74 lines
2.6 KiB
Go
74 lines
2.6 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors 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 gceurl
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
gceUrlSchema = "https"
|
|
gceDomainSufix = "googleapis.com/compute/v1/projects/"
|
|
gcePrefix = gceUrlSchema + "://content." + gceDomainSufix
|
|
instanceUrlTemplate = gcePrefix + "%s/zones/%s/instances/%s"
|
|
migUrlTemplate = gcePrefix + "%s/zones/%s/instanceGroups/%s"
|
|
)
|
|
|
|
// ParseMigUrl expects url in format:
|
|
// https://content.googleapis.com/compute/v1/projects/<project-id>/zones/<zone>/instanceGroups/<name>
|
|
func ParseMigUrl(url string) (project string, zone string, name string, err error) {
|
|
return parseGceUrl(url, "instanceGroups")
|
|
}
|
|
|
|
// ParseInstanceUrl expects url in format:
|
|
// https://content.googleapis.com/compute/v1/projects/<project-id>/zones/<zone>/instances/<name>
|
|
func ParseInstanceUrl(url string) (project string, zone string, name string, err error) {
|
|
return parseGceUrl(url, "instances")
|
|
}
|
|
|
|
// GenerateInstanceUrl generates url for instance.
|
|
func GenerateInstanceUrl(project, zone, name string) string {
|
|
return fmt.Sprintf(instanceUrlTemplate, project, zone, name)
|
|
}
|
|
|
|
// GenerateMigUrl generates url for instance.
|
|
func GenerateMigUrl(project, zone, name string) string {
|
|
return fmt.Sprintf(migUrlTemplate, project, zone, name)
|
|
}
|
|
|
|
func parseGceUrl(url, expectedResource string) (project string, zone string, name string, err error) {
|
|
errMsg := fmt.Errorf("Wrong url: expected format https://content.googleapis.com/compute/v1/projects/<project-id>/zones/<zone>/%s/<name>, got %s", expectedResource, url)
|
|
if !strings.Contains(url, gceDomainSufix) {
|
|
return "", "", "", errMsg
|
|
}
|
|
if !strings.HasPrefix(url, gceUrlSchema) {
|
|
return "", "", "", errMsg
|
|
}
|
|
splitted := strings.Split(strings.Split(url, gceDomainSufix)[1], "/")
|
|
if len(splitted) != 5 || splitted[1] != "zones" {
|
|
return "", "", "", errMsg
|
|
}
|
|
if splitted[3] != expectedResource {
|
|
return "", "", "", fmt.Errorf("Wrong resource in url: expected %s, got %s", expectedResource, splitted[3])
|
|
}
|
|
project = splitted[0]
|
|
zone = splitted[2]
|
|
name = splitted[4]
|
|
return project, zone, name, nil
|
|
}
|