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provider/aws: clarify `db_subnet_group_name` in Aurora docs 

The `db_subnet_group_name` needs to match between clusters and their
instances.
This commit is contained in:
Paul Hinze 2016-03-18 17:12:57 -05:00
parent 4e5429a140
commit fe04808d0d
2 changed files with 9 additions and 14 deletions
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2
website/source/docs/providers/aws/r/rds_cluster.html.markdown
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@ -75,7 +75,7 @@ Default: A 30-minute window selected at random from an 8-hour block of time per
* `apply_immediately` - (Optional) Specifies whether any cluster modifications
are applied immediately, or during the next maintenance window. Default is
`false`. See [Amazon RDS Documentation for more information.](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Overview.DBInstance.Modifying.html)
* `db_subnet_group_name` - (Optional) A DB subnet group to associate with this DB instance.
* `db_subnet_group_name` - (Optional) A DB subnet group to associate with this DB instance. **NOTE:** This must match the `db_subnet_group_name` specified on every [`aws_rds_cluster_instance`](/docs/providers/aws/r/rds_cluster_instance.html) in the cluster.
## Attributes Reference

21
website/source/docs/providers/aws/r/rds_cluster_instance.html.markdown
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@ -25,18 +25,18 @@ For more information on Amazon Aurora, see [Aurora on Amazon RDS][2] in the Amaz
```
resource "aws_rds_cluster_instance" "cluster_instances" {
count = 2
identifier = "aurora-cluster-demo-${count.index}"
count = 2
identifier = "aurora-cluster-demo-${count.index}"
cluster_identifier = "${aws_rds_cluster.default.id}"
instance_class = "db.r3.large"
instance_class = "db.r3.large"
}
resource "aws_rds_cluster" "default" {
cluster_identifier = "aurora-cluster-demo"
availability_zones = ["us-west-2a","us-west-2b","us-west-2c"]
database_name = "mydb"
master_username = "foo"
master_password = "barbut8chars"
database_name = "mydb"
master_username = "foo"
master_password = "barbut8chars"
}
```
@ -49,9 +49,7 @@ The following arguments are supported:
* `identifier` - (Optional) The Instance Identifier. Must be a lower case
string. If omitted, a unique identifier will be generated.
* `cluster_identifier` - (Required) The Cluster Identifier for this Instance to
join. Must be a lower case
string.
* `cluster_identifier` - (Required) The identifier of the [`aws_rds_cluster`](/docs/providers/aws/r/rds_cluster.html) in which to launch this instance.
* `instance_class` - (Required) The instance class to use. For details on CPU
and memory, see [Scaling Aurora DB Instances][4]. Aurora currently
supports the below instance classes.
@ -63,10 +61,7 @@ and memory, see [Scaling Aurora DB Instances][4]. Aurora currently
* `publicly_accessible` - (Optional) Bool to control if instance is publicly accessible.
Default `false`. See the documentation on [Creating DB Instances][6] for more
details on controlling this property.
* `db_subnet_group_name` - (Optional) A DB subnet group to associate with this DB instance.
~> **NOTE:** `db_subnet_group_name` is a required field when you are trying to create a private instance (`publicly_accessible` = false)
* `db_subnet_group_name` - (Required if `publicly_accessible = false`, Optional otherwise) A DB subnet group to associate with this DB instance. **NOTE:** This must match the `db_subnet_group_name` of the attached [`aws_rds_cluster`](/docs/providers/aws/r/rds_cluster.html).
## Attributes Reference