[WIP] provider/aws: Availability Zone helper resource

builtin/providers/aws/provider.go

@@ -130,6 +130,7 @@ func Provider() terraform.ResourceProvider {
 			"aws_autoscaling_notification":                 resourceAwsAutoscalingNotification(),
 			"aws_autoscaling_policy":                       resourceAwsAutoscalingPolicy(),
 			"aws_autoscaling_schedule":                     resourceAwsAutoscalingSchedule(),
+			"aws_availability_zones":                       resourceAwsAvailabilityZones(),
 			"aws_cloudformation_stack":                     resourceAwsCloudFormationStack(),
 			"aws_cloudfront_distribution":                  resourceAwsCloudFrontDistribution(),
 			"aws_cloudfront_origin_access_identity":        resourceAwsCloudFrontOriginAccessIdentity(),

builtin/providers/aws/resource_aws_availability_zones.go

@@ -0,0 +1,64 @@
+package aws
+
+import (
+	"fmt"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/ec2"
+	"github.com/hashicorp/terraform/helper/schema"
+)
+
+func resourceAwsAvailabilityZones() *schema.Resource {
+	return &schema.Resource{
+		Create: resourceAwsAZCreate,
+		Read:   resourceAwsAZRead,
+		//Update: resourceAwsAZUpdate,
+		Delete: resourceAwsAZDelete,
+
+		Schema: map[string]*schema.Schema{
+			"name": &schema.Schema{
+				Type:     schema.TypeString,
+				Required: true,
+				ForceNew: true,
+			},
+			"availability_zones": &schema.Schema{
+				Type:     schema.TypeSet,
+				Computed: true,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+				Set:      schema.HashString,
+			},
+		},
+	}
+}
+
+func resourceAwsAZCreate(d *schema.ResourceData, meta interface{}) error {
+	name := d.Get("name").(string)
+	d.SetId(name)
+	return resourceAwsAZRead(d, meta)
+}
+
+func resourceAwsAZRead(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).ec2conn
+	req := &ec2.DescribeAvailabilityZonesInput{DryRun: aws.Bool(false)}
+	azresp, err := conn.DescribeAvailabilityZones(req)
+	if err != nil {
+		return fmt.Errorf("Error listing availability zones: %s", err)
+	}
+
+	raw := schema.NewSet(schema.HashString, nil)
+
+	for _, v := range azresp.AvailabilityZones {
+		raw.Add(*v.ZoneName)
+	}
+
+	azErr := d.Set("availability_zones", raw)
+
+	if azErr != nil {
+		return fmt.Errorf("[WARN] Error setting availability zones")
+	}
+	return nil
+}
+
+func resourceAwsAZDelete(d *schema.ResourceData, meta interface{}) error {
+	return nil
+}