provider/kubernetes: Add support for persistent_volume

builtin/providers/kubernetes/provider.go

@@ -81,9 +81,10 @@ func Provider() terraform.ResourceProvider {
  },
 
  ResourcesMap: map[string]*schema.Resource{
- "kubernetes_config_map": resourceKubernetesConfigMap(),
- "kubernetes_namespace": resourceKubernetesNamespace(),
- "kubernetes_secret": resourceKubernetesSecret(),
+ "kubernetes_config_map": resourceKubernetesConfigMap(),
+ "kubernetes_namespace": resourceKubernetesNamespace(),
+ "kubernetes_persistent_volume": resourceKubernetesPersistentVolume(),
+ "kubernetes_secret": resourceKubernetesSecret(),
  },
  ConfigureFunc: providerConfigure,
  }

builtin/providers/kubernetes/resource_kubernetes_persistent_volume.go

@@ -0,0 +1,198 @@
+package kubernetes
+
+import (
+ "fmt"
+ "log"
+ "time"
+
+ "github.com/hashicorp/terraform/helper/resource"
+ "github.com/hashicorp/terraform/helper/schema"
+ pkgApi "k8s.io/kubernetes/pkg/api"
+ "k8s.io/kubernetes/pkg/api/errors"
+ api "k8s.io/kubernetes/pkg/api/v1"
+ kubernetes "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5"
+)
+
+func resourceKubernetesPersistentVolume() *schema.Resource {
+ return &schema.Resource{
+ Create: resourceKubernetesPersistentVolumeCreate,
+ Read: resourceKubernetesPersistentVolumeRead,
+ Exists: resourceKubernetesPersistentVolumeExists,
+ Update: resourceKubernetesPersistentVolumeUpdate,
+ Delete: resourceKubernetesPersistentVolumeDelete,
+ Importer: &schema.ResourceImporter{
+ State: schema.ImportStatePassthrough,
+ },
+
+ Schema: map[string]*schema.Schema{
+ "metadata": metadataSchema("persistent volume", false),
+ "spec": {
+ Type: schema.TypeList,
+ Description: "Spec of the persistent volume owned by the cluster",
+ Required: true,
+ Elem: &schema.Resource{
+ Schema: map[string]*schema.Schema{
+ "access_modes": {
+ Type: schema.TypeSet,
+ Description: "Contains all ways the volume can be mounted. More info: http://kubernetes.io/docs/user-guide/persistent-volumes#access-modes",
+ Required: true,
+ Elem: &schema.Schema{Type: schema.TypeString},
+ Set: schema.HashString,
+ },
+ "capacity": {
+ Type: schema.TypeMap,
+ Description: "A description of the persistent volume's resources and capacity. More info: http://kubernetes.io/docs/user-guide/persistent-volumes#capacity",
+ Required: true,
+ Elem: schema.TypeString,
+ ValidateFunc: validateResourceList,
+ },
+ "persistent_volume_reclaim_policy": {
+ Type: schema.TypeString,
+ Description: "What happens to a persistent volume when released from its claim. Valid options are Retain (default) and Recycle. Recycling must be supported by the volume plugin underlying this persistent volume. More info: http://kubernetes.io/docs/user-guide/persistent-volumes#recycling-policy",
+ Optional: true,
+ Default: "Retain",
+ },
+ "persistent_volume_source": {
+ Type: schema.TypeList,
+ Description: "The specification of a persistent volume.",
+ Required: true,
+ MaxItems: 1,
+ Elem: persistentVolumeSourceSchema(),
+ },
+ },
+ },
+ },
+ },
+ }
+}
+
+func resourceKubernetesPersistentVolumeCreate(d *schema.ResourceData, meta interface{}) error {
+ conn := meta.(*kubernetes.Clientset)
+
+ metadata := expandMetadata(d.Get("metadata").([]interface{}))
+ spec, err := expandPersistentVolumeSpec(d.Get("spec").([]interface{}))
+ if err != nil {
+ return err
+ }
+ volume := api.PersistentVolume{
+ ObjectMeta: metadata,
+ Spec: spec,
+ }
+
+ log.Printf("[INFO] Creating new persistent volume: %#v", volume)
+ out, err := conn.CoreV1().PersistentVolumes().Create(&volume)
+ if err != nil {
+ return err
+ }
+ log.Printf("[INFO] Submitted new persistent volume: %#v", out)
+
+ stateConf := &resource.StateChangeConf{
+ Target: []string{"Available", "Bound"},
+ Pending: []string{"Pending"},
+ Timeout: 5 * time.Minute,
+ Refresh: func() (interface{}, string, error) {
+ out, err := conn.CoreV1().PersistentVolumes().Get(metadata.Name)
+ if err != nil {
+ log.Printf("[ERROR] Received error: %#v", err)
+ return out, "Error", err
+ }
+
+ statusPhase := fmt.Sprintf("%v", out.Status.Phase)
+ log.Printf("[DEBUG] Persistent volume %s status received: %#v", out.Name, statusPhase)
+ return out, statusPhase, nil
+ },
+ }
+ _, err = stateConf.WaitForState()
+ if err != nil {
+ return err
+ }
+ log.Printf("[INFO] Persistent volume %s created", out.Name)
+
+ d.SetId(out.Name)
+
+ return resourceKubernetesPersistentVolumeRead(d, meta)
+}
+
+func resourceKubernetesPersistentVolumeRead(d *schema.ResourceData, meta interface{}) error {
+ conn := meta.(*kubernetes.Clientset)
+
+ name := d.Id()
+ log.Printf("[INFO] Reading persistent volume %s", name)
+ volume, err := conn.CoreV1().PersistentVolumes().Get(name)
+ if err != nil {
+ log.Printf("[DEBUG] Received error: %#v", err)
+ return err
+ }
+ log.Printf("[INFO] Received persistent volume: %#v", volume)
+ err = d.Set("metadata", flattenMetadata(volume.ObjectMeta))
+ if err != nil {
+ return err
+ }
+ err = d.Set("spec", flattenPersistentVolumeSpec(volume.Spec))
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func resourceKubernetesPersistentVolumeUpdate(d *schema.ResourceData, meta interface{}) error {
+ conn := meta.(*kubernetes.Clientset)
+
+ ops := patchMetadata("metadata.0.", "/metadata/", d)
+ if d.HasChange("spec") {
+ spec, err := expandPersistentVolumeSpec(d.Get("spec").([]interface{}))
+ if err != nil {
+ return err
+ }
+ ops = append(ops, &ReplaceOperation{
+ Path: "/spec",
+ Value: spec,
+ })
+ }
+ data, err := ops.MarshalJSON()
+ if err != nil {
+ return fmt.Errorf("Failed to marshal update operations: %s", err)
+ }
+
+ log.Printf("[INFO] Updating persistent volume %s: %s", d.Id(), ops)
+ out, err := conn.CoreV1().PersistentVolumes().Patch(d.Id(), pkgApi.JSONPatchType, data)
+ if err != nil {
+ return err
+ }
+ log.Printf("[INFO] Submitted updated persistent volume: %#v", out)
+ d.SetId(out.Name)
+
+ return resourceKubernetesPersistentVolumeRead(d, meta)
+}
+
+func resourceKubernetesPersistentVolumeDelete(d *schema.ResourceData, meta interface{}) error {
+ conn := meta.(*kubernetes.Clientset)
+
+ name := d.Id()
+ log.Printf("[INFO] Deleting persistent volume: %#v", name)
+ err := conn.CoreV1().PersistentVolumes().Delete(name, &api.DeleteOptions{})
+ if err != nil {
+ return err
+ }
+
+ log.Printf("[INFO] Persistent volume %s deleted", name)
+
+ d.SetId("")
+ return nil
+}
+
+func resourceKubernetesPersistentVolumeExists(d *schema.ResourceData, meta interface{}) (bool, error) {
+ conn := meta.(*kubernetes.Clientset)
+
+ name := d.Id()
+ log.Printf("[INFO] Checking persistent volume %s", name)
+ _, err := conn.CoreV1().PersistentVolumes().Get(name)
+ if err != nil {
+ if statusErr, ok := err.(*errors.StatusError); ok && statusErr.ErrStatus.Code == 404 {
+ return false, nil
+ }
+ log.Printf("[DEBUG] Received error: %#v", err)
+ }
+ return true, err
+}