Manually set realm ID

[cpesch]

A step forward to address issue #634

I want to allow the usage of all realm names that are currently not used. Due to Keycloaks "feature" to use the realm names for the ID, I'd additionally need to deny the usage of all realm names that were used at creation time and I'd like to avoid that.

• Changes the internal_id from 'Computed' to 'Optional' to allow setting it externally to a UUID
• Avoids setting ResourceData's internal_id to null when it is not passed in setRealmData() to avoid endless updates from the ID to null
• Retrieves the realm name when deleting realms since the Keycloak API relies on it and with the change the realm ID might differ from the name

Successfully tested with

locals {
  realms = {
    "abc" = {},
    "def" = {}
  }
}

resource "keycloak_realm" "id_realm" {
  for_each     = local.realms
  internal_id  = "my-${each.key}-id"
  realm        = "my-id-${each.key}-realm-name"
}

resource "keycloak_realm" "name_realm" {
  for_each     = local.realms
  realm        = "my-named-${each.key}-realm"
}

@mrparkers @dmeyerholt please have a look

[dmeyerholt]

Thanks for taking over this issue @cpesch .as long as the older tests from the initial PR are still working it should be fine. will try your branch in a local build with our extensive config this week. Maybe adding some tests for your use case could be added.

[mrparkers]

Hi @cpesch, I ended up opening #807 for this instead to add a test for this. Thanks for your effort here!