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resource_google_project_migrate.go
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resource_google_project_migrate.go
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package google
import (
"fmt"
"log"
"github.com/hashicorp/terraform/terraform"
)
func resourceGoogleProjectMigrateState(v int, s *terraform.InstanceState, meta interface{}) (*terraform.InstanceState, error) {
if s.Empty() {
log.Println("[DEBUG] Empty InstanceState; nothing to migrate.")
return s, nil
}
switch v {
case 0:
log.Println("[INFO] Found Google Project State v0; migrating to v1")
s, err := migrateGoogleProjectStateV0toV1(s, meta.(*Config))
if err != nil {
return s, err
}
return s, nil
default:
return s, fmt.Errorf("Unexpected schema version: %d", v)
}
}
// This migration adjusts google_project resources to include several additional attributes
// required to support project creation/deletion that was added in V1.
func migrateGoogleProjectStateV0toV1(s *terraform.InstanceState, config *Config) (*terraform.InstanceState, error) {
log.Printf("[DEBUG] Attributes before migration: %#v", s.Attributes)
s.Attributes["skip_delete"] = "true"
s.Attributes["project_id"] = s.ID
if s.Attributes["policy_data"] != "" {
p, err := getProjectIamPolicy(s.ID, config)
if err != nil {
return s, fmt.Errorf("Could not retrieve project's IAM policy while attempting to migrate state from V0 to V1: %v", err)
}
s.Attributes["policy_etag"] = p.Etag
}
log.Printf("[DEBUG] Attributes after migration: %#v", s.Attributes)
return s, nil
}