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cmd_version.go
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cmd_version.go
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package cli
import (
"context"
"fmt"
"github.com/spf13/cobra"
empty "google.golang.org/protobuf/types/known/emptypb"
"github.com/telepresenceio/telepresence/rpc/v2/common"
"github.com/telepresenceio/telepresence/rpc/v2/connector"
"github.com/telepresenceio/telepresence/rpc/v2/daemon"
"github.com/telepresenceio/telepresence/v2/pkg/client"
"github.com/telepresenceio/telepresence/v2/pkg/client/cli/cliutil"
)
func versionCommand() *cobra.Command {
return &cobra.Command{
Use: "version",
Args: cobra.NoArgs,
Short: "Show version",
PreRunE: forcedUpdateCheck,
RunE: printVersion,
}
}
// printVersion requests version info from the daemon and prints both client and daemon version.
func printVersion(cmd *cobra.Command, _ []string) error {
fmt.Fprintf(cmd.OutOrStdout(), "Client: %s\n",
client.DisplayVersion())
var retErr error
version, err := daemonVersion(cmd.Context())
switch {
case err == nil:
fmt.Fprintf(cmd.OutOrStdout(), "Root Daemon: %s (api v%d)\n",
version.Version, version.ApiVersion)
case err == cliutil.ErrNoNetwork:
fmt.Fprintf(cmd.OutOrStdout(), "Root Daemon: not running\n")
default:
fmt.Fprintf(cmd.OutOrStdout(), "Root Daemon: error: %v\n", err)
retErr = err
}
version, err = connectorVersion(cmd.Context())
switch {
case err == nil:
fmt.Fprintf(cmd.OutOrStdout(), "User Daemon: %s (api v%d)\n",
version.Version, version.ApiVersion)
case err == cliutil.ErrNoUserDaemon:
fmt.Fprintf(cmd.OutOrStdout(), "User Daemon: not running\n")
default:
fmt.Fprintf(cmd.OutOrStdout(), "User Daemon: error: %v\n", err)
retErr = err
}
return retErr
}
func daemonVersion(ctx context.Context) (*common.VersionInfo, error) {
var version *common.VersionInfo
err := cliutil.WithStartedNetwork(ctx, func(ctx context.Context, daemonClient daemon.DaemonClient) error {
var err error
version, err = daemonClient.Version(ctx, &empty.Empty{})
if err != nil {
return err
}
return nil
})
if err != nil {
return nil, err
}
return version, nil
}
func connectorVersion(ctx context.Context) (*common.VersionInfo, error) {
var version *common.VersionInfo
err := cliutil.WithStartedConnector(ctx, false, func(ctx context.Context, connectorClient connector.ConnectorClient) error {
var err error
version, err = connectorClient.Version(ctx, &empty.Empty{})
if err != nil {
return err
}
return nil
})
if err != nil {
return nil, err
}
return version, nil
}