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/
iam_spanner_instance.go
168 lines (136 loc) · 4.4 KB
/
iam_spanner_instance.go
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package google
import (
"fmt"
"regexp"
"strings"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"google.golang.org/api/cloudresourcemanager/v1"
spanner "google.golang.org/api/spanner/v1"
)
var IamSpannerInstanceSchema = map[string]*schema.Schema{
"instance": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"project": {
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
}
type SpannerInstanceIamUpdater struct {
project string
instance string
d TerraformResourceData
Config *Config
}
func NewSpannerInstanceIamUpdater(d TerraformResourceData, config *Config) (ResourceIamUpdater, error) {
project, err := getProject(d, config)
if err != nil {
return nil, err
}
return &SpannerInstanceIamUpdater{
project: project,
instance: d.Get("instance").(string),
d: d,
Config: config,
}, nil
}
func SpannerInstanceIdParseFunc(d *schema.ResourceData, config *Config) error {
id, err := extractSpannerInstanceId(d.Id())
if err != nil {
return err
}
if err := d.Set("instance", id.Instance); err != nil {
return fmt.Errorf("Error setting instance: %s", err)
}
if err := d.Set("project", id.Project); err != nil {
return fmt.Errorf("Error setting project: %s", err)
}
// Explicitly set the id so imported resources have the same ID format as non-imported ones.
d.SetId(id.terraformId())
return nil
}
func (u *SpannerInstanceIamUpdater) GetResourceIamPolicy() (*cloudresourcemanager.Policy, error) {
userAgent, err := generateUserAgentString(u.d, u.Config.UserAgent)
if err != nil {
return nil, err
}
p, err := u.Config.NewSpannerClient(userAgent).Projects.Instances.GetIamPolicy(spannerInstanceId{
Project: u.project,
Instance: u.instance,
}.instanceUri(), &spanner.GetIamPolicyRequest{
Options: &spanner.GetPolicyOptions{RequestedPolicyVersion: IamPolicyVersion},
}).Do()
if err != nil {
return nil, errwrap.Wrapf(fmt.Sprintf("Error retrieving IAM policy for %s: {{err}}", u.DescribeResource()), err)
}
cloudResourcePolicy, err := spannerToResourceManagerPolicy(p)
if err != nil {
return nil, errwrap.Wrapf(fmt.Sprintf("Invalid IAM policy for %s: {{err}}", u.DescribeResource()), err)
}
cloudResourcePolicy.Version = IamPolicyVersion
return cloudResourcePolicy, nil
}
func (u *SpannerInstanceIamUpdater) SetResourceIamPolicy(policy *cloudresourcemanager.Policy) error {
spannerPolicy, err := resourceManagerToSpannerPolicy(policy)
if err != nil {
return errwrap.Wrapf(fmt.Sprintf("Invalid IAM policy for %s: {{err}}", u.DescribeResource()), err)
}
spannerPolicy.Version = IamPolicyVersion
userAgent, err := generateUserAgentString(u.d, u.Config.UserAgent)
if err != nil {
return err
}
_, err = u.Config.NewSpannerClient(userAgent).Projects.Instances.SetIamPolicy(spannerInstanceId{
Project: u.project,
Instance: u.instance,
}.instanceUri(), &spanner.SetIamPolicyRequest{
Policy: spannerPolicy,
}).Do()
if err != nil {
return errwrap.Wrapf(fmt.Sprintf("Error setting IAM policy for %s: {{err}}", u.DescribeResource()), err)
}
return nil
}
func (u *SpannerInstanceIamUpdater) GetResourceId() string {
return spannerInstanceId{
Project: u.project,
Instance: u.instance,
}.terraformId()
}
func (u *SpannerInstanceIamUpdater) GetMutexKey() string {
return fmt.Sprintf("iam-spanner-instance-%s-%s", u.project, u.instance)
}
func (u *SpannerInstanceIamUpdater) DescribeResource() string {
return fmt.Sprintf("Spanner Instance: %s/%s", u.project, u.instance)
}
type spannerInstanceId struct {
Project string
Instance string
}
func (s spannerInstanceId) terraformId() string {
return fmt.Sprintf("%s/%s", s.Project, s.Instance)
}
func (s spannerInstanceId) parentProjectUri() string {
return fmt.Sprintf("projects/%s", s.Project)
}
func (s spannerInstanceId) instanceUri() string {
return fmt.Sprintf("%s/instances/%s", s.parentProjectUri(), s.Instance)
}
func (s spannerInstanceId) instanceConfigUri(c string) string {
return fmt.Sprintf("%s/instanceConfigs/%s", s.parentProjectUri(), c)
}
func extractSpannerInstanceId(id string) (*spannerInstanceId, error) {
if !regexp.MustCompile("^" + ProjectRegex + "/[a-z0-9-]+$").Match([]byte(id)) {
return nil, fmt.Errorf("Invalid spanner id format, expecting {projectId}/{instanceId}")
}
parts := strings.Split(id, "/")
return &spannerInstanceId{
Project: parts[0],
Instance: parts[1],
}, nil
}