update and refactor artifact registry module (#1536)

modules/artifact-registry/main.tf

@@ -1,5 +1,5 @@
 /**
- * Copyright 2022 Google LLC
+ * Copyright 2023 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,89 @@
  * limitations under the License.
  */
 
+locals {
+  format_string = one([for k, v in var.format : k if v != null])
+  mode_string   = one([for k, v in var.mode : k if v != null && v != false])
+}
+
 resource "google_artifact_registry_repository" "registry" {
-  provider      = google-beta
   project       = var.project_id
   location      = var.location
   description   = var.description
-  format        = var.format
+  format        = upper(local.format_string)
   labels        = var.labels
-  repository_id = var.id
+  repository_id = var.name
+  mode          = "${upper(local.mode_string)}_REPOSITORY"
   kms_key_name  = var.encryption_key
+
+  dynamic "docker_config" {
+    for_each = local.format_string == "docker" ? [""] : []
+    content {
+      immutable_tags = var.format.docker.immutable_tags
+    }
+  }
+
+  dynamic "maven_config" {
+    for_each = local.format_string == "maven" ? [""] : []
+    content {
+      allow_snapshot_overwrites = var.format.maven.allow_snapshot_overwrites
+      version_policy            = var.format.maven.version_policy
+    }
+  }
+
+  dynamic "remote_repository_config" {
+    for_each = local.mode_string == "remote" ? [""] : []
+    content {
+      dynamic "docker_repository" {
+        for_each = local.format_string == "docker" ? [""] : []
+        content {
+          public_repository = "DOCKER_HUB"
+        }
+      }
+      dynamic "maven_repository" {
+        for_each = local.format_string == "maven" ? [""] : []
+        content {
+          public_repository = "MAVEN_CENTRAL"
+        }
+      }
+      dynamic "npm_repository" {
+        for_each = local.format_string == "npm" ? [""] : []
+        content {
+          public_repository = "NPMJS"
+        }
+      }
+      dynamic "python_repository" {
+        for_each = local.format_string == "python" ? [""] : []
+        content {
+          public_repository = "PYPI"
+        }
+      }
+    }
+  }
+
+  dynamic "virtual_repository_config" {
+    for_each = local.mode_string == "virtual" ? [""] : []
+    content {
+      dynamic "upstream_policies" {
+        for_each = var.mode.virtual
+        content {
+          id         = upstream_policies.key
+          repository = upstream_policies.value.repository
+          priority   = upstream_policies.value.priority
+        }
+      }
+    }
+  }
+
+  lifecycle {
+    precondition {
+      condition = local.mode_string != "remote" || contains(
+        ["docker", "maven", "npm", "python"], local.format_string
+      )
+      error_message = "Invalid format for remote repository."
+    }
+  }
+
 }
 
 resource "google_artifact_registry_repository_iam_binding" "bindings" {