Merge pull request #252 from stgraber/migrate

Add support for migrating from LXD COPR

cmd/lxd-to-incus/main.go

@@ -565,6 +565,7 @@ Instead this tool will be providing specific commands for each of the servers.
 	for _, dir := range []string{"devices", "devlxd", "security", "shmounts"} {
 		_, _ = logFile.WriteString(fmt.Sprintf("Cleaning up path %q\n", filepath.Join(targetPaths.Daemon, dir)))
 
+		_ = unix.Unmount(filepath.Join(targetPaths.Daemon, dir), unix.MNT_DETACH)
 		err = os.RemoveAll(filepath.Join(targetPaths.Daemon, dir))
 		if err != nil && !os.IsNotExist(err) {
 			_, _ = logFile.WriteString(fmt.Sprintf("ERROR: %v\n", err))

cmd/lxd-to-incus/sources.go

@@ -17,5 +17,6 @@ type Source interface {
 var sources = []Source{
 	&srcSnap{},
 	&srcDeb{},
+	&srcCOPR{},
 	&srcManual{},
 }

cmd/lxd-to-incus/sources_copr.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"github.com/canonical/lxd/client"
+
+	"github.com/lxc/incus/shared/subprocess"
+	"github.com/lxc/incus/shared/util"
+)
+
+type srcCOPR struct{}
+
+func (s *srcCOPR) Present() bool {
+	// Validate that the RPM package is installed.
+	_, err := subprocess.RunCommand("rpm", "-q", "lxd")
+	if err != nil {
+		return false
+	}
+
+	if !util.PathExists("/run/lxd.socket") {
+		return false
+	}
+
+	return true
+}
+
+func (s *srcCOPR) Name() string {
+	return "COPR package"
+}
+
+func (s *srcCOPR) Stop() error {
+	_, err := subprocess.RunCommand("systemctl", "stop", "lxd-containers.service", "lxd.service", "lxd.socket")
+	return err
+}
+
+func (s *srcCOPR) Start() error {
+	_, err := subprocess.RunCommand("systemctl", "start", "lxd.socket", "lxd-containers.service")
+	return err
+}
+
+func (s *srcCOPR) Purge() error {
+	_, err := subprocess.RunCommand("dnf", "remove", "-y", "lxd")
+	return err
+}
+
+func (s *srcCOPR) Connect() (lxd.InstanceServer, error) {
+	return lxd.ConnectLXDUnix("/run/lxd.socket", nil)
+}
+
+func (s *srcCOPR) Paths() (*DaemonPaths, error) {
+	return &DaemonPaths{
+		Daemon: "/var/lib/lxd/",
+		Logs:   "/var/log/lxd/",
+		Cache:  "/var/cache/lxd/",
+	}, nil
+}