terraform/builtin/providers/aws/data_source_aws_subnet_ids.go

69 lines
1.4 KiB
Go

package aws
import (
"fmt"
"log"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/terraform/helper/schema"
)
func dataSourceAwsSubnetIDs() *schema.Resource {
return &schema.Resource{
Read: dataSourceAwsSubnetIDsRead,
Schema: map[string]*schema.Schema{
"tags": tagsSchemaComputed(),
"vpc_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"ids": &schema.Schema{
Type: schema.TypeSet,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
},
}
}
func dataSourceAwsSubnetIDsRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
req := &ec2.DescribeSubnetsInput{}
req.Filters = buildEC2AttributeFilterList(
map[string]string{
"vpc-id": d.Get("vpc_id").(string),
},
)
req.Filters = append(req.Filters, buildEC2TagFilterList(
tagsFromMap(d.Get("tags").(map[string]interface{})),
)...)
log.Printf("[DEBUG] DescribeSubnets %s\n", req)
resp, err := conn.DescribeSubnets(req)
if err != nil {
return err
}
if resp == nil || len(resp.Subnets) == 0 {
return fmt.Errorf("no matching subnet found for vpc with id %s", d.Get("vpc_id").(string))
}
subnets := make([]string, 0)
for _, subnet := range resp.Subnets {
subnets = append(subnets, *subnet.SubnetId)
}
d.SetId(d.Get("vpc_id").(string))
d.Set("ids", subnets)
return nil
}