func setTagsRedshift(conn *redshift.Redshift, d *schema.ResourceData, arn string) error { if d.HasChange("tags") { oraw, nraw := d.GetChange("tags") o := oraw.(map[string]interface{}) n := nraw.(map[string]interface{}) create, remove := diffTagsRedshift(tagsFromMapRedshift(o), tagsFromMapRedshift(n)) // Set tags if len(remove) > 0 { log.Printf("[DEBUG] Removing tags: %#v", remove) k := make([]*string, len(remove), len(remove)) for i, t := range remove { k[i] = t.Key } _, err := conn.DeleteTags(&redshift.DeleteTagsInput{ ResourceName: aws.String(arn), TagKeys: k, }) if err != nil { return err } } if len(create) > 0 { log.Printf("[DEBUG] Creating tags: %#v", create) _, err := conn.CreateTags(&redshift.CreateTagsInput{ ResourceName: aws.String(arn), Tags: create, }) if err != nil { return err } } } return nil }