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iam_pubsub_topic.go
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iam_pubsub_topic.go
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package google
import (
"fmt"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform/helper/schema"
"google.golang.org/api/cloudresourcemanager/v1"
"google.golang.org/api/pubsub/v1"
)
var IamPubsubTopicSchema = map[string]*schema.Schema{
"topic": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
DiffSuppressFunc: compareSelfLinkOrResourceName,
},
}
type PubsubTopicIamUpdater struct {
topic string
Config *Config
}
func NewPubsubTopicIamUpdater(d *schema.ResourceData, config *Config) (ResourceIamUpdater, error) {
project, err := getProject(d, config)
if err != nil {
return nil, err
}
topic := getComputedTopicName(project, d.Get("topic").(string))
return &PubsubTopicIamUpdater{
topic: topic,
Config: config,
}, nil
}
func PubsubTopicIdParseFunc(d *schema.ResourceData, _ *Config) error {
d.Set("topic", d.Id())
return nil
}
func (u *PubsubTopicIamUpdater) GetResourceIamPolicy() (*cloudresourcemanager.Policy, error) {
p, err := u.Config.clientPubsub.Projects.Topics.GetIamPolicy(u.topic).Do()
if err != nil {
return nil, fmt.Errorf("Error retrieving IAM policy for %s: %s", u.DescribeResource(), err)
}
v1Policy, err := pubsubToResourceManagerPolicy(p)
if err != nil {
return nil, err
}
return v1Policy, nil
}
func (u *PubsubTopicIamUpdater) SetResourceIamPolicy(policy *cloudresourcemanager.Policy) error {
pubsubPolicy, err := resourceManagerToPubsubPolicy(policy)
if err != nil {
return err
}
_, err = u.Config.clientPubsub.Projects.Topics.SetIamPolicy(u.topic, &pubsub.SetIamPolicyRequest{
Policy: pubsubPolicy,
}).Do()
if err != nil {
return errwrap.Wrap(fmt.Errorf("Error setting IAM policy for %s.", u.DescribeResource()), err)
}
return nil
}
func (u *PubsubTopicIamUpdater) GetResourceId() string {
return u.topic
}
func (u *PubsubTopicIamUpdater) GetMutexKey() string {
return fmt.Sprintf("iam-pubsub-topic-%s", u.topic)
}
func (u *PubsubTopicIamUpdater) DescribeResource() string {
return fmt.Sprintf("pubsub topic %q", u.topic)
}
// v1 and v2beta policy are identical
func resourceManagerToPubsubPolicy(in *cloudresourcemanager.Policy) (*pubsub.Policy, error) {
out := &pubsub.Policy{}
err := Convert(in, out)
if err != nil {
return nil, fmt.Errorf("Cannot convert a v1 policy to a pubsub policy: %s", err)
}
return out, nil
}
func pubsubToResourceManagerPolicy(in *pubsub.Policy) (*cloudresourcemanager.Policy, error) {
out := &cloudresourcemanager.Policy{}
err := Convert(in, out)
if err != nil {
return nil, fmt.Errorf("Cannot convert a pubsub policy to a v1 policy: %s", err)
}
return out, nil
}