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Webhook Configuration

Environment Variables

Variable Default Required Description
WEBHOOK_URL <nothing> FALSE Supply this to get information regarding your server's status in a webhook or Discord notification! Click here to learn how to get a webhook url for Discord
WEBHOOK_BROADCAST_MESSAGE CHANGE_ME TRUE You set this. See odin notify --help
WEBHOOK_STATUS_RUNNING "0" FALSE Posts a running status to discord when a command is initialized.
WEBHOOK_STATUS_FAILED "1" FALSE Posts a failed status to discord in the event of a failure.
WEBHOOK_STATUS_SUCCESSFUL "1" FALSE Posts a running status to discord when the command succeeds.
WEBHOOK_INCLUDE_PUBLIC_IP 0 FALSE Optionally include your server's public IP in webhook notications, useful if not using a static IP address.

POST Body Example

{
  "event_type": {
    "name": "Broadcast",
    "status": "triggered"
  },
  "event_message": "Server Status: Broadcast",
  "timestamp": "02/22/2021 17:18:04 -08:00"
}
Key Description
event_type.name Name of the event
event_type.status Status of the event
event_message A description of the event.
timestamp ISO8601 timestamp

Considerations

  • The expected HTTP codes returned from the webhook should be either 204 or 201 to be considered successful.
    • 204 is the default return http code for a webhook as it signifies the request has been processed.
    • 201 was included in case you want to stream into an endpoint for creating a resource.
      • Example 1, logging actions on the server.
      • Example 2, using json-server to debug webhooks.

Discord Configs

Generates a file in the server directory called discord.json. There are a series of variables provided that you can use from the templating engine. See below, note if you use {{some_var}} and its not provided by the table below it will show as a blank. If any of the values turn out blank, discord might reject the post.

 title: String::from(&notification.event_type.name),
  description: String::from(&notification.event_message),
  status: String::from(&notification.event_type.status),
  timestamp: String::from(&notification.timestamp),
  server_name: get_server_name(),
Variable Value Example
{{title}} Event title Start
{{description}} Event Message Server Status: Start Successful
{{status}} Event Status Successful
{{timestamp}} tiemstamp of event 2021-05-30T08:16:39.294366700-07:00
{{server_name}} Name pulled from env or config Created with Valheim Docker

Developing/Debugging Webhooks

  1. Start json-server

    docker run --rm -p 3000:3000 vimagick/json-server  -H 0.0.0.0 -p 3000 -w db.json

  2. Run notify against the webhook

    cargo run -- notify "Derp Testing another notification" --webhook "http://127.0.0.1:3000/posts"