terraform/builtin/providers/kubernetes/resource_kubernetes_persist...

196 lines
6.0 KiB
Go

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") {
specOps, err := patchPersistentVolumeSpec("/spec", "spec", d)
if err != nil {
return err
}
ops = append(ops, specOps...)
}
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
}