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Data Source: aws_availability_zones#

Provides a list of availability zones.

This is different from the aws_availability_zone (singular) data source, which provides some details about a specific availability zone.

Example Usage#

By State#

data "aws_availability_zones" "available" {
  state = "available"
}

Argument Reference#

The following arguments are supported:

  • filter - (Optional) Configuration block(s) for filtering. Detailed below.
  • state - (Optional) Allows to filter list of availability zones based on their current state. Can be either "available", "information", "impaired" or "unavailable".

filter Configuration Block#

The following arguments are supported by the filter configuration block:

  • name - (Required) The name of the filter field.
  • values - (Required) Set of values that are accepted for the given filter field. Results will be selected if any given value matches.

For more information about filtering, see the EC2 API documentation.

Attributes Reference#

Supported attributes#

In addition to all arguments above, the following attributes are exported:

  • id - Region of the availability zones.
  • names - A list of the availability zone names available to the account.

Unsupported attributes#

~> Note These attributes may be present in the terraform.tfstate file but they have preset values and cannot be specified in configuration files.

The following attributes are not currently supported:

all_availability_zones, exclude_names, exclude_zone_ids, group_names, zone_ids.