/
resource_kubernetes_csi_driver.go
206 lines (182 loc) · 5.71 KB
/
resource_kubernetes_csi_driver.go
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package kubernetes
import (
"context"
"fmt"
"log"
"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
"github.com/hashicorp/terraform-plugin-sdk/helper/validation"
storage "k8s.io/api/storage/v1beta1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
pkgApi "k8s.io/apimachinery/pkg/types"
)
func resourceKubernetesCSIDriver() *schema.Resource {
return &schema.Resource{
Create: resourceKubernetesCSIDriverCreate,
Read: resourceKubernetesCSIDriverRead,
Exists: resourceKubernetesCSIDriverExists,
Update: resourceKubernetesCSIDriverUpdate,
Delete: resourceKubernetesCSIDriverDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"metadata": metadataSchema("csi driver", true),
"spec": {
Type: schema.TypeList,
Description: fmt.Sprintf("Spec of the CSIDriver"),
Optional: true,
MaxItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"attach_required": {
Type: schema.TypeBool,
Description: "Indicates if the CSI volume driver requires an attach operation",
Required: true,
ForceNew: true,
},
"pod_info_on_mount": {
Type: schema.TypeBool,
Description: "Indicates that the CSI volume driver requires additional pod information (like podName, podUID, etc.) during mount operations",
Optional: true,
},
"volume_lifecycle_modes": {
Type: schema.TypeList,
Description: "Defines what kind of volumes this CSI volume driver supports",
Optional: true,
Elem: &schema.Schema{
Type: schema.TypeString,
ValidateFunc: validation.StringInSlice([]string{
"Persistent",
"Ephemeral",
}, false),
},
},
},
},
},
},
}
}
func resourceKubernetesCSIDriverCreate(d *schema.ResourceData, meta interface{}) error {
conn, err := meta.(KubeClientsets).MainClientset()
if err != nil {
return err
}
ctx := context.TODO()
CSIDriver := storage.CSIDriver{
ObjectMeta: expandMetadata(d.Get("metadata").([]interface{})),
Spec: expandCSIDriverSpec(d.Get("spec").([]interface{})),
}
log.Printf("[INFO] Creating new CSIDriver: %#v", CSIDriver)
out, err := conn.StorageV1beta1().CSIDrivers().Create(ctx, &CSIDriver, metav1.CreateOptions{})
if err != nil {
return err
}
log.Printf("[INFO] Submitted new CSIDriver: %#v", out)
d.SetId(out.Name)
return resourceKubernetesCSIDriverRead(d, meta)
}
func resourceKubernetesCSIDriverRead(d *schema.ResourceData, meta interface{}) error {
conn, err := meta.(KubeClientsets).MainClientset()
if err != nil {
return err
}
ctx := context.TODO()
name := d.Id()
log.Printf("[INFO] Reading CSIDriver %s", name)
CSIDriver, err := conn.StorageV1beta1().CSIDrivers().Get(ctx, name, metav1.GetOptions{})
if err != nil {
log.Printf("[DEBUG] Received error: %#v", err)
return err
}
log.Printf("[INFO] Received CSIDriver: %#v", CSIDriver)
err = d.Set("metadata", flattenMetadata(CSIDriver.ObjectMeta, d))
if err != nil {
return err
}
spec, err := flattenCSIDriverSpec(CSIDriver.Spec)
if err != nil {
return err
}
err = d.Set("spec", spec)
if err != nil {
return err
}
return nil
}
func resourceKubernetesCSIDriverUpdate(d *schema.ResourceData, meta interface{}) error {
conn, err := meta.(KubeClientsets).MainClientset()
if err != nil {
return err
}
ctx := context.TODO()
name := d.Id()
ops := patchMetadata("metadata.0.", "/metadata/", d)
if d.HasChange("spec") {
diffOps, err := patchCSIDriverSpec("spec.0.", "/spec", d)
if err != nil {
return err
}
ops = append(ops, *diffOps...)
}
data, err := ops.MarshalJSON()
if err != nil {
return fmt.Errorf("Failed to marshal update operations: %s", err)
}
log.Printf("[INFO] Updating CSIDriver %q: %v", name, string(data))
out, err := conn.StorageV1beta1().CSIDrivers().Patch(ctx, name, pkgApi.JSONPatchType, data, metav1.PatchOptions{})
if err != nil {
return fmt.Errorf("Failed to update CSIDriver: %s", err)
}
log.Printf("[INFO] Submitted updated CSIDriver: %#v", out)
d.SetId(out.ObjectMeta.Name)
return resourceKubernetesCSIDriverRead(d, meta)
}
func resourceKubernetesCSIDriverDelete(d *schema.ResourceData, meta interface{}) error {
conn, err := meta.(KubeClientsets).MainClientset()
if err != nil {
return err
}
ctx := context.TODO()
log.Printf("[INFO] Deleting CSIDriver: %s", d.Id())
err = conn.StorageV1beta1().CSIDrivers().Delete(ctx, d.Id(), metav1.DeleteOptions{})
if err != nil {
return err
}
err = resource.Retry(d.Timeout(schema.TimeoutDelete), func() *resource.RetryError {
_, err := conn.StorageV1beta1().CSIDrivers().Get(ctx, d.Id(), metav1.GetOptions{})
if err != nil {
if statusErr, ok := err.(*errors.StatusError); ok && statusErr.ErrStatus.Code == 404 {
return nil
}
return resource.NonRetryableError(err)
}
e := fmt.Errorf("CSIDriver (%s) still exists", d.Id())
return resource.RetryableError(e)
})
if err != nil {
return err
}
log.Printf("[INFO] CSIDriver %s deleted", d.Id())
d.SetId("")
return nil
}
func resourceKubernetesCSIDriverExists(d *schema.ResourceData, meta interface{}) (bool, error) {
conn, err := meta.(KubeClientsets).MainClientset()
if err != nil {
return false, err
}
ctx := context.TODO()
name := d.Id()
log.Printf("[INFO] Checking CSIDriver %s", name)
_, err = conn.StorageV1beta1().CSIDrivers().Get(ctx, name, metav1.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
}