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resource_aws_default_vpc_dhcp_options.go
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resource_aws_default_vpc_dhcp_options.go
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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 resourceAwsDefaultVpcDhcpOptions() *schema.Resource {
// reuse aws_vpc_dhcp_options schema, and methods for READ, UPDATE
dvpc := resourceAwsVpcDhcpOptions()
dvpc.Create = resourceAwsDefaultVpcDhcpOptionsCreate
dvpc.Delete = resourceAwsDefaultVpcDhcpOptionsDelete
// domain_name is a computed value for Default Default DHCP Options Sets
dvpc.Schema["domain_name"] = &schema.Schema{
Type: schema.TypeString,
Computed: true,
}
// domain_name_servers is a computed value for Default Default DHCP Options Sets
dvpc.Schema["domain_name_servers"] = &schema.Schema{
Type: schema.TypeString,
Computed: true,
}
// ntp_servers is a computed value for Default Default DHCP Options Sets
dvpc.Schema["ntp_servers"] = &schema.Schema{
Type: schema.TypeString,
Computed: true,
}
return dvpc
}
func resourceAwsDefaultVpcDhcpOptionsCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
var domainName string
awsRegion := meta.(*AWSClient).region
if awsRegion == "us-east-1" {
domainName = "ec2.internal"
} else {
domainName = awsRegion + ".compute.internal"
}
req := &ec2.DescribeDhcpOptionsInput{
Filters: []*ec2.Filter{
&ec2.Filter{
Name: aws.String("key"),
Values: aws.StringSlice([]string{"domain-name"}),
},
&ec2.Filter{
Name: aws.String("value"),
Values: aws.StringSlice([]string{domainName}),
},
&ec2.Filter{
Name: aws.String("key"),
Values: aws.StringSlice([]string{"domain-name-servers"}),
},
&ec2.Filter{
Name: aws.String("value"),
Values: aws.StringSlice([]string{"AmazonProvidedDNS"}),
},
},
}
resp, err := conn.DescribeDhcpOptions(req)
if err != nil {
return err
}
if len(resp.DhcpOptions) != 1 || resp.DhcpOptions[0] == nil {
return fmt.Errorf("Default DHCP Options Set not found")
}
d.SetId(aws.StringValue(resp.DhcpOptions[0].DhcpOptionsId))
if err := resourceAwsVpcDhcpOptionsUpdate(d, meta); err != nil {
return err
}
return resourceAwsVpcDhcpOptionsRead(d, meta)
}
func resourceAwsDefaultVpcDhcpOptionsDelete(d *schema.ResourceData, meta interface{}) error {
log.Printf("[WARN] Cannot destroy Default DHCP Options Set. Terraform will remove this resource from the state file, however resources may remain.")
d.SetId("")
return nil
}