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resource_google_project.go
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resource_google_project.go
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package google
import (
"encoding/json"
"fmt"
"log"
"net/http"
"strconv"
"github.com/hashicorp/terraform/helper/schema"
"google.golang.org/api/cloudresourcemanager/v1"
"google.golang.org/api/googleapi"
)
// resourceGoogleProject returns a *schema.Resource that allows a customer
// to declare a Google Cloud Project resource.
//
// This example shows a project with a policy declared in config:
//
// resource "google_project" "my-project" {
// project = "a-project-id"
// policy = "${data.google_iam_policy.admin.policy}"
// }
func resourceGoogleProject() *schema.Resource {
return &schema.Resource{
SchemaVersion: 1,
Create: resourceGoogleProjectCreate,
Read: resourceGoogleProjectRead,
Update: resourceGoogleProjectUpdate,
Delete: resourceGoogleProjectDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
MigrateState: resourceGoogleProjectMigrateState,
Schema: map[string]*schema.Schema{
"id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
Deprecated: "The id field has unexpected behaviour and probably doesn't do what you expect. See https://www.terraform.io/docs/providers/google/r/google_project.html#id-field for more information. Please use project_id instead; future versions of Terraform will remove the id field.",
},
"project_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
// This suppresses the diff if project_id is not set
if new == "" {
return true
}
return false
},
},
"skip_delete": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
Computed: true,
},
"name": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"org_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"policy_data": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
Deprecated: "Use the 'google_project_iam_policy' resource to define policies for a Google Project",
DiffSuppressFunc: jsonPolicyDiffSuppress,
},
"policy_etag": &schema.Schema{
Type: schema.TypeString,
Computed: true,
Deprecated: "Use the the 'google_project_iam_policy' resource to define policies for a Google Project",
},
"number": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
},
}
}
func resourceGoogleProjectCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
var pid string
var err error
pid = d.Get("project_id").(string)
if pid == "" {
pid, err = getProject(d, config)
if err != nil {
return fmt.Errorf("Error getting project ID: %v", err)
}
if pid == "" {
return fmt.Errorf("'project_id' must be set in the config")
}
}
// we need to check if name and org_id are set, and throw an error if they aren't
// we can't just set these as required on the object, however, as that would break
// all configs that used previous iterations of the resource.
// TODO(paddy): remove this for 0.9 and set these attributes as required.
name, org_id := d.Get("name").(string), d.Get("org_id").(string)
if name == "" {
return fmt.Errorf("`name` must be set in the config if you're creating a project.")
}
if org_id == "" {
return fmt.Errorf("`org_id` must be set in the config if you're creating a project.")
}
log.Printf("[DEBUG]: Creating new project %q", pid)
project := &cloudresourcemanager.Project{
ProjectId: pid,
Name: d.Get("name").(string),
Parent: &cloudresourcemanager.ResourceId{
Id: d.Get("org_id").(string),
Type: "organization",
},
}
op, err := config.clientResourceManager.Projects.Create(project).Do()
if err != nil {
return fmt.Errorf("Error creating project %s (%s): %s.", project.ProjectId, project.Name, err)
}
d.SetId(pid)
// Wait for the operation to complete
waitErr := resourceManagerOperationWait(config, op, "project to create")
if waitErr != nil {
return waitErr
}
// Apply the IAM policy if it is set
if pString, ok := d.GetOk("policy_data"); ok {
// The policy string is just a marshaled cloudresourcemanager.Policy.
// Unmarshal it to a struct.
var policy cloudresourcemanager.Policy
if err := json.Unmarshal([]byte(pString.(string)), &policy); err != nil {
return err
}
log.Printf("[DEBUG] Got policy from config: %#v", policy.Bindings)
// Retrieve existing IAM policy from project. This will be merged
// with the policy defined here.
p, err := getProjectIamPolicy(pid, config)
if err != nil {
return err
}
log.Printf("[DEBUG] Got existing bindings from project: %#v", p.Bindings)
// Merge the existing policy bindings with those defined in this manifest.
p.Bindings = mergeBindings(append(p.Bindings, policy.Bindings...))
// Apply the merged policy
log.Printf("[DEBUG] Setting new policy for project: %#v", p)
_, err = config.clientResourceManager.Projects.SetIamPolicy(pid,
&cloudresourcemanager.SetIamPolicyRequest{Policy: p}).Do()
if err != nil {
return fmt.Errorf("Error applying IAM policy for project %q: %s", pid, err)
}
}
return resourceGoogleProjectRead(d, meta)
}
func resourceGoogleProjectRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
pid := d.Id()
// Read the project
p, err := config.clientResourceManager.Projects.Get(pid).Do()
if err != nil {
if v, ok := err.(*googleapi.Error); ok && v.Code == http.StatusNotFound {
return fmt.Errorf("Project %q does not exist.", pid)
}
return fmt.Errorf("Error checking project %q: %s", pid, err)
}
d.Set("project_id", pid)
d.Set("number", strconv.FormatInt(int64(p.ProjectNumber), 10))
d.Set("name", p.Name)
if p.Parent != nil {
d.Set("org_id", p.Parent.Id)
}
// Read the IAM policy
pol, err := getProjectIamPolicy(pid, config)
if err != nil {
return err
}
polBytes, err := json.Marshal(pol)
if err != nil {
return err
}
d.Set("policy_etag", pol.Etag)
d.Set("policy_data", string(polBytes))
return nil
}
func resourceGoogleProjectUpdate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
pid := d.Id()
// Read the project
// we need the project even though refresh has already been called
// because the API doesn't support patch, so we need the actual object
p, err := config.clientResourceManager.Projects.Get(pid).Do()
if err != nil {
if v, ok := err.(*googleapi.Error); ok && v.Code == http.StatusNotFound {
return fmt.Errorf("Project %q does not exist.", pid)
}
return fmt.Errorf("Error checking project %q: %s", pid, err)
}
// Project name has changed
if ok := d.HasChange("name"); ok {
p.Name = d.Get("name").(string)
// Do update on project
p, err = config.clientResourceManager.Projects.Update(p.ProjectId, p).Do()
if err != nil {
return fmt.Errorf("Error updating project %q: %s", p.Name, err)
}
}
return updateProjectIamPolicy(d, config, pid)
}
func resourceGoogleProjectDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
// Only delete projects if skip_delete isn't set
if !d.Get("skip_delete").(bool) {
pid := d.Id()
_, err := config.clientResourceManager.Projects.Delete(pid).Do()
if err != nil {
return fmt.Errorf("Error deleting project %q: %s", pid, err)
}
}
d.SetId("")
return nil
}
func updateProjectIamPolicy(d *schema.ResourceData, config *Config, pid string) error {
// Policy has changed
if ok := d.HasChange("policy_data"); ok {
// The policy string is just a marshaled cloudresourcemanager.Policy.
// Unmarshal it to a struct that contains the old and new policies
oldP, newP := d.GetChange("policy_data")
oldPString := oldP.(string)
newPString := newP.(string)
// JSON Unmarshaling would fail
if oldPString == "" {
oldPString = "{}"
}
if newPString == "" {
newPString = "{}"
}
log.Printf("[DEBUG]: Old policy: %q\nNew policy: %q", oldPString, newPString)
var oldPolicy, newPolicy cloudresourcemanager.Policy
if err := json.Unmarshal([]byte(newPString), &newPolicy); err != nil {
return err
}
if err := json.Unmarshal([]byte(oldPString), &oldPolicy); err != nil {
return err
}
// Find any Roles and Members that were removed (i.e., those that are present
// in the old but absent in the new
oldMap := rolesToMembersMap(oldPolicy.Bindings)
newMap := rolesToMembersMap(newPolicy.Bindings)
deleted := make(map[string]map[string]bool)
// Get each role and its associated members in the old state
for role, members := range oldMap {
// Initialize map for role
if _, ok := deleted[role]; !ok {
deleted[role] = make(map[string]bool)
}
// The role exists in the new state
if _, ok := newMap[role]; ok {
// Check each memeber
for member, _ := range members {
// Member does not exist in new state, so it was deleted
if _, ok = newMap[role][member]; !ok {
deleted[role][member] = true
}
}
} else {
// This indicates an entire role was deleted. Mark all members
// for delete.
for member, _ := range members {
deleted[role][member] = true
}
}
}
log.Printf("[DEBUG] Roles and Members to be deleted: %#v", deleted)
// Retrieve existing IAM policy from project. This will be merged
// with the policy in the current state
// TODO(evanbrown): Add an 'authoritative' flag that allows policy
// in manifest to overwrite existing policy.
p, err := getProjectIamPolicy(pid, config)
if err != nil {
return err
}
log.Printf("[DEBUG] Got existing bindings from project: %#v", p.Bindings)
// Merge existing policy with policy in the current state
log.Printf("[DEBUG] Merging new bindings from project: %#v", newPolicy.Bindings)
mergedBindings := mergeBindings(append(p.Bindings, newPolicy.Bindings...))
// Remove any roles and members that were explicitly deleted
mergedBindingsMap := rolesToMembersMap(mergedBindings)
for role, members := range deleted {
for member, _ := range members {
delete(mergedBindingsMap[role], member)
}
}
p.Bindings = rolesToMembersBinding(mergedBindingsMap)
dump, _ := json.MarshalIndent(p.Bindings, " ", " ")
log.Printf("[DEBUG] Setting new policy for project: %#v:\n%s", p, string(dump))
_, err = config.clientResourceManager.Projects.SetIamPolicy(pid,
&cloudresourcemanager.SetIamPolicyRequest{Policy: p}).Do()
if err != nil {
return fmt.Errorf("Error applying IAM policy for project %q: %s", pid, err)
}
}
return nil
}