terraform/builtin/providers/alicloud/tags.go

127 lines
2.8 KiB
Go

package alicloud
import (
"fmt"
"log"
"github.com/denverdino/aliyungo/ecs"
"github.com/hashicorp/terraform/helper/schema"
"strings"
)
func String(v string) *string {
return &v
}
// tagsSchema returns the schema to use for tags.
//
func tagsSchema() *schema.Schema {
return &schema.Schema{
Type: schema.TypeMap,
//Elem: &schema.Schema{Type: schema.TypeString},
Optional: true,
}
}
// setTags is a helper to set the tags for a resource. It expects the
// tags field to be named "tags"
func setTags(client *AliyunClient, resourceType ecs.TagResourceType, d *schema.ResourceData) error {
conn := client.ecsconn
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 from %s", remove, d.Id())
err := RemoveTags(conn, &RemoveTagsArgs{
RegionId: client.Region,
ResourceId: d.Id(),
ResourceType: resourceType,
Tag: remove,
})
if err != nil {
return fmt.Errorf("Remove tags got error: %s", err)
}
}
if len(create) > 0 {
log.Printf("[DEBUG] Creating tags: %s for %s", create, d.Id())
err := AddTags(conn, &AddTagsArgs{
RegionId: client.Region,
ResourceId: d.Id(),
ResourceType: resourceType,
Tag: create,
})
if err != nil {
return fmt.Errorf("Creating tags got error: %s", err)
}
}
}
return nil
}
// diffTags takes our tags locally and the ones remotely and returns
// the set of tags that must be created, and the set of tags that must
// be destroyed.
func diffTags(oldTags, newTags []Tag) ([]Tag, []Tag) {
// First, we're creating everything we have
create := make(map[string]interface{})
for _, t := range newTags {
create[t.Key] = t.Value
}
// Build the list of what to remove
var remove []Tag
for _, t := range oldTags {
old, ok := create[t.Key]
if !ok || old != t.Value {
// Delete it!
remove = append(remove, t)
}
}
return tagsFromMap(create), remove
}
// tagsFromMap returns the tags for the given map of data.
func tagsFromMap(m map[string]interface{}) []Tag {
result := make([]Tag, 0, len(m))
for k, v := range m {
result = append(result, Tag{
Key: k,
Value: v.(string),
})
}
return result
}
func tagsToMap(tags []ecs.TagItemType) map[string]string {
result := make(map[string]string)
for _, t := range tags {
result[t.TagKey] = t.TagValue
}
return result
}
func tagsToString(tags []ecs.TagItemType) string {
result := make([]string, 0, len(tags))
for _, tag := range tags {
ecsTags := ecs.TagItemType{
TagKey: tag.TagKey,
TagValue: tag.TagValue,
}
result = append(result, ecsTags.TagKey+":"+ecsTags.TagValue)
}
return strings.Join(result, ",")
}