forked from hashicorp/terraform-provider-kubernetes
/
resource_kubernetes_persistent_volume_claim.go
201 lines (170 loc) · 5.91 KB
/
resource_kubernetes_persistent_volume_claim.go
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package kubernetes
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
api "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
pkgApi "k8s.io/apimachinery/pkg/types"
kubernetes "k8s.io/client-go/kubernetes"
)
func resourceKubernetesPersistentVolumeClaim() *schema.Resource {
fields := persistentVolumeClaimFields()
// The 'wait_until_bound' control attribute only makes sense in stand-alone PVCs,
// so adding it on top of the standard PVC fields which are re-usable for other resources.
fields["wait_until_bound"] = &schema.Schema{
Type: schema.TypeBool,
Description: "Whether to wait for the claim to reach `Bound` state (to find volume in which to claim the space)",
Optional: true,
Default: true,
}
return &schema.Resource{
Create: resourceKubernetesPersistentVolumeClaimCreate,
Read: resourceKubernetesPersistentVolumeClaimRead,
Exists: resourceKubernetesPersistentVolumeClaimExists,
Update: resourceKubernetesPersistentVolumeClaimUpdate,
Delete: resourceKubernetesPersistentVolumeClaimDelete,
Importer: &schema.ResourceImporter{
State: func(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
d.Set("wait_until_bound", true)
return []*schema.ResourceData{d}, nil
},
},
Timeouts: &schema.ResourceTimeout{
Create: schema.DefaultTimeout(5 * time.Minute),
},
Schema: fields,
}
}
func resourceKubernetesPersistentVolumeClaimCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*kubernetes.Clientset)
claim, err := expandPersistenVolumeClaim(map[string]interface{}{
"metadata": d.Get("metadata"),
"spec": d.Get("spec"),
})
if err != nil {
return err
}
log.Printf("[INFO] Creating new persistent volume claim: %#v", claim)
out, err := conn.CoreV1().PersistentVolumeClaims(claim.Namespace).Create(&claim)
if err != nil {
return err
}
log.Printf("[INFO] Submitted new persistent volume claim: %#v", out)
d.SetId(buildId(out.ObjectMeta))
name := out.ObjectMeta.Name
if d.Get("wait_until_bound").(bool) {
stateConf := &resource.StateChangeConf{
Target: []string{"Bound"},
Pending: []string{"Pending"},
Timeout: d.Timeout(schema.TimeoutCreate),
Refresh: func() (interface{}, string, error) {
out, err := conn.CoreV1().PersistentVolumeClaims(claim.Namespace).Get(name, meta_v1.GetOptions{})
if err != nil {
log.Printf("[ERROR] Received error: %#v", err)
return out, "", err
}
statusPhase := fmt.Sprintf("%v", out.Status.Phase)
log.Printf("[DEBUG] Persistent volume claim %s status received: %#v", out.Name, statusPhase)
return out, statusPhase, nil
},
}
_, err = stateConf.WaitForState()
if err != nil {
var lastWarnings []api.Event
var wErr error
lastWarnings, wErr = getLastWarningsForObject(conn, out.ObjectMeta, "PersistentVolumeClaim", 3)
if wErr != nil {
return wErr
}
if len(lastWarnings) == 0 {
lastWarnings, wErr = getLastWarningsForObject(conn, meta_v1.ObjectMeta{
Name: out.Spec.VolumeName,
}, "PersistentVolume", 3)
if wErr != nil {
return wErr
}
}
return fmt.Errorf("%s%s", err, stringifyEvents(lastWarnings))
}
}
log.Printf("[INFO] Persistent volume claim %s created", out.Name)
return resourceKubernetesPersistentVolumeClaimRead(d, meta)
}
func resourceKubernetesPersistentVolumeClaimRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*kubernetes.Clientset)
namespace, name, err := idParts(d.Id())
if err != nil {
return err
}
log.Printf("[INFO] Reading persistent volume claim %s", name)
claim, err := conn.CoreV1().PersistentVolumeClaims(namespace).Get(name, meta_v1.GetOptions{})
if err != nil {
log.Printf("[DEBUG] Received error: %#v", err)
return err
}
log.Printf("[INFO] Received persistent volume claim: %#v", claim)
err = d.Set("metadata", flattenMetadata(claim.ObjectMeta))
if err != nil {
return err
}
err = d.Set("spec", flattenPersistentVolumeClaimSpec(claim.Spec))
if err != nil {
return err
}
return nil
}
func resourceKubernetesPersistentVolumeClaimUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*kubernetes.Clientset)
namespace, name, err := idParts(d.Id())
if err != nil {
return err
}
ops := patchMetadata("metadata.0.", "/metadata/", d)
// The whole spec is ForceNew = nothing to update there
data, err := ops.MarshalJSON()
if err != nil {
return fmt.Errorf("Failed to marshal update operations: %s", err)
}
log.Printf("[INFO] Updating persistent volume claim: %s", ops)
out, err := conn.CoreV1().PersistentVolumeClaims(namespace).Patch(name, pkgApi.JSONPatchType, data)
if err != nil {
return err
}
log.Printf("[INFO] Submitted updated persistent volume claim: %#v", out)
return resourceKubernetesPersistentVolumeClaimRead(d, meta)
}
func resourceKubernetesPersistentVolumeClaimDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*kubernetes.Clientset)
namespace, name, err := idParts(d.Id())
if err != nil {
return err
}
log.Printf("[INFO] Deleting persistent volume claim: %#v", name)
err = conn.CoreV1().PersistentVolumeClaims(namespace).Delete(name, &meta_v1.DeleteOptions{})
if err != nil {
return err
}
log.Printf("[INFO] Persistent volume claim %s deleted", name)
d.SetId("")
return nil
}
func resourceKubernetesPersistentVolumeClaimExists(d *schema.ResourceData, meta interface{}) (bool, error) {
conn := meta.(*kubernetes.Clientset)
namespace, name, err := idParts(d.Id())
if err != nil {
return false, err
}
log.Printf("[INFO] Checking persistent volume claim %s", name)
_, err = conn.CoreV1().PersistentVolumeClaims(namespace).Get(name, meta_v1.GetOptions{})
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
}