ReadWriteOncePod access mode added to PVs (#2488)

* ReadWriteOncePod access mode support added to PVs

* updated documentation

* added changelog

* add ReadWriteOncePod in gcloud test

* create ReadWriteOncePod test

---------

Co-authored-by: Mauricio Alvarez Leon <[email protected]>
Co-authored-by: BBBmau <[email protected]>

Author: aayushsss1

.changelog/2488.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+`resource/kubernetes_persistent_volume_v1`: support `ReadWriteOncePod` access mode for PVs
+```

kubernetes/data_source_kubernetes_persistent_volume_v1.go

@@ -36,6 +36,7 @@ func dataSourceKubernetesPersistentVolumeV1() *schema.Resource {
 									"ReadWriteOnce",
 									"ReadOnlyMany",
 									"ReadWriteMany",
+									"ReadWriteOncePod",
 								}, false),
 							},
 							Set: schema.HashString,

kubernetes/resource_kubernetes_persistent_volume_v1.go

@@ -95,6 +95,7 @@ func resourceKubernetesPersistentVolumeV1() *schema.Resource {
 									"ReadWriteOnce",
 									"ReadOnlyMany",
 									"ReadWriteMany",
+									"ReadWriteOncePod",
 								}, false),
 							},
 							Set: schema.HashString,

kubernetes/resource_kubernetes_persistent_volume_v1_test.go

@@ -734,6 +734,31 @@ func TestAccKubernetesPersistentVolumeV1_hostPath_mountOptions(t *testing.T) {
 	})
 }
 
+func TestAccKubernetesPersistentVolumeV1_accessMode_ReadWriteOncePod(t *testing.T) {
+	var conf api.PersistentVolume
+	randString := acctest.RandStringFromCharSet(10, acctest.CharSetAlphaNum)
+	name := fmt.Sprintf("tf-acc-test-%s", randString)
+	resourceName := "kubernetes_persistent_volume_v1.test"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:          func() { testAccPreCheck(t) },
+		IDRefreshName:     resourceName,
+		IDRefreshIgnore:   []string{"metadata.0.resource_version"},
+		ProviderFactories: testAccProviderFactories,
+		CheckDestroy:      testAccCheckKubernetesPersistentVolumeV1Destroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccKubernetesPersistentVolumeV1Config_accessMode_ReadWriteOncePod(name),
+				Check: resource.ComposeAggregateTestCheckFunc(
+					testAccCheckKubernetesPersistentVolumeV1Exists(resourceName, &conf),
+					resource.TestCheckResourceAttr(resourceName, "spec.0.access_modes.#", "1"),
+					resource.TestCheckResourceAttr(resourceName, "spec.0.access_modes.0", "ReadWriteOncePod"),
+				),
+			},
+		},
+	})
+}
+
 func TestAccKubernetesPersistentVolumeV1_csi_basic(t *testing.T) {
 	var conf api.PersistentVolume
 	name := acctest.RandomWithPrefix("tf-acc-test")
@@ -1879,6 +1904,26 @@ func testAccKubernetesPersistentVolumeV1Config_hostPath_mountOptions(name string
 }`, name)
 }
 
+func testAccKubernetesPersistentVolumeV1Config_accessMode_ReadWriteOncePod(name string) string {
+	return fmt.Sprintf(`resource "kubernetes_persistent_volume_v1" "test" {
+  metadata {
+    name = "%s"
+  }
+  spec {
+    capacity = {
+      storage = "1Gi"
+    }
+    access_modes  = ["ReadWriteOncePod"]
+    mount_options = ["foo"]
+    persistent_volume_source {
+      host_path {
+        path = "/mnt/local-volume"
+      }
+    }
+  }
+}`, name)
+}
+
 func testAccKubernetesPersistentVolumeV1Config_hostPath_basic(name string) string {
 	return fmt.Sprintf(`resource "kubernetes_persistent_volume_v1" "test" {
   metadata {

kubernetes/schema_persistent_volume_claim.go

@@ -37,6 +37,7 @@ func persistentVolumeClaimSpecFields() map[string]*schema.Schema {
 					"ReadWriteOnce",
 					"ReadOnlyMany",
 					"ReadWriteMany",
+					"ReadWriteOncePod",
 				}, false),
 			},
 			Set: schema.HashString,