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resource_aws_iam_user_group_membership.go
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resource_aws_iam_user_group_membership.go
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package aws
import (
"fmt"
"log"
"github.com/aws/aws-sdk-go/service/iam"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsIamUserGroupMembership() *schema.Resource {
return &schema.Resource{
Create: resourceAwsIamUserGroupMembershipCreate,
Read: resourceAwsIamUserGroupMembershipRead,
Update: resourceAwsIamUserGroupMembershipUpdate,
Delete: resourceAwsIamUserGroupMembershipDelete,
Schema: map[string]*schema.Schema{
"user": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"groups": {
Type: schema.TypeSet,
Required: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
},
}
}
func resourceAwsIamUserGroupMembershipCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
user := d.Get("user").(string)
groupList := expandStringList(d.Get("groups").(*schema.Set).List())
if err := addUserToGroups(conn, user, groupList); err != nil {
return err
}
d.SetId(resource.UniqueId())
return resourceAwsIamUserGroupMembershipRead(d, meta)
}
func resourceAwsIamUserGroupMembershipRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
user := d.Get("user").(string)
groups := d.Get("groups").(*schema.Set)
var gl []string
var marker *string
for {
resp, err := conn.ListGroupsForUser(&iam.ListGroupsForUserInput{
UserName: &user,
Marker: marker,
})
if err != nil {
if isAWSErr(err, iam.ErrCodeNoSuchEntityException, "") {
// no such user
log.Printf("[WARN] Groups not found for user (%s), removing from state", user)
d.SetId("")
return nil
}
return err
}
for _, g := range resp.Groups {
// only read in the groups we care about
if groups.Contains(*g.GroupName) {
gl = append(gl, *g.GroupName)
}
}
if !*resp.IsTruncated {
break
}
marker = resp.Marker
}
if err := d.Set("groups", gl); err != nil {
return fmt.Errorf("Error setting group list from IAM (%s), error: %s", user, err)
}
return nil
}
func resourceAwsIamUserGroupMembershipUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
if d.HasChange("groups") {
user := d.Get("user").(string)
o, n := d.GetChange("groups")
if o == nil {
o = new(schema.Set)
}
if n == nil {
n = new(schema.Set)
}
os := o.(*schema.Set)
ns := n.(*schema.Set)
remove := expandStringList(os.Difference(ns).List())
add := expandStringList(ns.Difference(os).List())
if err := removeUserFromGroups(conn, user, remove); err != nil {
return err
}
if err := addUserToGroups(conn, user, add); err != nil {
return err
}
}
return resourceAwsIamUserGroupMembershipRead(d, meta)
}
func resourceAwsIamUserGroupMembershipDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).iamconn
user := d.Get("user").(string)
groups := expandStringList(d.Get("groups").(*schema.Set).List())
if err := removeUserFromGroups(conn, user, groups); err != nil {
return err
}
return nil
}
func removeUserFromGroups(conn *iam.IAM, user string, groups []*string) error {
for _, group := range groups {
_, err := conn.RemoveUserFromGroup(&iam.RemoveUserFromGroupInput{
UserName: &user,
GroupName: group,
})
if err != nil {
if isAWSErr(err, iam.ErrCodeNoSuchEntityException, "") {
continue
}
return err
}
}
return nil
}
func addUserToGroups(conn *iam.IAM, user string, groups []*string) error {
for _, group := range groups {
_, err := conn.AddUserToGroup(&iam.AddUserToGroupInput{
UserName: &user,
GroupName: group,
})
if err != nil {
return err
}
}
return nil
}