github.com/gabrielperezs/terraform@v0.7.0-rc2.0.20160715084931-f7da2612946f/builtin/providers/aws/resource_aws_route53_record_migrate.go (about) 1 package aws 2 3 import ( 4 "fmt" 5 "log" 6 "strings" 7 8 "github.com/hashicorp/terraform/terraform" 9 ) 10 11 func resourceAwsRoute53RecordMigrateState( 12 v int, is *terraform.InstanceState, meta interface{}) (*terraform.InstanceState, error) { 13 switch v { 14 case 0: 15 log.Println("[INFO] Found AWS Route53 Record State v0; migrating to v1") 16 return migrateRoute53RecordStateV0toV1(is) 17 case 1: 18 log.Println("[INFO] Found AWS Route53 Record State v1; migrating to v2") 19 return migrateRoute53RecordStateV1toV2(is) 20 default: 21 return is, fmt.Errorf("Unexpected schema version: %d", v) 22 } 23 } 24 25 func migrateRoute53RecordStateV0toV1(is *terraform.InstanceState) (*terraform.InstanceState, error) { 26 if is.Empty() { 27 log.Println("[DEBUG] Empty InstanceState; nothing to migrate.") 28 return is, nil 29 } 30 31 log.Printf("[DEBUG] Attributes before migration: %#v", is.Attributes) 32 newName := strings.TrimSuffix(is.Attributes["name"], ".") 33 is.Attributes["name"] = newName 34 log.Printf("[DEBUG] Attributes after migration: %#v, new name: %s", is.Attributes, newName) 35 return is, nil 36 } 37 38 func migrateRoute53RecordStateV1toV2(is *terraform.InstanceState) (*terraform.InstanceState, error) { 39 if is.Empty() { 40 log.Println("[DEBUG] Empty InstanceState; nothing to migrate.") 41 return is, nil 42 } 43 log.Printf("[DEBUG] Attributes before migration: %#v", is.Attributes) 44 if is.Attributes["weight"] != "" && is.Attributes["weight"] != "-1" { 45 is.Attributes["weighted_routing_policy.#"] = "1" 46 key := fmt.Sprintf("weighted_routing_policy.0.weight") 47 is.Attributes[key] = is.Attributes["weight"] 48 } 49 if is.Attributes["failover"] != "" { 50 is.Attributes["failover_routing_policy.#"] = "1" 51 key := fmt.Sprintf("failover_routing_policy.0.type") 52 is.Attributes[key] = is.Attributes["failover"] 53 } 54 delete(is.Attributes, "weight") 55 delete(is.Attributes, "failover") 56 log.Printf("[DEBUG] Attributes after migration: %#v", is.Attributes) 57 return is, nil 58 }