Composer enable_ip_masq_agent flag support (beta) (#9698) (#5277) (#1…

…0256)

Signed-off-by: Modular Magician <[email protected]>

.changelog/5277.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+composer: added field `enable_ip_masq_agent` to resource `google_composer_environment` (beta)
+```

google/resource_composer_environment_test.go

@@ -471,12 +471,12 @@ func testAccComposerEnvironment_nodeCfg(environment, network, subnetwork, servic
 	return fmt.Sprintf(`
 resource "google_composer_environment" "test" {
 	name   = "%s"
-	region = "us-central1"
+	region = "us-east1"  # later should be changed to us-central1, when ip_masq_agent feature is accessible globally
 	config {
 		node_config {
 			network    = google_compute_network.test.self_link
 			subnetwork = google_compute_subnetwork.test.self_link
-			zone       = "us-central1-a"
+			zone       = "us-east1-b"   # later should be changed to us-central1-a, when ip_masq_agent feature is accessible globally
 
 			service_account = google_service_account.test.name
 			ip_allocation_policy {
@@ -496,7 +496,7 @@ resource "google_compute_network" "test" {
 resource "google_compute_subnetwork" "test" {
 	name          = "%s"
 	ip_cidr_range = "10.2.0.0/16"
-	region        = "us-central1"
+	region        = "us-east1"  # later should be changed to us-central1, when ip_masq_agent feature is accessible globally
 	network       = google_compute_network.test.self_link
 }
 

website/docs/r/composer_environment.html.markdown

@@ -259,6 +259,13 @@ The `node_config` block supports:
   The range of possible values is 8-110, and the default is 32.
   Cannot be updated.
 
+* `enable_ip_masq_agent` -
+  (Optional, [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html))
+  Deploys 'ip-masq-agent' daemon set in the GKE cluster and defines
+  nonMasqueradeCIDRs equals to pod IP range so IP masquerading is used for
+  all destination addresses, except between pods traffic.
+  See the [documentation](https://cloud.google.com/kubernetes-engine/docs/how-to/ip-masquerade-agent).
+
 The `software_config` block supports:
 
 * `airflow_config_overrides` -