Terraform plan for Aurora RDS upgrade

terraform.out

Terraform will perform the following actions:

  # aws_rds_cluster.main_postgresql will be updated in-place
  ~ resource "aws_rds_cluster" "main_postgresql" {
        apply_immediately                   = true
        arn                                 = "arn:aws:rds:us-east-1:764058948821:cluster:aurora-cluster-main"
        availability_zones                  = [
            "us-east-1a",
            "us-east-1b",
            "us-east-1c",
        ]
        backtrack_window                    = 0
        backup_retention_period             = 5
        cluster_identifier                  = "aurora-cluster-main"
        cluster_members                     = [
            "aurora-cluster-main-instance-20190416042012248100000001",
            "aurora-cluster-main-instance-20190416042012248100000002",
        ]
        cluster_resource_id                 = "cluster-NFM2XF5DJE3SPQCSC3PRRBX3QM"
        copy_tags_to_snapshot               = false
        database_name                       = "pcs"
        db_cluster_parameter_group_name     = "default.aurora-postgresql10"
        db_subnet_group_name                = "main"
        deletion_protection                 = false
        enabled_cloudwatch_logs_exports     = []
        endpoint                            = "aurora-cluster-main.cluster-cq4bbuzofxrs.us-east-1.rds.amazonaws.com"
        engine                              = "aurora-postgresql"
        engine_mode                         = "provisioned"
      ~ engine_version                      = "10.6" -> "10.7"
        hosted_zone_id                      = "Z2R2ITUGPM61AM"
        iam_database_authentication_enabled = false
        iam_roles                           = []
        id                                  = "aurora-cluster-main"
        kms_key_id                          = "arn:aws:kms:us-east-1:764058948821:key/b587cb79-c0b7-4eb1-8e21-2c3afadeaea2"
        master_password                     = (sensitive value)
        master_username                     = "pix4d_admin"
        port                                = 5432
        preferred_backup_window             = "03:00-05:00"
        preferred_maintenance_window        = "mon:05:00-mon:06:00"
        reader_endpoint                     = "aurora-cluster-main.cluster-ro-cq4bbuzofxrs.us-east-1.rds.amazonaws.com"
        skip_final_snapshot                 = true
        storage_encrypted                   = true
        tags                                = {}
        vpc_security_group_ids              = [
            "sg-028eac1581fc4c6d2",
        ]

        timeouts {}
    }

  # aws_rds_cluster_instance.main_postgresql_instances[0] must be replaced
-/+ resource "aws_rds_cluster_instance" "main_postgresql_instances" {
        apply_immediately               = true
      ~ arn                             = "arn:aws:rds:us-east-1:764058948821:db:aurora-cluster-main-instance-20190416042012248100000001" -> (known after apply)
        auto_minor_version_upgrade      = false
      ~ availability_zone               = "us-east-1b" -> (known after apply)
        cluster_identifier              = "aurora-cluster-main"
        copy_tags_to_snapshot           = false
      ~ db_parameter_group_name         = "default.aurora-postgresql10" -> (known after apply)
        db_subnet_group_name            = "main"
      ~ dbi_resource_id                 = "db-2FI72Z2WIP2VKDPGPOBJJGT5OQ" -> (known after apply)
      ~ endpoint                        = "aurora-cluster-main-instance-20190416042012248100000001.cq4bbuzofxrs.us-east-1.rds.amazonaws.com" -> (known after apply)
        engine                          = "aurora-postgresql"
      ~ engine_version                  = "10.6" -> "10.7" # forces replacement
      ~ id                              = "aurora-cluster-main-instance-20190416042012248100000001" -> (known after apply)
      ~ identifier                      = "aurora-cluster-main-instance-20190416042012248100000001" -> (known after apply)
        identifier_prefix               = "aurora-cluster-main-instance-"
        instance_class                  = "db.r5.large"
      ~ kms_key_id                      = "arn:aws:kms:us-east-1:764058948821:key/b587cb79-c0b7-4eb1-8e21-2c3afadeaea2" -> (known after apply)
        monitoring_interval             = 0
      + monitoring_role_arn             = (known after apply)
      ~ performance_insights_enabled    = false -> (known after apply)
      + performance_insights_kms_key_id = (known after apply)
      ~ port                            = 5432 -> (known after apply)
      ~ preferred_backup_window         = "03:00-05:00" -> (known after apply)
      ~ preferred_maintenance_window    = "fri:10:15-fri:10:45" -> (known after apply)
        promotion_tier                  = 0
        publicly_accessible             = true
      ~ storage_encrypted               = true -> (known after apply)
      - tags                            = {} -> null
      ~ writer                          = true -> (known after apply)

      - timeouts {}
    }

  # aws_rds_cluster_instance.main_postgresql_instances[1] must be replaced
-/+ resource "aws_rds_cluster_instance" "main_postgresql_instances" {
        apply_immediately               = true
      ~ arn                             = "arn:aws:rds:us-east-1:764058948821:db:aurora-cluster-main-instance-20190416042012248100000002" -> (known after apply)
        auto_minor_version_upgrade      = false
      ~ availability_zone               = "us-east-1c" -> (known after apply)
        cluster_identifier              = "aurora-cluster-main"
        copy_tags_to_snapshot           = false
      ~ db_parameter_group_name         = "default.aurora-postgresql10" -> (known after apply)
        db_subnet_group_name            = "main"
      ~ dbi_resource_id                 = "db-WMYAAX5NPJQGXLAHC4MMSRG3ZM" -> (known after apply)
      ~ endpoint                        = "aurora-cluster-main-instance-20190416042012248100000002.cq4bbuzofxrs.us-east-1.rds.amazonaws.com" -> (known after apply)
        engine                          = "aurora-postgresql"
      ~ engine_version                  = "10.6" -> "10.7" # forces replacement
      ~ id                              = "aurora-cluster-main-instance-20190416042012248100000002" -> (known after apply)
      ~ identifier                      = "aurora-cluster-main-instance-20190416042012248100000002" -> (known after apply)
        identifier_prefix               = "aurora-cluster-main-instance-"
        instance_class                  = "db.r5.large"
      ~ kms_key_id                      = "arn:aws:kms:us-east-1:764058948821:key/b587cb79-c0b7-4eb1-8e21-2c3afadeaea2" -> (known after apply)
        monitoring_interval             = 0
      + monitoring_role_arn             = (known after apply)
      ~ performance_insights_enabled    = false -> (known after apply)
      + performance_insights_kms_key_id = (known after apply)
      ~ port                            = 5432 -> (known after apply)
      ~ preferred_backup_window         = "03:00-05:00" -> (known after apply)
      ~ preferred_maintenance_window    = "fri:07:32-fri:08:02" -> (known after apply)
        promotion_tier                  = 0
        publicly_accessible             = true
      ~ storage_encrypted               = true -> (known after apply)
      - tags                            = {} -> null
      ~ writer                          = false -> (known after apply)

      - timeouts {}
    }

Plan: 2 to add, 1 to change, 2 to destroy.