resource-metadata.md

Resource Metadata

Expose key workspace information to your users via coder_metadata resources in your template code.

Coder automatically generates the type metadata.

You can use coder_metadata to show

• Compute resources
• IP addresses
• Secrets
• Important file paths

and any other Terraform resource attribute.

Example

Expose the disk size, deployment name, and persistent directory in a Kubernetes template with:

resource "kubernetes_persistent_volume_claim" "root" {
    ...
}

resource "kubernetes_deployment" "coder" {
  # My deployment is ephemeral
  count = data.coder_workspace.me.start_count
  ...
}

resource "coder_metadata" "pvc" {
  resource_id = kubernetes_persistent_volume_claim.root.id
  item {
    key = "size"
    value = kubernetes_persistent_volume_claim.root.spec[0].resources[0].requests.storage
  }
  item {
    key = "dir"
    value = "/home/coder"
  }
}

resource "coder_metadata" "deployment" {
  count = data.coder_workspace.me.start_count
  resource_id = kubernetes_deployment.coder[0].id
  item {
    key = "name"
    value = kubernetes_deployment.coder[0].metadata[0].name
  }
}

Hiding resources in the UI

Some resources don't need to be exposed in the UI; this helps keep the workspace view clean for developers. To hide a resource, use the hide attribute:

resource "coder_metadata" "hide_serviceaccount" {
  count = data.coder_workspace.me.start_count
  resource_id = kubernetes_service_account.user_data.id
  hide = true
  item {
    key = "name"
    value = kubernetes_deployment.coder[0].metadata[0].name
  }
}

Using custom resource icon

To use custom icons on your resources, use the icon attribute (must be a valid path or URL):

resource "coder_metadata" "resource_with_icon" {
  count = data.coder_workspace.me.start_count
  resource_id = kubernetes_service_account.user_data.id
  icon = "/icon/database.svg"
  item {
    key = "name"
    value = kubernetes_deployment.coder[0].metadata[0].name
  }
}

To make easier for you to customize your resource we added some built-in icons:

• Folder /icon/folder.svg
• Memory /icon/memory.svg
• Image /icon/image.svg
• Widgets /icon/widgets.svg
• Database /icon/database.svg

We also have other icons related to the IDEs. You can see all the icons here.

Up next

• Learn about secrets