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blumeops/docs/zk/transmission.md
Erich Blume b8104d75ad Move zk cards to docs/zk/ for documentation restructuring (#84) 
## Summary
- Move all existing zettelkasten cards from `docs/` to `docs/zk/` as a temporary holding area
- Update `zk-docs` mise task to look in the new location
- Add `docs/README.md` explaining the Diataxis-based restructuring plan and target audiences

## Context
This is phase 1 of a multi-phase documentation restructuring effort. The goal is to reorganize docs to follow the Diataxis framework while serving multiple audiences:
1. Erich (owner) - knowledge graph/zk
2. Claude/AI agents - memory and context enrichment
3. New external readers - high-level overview
4. Potential operators/contributors - onboarding
5. Replicators - people wanting to duplicate the approach

## Testing
- [x] Verified `mise run zk-docs` still works with the new path
- [x] Updated obsidian.nvim config (in ~/.config/nvim) to point to new path

## Note
The obsidian.nvim config change is outside this repo but was made as part of this work.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/84
2026-02-03 09:13:50 -08:00

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id aliases tags
transmission
transmission
blumeops

Transmission Management Log

Transmission is a BitTorrent daemon running in Kubernetes, primarily used to download large ZIM archives for kiwix.

Service Details

  • URL: https://torrent.tail8d86e.ts.net
  • Namespace: torrent
  • Image: lscr.io/linuxserver/transmission:latest
  • ArgoCD app: torrent
  • Storage: NFS PVC from sifaka (/volume1/torrents)

Useful Commands

# View transmission logs
kubectl --context=minikube-indri -n torrent logs -f deployment/transmission

# Check RPC connectivity (from another pod)
kubectl --context=minikube-indri run -it --rm curl --image=curlimages/curl -- \
  curl -s http://transmission.torrent.svc.cluster.local:9091/transmission/rpc

# Sync from ArgoCD
argocd app sync torrent

ArgoCD Management

Transmission is deployed via ArgoCD from argocd/manifests/torrent/:

  • deployment.yaml - Transmission container with NFS volume
  • service.yaml - ClusterIP service (port 9091)
  • ingress-tailscale.yaml - Tailscale Ingress for web UI
  • pv-nfs.yaml - NFS PersistentVolume
  • pvc.yaml - PersistentVolumeClaim

Storage Layout

The NFS share on sifaka (/volume1/torrents) has this structure:

  • /downloads/ - Active downloads and torrent metadata
  • /downloads/complete/ - Completed downloads
  • /config/ - Transmission configuration
  • /watch/ - Watch directory for .torrent files

Kiwix reads from /downloads/complete/ to serve ZIM archives.

Integration with Kiwix

The kiwix deployment includes a torrent-sync sidecar that:

  1. Reads the declarative ZIM torrent list from a ConfigMap
  2. Adds missing torrents to Transmission via RPC
  3. Runs on startup and every 30 minutes

When downloads complete:

  1. Transmission moves files to /downloads/complete/
  2. The zim-watcher CronJob (in kiwix namespace) detects new ZIMs
  3. Kiwix deployment is restarted to pick up new archives

Monitoring

TODO: Write custom transmission exporter. Existing exporters (metalmatze/transmission-exporter, sandrotosi/simple_transmission_exporter) are incompatible with Transmission 4's changed JSON API (type mismatches in lastScrapeTimedOut field).

Current monitoring via web UI at https://torrent.tail8d86e.ts.net:

  • Active/seeding/paused torrent counts
  • Upload/download speeds
  • Disk usage

Basic uptime monitoring via blackbox probe in alloy (see Services Health dashboard).

Log

2026-01-22

  • Attempted to add metalmatze/transmission-exporter sidecar for Prometheus metrics
  • Exporter failed with JSON parsing errors - incompatible with Transmission 4 API changes
  • Removed exporter sidecar, dashboard, and Prometheus scrape config
  • Added basic HTTP probe via Alloy k8s blackbox exporter instead
  • Deleted stale transmission.prom textfile from indri

2026-01-21 (P6)

  • Migrated to Kubernetes (Phase 6 of k8s migration)
  • NFS PersistentVolume for storage on sifaka
  • Tailscale Ingress at torrent.tail8d86e.ts.net
  • RPC accessible to kiwix namespace for torrent sync
  • Moved existing ZIM files to /downloads/complete/ for seeding
  • Retired ansible transmission role from indri

2026-01-14

  • Added transmission role to ansible playbook
  • Integrated with kiwix role for torrent-based ZIM downloads
  • Initial setup with transmission-cli via homebrew
  • Managed via brew services on port 9091
  • Metrics collected via textfile exporter