provider/aws: Add aws_availability_zones source
This commit adds a data source with a single list, `instance` for the schema which gets populated with the availability zones to which an account has access.
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parent
7a5641b894
commit
1ea727eb13
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@ -0,0 +1,52 @@
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package aws
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import (
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"fmt"
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"log"
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"sort"
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"time"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func dataSourceAwsAvailabilityZones() *schema.Resource {
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return &schema.Resource{
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Read: dataSourceAwsAvailabilityZonesRead,
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Schema: map[string]*schema.Schema{
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"instance": &schema.Schema{
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Type: schema.TypeList,
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Computed: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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},
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},
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}
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}
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func dataSourceAwsAvailabilityZonesRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).ec2conn
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log.Printf("[DEBUG] Reading availability zones")
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d.SetId(time.Now().UTC().String())
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req := &ec2.DescribeAvailabilityZonesInput{DryRun: aws.Bool(false)}
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azresp, err := conn.DescribeAvailabilityZones(req)
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if err != nil {
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return fmt.Errorf("Error listing availability zones: %s", err)
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}
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raw := make([]string, len(azresp.AvailabilityZones))
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for i, v := range azresp.AvailabilityZones {
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raw[i] = *v.ZoneName
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}
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sort.Strings(raw)
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if err := d.Set("instance", raw); err != nil {
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return fmt.Errorf("[WARN] Error setting availability zones")
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}
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return nil
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}
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@ -110,6 +110,10 @@ func Provider() terraform.ResourceProvider {
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},
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},
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DataSourcesMap: map[string]*schema.Resource{
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"aws_availability_zones": dataSourceAwsAvailabilityZones(),
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},
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ResourcesMap: map[string]*schema.Resource{
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"aws_ami": resourceAwsAmi(),
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"aws_ami_copy": resourceAwsAmiCopy(),
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@ -0,0 +1,39 @@
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---
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layout: "aws"
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page_title: "AWS: aws_availability_zones"
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sidebar_current: "docs-aws-datasource-availability-zones"
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description: |-
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Provides a list of availability zones which can be used by an AWS account
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---
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# aws\_availability\_zones
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The Availability Zones data source allows access to the list of AWS
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Availability Zones which can be accessed by an AWS account within the region
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configured in the provider.
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## Example Usage
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```
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# Declare the data source
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data "aws_availability_zones" "zones" {}
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# Create a subnet in each availability zone
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resource "aws_subnet" "public" {
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count = "${length(data.aws_availability_zones.zones.instance)}"
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availability_zone = "${data.aws_availability_zones.zones.instance[count.index]}"
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# Other properties...
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}
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```
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## Argument Reference
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There are no arguments for this data source.
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## Attributes Reference
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The following attributes are exported:
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* `instance` - A list of the availability zone names available to the account.
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@ -10,6 +10,15 @@
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<a href="/docs/providers/aws/index.html">AWS Provider</a>
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</li>
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<li<%= sidebar_current(/^docs-aws-datasource/) %>
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<a href="#">Data Sources</a>
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<ul class="nav nav-visible">
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<li<%= sidebar_current("docs-aws-datasource-availability-zones") %>>
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<a href="/docs/providers/aws/d/availability_zones.html">aws_availability_zones</a>
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</li>
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</ul>
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</li>
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<li<%= sidebar_current(/^docs-aws-resource-api-gateway/) %>>
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<a href="#">API Gateway Resources</a>
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<ul class="nav nav-visible">
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