/
data_source_aws_availability_zones.go
86 lines (73 loc) · 2.19 KB
/
data_source_aws_availability_zones.go
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package aws
import (
"fmt"
"log"
"sort"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/helper/validation"
)
func dataSourceAwsAvailabilityZones() *schema.Resource {
return &schema.Resource{
Read: dataSourceAwsAvailabilityZonesRead,
Schema: map[string]*schema.Schema{
"names": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"state": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validation.StringInSlice([]string{
ec2.AvailabilityZoneStateAvailable,
ec2.AvailabilityZoneStateInformation,
ec2.AvailabilityZoneStateImpaired,
ec2.AvailabilityZoneStateUnavailable,
}, false),
},
"zone_ids": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
},
}
}
func dataSourceAwsAvailabilityZonesRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
log.Printf("[DEBUG] Reading Availability Zones.")
d.SetId(time.Now().UTC().String())
request := &ec2.DescribeAvailabilityZonesInput{}
if v, ok := d.GetOk("state"); ok {
request.Filters = []*ec2.Filter{
{
Name: aws.String("state"),
Values: []*string{aws.String(v.(string))},
},
}
}
log.Printf("[DEBUG] Reading Availability Zones: %s", request)
resp, err := conn.DescribeAvailabilityZones(request)
if err != nil {
return fmt.Errorf("Error fetching Availability Zones: %s", err)
}
sort.Slice(resp.AvailabilityZones, func(i, j int) bool {
return aws.StringValue(resp.AvailabilityZones[i].ZoneName) < aws.StringValue(resp.AvailabilityZones[j].ZoneName)
})
names := []string{}
zoneIds := []string{}
for _, v := range resp.AvailabilityZones {
names = append(names, aws.StringValue(v.ZoneName))
zoneIds = append(zoneIds, aws.StringValue(v.ZoneId))
}
if err := d.Set("names", names); err != nil {
return fmt.Errorf("Error setting Availability Zone names: %s", err)
}
if err := d.Set("zone_ids", zoneIds); err != nil {
return fmt.Errorf("Error setting Availability Zone IDs: %s", err)
}
return nil
}