gp ssh (#17998)

* Add `gp ssh`

* Implement non-working owner token retrieval

* `--access-token`

* Remove access token method

* update help text

* Format errors

* Enhance help command

* Remove unused import

* Unnecessary variable

* Add todo

Author: filiptronicek

components/gitpod-cli/cmd/ssh.go

@@ -0,0 +1,50 @@
+// Copyright (c) 2023 Gitpod GmbH. All rights reserved.
+// Licensed under the GNU Affero General Public License (AGPL).
+// See License.AGPL.txt in the project root for license information.
+
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/gitpod-io/gitpod/gitpod-cli/pkg/gitpod"
+
+	"github.com/spf13/cobra"
+)
+
+// todo(ft): distribute this common metadata from the root command to all subcommands to reduce latency
+var gitpodHost = os.Getenv("GITPOD_HOST")
+
+// sshCmd represents the ssh command
+var sshCmd = &cobra.Command{
+	Use:   "ssh",
+	Short: "Show the SSH connection command for the current workspace",
+	Long: fmt.Sprintf(`Displays a command with which you can connect to the current workspace.
+The returned command requires SSH keys to be configured with Gitpod.
+See %s/user/keys for a guide on setting them up.
+`, gitpodHost), RunE: func(cmd *cobra.Command, args []string) error {
+		ctx, cancel := context.WithTimeout(cmd.Context(), 10*time.Second)
+		defer cancel()
+
+		wsInfo, err := gitpod.GetWSInfo(ctx)
+		if err != nil {
+			return fmt.Errorf("cannot get workspace info: %w", err)
+		}
+
+		host := strings.Replace(wsInfo.WorkspaceUrl, wsInfo.WorkspaceId, wsInfo.WorkspaceId+".ssh", -1)
+		sshKeyHost := fmt.Sprintf(`%s@%s`, wsInfo.WorkspaceId, host)
+
+		sshCommand := fmt.Sprintf(`ssh '%s'`, sshKeyHost)
+		fmt.Println(sshCommand)
+
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(sshCmd)
+}