| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| |
| package cloudstack |
| |
| import ( |
| "log" |
| |
| "github.com/hashicorp/terraform/helper/schema" |
| "github.com/xanzy/go-cloudstack/v2/cloudstack" |
| ) |
| |
| // tagsSchema returns the schema to use for tags |
| func tagsSchema() *schema.Schema { |
| return &schema.Schema{ |
| Type: schema.TypeMap, |
| Optional: true, |
| Computed: true, |
| } |
| } |
| |
| // setTags is a helper to set the tags for a resource. It expects the |
| // tags field to be named "tags" |
| func setTags(cs *cloudstack.CloudStackClient, d *schema.ResourceData, resourcetype string) error { |
| if tags, ok := d.GetOk("tags"); ok { |
| p := cs.Resourcetags.NewCreateTagsParams( |
| []string{d.Id()}, |
| resourcetype, tagsFromSchema(tags.(map[string]interface{})), |
| ) |
| _, err := cs.Resourcetags.CreateTags(p) |
| if err != nil { |
| return err |
| } |
| } |
| |
| return nil |
| } |
| |
| // updateTags is a helper to update only when tags field change tags |
| // field to be named "tags" |
| func updateTags(cs *cloudstack.CloudStackClient, d *schema.ResourceData, resourcetype string) error { |
| oraw, nraw := d.GetChange("tags") |
| o := oraw.(map[string]interface{}) |
| n := nraw.(map[string]interface{}) |
| |
| remove, create := diffTags(tagsFromSchema(o), tagsFromSchema(n)) |
| log.Printf("[DEBUG] tags to remove: %v", remove) |
| log.Printf("[DEBUG] tags to create: %v", create) |
| |
| // First remove any obsolete tags |
| if len(remove) > 0 { |
| log.Printf("[DEBUG] Removing tags: %v from %s", remove, d.Id()) |
| p := cs.Resourcetags.NewDeleteTagsParams([]string{d.Id()}, resourcetype) |
| p.SetTags(remove) |
| _, err := cs.Resourcetags.DeleteTags(p) |
| if err != nil { |
| return err |
| } |
| } |
| |
| // Then add any new tags |
| if len(create) > 0 { |
| log.Printf("[DEBUG] Creating tags: %v for %s", create, d.Id()) |
| p := cs.Resourcetags.NewCreateTagsParams([]string{d.Id()}, resourcetype, create) |
| _, err := cs.Resourcetags.CreateTags(p) |
| if err != nil { |
| return err |
| } |
| } |
| |
| return nil |
| } |
| |
| // diffTags takes the old and the new tag sets and returns the difference of |
| // both. The remaining tags are those that need to be removed and created |
| func diffTags(oldTags, newTags map[string]string) (map[string]string, map[string]string) { |
| for k, old := range oldTags { |
| new, ok := newTags[k] |
| if ok && old == new { |
| // We should avoid removing or creating tags we already have |
| delete(oldTags, k) |
| delete(newTags, k) |
| } |
| } |
| |
| return oldTags, newTags |
| } |
| |
| // tagsFromSchema takes the raw schema tags and returns them as a |
| // properly asserted map[string]string |
| func tagsFromSchema(m map[string]interface{}) map[string]string { |
| result := make(map[string]string, len(m)) |
| for k, v := range m { |
| result[k] = v.(string) |
| } |
| return result |
| } |