forked from hashicorp/terraform-provider-aws
/
data_source_aws_vpc_dhcp_options.go
126 lines (108 loc) · 3.37 KB
/
data_source_aws_vpc_dhcp_options.go
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package aws
import (
"errors"
"fmt"
"log"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/terraform/helper/schema"
)
func dataSourceAwsVpcDhcpOptions() *schema.Resource {
return &schema.Resource{
Read: dataSourceAwsVpcDhcpOptionsRead,
Schema: map[string]*schema.Schema{
"dhcp_options_id": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"domain_name": {
Type: schema.TypeString,
Computed: true,
},
"domain_name_servers": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"filter": ec2CustomFiltersSchema(),
"netbios_name_servers": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"netbios_node_type": {
Type: schema.TypeString,
Computed: true,
},
"ntp_servers": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"tags": tagsSchemaComputed(),
},
}
}
func dataSourceAwsVpcDhcpOptionsRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
input := &ec2.DescribeDhcpOptionsInput{}
if v, ok := d.GetOk("dhcp_options_id"); ok && v.(string) != "" {
input.DhcpOptionsIds = []*string{aws.String(v.(string))}
}
input.Filters = append(input.Filters, buildEC2CustomFilterList(
d.Get("filter").(*schema.Set),
)...)
if len(input.Filters) == 0 {
// Don't send an empty filters list; the EC2 API won't accept it.
input.Filters = nil
}
log.Printf("[DEBUG] Reading EC2 DHCP Options: %s", input)
output, err := conn.DescribeDhcpOptions(input)
if err != nil {
if isNoSuchDhcpOptionIDErr(err) {
return errors.New("No matching EC2 DHCP Options found")
}
return fmt.Errorf("error reading EC2 DHCP Options: %s", err)
}
if len(output.DhcpOptions) == 0 {
return errors.New("No matching EC2 DHCP Options found")
}
if len(output.DhcpOptions) > 1 {
return errors.New("Multiple matching EC2 DHCP Options found")
}
dhcpOptionID := aws.StringValue(output.DhcpOptions[0].DhcpOptionsId)
d.SetId(dhcpOptionID)
d.Set("dhcp_options_id", dhcpOptionID)
dhcpConfigurations := output.DhcpOptions[0].DhcpConfigurations
for _, dhcpConfiguration := range dhcpConfigurations {
key := aws.StringValue(dhcpConfiguration.Key)
tfKey := strings.Replace(key, "-", "_", -1)
if len(dhcpConfiguration.Values) == 0 {
continue
}
switch key {
case "domain-name":
d.Set(tfKey, aws.StringValue(dhcpConfiguration.Values[0].Value))
case "domain-name-servers":
if err := d.Set(tfKey, flattenEc2AttributeValues(dhcpConfiguration.Values)); err != nil {
return fmt.Errorf("error setting %s: %s", tfKey, err)
}
case "netbios-name-servers":
if err := d.Set(tfKey, flattenEc2AttributeValues(dhcpConfiguration.Values)); err != nil {
return fmt.Errorf("error setting %s: %s", tfKey, err)
}
case "netbios-node-type":
d.Set(tfKey, aws.StringValue(dhcpConfiguration.Values[0].Value))
case "ntp-servers":
if err := d.Set(tfKey, flattenEc2AttributeValues(dhcpConfiguration.Values)); err != nil {
return fmt.Errorf("error setting %s: %s", tfKey, err)
}
}
}
if err := d.Set("tags", d.Set("tags", tagsToMap(output.DhcpOptions[0].Tags))); err != nil {
return fmt.Errorf("error setting tags: %s", err)
}
return nil
}