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Blacksmith v1.0.12

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@github-actions github-actions released this 02 Sep 16:07
· 63 commits to dev since this release
v1.0.12
8bcf12c

Release Notes - v1.0.12

Overview

This release focuses on comprehensive reconciler hardening to prevent production crashes and ensure maximum uptime through defensive programming practices.

Key Features

🛡️ Production Crash Prevention

  • Panic Recovery: Added comprehensive panic recovery in main reconciliation loop and all goroutines
  • Stack Trace Logging: Detailed stack traces for debugging while maintaining service availability
  • State Cleanup: Proper cleanup of locks and state even when panics occur
  • Metrics Integration: Panic events tracked in metrics and status updates

⚙️ Configuration Safety

  • Enhanced Validation: Config validation now sets safe defaults instead of failing
  • Deadlock Prevention: Ensures channel buffer sizes are always positive
  • Timeout Validation: All timeout values validated to prevent nil/zero timeouts
  • Auto-correction: Invalid rate limits, retry configs, and batch sizes automatically corrected
  • Concurrency Limits: MaxConcurrent set to minimum of 1 to prevent channel deadlocks

🔒 Nil Pointer Protection

  • Rate Limiter Safety: Nil checks for all rate limiters before Wait() calls
  • Circuit Breaker Handling: Nil checks for circuit breakers with graceful fallback
  • Vault Updater Checks: Safe handling of vault updater operations
  • Interface Safety: Proper nil checks for interface{} components throughout
  • Bounds Checking: Safe array/slice access with proper bounds validation

🚀 Startup Sequencing & Vault Readiness

  • Vault Health Check: Added isVaultReady() health check in reconciler adapter
  • Startup Wait: Waits up to 30 seconds for Vault initialization and unsealing
  • Degraded Mode: Continues with degraded functionality if Vault isn't ready
  • Component Validation: Validates all critical components at startup with clear logging

📊 Enhanced Observability

  • Configuration Logging: Detailed startup configuration logging for debugging
  • Error Context: Enhanced error context in processDeployment with debug logging
  • Component Status: Clear messages about missing/disabled components
  • Validation Warnings: Warning logs for component validation failures
  • Instance ID Tracking: Instance ID extraction logging for troubleshooting

🔄 Graceful Degradation Design

  • Continued Operation: System continues with available components rather than failing
  • CF Manager Resilience: Missing CF manager doesn't crash - just skips CF discovery
  • Circuit Breaker Fallback: Missing circuit breakers don't crash - operations run directly
  • Vault Independence: Vault unavailability doesn't block startup - runs degraded
  • Diagnostic Messages: Clear identification of degraded features

Technical Changes

Modified Files

  • pkg/reconciler/config.go - Enhanced configuration validation and safety
  • pkg/reconciler/credential_vcap_recovery.go - Improved error handling
  • pkg/reconciler/reconciler.go - Comprehensive panic recovery and hardening
  • pkg/reconciler/updater.go - Enhanced nil pointer protection
  • reconciler_adapter.go - Added Vault readiness checks and startup sequencing

Commit Details

  • Commit: 8bcf12c
  • Author: Wayne E. Seguin
  • Date: Sep 2, 2025

Benefits

  1. Zero Downtime: Production code recovers from panics, never crashes
  2. Defensive Programming: Validates everything before use
  3. Progressive Enhancement: Works with whatever components are available
  4. Clear Diagnostics: Operators know exactly what's happening
  5. Maximum Uptime: Continues operating even when misconfigured

Deployment Notes

This release ensures the reconciler is production-ready with maximum reliability, operating safely even when:

  • External services are unavailable
  • Encountering malformed data
  • Configuration issues exist
  • Resource constraints occur

The system now prioritizes uptime over perfection, gracefully degrading functionality while maintaining core operations.

📦 Release Artifacts

File Description SHA256
blacksmith-1.0.12.tar.gz Server Distribution (includes UI and all platform binaries, gzip) b118fbb1...
blacksmith-1.0.12.tar.bz2 Server Distribution (includes UI and all platform binaries, bzip2) 2be89684...
blacksmith-darwin-amd64 macOS Intel 0c21f233...
blacksmith-darwin-arm64 macOS Apple Silicon (M1/M2/M3) bd768bab...
blacksmith-linux-amd64 Linux AMD64 503483cb...

📋 Installation

Server Distribution

# Download gzip version (smaller, faster decompression)
wget https://github.com/blacksmith-community/blacksmith/releases/download/v1.0.12/blacksmith-1.0.12.tar.gz
tar -xzf blacksmith-1.0.12.tar.gz

# OR download bzip2 version (better compression)
wget https://github.com/blacksmith-community/blacksmith/releases/download/v1.0.12/blacksmith-1.0.12.tar.bz2
tar -xjf blacksmith-1.0.12.tar.bz2

# Extract contains platform-specific binaries:
cd blacksmith-1.0.12/
ls blacksmith-*  # Shows: blacksmith-linux-amd64, blacksmith-darwin-amd64, blacksmith-darwin-arm64

# Use the appropriate binary for your platform:
./blacksmith-linux-amd64 --version    # For Linux
./blacksmith-darwin-amd64 --version   # For macOS Intel
./blacksmith-darwin-arm64 --version   # For macOS Apple Silicon

macOS/Linux Binary

# Download the appropriate binary for your system
# macOS Apple Silicon
curl -LO https://github.com/blacksmith-community/blacksmith/releases/download/v1.0.12/blacksmith-darwin-arm64

# macOS Intel
curl -LO https://github.com/blacksmith-community/blacksmith/releases/download/v1.0.12/blacksmith-darwin-amd64

# Linux AMD64
curl -LO https://github.com/blacksmith-community/blacksmith/releases/download/v1.0.12/blacksmith-linux-amd64

# Make executable and verify
chmod +x blacksmith-*
./blacksmith-* --version

🔒 Verification

Download the checksums file and verify your download:

curl -LO https://github.com/blacksmith-community/blacksmith/releases/download/v1.0.12/checksums.sha256
sha256sum -c checksums.sha256
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