// setTags is a helper to set the tags for a resource. It expects the // tags field to be named "tags" func setTags(conn *ec2.EC2, d *schema.ResourceData) error { if d.HasChange("tags") { oraw, nraw := d.GetChange("tags") o := oraw.(map[string]interface{}) n := nraw.(map[string]interface{}) create, remove := diffTags(tagsFromMap(o), tagsFromMap(n)) // Set tags if len(remove) > 0 { log.Printf("[DEBUG] Removing tags: %#v", remove) err := conn.DeleteTags(&ec2.DeleteTagsRequest{ Resources: []string{d.Id()}, Tags: remove, }) if err != nil { return err } } if len(create) > 0 { log.Printf("[DEBUG] Creating tags: %#v", create) err := conn.CreateTags(&ec2.CreateTagsRequest{ Resources: []string{d.Id()}, Tags: create, }) if err != nil { return err } } } return nil }