I've rewritten this script in Go which is much easier to use and does more things automatically.
Check this out!
- Set the required environment variables
- Share the volume of rffmpeg config directory with Jellyfin
- Make sure the
cloud-initstring works manually first - All of your workers need Jellyfin's
/config/transcodesand/config/data/subtitlesdirectories available and mounted at the same path as the Jellyfin host. Best solution is to useNFSv4withsyncoption. - Also, I'm assuming you're using Hetzner Storage Box so the defaults will work for you, but if you aren't using a network drive for media you will need to share that directory via NFS as well.
If you need a reference docker compose file use this one.
I made and tested these images to use with this script:
| Name | Default value | Description |
|---|---|---|
| STATE_DIR | /config | Path to rffmpeg config |
| LOG_FILE | STATE_DIR + /log/hcloud-rffmpeg.log | Path to log file |
| DB_PATH | STATE_DIR + /rffmpeg/rffmpeg.db | Path to SQLite database file used by rffmpeg script |
| SSH_KEY | STATE_DIR + /rffmpeg/.ssh/id_ed25519.pub | Path to rffmpeg public ssh key generated by rffmpeg on jellyfin host |
| JELLYFIN_LAN_ONLY_IP | Must be explicitly set! | The IP address of the jellyfin host / nfs share that workers use to access Jellyfin's transcodes and subtitles directories |
| HCLOUD_API_TOKEN | Must be explicitly set! | Hetzner Cloud API token |
| MEDIA_USERNAME | "" | Username for the media share |
| MEDIA_PASSWORD | "" | Password for the media share |
| SERVER_TYPE | cx21 | The type of server from Hetzner that should be used for workers |
| IMAGE_TYPE | docker-ce | The OS image used on workers, docker-ce is Ubuntu with Docker preinstalled |
| SSH_KEY_NAME | root@jellyfin | The name of the ssh key that will be saved on Hetzner and used for connecting to workers |
| NETWORK_NAME | rffmpeg-workers | The name of the network created for local communication between the workers and the Jellyfin host |
| FIREWALL_NAME | rffmpeg-workers | The name of the firewall created for workers, recommended to block access to ssh over the internet |
| PLACEMENT_GROUP_NAME | rffmpeg-workers | The name of the placement group created to spread the workers over the datacenter |
| LOCATION_NAME | nbg1 | The name of the location in which the workers should be created |
| CLOUD_CONFIG | string | The string that setups the workers after creation, the default uses my docker compose and inserts needed env variables |
| JOBS_PER_WORKER | 2 | Number of jobs allowed per worker, the default of 2 tells the script to only create a new worker if there are 2 or more jobs on the previous one. |
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