mirror of https://github.com/kubernetes/kops.git
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
/*
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Copyright 2021 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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"bytes"
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"fmt"
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"net/url"
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"strings"
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"github.com/blang/semver"
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"k8s.io/kops/tests/e2e/pkg/util"
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)
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// ParseKubernetesVersion will parse the provided k8s version
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// Either a semver or marker URL is accepted
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func ParseKubernetesVersion(version string) (string, error) {
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if _, err := url.Parse(version); err == nil {
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var b bytes.Buffer
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err = util.HTTPGETWithHeaders(version, nil, &b)
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if err != nil {
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return "", err
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}
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return strings.TrimSpace(b.String()), nil
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}
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if _, err := semver.ParseTolerant(version); err == nil {
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return version, nil
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}
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return "", fmt.Errorf("unexpected kubernetes version: %v", version)
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}
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