124 lines
3.0 KiB
Go
124 lines
3.0 KiB
Go
![]() |
package aws
|
||
|
|
||
|
import (
|
||
|
"fmt"
|
||
|
"log"
|
||
|
|
||
|
"github.com/aws/aws-sdk-go/aws"
|
||
|
"github.com/aws/aws-sdk-go/service/ec2"
|
||
|
"github.com/hashicorp/terraform/helper/schema"
|
||
|
)
|
||
|
|
||
|
func dataSourceAwsSubnet() *schema.Resource {
|
||
|
return &schema.Resource{
|
||
|
Read: dataSourceAwsSubnetRead,
|
||
|
|
||
|
Schema: map[string]*schema.Schema{
|
||
|
"availability_zone": &schema.Schema{
|
||
|
Type: schema.TypeString,
|
||
|
Optional: true,
|
||
|
Computed: true,
|
||
|
},
|
||
|
|
||
|
"cidr_block": &schema.Schema{
|
||
|
Type: schema.TypeString,
|
||
|
Optional: true,
|
||
|
Computed: true,
|
||
|
},
|
||
|
|
||
|
"default_for_az": &schema.Schema{
|
||
|
Type: schema.TypeBool,
|
||
|
Optional: true,
|
||
|
Computed: true,
|
||
|
},
|
||
|
|
||
|
"filter": ec2CustomFiltersSchema(),
|
||
|
|
||
|
"id": &schema.Schema{
|
||
|
Type: schema.TypeString,
|
||
|
Optional: true,
|
||
|
Computed: true,
|
||
|
},
|
||
|
|
||
|
"state": &schema.Schema{
|
||
|
Type: schema.TypeString,
|
||
|
Optional: true,
|
||
|
Computed: true,
|
||
|
},
|
||
|
|
||
|
"tags": tagsSchemaComputed(),
|
||
|
|
||
|
"vpc_id": &schema.Schema{
|
||
|
Type: schema.TypeString,
|
||
|
Optional: true,
|
||
|
Computed: true,
|
||
|
},
|
||
|
},
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func dataSourceAwsSubnetRead(d *schema.ResourceData, meta interface{}) error {
|
||
|
conn := meta.(*AWSClient).ec2conn
|
||
|
|
||
|
req := &ec2.DescribeSubnetsInput{}
|
||
|
|
||
|
if id := d.Get("id"); id != "" {
|
||
|
req.SubnetIds = []*string{aws.String(id.(string))}
|
||
|
}
|
||
|
|
||
|
// We specify default_for_az as boolean, but EC2 filters want
|
||
|
// it to be serialized as a string. Note that setting it to
|
||
|
// "false" here does not actually filter by it *not* being
|
||
|
// the default, because Terraform can't distinguish between
|
||
|
// "false" and "not set".
|
||
|
defaultForAzStr := ""
|
||
|
if d.Get("default_for_az").(bool) {
|
||
|
defaultForAzStr = "true"
|
||
|
}
|
||
|
|
||
|
req.Filters = buildEC2AttributeFilterList(
|
||
|
map[string]string{
|
||
|
"availabilityZone": d.Get("availability_zone").(string),
|
||
|
"cidrBlock": d.Get("cidr_block").(string),
|
||
|
"defaultForAz": defaultForAzStr,
|
||
|
"state": d.Get("state").(string),
|
||
|
"vpc-id": d.Get("vpc_id").(string),
|
||
|
},
|
||
|
)
|
||
|
req.Filters = append(req.Filters, buildEC2TagFilterList(
|
||
|
tagsFromMap(d.Get("tags").(map[string]interface{})),
|
||
|
)...)
|
||
|
req.Filters = append(req.Filters, buildEC2CustomFilterList(
|
||
|
d.Get("filter").(*schema.Set),
|
||
|
)...)
|
||
|
if len(req.Filters) == 0 {
|
||
|
// Don't send an empty filters list; the EC2 API won't accept it.
|
||
|
req.Filters = nil
|
||
|
}
|
||
|
|
||
|
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")
|
||
|
}
|
||
|
if len(resp.Subnets) > 1 {
|
||
|
return fmt.Errorf("multiple subnets matched; use additional constraints to reduce matches to a single subnet")
|
||
|
}
|
||
|
|
||
|
subnet := resp.Subnets[0]
|
||
|
|
||
|
d.SetId(*subnet.SubnetId)
|
||
|
d.Set("id", subnet.SubnetId)
|
||
|
d.Set("vpc_id", subnet.VpcId)
|
||
|
d.Set("availability_zone", subnet.AvailabilityZone)
|
||
|
d.Set("cidr_block", subnet.CidrBlock)
|
||
|
d.Set("default_for_az", subnet.DefaultForAz)
|
||
|
d.Set("state", subnet.State)
|
||
|
d.Set("tags", tagsToMap(subnet.Tags))
|
||
|
|
||
|
return nil
|
||
|
}
|