Merge pull request #44 from Azure/e-43

Change `output identity_ids` to new `container_app_identities`

outputs.tf

@@ -8,12 +8,17 @@ output "container_app_fqdn" {
   value       = { for name, container in azurerm_container_app.container_app : name => "https://${try(container.ingress[0].fqdn, "")}" if can(container.ingress[0].fqdn) }
 }
 
+output "container_app_identities" {
+  description = "The identities of the Container App, key is Container App's name."
+  value = { for name, container in azurerm_container_app.container_app : name => length(container.identity) > 0 ? {
+    type         = try(container.identity[0].type, "")
+    identity_ids = try(container.identity[0].identity_ids, [])
+    principal_id = try(container.identity[0].principal_id, "")
+    tenant_id    = try(container.identity[0].tenant_id, "")
+  } : null }
+}
+
 output "container_app_ips" {
   description = "The IPs of the Latest Revision of the Container App."
   value       = try(azurerm_container_app_environment.container_env[0].static_ip_address, data.azurerm_container_app_environment.container_env[0].static_ip_address)
 }
-
-output "identity_ids" {
-  description = "The identities of the Container App."
-  value       = { for name, container in azurerm_container_app.container_app : name => container.identity }
-}