mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-19 12:50:23 +00:00
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
|
/*
|
||
|
|
Copyright 2019 The Kubernetes Authors.
|
||
|
|
|
||
|
|
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 metrics
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"regexp"
|
||
|
|
|
||
|
|
"github.com/blang/semver"
|
||
|
|
|
||
|
|
apimachineryversion "k8s.io/apimachinery/pkg/version"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
versionRegexpString = `^v(\d+\.\d+\.\d+)`
|
||
|
|
)
|
||
|
|
|
||
|
|
var (
|
||
|
|
versionRe = regexp.MustCompile(versionRegexpString)
|
||
|
|
)
|
||
|
|
|
||
|
|
func parseSemver(s string) *semver.Version {
|
||
|
|
if s != "" {
|
||
|
|
sv := semver.MustParse(s)
|
||
|
|
return &sv
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
func parseVersion(ver apimachineryversion.Info) semver.Version {
|
||
|
|
matches := versionRe.FindAllStringSubmatch(ver.String(), -1)
|
||
|
|
|
||
|
|
if len(matches) != 1 {
|
||
|
|
panic(fmt.Sprintf("version string \"%v\" doesn't match expected regular expression: \"%v\"", ver.String(), versionRe.String()))
|
||
|
|
}
|
||
|
|
return semver.MustParse(matches[0][1])
|
||
|
|
}
|