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c4f79d455f
As kubernetes 1.24.0 is released, updating kubernetes dependencies to 1.24.0 updates: #3086 Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metrics
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import (
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"fmt"
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"regexp"
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"github.com/blang/semver/v4"
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apimachineryversion "k8s.io/apimachinery/pkg/version"
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)
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const (
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versionRegexpString = `^v(\d+\.\d+\.\d+)`
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)
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var (
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versionRe = regexp.MustCompile(versionRegexpString)
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)
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func parseSemver(s string) *semver.Version {
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if s != "" {
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sv := semver.MustParse(s)
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return &sv
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}
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return nil
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}
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func parseVersion(ver apimachineryversion.Info) semver.Version {
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matches := versionRe.FindAllStringSubmatch(ver.String(), -1)
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if len(matches) != 1 {
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panic(fmt.Sprintf("version string \"%v\" doesn't match expected regular expression: \"%v\"", ver.String(), versionRe.String()))
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}
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return semver.MustParse(matches[0][1])
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}
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