88 lines
1.9 KiB
Go
88 lines
1.9 KiB
Go
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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"names": {
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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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"state": {
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Type: schema.TypeString,
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Optional: true,
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ValidateFunc: validateStateType,
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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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request := &ec2.DescribeAvailabilityZonesInput{}
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if v, ok := d.GetOk("state"); ok {
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request.Filters = []*ec2.Filter{
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{
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Name: aws.String("state"),
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Values: []*string{aws.String(v.(string))},
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},
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}
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}
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log.Printf("[DEBUG] Availability Zones request options: %#v", *request)
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resp, err := conn.DescribeAvailabilityZones(request)
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if err != nil {
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return fmt.Errorf("Error fetching Availability Zones: %s", err)
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}
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raw := make([]string, len(resp.AvailabilityZones))
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for i, v := range resp.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("names", raw); err != nil {
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return fmt.Errorf("[WARN] Error setting Availability Zones: %s", err)
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}
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return nil
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}
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func validateStateType(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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validState := map[string]bool{
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"available": true,
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"information": true,
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"impaired": true,
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"unavailable": true,
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}
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if !validState[value] {
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errors = append(errors, fmt.Errorf(
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"%q contains an invalid Availability Zone state %q. Valid states are: %q, %q, %q and %q.",
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k, value, "available", "information", "impaired", "unavailable"))
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}
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return
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}
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