forked from hashicorp/terraform-provider-aws
/
resource_aws_iam_role_policy_attachment.go
140 lines (118 loc) · 3.58 KB
/
resource_aws_iam_role_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 resourceAwsIamRolePolicyAttachment() *schema.Resource {
return &schema.Resource{
Create: resourceAwsIamRolePolicyAttachmentCreate,
Read: resourceAwsIamRolePolicyAttachmentRead,
Delete: resourceAwsIamRolePolicyAttachmentDelete,
Importer: &schema.ResourceImporter{
State: resourceAwsIamRolePolicyAttachmentImport,
},
Schema: map[string]*schema.Schema{
"role": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"policy_arn": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
},
}
}
func resourceAwsIamRolePolicyAttachmentCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
role := d.Get("role").(string)
arn := d.Get("policy_arn").(string)
err := attachPolicyToRole(conn, role, arn)
if err != nil {
return fmt.Errorf("Error attaching policy %s to IAM Role %s: %v", arn, role, err)
}
d.SetId(resource.PrefixedUniqueId(fmt.Sprintf("%s-", role)))
return resourceAwsIamRolePolicyAttachmentRead(d, meta)
}
func resourceAwsIamRolePolicyAttachmentRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
role := d.Get("role").(string)
arn := d.Get("policy_arn").(string)
_, err := conn.GetRole(&iam.GetRoleInput{
RoleName: aws.String(role),
})
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)", role)
d.SetId("")
return nil
}
}
return err
}
args := iam.ListAttachedRolePoliciesInput{
RoleName: aws.String(role),
}
var policy string
err = conn.ListAttachedRolePoliciesPages(&args, func(page *iam.ListAttachedRolePoliciesOutput, lastPage bool) bool {
for _, p := range page.AttachedPolicies {
if *p.PolicyArn == arn {
policy = *p.PolicyArn
}
}
return policy == ""
})
if err != nil {
return err
}
if policy == "" {
log.Printf("[WARN] No such policy found for Role Policy Attachment (%s)", role)
d.SetId("")
}
return nil
}
func resourceAwsIamRolePolicyAttachmentDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
role := d.Get("role").(string)
arn := d.Get("policy_arn").(string)
err := detachPolicyFromRole(conn, role, arn)
if err != nil {
return fmt.Errorf("Error removing policy %s from IAM Role %s: %v", arn, role, err)
}
return nil
}
func resourceAwsIamRolePolicyAttachmentImport(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 <role-name>/<policy_arn>", d.Id())
}
roleName := idParts[0]
policyARN := idParts[1]
d.Set("role", roleName)
d.Set("policy_arn", policyARN)
d.SetId(fmt.Sprintf("%s-%s", roleName, policyARN))
return []*schema.ResourceData{d}, nil
}
func attachPolicyToRole(conn *iam.IAM, role string, arn string) error {
_, err := conn.AttachRolePolicy(&iam.AttachRolePolicyInput{
RoleName: aws.String(role),
PolicyArn: aws.String(arn),
})
return err
}
func detachPolicyFromRole(conn *iam.IAM, role string, arn string) error {
_, err := conn.DetachRolePolicy(&iam.DetachRolePolicyInput{
RoleName: aws.String(role),
PolicyArn: aws.String(arn),
})
return err
}