97 lines
2.8 KiB
Go
97 lines
2.8 KiB
Go
/*
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Copyright 2020 the Velero contributors.
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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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"context"
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"fmt"
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"io"
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"os"
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"time"
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"github.com/spf13/cobra"
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"golang.org/x/mod/semver"
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kbclient "sigs.k8s.io/controller-runtime/pkg/client"
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"github.com/vmware-tanzu/velero/pkg/buildinfo"
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"github.com/vmware-tanzu/velero/pkg/client"
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"github.com/vmware-tanzu/velero/pkg/cmd"
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"github.com/vmware-tanzu/velero/pkg/cmd/cli/serverstatus"
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)
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func NewCommand(f client.Factory) *cobra.Command {
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var clientOnly bool
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timeout := 5 * time.Second
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c := &cobra.Command{
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Use: "version",
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Short: "Print the velero version and associated image",
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Run: func(c *cobra.Command, args []string) {
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var kbClient kbclient.Client
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if !clientOnly {
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var err error
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kbClient, err = f.KubebuilderClient()
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cmd.CheckError(err)
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}
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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serverStatusGetter := &serverstatus.DefaultServerStatusGetter{
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Namespace: f.Namespace(),
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Context: ctx,
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}
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printVersion(os.Stdout, clientOnly, kbClient, serverStatusGetter)
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},
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}
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c.Flags().DurationVar(&timeout, "timeout", timeout, "Maximum time to wait for server version to be reported. Default is 5 seconds.")
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c.Flags().BoolVar(&clientOnly, "client-only", clientOnly, "Only get velero client version, not server version")
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return c
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}
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func printVersion(w io.Writer, clientOnly bool, kbClient kbclient.Client, serverStatusGetter serverstatus.ServerStatusGetter) {
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fmt.Fprintln(w, "Client:")
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fmt.Fprintf(w, "\tVersion: %s\n", buildinfo.Version)
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fmt.Fprintf(w, "\tGit commit: %s\n", buildinfo.FormattedGitSHA())
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if clientOnly {
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return
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}
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serverStatus, err := serverStatusGetter.GetServerStatus(kbClient)
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if err != nil {
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fmt.Fprintf(w, "<error getting server version: %s>\n", err)
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return
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}
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fmt.Fprintln(w, "Server:")
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fmt.Fprintf(w, "\tVersion: %s\n", serverStatus.Status.ServerVersion)
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serverSemVer := semver.MajorMinor(serverStatus.Status.ServerVersion)
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cliSemVer := semver.MajorMinor(buildinfo.Version)
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if serverSemVer != cliSemVer {
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upgrade := "client"
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cmp := semver.Compare(cliSemVer, serverSemVer)
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if cmp == 1 {
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upgrade = "server"
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}
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fmt.Fprintf(w, "# WARNING: the client version does not match the server version. Please update %s\n", upgrade)
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}
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}
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