The agent version was always showing 0.1.0 because build.rs tried to
run 'git describe' inside the Docker build, but .git directory wasn't
copied into the image.
Changes:
- Add VERSION build arg to Dockerfile
- Pass VERSION as env var to cargo build commands
- Update GitLab CI to pass --build-arg VERSION
- Modify build.rs to prefer BUILD_VERSION env var over git commands
This ensures the version displayed by the agent matches the Docker
image tag it was built with.
Added comprehensive timestamp formatting to both agent logs and UI:
Rust Agent Logger:
- Added chrono dependency to Cargo.toml
- Updated SimpleLogger to include timestamps in log output
- Format: [2026-01-15 19:45:23.456] [LEVEL] message
- Shows full date, time, and milliseconds for precise log tracking
Phoenix UI Enhancements:
- Added format_datetime/1 - Full date/time with timezone
- Added format_date/1 - Short date format
- Added format_last_seen_with_date/1 - Relative time with full date
- Updated agent show page to display full timestamps in 'Last Seen' card
- Added comprehensive Timestamps section showing:
- Created date (inserted_at)
- Last Updated date (updated_at)
- Last Seen date (last_seen_at with heartbeat context)
- Last IP Address
- Updated agent index page to show full datetime alongside relative time
All timestamps now include both human-readable relative times ('5m ago')
and precise absolute dates for accurate record keeping and debugging.
Added /health HTTP endpoint on port 8080 that returns:
- Agent status and version
- Uptime in seconds
- Pending metrics count
- Last error (if any)
Implementation:
- Uses lightweight tiny_http server in background thread
- Non-blocking health checks
- Returns JSON for easy integration with monitoring tools
- Ready for Kubernetes liveness/readiness probes
Example response:
{
"status": "healthy",
"version": "0.1.0",
"uptime_seconds": 3600,
"config_last_fetch": "2026-01-14T23:00:00Z",
"metrics_pending": 0,
"last_error": null
}
The agent was failing with 'no TLS backend is configured' because
ureq was configured with 'default-features = false' which disables
TLS entirely. Removing this restriction allows ureq to use its default
TLS implementation (rustls on supported platforms).
This fixes HTTPS connections to the Towerops API.
