mirror of
https://github.com/ceph/ceph-csi.git
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78 lines
2.4 KiB
Go
78 lines
2.4 KiB
Go
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/*
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Copyright 2023 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 version
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import (
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"fmt"
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"sync/atomic"
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utilversion "k8s.io/apimachinery/pkg/util/version"
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)
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var dynamicGitVersion atomic.Value
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func init() {
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// initialize to static gitVersion
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dynamicGitVersion.Store(gitVersion)
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}
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// SetDynamicVersion overrides the version returned as the GitVersion from Get().
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// The specified version must be non-empty, a valid semantic version, and must
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// match the major/minor/patch version of the default gitVersion.
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func SetDynamicVersion(dynamicVersion string) error {
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if err := ValidateDynamicVersion(dynamicVersion); err != nil {
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return err
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}
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dynamicGitVersion.Store(dynamicVersion)
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return nil
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}
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// ValidateDynamicVersion ensures the given version is non-empty, a valid semantic version,
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// and matched the major/minor/patch version of the default gitVersion.
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func ValidateDynamicVersion(dynamicVersion string) error {
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return validateDynamicVersion(dynamicVersion, gitVersion)
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}
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func validateDynamicVersion(dynamicVersion, defaultVersion string) error {
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if len(dynamicVersion) == 0 {
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return fmt.Errorf("version must not be empty")
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}
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if dynamicVersion == defaultVersion {
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// allow no-op
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return nil
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}
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vRuntime, err := utilversion.ParseSemantic(dynamicVersion)
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if err != nil {
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return err
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}
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// must match major/minor/patch of default version
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var vDefault *utilversion.Version
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if defaultVersion == "v0.0.0-master+$Format:%H$" {
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// special-case the placeholder value which doesn't parse as a semantic version
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vDefault, err = utilversion.ParseSemantic("v0.0.0-master")
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} else {
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vDefault, err = utilversion.ParseSemantic(defaultVersion)
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}
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if err != nil {
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return err
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}
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if vRuntime.Major() != vDefault.Major() || vRuntime.Minor() != vDefault.Minor() || vRuntime.Patch() != vDefault.Patch() {
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return fmt.Errorf("version %q must match major/minor/patch of default version %q", dynamicVersion, defaultVersion)
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}
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return nil
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}
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