terraform/builtin/providers/aws/data_source_aws_alb.go

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package aws
import (
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/elbv2"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform/helper/schema"
)
func dataSourceAwsAlb() *schema.Resource {
return &schema.Resource{
Read: dataSourceAwsAlbRead,
Schema: map[string]*schema.Schema{
"arn": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"arn_suffix": {
Type: schema.TypeString,
Computed: true,
},
"name": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"internal": {
Type: schema.TypeBool,
Computed: true,
},
"security_groups": {
Type: schema.TypeSet,
Elem: &schema.Schema{Type: schema.TypeString},
Computed: true,
Set: schema.HashString,
},
"subnets": {
Type: schema.TypeSet,
Elem: &schema.Schema{Type: schema.TypeString},
Computed: true,
Set: schema.HashString,
},
"access_logs": {
Type: schema.TypeList,
Computed: true,
MaxItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"bucket": {
Type: schema.TypeString,
Computed: true,
},
"prefix": {
Type: schema.TypeString,
Computed: true,
},
"enabled": {
Type: schema.TypeBool,
Computed: true,
},
},
},
},
"enable_deletion_protection": {
Type: schema.TypeBool,
Computed: true,
},
"idle_timeout": {
Type: schema.TypeInt,
Computed: true,
},
"vpc_id": {
Type: schema.TypeString,
Computed: true,
},
"zone_id": {
Type: schema.TypeString,
Computed: true,
},
"dns_name": {
Type: schema.TypeString,
Computed: true,
},
"tags": tagsSchemaComputed(),
},
}
}
func dataSourceAwsAlbRead(d *schema.ResourceData, meta interface{}) error {
elbconn := meta.(*AWSClient).elbv2conn
albArn := d.Get("arn").(string)
albName := d.Get("name").(string)
describeAlbOpts := &elbv2.DescribeLoadBalancersInput{}
switch {
case albArn != "":
describeAlbOpts.LoadBalancerArns = []*string{aws.String(albArn)}
case albName != "":
describeAlbOpts.Names = []*string{aws.String(albName)}
}
describeResp, err := elbconn.DescribeLoadBalancers(describeAlbOpts)
if err != nil {
return errwrap.Wrapf("Error retrieving ALB: {{err}}", err)
}
if len(describeResp.LoadBalancers) != 1 {
return fmt.Errorf("Search returned %d results, please revise so only one is returned", len(describeResp.LoadBalancers))
}
d.SetId(*describeResp.LoadBalancers[0].LoadBalancerArn)
return flattenAwsAlbResource(d, meta, describeResp.LoadBalancers[0])
}