 7, 2025

Overview

Extension maintenance ensures the continued security, performance, and compatibility of extensions within the evolving Anya Core platform. This document outlines procedures and best practices for maintaining extensions throughout their lifecycle.

Maintenance Lifecycle

Development Phase

  • Code Review: All changes undergo peer review
  • Testing: Comprehensive test coverage before release
  • Documentation: Keep documentation synchronized with code
  • Security: Regular security audits and vulnerability assessments

Production Phase

  • Monitoring: Continuous health and performance monitoring
  • Updates: Regular updates for security patches and improvements
  • Support: Active community and enterprise support
  • Migration: Assistance with platform upgrades

End-of-Life Phase

  • Deprecation Notice: 6-month advance warning
  • Migration Path: Clear upgrade/replacement guidance
  • Support Period: Extended support during transition
  • Archive: Proper archival of extension and documentation

Update Management

Semantic Versioning

Extensions must follow semantic versioning (SemVer):

  • MAJOR: Breaking changes to API or behavior
  • MINOR: New features, backward compatible
  • PATCH: Bug fixes, backward compatible
[package]
name = "my-extension"
version = "2.1.3"

Update Process

  1. Preparation

```bash # Update dependencies cargo update

# Run full test suite cargo test --all-features

# Update documentation cargo doc --no-deps ```

  1. Release Preparation

```bash # Version bump cargo release patch # or minor/major

# Generate changelog git-cliff > CHANGELOG.md

# Create release branch git checkout -b release/v2.1.4 ```

  1. Quality Assurance

```bash # Security audit cargo audit

# Performance benchmarks cargo bench

# Integration testing cargo test --test integration ```

  1. Release

```bash # Tag release git tag v2.1.4 git push origin v2.1.4

# Publish to registry cargo publish ```

Automated Updates

# .github/workflows/maintenance.yml
name: Extension Maintenance

on:
  schedule:
    - cron: '0 2 * * 1'  # Weekly on Monday at 2 AM
  workflow_dispatch:

jobs:
  dependency-update:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Update Dependencies
        run: |
          cargo update
          cargo test
      - name: Create PR
        if: changes detected
        uses: peter-evans/create-pull-request@v5
        with:
          title: 'chore: update dependencies'
          body: 'Automated dependency update'

  security-audit:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Security Audit
        run: cargo audit
      - name: Report Vulnerabilities
        if: failure()
        uses: actions/github-script@v6
        with:
          script: |
            github.rest.issues.create({
              owner: context.repo.owner,
              repo: context.repo.repo,
              title: 'Security vulnerabilities detected',
              body: 'Automated security audit found vulnerabilities'
            })

Version Compatibility

Platform Version Support

Extensions should support the current and previous major version of Anya Core:

[dependencies]
anya-core = ">=1.0, <3.0"  # Support v1.x and v2.x

Compatibility Matrix

Extension Version Anya Core Version Support Status
2.1.x 2.0.x ✅ Active
2.0.x 1.9.x, 2.0.x ✅ Active
1.9.x 1.8.x, 1.9.x ⚠️ Maintenance
1.8.x 1.8.x ❌ End of Life

Migration Guidelines

When breaking changes are necessary:

  1. Deprecation Period: Mark old APIs as deprecated

rust #[deprecated(since = "2.1.0", note = "Use new_api() instead")] pub fn old_api(&self) -> Result<(), Error> { // Implementation with migration warning warn!("old_api() is deprecated, use new_api()"); self.new_api() }

  1. Migration Documentation

```markdown ## Migration from v1.x to v2.x

### Breaking Changes - old_function() removed, use new_function() instead - Configuration format changed from TOML to YAML

### Migration Steps 1. Update configuration files 2. Replace deprecated function calls 3. Test thoroughly in staging environment ```

  1. Automated Migration Tools

rust // Migration utility pub fn migrate_v1_to_v2(old_config: V1Config) -> Result<V2Config, MigrationError> { V2Config { network: migrate_network_config(old_config.network)?, security: migrate_security_config(old_config.security)?, // ... other fields } }

Security Maintenance

Vulnerability Management

  1. Detection
  2. Automated dependency scanning
  3. Regular security audits

  4. Community vulnerability reports

  5. Assessment

  6. Severity classification (Critical/High/Medium/Low)
  7. Impact analysis

  8. Exploitability assessment

  9. Response

  10. Critical: Patch within 24 hours
  11. High: Patch within 1 week
  12. Medium: Patch in next minor release
  13. Low: Patch in next major release

Security Update Process

# 1. Create security branch
git checkout -b security/CVE-2024-xxxx

# 2. Apply security fix
# ... make changes ...

# 3. Test security fix
cargo test
cargo audit

# 4. Create security release
git tag v2.1.3-security
git push origin v2.1.3-security

# 5. Publish emergency release
cargo publish

Security Advisories

# security-advisory.yaml
id: ANYA-2024-001
title: "Buffer overflow in transaction parser"
severity: HIGH
affected_versions: ">=2.0.0, <2.1.3"
fixed_version: "2.1.3"
description: |
  A buffer overflow vulnerability exists in the transaction parser
  that could allow remote code execution.
mitigation: |
  Upgrade to version 2.1.3 or later immediately.

Performance Maintenance

Performance Monitoring

// Built-in performance metrics
use anya_core::metrics::{Histogram, Counter};

static PROCESSING_TIME: Histogram = Histogram::new("extension_processing_duration_seconds");
static ERROR_COUNT: Counter = Counter::new("extension_errors_total");

impl MyExtension {
    #[instrument]
    async fn process_transaction(&self, tx: &Transaction) -> Result<(), ProcessingError> {
        let timer = PROCESSING_TIME.start_timer();

        match self.do_process(tx).await {
            Ok(result) => {
                timer.observe_duration();
                Ok(result)
            }
            Err(e) => {
                ERROR_COUNT.increment();
                Err(e)
            }
        }
    }
}

Performance Benchmarks

// benches/transaction_processing.rs
use criterion::{black_box, criterion_group, criterion_main, Criterion};

fn benchmark_transaction_processing(c: &mut Criterion) {
    let extension = MyExtension::new(test_config());
    let transaction = create_test_transaction();

    c.bench_function("process_transaction", |b| {
        b.iter(|| {
            black_box(extension.process_transaction(black_box(&transaction)))
        })
    });
}

criterion_group!(benches, benchmark_transaction_processing);
criterion_main!(benches);

Performance Optimization

  1. Profiling

```bash # CPU profiling cargo build --release perf record --call-graph=dwarf target/release/extension perf report

# Memory profiling valgrind --tool=massif target/release/extension ms_print massif.out.xxx ```

  1. Optimization Targets
  2. Reduce memory allocations
  3. Optimize hot paths
  4. Improve cache locality
  5. Minimize network calls

Testing and Quality Assurance

Automated Testing Pipeline

# .github/workflows/qa.yml
name: Quality Assurance

on: [push, pull_request]

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust: [stable, beta, nightly]
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}

      - name: Run Tests
        run: |
          cargo test --all-features
          cargo test --no-default-features

      - name: Run Benchmarks
        run: cargo bench

      - name: Check Documentation
        run: cargo doc --no-deps

Test Coverage

# Generate coverage report
cargo install cargo-tarpaulin
cargo tarpaulin --out Html --output-dir coverage/

# Coverage requirements
# - Unit tests: >90%
# - Integration tests: >80%
# - End-to-end tests: >70%

Documentation Maintenance

Documentation Standards

  • API Documentation: Auto-generated from code comments
  • User Guides: Manually maintained with examples
  • Architecture Docs: Updated with major changes
  • Migration Guides: Created for breaking changes

Documentation Updates

# Update documentation
cargo doc --no-deps
mdbook build docs/

# Check for broken links
linkchecker docs/

# Validate examples
cargo test --doc

Documentation Review Process

  1. Technical Review: Verify accuracy and completeness
  2. Editorial Review: Check grammar, clarity, and style
  3. User Testing: Validate with real user scenarios
  4. Accessibility: Ensure documentation is accessible

Community Support

Support Channels

  • GitHub Issues: Bug reports and feature requests
  • Discussions: General questions and community support
  • Discord: Real-time community chat
  • Documentation: Self-service support

Issue Triage Process

  1. Labeling: Categorize by type, priority, and component
  2. Assignment: Route to appropriate maintainer
  3. Response: Acknowledge within 48 hours
  4. Resolution: Target response times by priority

Community Contributions

## Contributing to Extension Maintenance

### Reporting Issues
- Use issue templates
- Provide reproduction steps
- Include environment details

### Submitting Fixes
- Fork repository
- Create feature branch
- Follow coding standards
- Include tests
- Update documentation

Backup and Recovery

Extension Backup

# Backup extension state
kubectl create backup extension-backup \
  --include-namespaces=anya-extensions \
  --storage-location=s3

# Backup configuration
git archive --format=tar.gz \
  --output=extension-config-$(date +%Y%m%d).tar.gz \
  HEAD config/

Disaster Recovery

  1. Recovery Point Objective (RPO): 1 hour
  2. Recovery Time Objective (RTO): 30 minutes
  3. Backup Frequency: Every 6 hours
  4. Testing: Monthly recovery drills

Metrics and Reporting

Health Metrics

  • Uptime: 99.9% target
  • Response Time: <100ms p95
  • Error Rate: <0.1%
  • Resource Usage: CPU <70%, Memory <80%

Maintenance Reports

// Monthly maintenance report
#[derive(Serialize)]
struct MaintenanceReport {
    period: String,
    updates: Vec<UpdateSummary>,
    security_patches: Vec<SecurityPatch>,
    performance_metrics: PerformanceMetrics,
    incidents: Vec<Incident>,
    community_stats: CommunityStats,
}

Resources