cmd/incus: Add admin cluster

Signed-off-by: Stéphane Graber <[email protected]>

cmd/incus/admin.go

@@ -20,6 +20,10 @@ func (c *cmdAdmin) Command() *cobra.Command {
 	cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
 		`Manage incus daemon`))
 
+	// cluster
+	adminClusterCmd := cmdAdminCluster{global: c.global}
+	cmd.AddCommand(adminClusterCmd.Command())
+
 	// init
 	adminInitCmd := cmdAdminInit{global: c.global}
 	cmd.AddCommand(adminInitCmd.Command())

cmd/incus/admin_cluster.go

@@ -0,0 +1,51 @@
+//go:build linux
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+
+	cli "github.com/lxc/incus/internal/cmd"
+	"github.com/lxc/incus/internal/i18n"
+	"github.com/lxc/incus/shared/util"
+
+	"github.com/spf13/cobra"
+)
+
+type cmdAdminCluster struct {
+	global *cmdGlobal
+}
+
+func (c *cmdAdminCluster) Command() *cobra.Command {
+	cmd := &cobra.Command{}
+	cmd.Use = usage("cluster")
+	cmd.Short = i18n.G("Low-level cluster administration commands")
+	cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
+		`Low level administration tools for inspecting and recovering clusters.`))
+
+	cmd.Run = c.Run
+	return cmd
+}
+
+func (c *cmdAdminCluster) Run(cmd *cobra.Command, args []string) {
+	path, _ := exec.LookPath("incusd")
+	if path == "" {
+		if util.PathExists("/usr/lib/incus/incusd") {
+			path = "/usr/lib/incus/incusd"
+		} else if util.PathExists("/opt/incus/bin/incusd") {
+			path = "/opt/incus/bin/incusd"
+		}
+	}
+
+	if path == "" {
+		fmt.Println(i18n.G(`The "cluster" subcommand requires access to internal server data.
+To do so, it's actually part of the "incusd" binary rather than "incus".
+
+You can invoke it through "incusd cluster".`))
+		os.Exit(1)
+	}
+
+	doExec(path, []string{"incusd", "cluster"}, getEnviron())
+}