forked from hashicorp/terraform-provider-aws
/
resource_aws_iam_group_policy_attachment.go
135 lines (115 loc) · 3.54 KB
/
resource_aws_iam_group_policy_attachment.go
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package aws
import (
"fmt"
"log"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/iam"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsIamGroupPolicyAttachment() *schema.Resource {
return &schema.Resource{
Create: resourceAwsIamGroupPolicyAttachmentCreate,
Read: resourceAwsIamGroupPolicyAttachmentRead,
Delete: resourceAwsIamGroupPolicyAttachmentDelete,
Importer: &schema.ResourceImporter{
State: resourceAwsIamGroupPolicyAttachmentImport,
},
Schema: map[string]*schema.Schema{
"group": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"policy_arn": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
},
}
}
func resourceAwsIamGroupPolicyAttachmentCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
group := d.Get("group").(string)
arn := d.Get("policy_arn").(string)
err := attachPolicyToGroup(conn, group, arn)
if err != nil {
return fmt.Errorf("Error attaching policy %s to IAM group %s: %v", arn, group, err)
}
d.SetId(resource.PrefixedUniqueId(fmt.Sprintf("%s-", group)))
return resourceAwsIamGroupPolicyAttachmentRead(d, meta)
}
func resourceAwsIamGroupPolicyAttachmentRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
group := d.Get("group").(string)
arn := d.Get("policy_arn").(string)
_, err := conn.GetGroup(&iam.GetGroupInput{
GroupName: aws.String(group),
})
if err != nil {
if awsErr, ok := err.(awserr.Error); ok {
if awsErr.Code() == "NoSuchEntity" {
log.Printf("[WARN] No such entity found for Policy Attachment (%s)", group)
d.SetId("")
return nil
}
}
return err
}
attachedPolicies, err := conn.ListAttachedGroupPolicies(&iam.ListAttachedGroupPoliciesInput{
GroupName: aws.String(group),
})
if err != nil {
return err
}
var policy string
for _, p := range attachedPolicies.AttachedPolicies {
if *p.PolicyArn == arn {
policy = *p.PolicyArn
}
}
if policy == "" {
log.Printf("[WARN] No such policy found for Group Policy Attachment (%s)", group)
d.SetId("")
}
return nil
}
func resourceAwsIamGroupPolicyAttachmentDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
group := d.Get("group").(string)
arn := d.Get("policy_arn").(string)
err := detachPolicyFromGroup(conn, group, arn)
if err != nil {
return fmt.Errorf("Error removing policy %s from IAM Group %s: %v", arn, group, err)
}
return nil
}
func resourceAwsIamGroupPolicyAttachmentImport(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
idParts := strings.SplitN(d.Id(), "/", 2)
if len(idParts) != 2 || idParts[0] == "" || idParts[1] == "" {
return nil, fmt.Errorf("unexpected format of ID (%q), expected <group-name>/<policy_arn>", d.Id())
}
groupName := idParts[0]
policyARN := idParts[1]
d.Set("group", groupName)
d.Set("policy_arn", policyARN)
d.SetId(fmt.Sprintf("%s-%s", groupName, policyARN))
return []*schema.ResourceData{d}, nil
}
func attachPolicyToGroup(conn *iam.IAM, group string, arn string) error {
_, err := conn.AttachGroupPolicy(&iam.AttachGroupPolicyInput{
GroupName: aws.String(group),
PolicyArn: aws.String(arn),
})
return err
}
func detachPolicyFromGroup(conn *iam.IAM, group string, arn string) error {
_, err := conn.DetachGroupPolicy(&iam.DetachGroupPolicyInput{
GroupName: aws.String(group),
PolicyArn: aws.String(arn),
})
return err
}