mirror of
https://github.com/gravitational/teleport.git
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48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
/*
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Copyright 2018 Gravitational, Inc.
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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 utils
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import (
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"github.com/coreos/go-semver/semver"
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"github.com/gravitational/trace"
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)
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// CheckVersion compares a version with a minimum version supported.
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func CheckVersion(currentVersion, minVersion string) error {
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currentSemver, err := semver.NewVersion(currentVersion)
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if err != nil {
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return trace.Wrap(err, "unsupported version format, need semver format: %q, e.g 1.0.0", currentVersion)
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}
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minSemver, err := semver.NewVersion(minVersion)
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if err != nil {
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return trace.Wrap(err, "unsupported version format, need semver format: %q, e.g 1.0.0", minVersion)
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}
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if currentSemver.LessThan(*minSemver) {
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return trace.BadParameter("incompatible versions: %v < %v", currentVersion, minVersion)
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}
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return nil
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}
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// VersionBeforeAlpha appends "-aa" to the version so that it comes before <version>-alpha.
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// This ban be used to make version checks work during development.
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func VersionBeforeAlpha(version string) string {
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return version + "-aa"
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}
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