Changelog¶

All notable changes to the One Observability Demo are documented here.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]¶

Security scanning: Enabled fail-on-findings on GitHub Actions ASH workflow and pre-commit ASH hook
Security scanning: Switched to official ASH reusable workflow with Grype and Syft enabled
Security scanning: Disabled cfn-nag scanner (redundant with Checkov/cdk-nag)
Pre-commit hooks: Upgraded all hook revisions to latest versions

Pet Food microservice (petfood-rs): Rust/Axum on ECS Fargate with OTel Rust SDK, DynamoDB, EventBridge, Prometheus metrics
Pet Food Agent (petfoodagent-strands-py): Python AI agent on Bedrock AgentCore using Strands Agents SDK
Pet Food serverless functions: Stock processor, image generator (Bedrock Titan), cleanup processor via EventBridge
Application Signals integration: L2 construct on petsearch-java with SLO definitions
OpenSearch Serverless: Collection and ingestion pipeline for centralized log analytics
VPC Endpoints construct: Interface and gateway endpoints for private connectivity
CodeConnection support: Pipeline source via AWS CodeConnection (GitHub)
Parameter Store configuration: Centralized config via SSM with retrieve-config.sh
CDK cleanup automation: Step Functions state machine with async polling
Cleanup script: Tag-based discovery and deletion of orphaned resources
DynamoDB seeding script: Interactive and non-interactive modes
Image generation script: Bedrock Titan Image Generator v2 with retry logic
Application redeployment script: Cross-platform container builds
ECS port forwarding script: Session Manager-based port forwarding
Workshop NAG pack: Custom CDK Nag rule pack
Canaries: CloudWatch Synthetics for traffic generation and housekeeping
GitHub Actions: Documentation, security scanning, acceptance tests, pre-commit
Documentation: Comprehensive TypeDoc API docs with JSDoc on all source files

Pipeline architecture: 5 stages across 2 waves plus standalone Microservices stage
Pet List Adoptions: Migrated from Go to Python/FastAPI with ADOT auto-instrumentation
Pet Site: Renamed to petsite-net, deployed on EKS with CloudFront and WAF
Observability: Per-service instrumentation strategy across 5 different approaches
FireLens log routing on all ECS tasks
Container Insights on both ECS and EKS clusters

Documentation accuracy: microservice count, languages, stage structure, diagram references