| // Copyright 2015 Google Inc. All Rights Reserved. |
| // |
| // Licensed 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 util contains utility functions for use throughout the Cloud SQL Auth proxy. |
| package util |
| |
| import "strings" |
| |
| // SplitName splits a fully qualified instance into its project, region, and |
| // instance name components. While we make the transition to regionalized |
| // metadata, the region is optional. |
| // |
| // Examples: |
| // "proj:region:my-db" -> ("proj", "region", "my-db") |
| // "google.com:project:region:instance" -> ("google.com:project", "region", "instance") |
| // "google.com:missing:part" -> ("google.com:missing", "", "part") |
| func SplitName(instance string) (project, region, name string) { |
| spl := strings.Split(instance, ":") |
| if len(spl) < 2 { |
| return "", "", instance |
| } |
| if dot := strings.Index(spl[0], "."); dot != -1 { |
| spl[1] = spl[0] + ":" + spl[1] |
| spl = spl[1:] |
| } |
| switch { |
| case len(spl) < 2: |
| return "", "", instance |
| case len(spl) == 2: |
| return spl[0], "", spl[1] |
| default: |
| return spl[0], spl[1], spl[2] |
| } |
| } |
