// setTags is a helper to set the tags for a resource. It expects the
// tags field to be named "tags"
func setTagsEC(conn *elasticache.ElastiCache, 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 := diffTagsEC(tagsFromMapEC(o), tagsFromMapEC(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.RemoveTagsFromResource(&elasticache.RemoveTagsFromResourceInput{
ResourceName: aws.String(arn),
TagKeys: k,
})
if err != nil {
return err
}
}
if len(create) > 0 {
log.Printf("[DEBUG] Creating tags: %#v", create)
_, err := conn.AddTagsToResource(&elasticache.AddTagsToResourceInput{
ResourceName: aws.String(arn),
Tags: create,
})
if err != nil {
return err
}
}
}
return nil
}
