TerraformでRDS Auroraクラスタのリストアをする

 1// auroraクラスタを構築するための定義
 2resource "aws_rds_cluster" "hoge_db_cluster" {
 3    cluster_identifier = "hoge_db_cluster"
 4    engine = "aurora-postgresql"
 5    database_name = "${var.db_name}"
 6    master_username = "${data.aws_kms_secrets.master.plaintext["master_username"]}"
 7    master_password = "${data.aws_kms_secrets.master.plaintext["master_password"]}"
 8    backup_retention_period = 7
 9    preferred_backup_window = "19:30-20:00"
10    preferred_maintenance_window = "mon:17:00-mon:17:30"
11    port = 5432
12    vpc_security_group_ids = [
13        "${aws_security_group.hoge_db_sg.id}"
14    ]
15    db_subnet_group_name = "${aws_db_subnet_group.hoge_db_subnet.name}"
16    db_cluster_parameter_group_name = "${aws_rds_cluster_parameter_group.hoge_db_cluster_parameter_group.name}"
17    skip_final_snapshot = false
18    final_snapshot_identifier = "hogehogehogehoge"
19    snapshot_identifier = "${data.aws_db_cluster_snapshot.final_snapshot.id}"
20    tags {
21        Name = "hoge-db-cluster"
22    }
23    lifecycle {
24        ignore_changes  = [
25            "final_snapshot_identifier",
26            "snapshot_identifier",
27        ]
28    }
29}
30
31// snapshotを参照するためのdata定義
32data "aws_db_cluster_snapshot" "final_snapshot" {
33    db_cluster_snapshot_identifier = "hogehogehogehoge"
34    most_recent = true
35}
36
37// クラスタインスタンスを生成するための定義
38resource "aws_rds_cluster_instance" "hoge_db_cluster_instance" {
39    (設定は省略)
40    cluster_identifier = "${aws_rds_cluster.hoge_db_cluster.id}"
41}