forked from hashicorp/terraform-provider-kubernetes
/
resource_kubernetes_resource_quota.go
227 lines (200 loc) · 6.65 KB
/
resource_kubernetes_resource_quota.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 resourceKubernetesResourceQuota() *schema.Resource {
return &schema.Resource{
Create: resourceKubernetesResourceQuotaCreate,
Read: resourceKubernetesResourceQuotaRead,
Exists: resourceKubernetesResourceQuotaExists,
Update: resourceKubernetesResourceQuotaUpdate,
Delete: resourceKubernetesResourceQuotaDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"metadata": namespacedMetadataSchema("resource quota", true),
"spec": {
Type: schema.TypeList,
Description: "Spec defines the desired quota. https://github.com/kubernetes/community/blob/master/contributors/devel/api-conventions.md#spec-and-status",
Optional: true,
MaxItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"hard": {
Type: schema.TypeMap,
Description: "The set of desired hard limits for each named resource. More info: http://releases.k8s.io/HEAD/docs/design/admission_control_resource_quota.md#admissioncontrol-plugin-resourcequota",
Optional: true,
Elem: schema.TypeString,
ValidateFunc: validateResourceList,
},
"scopes": {
Type: schema.TypeSet,
Description: "A collection of filters that must match each object tracked by a quota. If not specified, the quota matches all objects.",
Optional: true,
ForceNew: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
},
},
},
},
}
}
func resourceKubernetesResourceQuotaCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*kubernetes.Clientset)
metadata := expandMetadata(d.Get("metadata").([]interface{}))
spec, err := expandResourceQuotaSpec(d.Get("spec").([]interface{}))
if err != nil {
return err
}
resQuota := api.ResourceQuota{
ObjectMeta: metadata,
Spec: spec,
}
log.Printf("[INFO] Creating new resource quota: %#v", resQuota)
out, err := conn.CoreV1().ResourceQuotas(metadata.Namespace).Create(&resQuota)
if err != nil {
return fmt.Errorf("Failed to create resource quota: %s", err)
}
log.Printf("[INFO] Submitted new resource quota: %#v", out)
d.SetId(buildId(out.ObjectMeta))
err = resource.Retry(1*time.Minute, func() *resource.RetryError {
quota, err := conn.CoreV1().ResourceQuotas(out.Namespace).Get(out.Name, meta_v1.GetOptions{})
if err != nil {
return resource.NonRetryableError(err)
}
if resourceListEquals(spec.Hard, quota.Status.Hard) {
return nil
}
err = fmt.Errorf("Quotas don't match after creation.\nExpected: %#v\nGiven: %#v",
spec.Hard, quota.Status.Hard)
return resource.RetryableError(err)
})
if err != nil {
return err
}
return resourceKubernetesResourceQuotaRead(d, meta)
}
func resourceKubernetesResourceQuotaRead(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 resource quota %s", name)
resQuota, err := conn.CoreV1().ResourceQuotas(namespace).Get(name, meta_v1.GetOptions{})
if err != nil {
log.Printf("[DEBUG] Received error: %#v", err)
return err
}
log.Printf("[INFO] Received resource quota: %#v", resQuota)
// This is to work around K8S bug
// See https://github.com/kubernetes/kubernetes/issues/44539
if resQuota.ObjectMeta.GenerateName == "" {
if v, ok := d.GetOk("metadata.0.generate_name"); ok {
resQuota.ObjectMeta.GenerateName = v.(string)
}
}
err = d.Set("metadata", flattenMetadata(resQuota.ObjectMeta))
if err != nil {
return err
}
err = d.Set("spec", flattenResourceQuotaSpec(resQuota.Spec))
if err != nil {
return err
}
return nil
}
func resourceKubernetesResourceQuotaUpdate(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)
var spec api.ResourceQuotaSpec
waitForChangedSpec := false
if d.HasChange("spec") {
var err error
spec, err = expandResourceQuotaSpec(d.Get("spec").([]interface{}))
if err != nil {
return err
}
ops = append(ops, &ReplaceOperation{
Path: "/spec",
Value: spec,
})
waitForChangedSpec = true
}
data, err := ops.MarshalJSON()
if err != nil {
return fmt.Errorf("Failed to marshal update operations: %s", err)
}
log.Printf("[INFO] Updating resource quota %q: %v", name, string(data))
out, err := conn.CoreV1().ResourceQuotas(namespace).Patch(name, pkgApi.JSONPatchType, data)
if err != nil {
return fmt.Errorf("Failed to update resource quota: %s", err)
}
log.Printf("[INFO] Submitted updated resource quota: %#v", out)
d.SetId(buildId(out.ObjectMeta))
if waitForChangedSpec {
err = resource.Retry(1*time.Minute, func() *resource.RetryError {
quota, err := conn.CoreV1().ResourceQuotas(namespace).Get(name, meta_v1.GetOptions{})
if err != nil {
return resource.NonRetryableError(err)
}
if resourceListEquals(spec.Hard, quota.Status.Hard) {
return nil
}
err = fmt.Errorf("Quotas don't match after update.\nExpected: %#v\nGiven: %#v",
spec.Hard, quota.Status.Hard)
return resource.RetryableError(err)
})
if err != nil {
return err
}
}
return resourceKubernetesResourceQuotaRead(d, meta)
}
func resourceKubernetesResourceQuotaDelete(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 resource quota: %#v", name)
err = conn.CoreV1().ResourceQuotas(namespace).Delete(name, &meta_v1.DeleteOptions{})
if err != nil {
return err
}
log.Printf("[INFO] Resource quota %s deleted", name)
d.SetId("")
return nil
}
func resourceKubernetesResourceQuotaExists(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 resource quota %s", name)
_, err = conn.CoreV1().ResourceQuotas(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
}