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storageobjectacl.go
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storageobjectacl.go
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/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package gcetasks
import (
"fmt"
"google.golang.org/api/storage/v1"
"k8s.io/klog/v2"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/cloudup/gce"
"k8s.io/kops/upup/pkg/fi/cloudup/terraform"
)
// StorageObjectAcl represents an ACL rule on a google cloud storage object
// +kops:fitask
type StorageObjectAcl struct {
Name *string
Lifecycle fi.Lifecycle
Bucket *string
Object *string
Entity *string
Role *string
}
var _ fi.CompareWithID = &StorageObjectAcl{}
func (e *StorageObjectAcl) CompareWithID() *string {
return e.Name
}
func (e *StorageObjectAcl) Find(c *fi.Context) (*StorageObjectAcl, error) {
cloud := c.Cloud.(gce.GCECloud)
bucket := fi.StringValue(e.Bucket)
object := fi.StringValue(e.Object)
entity := fi.StringValue(e.Entity)
klog.V(2).Infof("Checking GCS object ACL for gs://%s/%s for %s", bucket, object, entity)
r, err := cloud.Storage().ObjectAccessControls.Get(bucket, object, entity).Do()
if err != nil {
if gce.IsNotFound(err) {
return nil, nil
}
return nil, fmt.Errorf("error querying GCS object ACL for gs://%s/%s for %s: %v", bucket, object, entity, err)
}
actual := &StorageObjectAcl{}
actual.Name = e.Name
actual.Bucket = &r.Bucket
actual.Object = &r.Object
actual.Entity = &r.Entity
actual.Role = &r.Role
// Ignore "system" fields
actual.Lifecycle = e.Lifecycle
return actual, nil
}
func (e *StorageObjectAcl) Run(c *fi.Context) error {
return fi.DefaultDeltaRunMethod(e, c)
}
func (_ *StorageObjectAcl) CheckChanges(a, e, changes *StorageObjectAcl) error {
if fi.StringValue(e.Bucket) == "" {
return fi.RequiredField("Bucket")
}
if fi.StringValue(e.Object) == "" {
return fi.RequiredField("Object")
}
if fi.StringValue(e.Entity) == "" {
return fi.RequiredField("Entity")
}
return nil
}
func (_ *StorageObjectAcl) RenderGCE(t *gce.GCEAPITarget, a, e, changes *StorageObjectAcl) error {
bucket := fi.StringValue(e.Bucket)
object := fi.StringValue(e.Object)
entity := fi.StringValue(e.Entity)
role := fi.StringValue(e.Role)
acl := &storage.ObjectAccessControl{
Entity: entity,
Role: role,
}
if a == nil {
klog.V(2).Infof("Creating GCS object ACL for gs://%s/%s for %s as %s", bucket, object, entity, role)
_, err := t.Cloud.Storage().ObjectAccessControls.Insert(bucket, object, acl).Do()
if err != nil {
return fmt.Errorf("error creating GCS object ACL for gs://%s/%s for %s as %s: %v", bucket, object, entity, role, err)
}
} else {
klog.V(2).Infof("Updating GCS object ACL for gs://%s/%s for %s as %s", bucket, object, entity, role)
_, err := t.Cloud.Storage().ObjectAccessControls.Update(bucket, object, entity, acl).Do()
if err != nil {
return fmt.Errorf("error updating GCS object ACL for gs://%s/%s for %s as %s: %v", bucket, object, entity, role, err)
}
}
return nil
}
// terraformStorageObjectAcl is the model for a terraform google_storage_object_acl rule
type terraformStorageObjectAcl struct {
Bucket string `cty:"bucket"`
Object string `cty:"object"`
RoleEntity []string `cty:"role_entity"`
}
func (_ *StorageObjectAcl) RenderTerraform(t *terraform.TerraformTarget, a, e, changes *StorageObjectAcl) error {
var roleEntities []string
roleEntities = append(roleEntities, fi.StringValue(e.Role)+":"+fi.StringValue(e.Name))
tf := &terraformStorageObjectAcl{
Bucket: fi.StringValue(e.Bucket),
Object: fi.StringValue(e.Object),
RoleEntity: roleEntities,
}
return t.RenderResource("google_storage_object_acl", *e.Name, tf)
}