Add Plex Media Server observability #13

Merged

eblume merged 3 commits from feature/plex-observability into main

2026-01-15 15:27:59 -08:00

eblume commented

2026-01-15 15:15:15 -08:00

Owner

Summary

Add plex_metrics ansible role with textfile collector for Prometheus metrics
Add Plex log collection to Alloy (forwards to Loki)
Add Grafana dashboard for Plex monitoring (status, library counts, sessions, transcoding, logs)

Metrics Collected

plex_up - server health
plex_version_info - server version
plex_sessions_total/playing/paused - active sessions
plex_transcode_sessions_total/video/audio - transcoding status
plex_library_items{library,type} - library item counts

Prerequisites

Plex token must be stored at ~/.plex-token on indri (already done).

Test plan

Dry-run passed (mise run provision-indri -- --check --diff)
Apply changes (mise run provision-indri)
Verify metrics: ssh indri 'cat /opt/homebrew/var/node_exporter/textfile/plex.prom'
Verify logs in Grafana Explore: {service="plex"}
Check Plex dashboard in Grafana

🤖 Generated with Claude Code

## Summary - Add `plex_metrics` ansible role with textfile collector for Prometheus metrics - Add Plex log collection to Alloy (forwards to Loki) - Add Grafana dashboard for Plex monitoring (status, library counts, sessions, transcoding, logs) ## Metrics Collected - `plex_up` - server health - `plex_version_info` - server version - `plex_sessions_total/playing/paused` - active sessions - `plex_transcode_sessions_total/video/audio` - transcoding status - `plex_library_items{library,type}` - library item counts ## Prerequisites Plex token must be stored at `~/.plex-token` on indri (already done). ## Test plan - [x] Dry-run passed (`mise run provision-indri -- --check --diff`) - [x] Apply changes (`mise run provision-indri`) - [x] Verify metrics: `ssh indri 'cat /opt/homebrew/var/node_exporter/textfile/plex.prom'` - [x] Verify logs in Grafana Explore: `{service="plex"}` - [x] Check Plex dashboard in Grafana 🤖 Generated with [Claude Code](https://claude.com/claude-code)

eblume added 1 commit

2026-01-15 15:15:16 -08:00

Add Plex Media Server observability (metrics, logs, dashboard) 77b34ec523

- Create plex_metrics ansible role with textfile collector script
- Add Plex log collection to Alloy configuration
- Add Grafana dashboard for Plex server monitoring
- Update indri.yml playbook to include plex_metrics role

Metrics collected:
- plex_up (server health)
- plex_version_info (server version)
- plex_sessions_total/playing/paused (active sessions)
- plex_transcode_sessions_total/video/audio (transcoding)
- plex_library_items{library,type} (library counts)

Requires Plex token stored at ~/.plex-token on indri.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

eblume added 1 commit

2026-01-15 15:22:27 -08:00

Fix heredoc EOF marker in plex-metrics script 9d2d744f34

The EOF marker was on the same line as the library_metrics variable,
causing the heredoc to not close properly.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

eblume added 1 commit

2026-01-15 15:26:57 -08:00

Rewrite plex-metrics to use jq for JSON parsing 026026572d

The grep-based JSON parsing was fragile and broke on nested arrays
(like Location inside Directory). Using jq properly handles the
JSON structure.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>