terraform/builtin/providers/aws/data_source_aws_security_gr...

87 lines
2.1 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 dataSourceAwsSecurityGroup() *schema.Resource {
return &schema.Resource{
Read: dataSourceAwsSecurityGroupRead,
Schema: map[string]*schema.Schema{
"vpc_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"name": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"filter": ec2CustomFiltersSchema(),
"id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"tags": tagsSchemaComputed(),
},
}
}
func dataSourceAwsSecurityGroupRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
req := &ec2.DescribeSecurityGroupsInput{}
if id, idExists := d.GetOk("id"); idExists {
req.GroupIds = []*string{aws.String(id.(string))}
}
req.Filters = buildEC2AttributeFilterList(
map[string]string{
"group-name": d.Get("name").(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] Describe Security Groups %v\n", req)
resp, err := conn.DescribeSecurityGroups(req)
if err != nil {
return err
}
if resp == nil || len(resp.SecurityGroups) == 0 {
return fmt.Errorf("no matching SecurityGroup found")
}
if len(resp.SecurityGroups) > 1 {
return fmt.Errorf("multiple Security Groups matched; use additional constraints to reduce matches to a single Security Group")
}
sg := resp.SecurityGroups[0]
d.SetId(*sg.GroupId)
d.Set("id", sg.VpcId)
d.Set("name", sg.GroupName)
d.Set("description", sg.Description)
d.Set("vpc_id", sg.VpcId)
d.Set("tags", tagsToMap(sg.Tags))
return nil
}