CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

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

[Unreleased]

Added

Changed

• OpenAPI schema is now sourced from the versioned hyperfleet-api-spec Go module instead of being downloaded from hyperfleet-api main branch

Deprecated

Removed

• BREAKING CHANGE: messaging_system config field and MESSAGING_SYSTEM env var removed, messaging.system OTel span attribute is now derived from publisher.BrokerType(). Remove messaging_system from configs before upgrading.

Fixed

Security

0.1.1 - 2026-03-10

Added

• Standard metrics labels to Sentinel Prometheus metrics for consistent monitoring across HyperFleet components
• ServiceMonitor resource for Prometheus Operator environments
• PodDisruptionBudget to protect Sentinel availability during voluntary disruptions
• Helm chart linting and template validation to CI via Makefile targets
• Support for nested field paths in message_data configuration for richer event content
• Functional health and readiness probes beyond basic liveness checks

Changed

• Updated hyperfleet-broker to v1.1.0 and integrated MetricsRecorder for broker-level observability
• Standardized Helm value structure for consistency across HyperFleet charts
• Moved Sentinel Helm chart to charts/ directory following repository conventions
• GCP-specific monitoring resources are now disabled by default
• Standardized Dockerfile and Makefile for unified image build process
• Standardized version injection to avoid collisions with go-toolset environment variables

Fixed

• RabbitMQ connection URL now included in broker ConfigMap for proper broker discovery
• CA certificates copied from builder stage to ubi9-micro runtime, resolving TLS verification failures
• Clarified Helm deployment instructions for GKE environments using Quay images

0.1.0 - 2026-02-19

Added

• Initial release of HyperFleet Sentinel Service
• Kubernetes resource polling for clusters and nodepools
• CloudEvents publishing with broker abstraction (GCP Pub/Sub, RabbitMQ, Stub)
• Horizontal sharding via resource selector labels
• Configurable polling intervals and max age intervals (not ready vs ready resources)
• CEL-based message data templating for custom CloudEvents payloads
• Prometheus metrics for observability
• Grafana dashboard for monitoring
• PodMonitoring support for GKE with Google Cloud Managed Prometheus
• Helm chart for deployment
• Integration tests with testcontainers (RabbitMQ and GCP Pub/Sub)
• OpenAPI client generation from hyperfleet-api specification
• Configuration validation at startup
• HyperFleet API client with retry logic
• Comprehensive test coverage and linting

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