Erich Blume
7112297150
Phase 1 of docs restructuring: move all zettelkasten cards to a temporary docs/zk/ subdirectory while preparing to build a new Diataxis-based documentation structure. - Move all existing markdown files from docs/ to docs/zk/ - Update zk-docs mise task to look in the new location - Add docs/README.md explaining the restructuring plan Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
100 lines
3.4 KiB
Markdown
100 lines
3.4 KiB
Markdown
---
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id: transmission
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aliases:
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- transmission
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tags:
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- blumeops
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---
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# Transmission Management Log
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Transmission is a BitTorrent daemon running in Kubernetes, primarily used to download large ZIM archives for [[kiwix|Kiwix]].
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## Service Details
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- URL: https://torrent.tail8d86e.ts.net
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- Namespace: `torrent`
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- Image: `lscr.io/linuxserver/transmission:latest`
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- ArgoCD app: `torrent`
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- Storage: NFS PVC from sifaka (`/volume1/torrents`)
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## Useful Commands
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```bash
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# View transmission logs
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kubectl --context=minikube-indri -n torrent logs -f deployment/transmission
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# Check RPC connectivity (from another pod)
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kubectl --context=minikube-indri run -it --rm curl --image=curlimages/curl -- \
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curl -s http://transmission.torrent.svc.cluster.local:9091/transmission/rpc
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# Sync from ArgoCD
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argocd app sync torrent
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```
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## ArgoCD Management
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Transmission is deployed via ArgoCD from `argocd/manifests/torrent/`:
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- `deployment.yaml` - Transmission container with NFS volume
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- `service.yaml` - ClusterIP service (port 9091)
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- `ingress-tailscale.yaml` - Tailscale Ingress for web UI
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- `pv-nfs.yaml` - NFS PersistentVolume
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- `pvc.yaml` - PersistentVolumeClaim
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## Storage Layout
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The NFS share on sifaka (`/volume1/torrents`) has this structure:
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- `/downloads/` - Active downloads and torrent metadata
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- `/downloads/complete/` - Completed downloads
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- `/config/` - Transmission configuration
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- `/watch/` - Watch directory for .torrent files
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Kiwix reads from `/downloads/complete/` to serve ZIM archives.
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## Integration with Kiwix
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The [[kiwix]] deployment includes a torrent-sync sidecar that:
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1. Reads the declarative ZIM torrent list from a ConfigMap
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2. Adds missing torrents to Transmission via RPC
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3. Runs on startup and every 30 minutes
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When downloads complete:
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1. Transmission moves files to `/downloads/complete/`
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2. The zim-watcher CronJob (in kiwix namespace) detects new ZIMs
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3. Kiwix deployment is restarted to pick up new archives
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## Monitoring
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**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).
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Current monitoring via web UI at https://torrent.tail8d86e.ts.net:
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- Active/seeding/paused torrent counts
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- Upload/download speeds
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- Disk usage
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Basic uptime monitoring via blackbox probe in [[alloy|Alloy k8s]] (see Services Health dashboard).
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## Log
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### 2026-01-22
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- Attempted to add `metalmatze/transmission-exporter` sidecar for Prometheus metrics
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- Exporter failed with JSON parsing errors - incompatible with Transmission 4 API changes
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- Removed exporter sidecar, dashboard, and Prometheus scrape config
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- Added basic HTTP probe via Alloy k8s blackbox exporter instead
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- Deleted stale `transmission.prom` textfile from indri
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### 2026-01-21 (P6)
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- **Migrated to Kubernetes** (Phase 6 of k8s migration)
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- NFS PersistentVolume for storage on sifaka
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- Tailscale Ingress at `torrent.tail8d86e.ts.net`
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- RPC accessible to kiwix namespace for torrent sync
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- Moved existing ZIM files to `/downloads/complete/` for seeding
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- Retired ansible transmission role from indri
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### 2026-01-14
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- Added transmission role to ansible playbook
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- Integrated with kiwix role for torrent-based ZIM downloads
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- Initial setup with transmission-cli via homebrew
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- Managed via brew services on port 9091
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- Metrics collected via textfile exporter
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