kalm (K8s Application lifecycle manager) addon config added (#3459)

* kalm addon config added

* kalm addon tests added

* Update resource_container_cluster_test.go.erb

* PR comments fixed

third_party/terraform/resources/resource_container_cluster.go.erb

@@ -58,6 +58,7 @@ var (
 		"addons_config.0.cloudrun_config",
 		"addons_config.0.dns_cache_config",
 		"addons_config.0.gce_persistent_disk_csi_driver_config",
+		"addons_config.0.kalm_config",
 	<% end -%>
 	}
 )
@@ -305,6 +306,21 @@ func resourceContainerCluster() *schema.Resource {
 								},
 							},
 						},
+						"kalm_config": {
+							Type:         schema.TypeList,
+							Optional:     true,
+							Computed:     true,
+							AtLeastOneOf: addonsConfigKeys,
+							MaxItems:     1,
+							Elem: &schema.Resource{
+								Schema: map[string]*schema.Schema{
+									"enabled": {
+										Type:     schema.TypeBool,
+										Required: true,
+									},
+								},
+							},
+						},
 					<% end -%>
 					},
 				},
@@ -2250,6 +2266,14 @@ func expandClusterAddonsConfig(configured interface{}) *containerBeta.AddonsConf
 			ForceSendFields: []string{"Enabled"},
 		}
 	}
+
+	if v, ok := config["kalm_config"]; ok && len(v.([]interface{})) > 0 {
+		addon := v.([]interface{})[0].(map[string]interface{})
+		ac.KalmConfig = &containerBeta.KalmConfig{
+			Enabled:         addon["enabled"].(bool),
+			ForceSendFields: []string{"Enabled"},
+		}
+	}
 <% end -%>
 
 	return ac
@@ -2675,6 +2699,14 @@ func flattenClusterAddonsConfig(c *containerBeta.AddonsConfig) []map[string]inte
 			},
 		}
 	}
+
+	if c.KalmConfig != nil {
+		result["kalm_config"] = []map[string]interface{}{
+			{
+				"enabled": c.KalmConfig.Enabled,
+			},
+		}
+	}
 <% end -%>
 	return []map[string]interface{}{result}
 }

third_party/terraform/tests/resource_container_cluster_test.go.erb

@@ -1992,6 +1992,9 @@ resource "google_container_cluster" "primary" {
     gce_persistent_disk_csi_driver_config {
       enabled = false
     }
+    kalm_config {
+	  enabled = false
+     }
 <% end -%>
   }
 }
@@ -2030,7 +2033,10 @@ resource "google_container_cluster" "primary" {
     }
     gce_persistent_disk_csi_driver_config {
       enabled = true
-    }
+	}
+	kalm_config {
+	  enabled = true
+	}
 <% end -%>
   }
 }

third_party/terraform/website/docs/r/container_cluster.html.markdown

@@ -338,6 +338,9 @@ The `addons_config` block supports:
 * `gce_persistent_disk_csi_driver_config` - (Optional, [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html)).
     Whether this cluster should enable the Google Compute Engine Persistent Disk Container Storage Interface (CSI) Driver. Defaults to disabled; set `enabled = true` to enable. 
 
+* `kalm_config` - (Optional, [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html)).
+    Configuration for the KALM addon, which manages the lifecycle of k8s. It is disabled by default; Set `enabled = true` to enable. 
+
 This example `addons_config` disables two addons:
 
 ```hcl