diff --git a/metropolis/cli/dbg/BUILD.bazel b/metropolis/cli/dbg/BUILD.bazel
index 46ac991..39f19a3 100644
--- a/metropolis/cli/dbg/BUILD.bazel
+++ b/metropolis/cli/dbg/BUILD.bazel
@@ -6,9 +6,9 @@
     importpath = "source.monogon.dev/metropolis/cli/dbg",
     visibility = ["//visibility:private"],
     deps = [
-        "//metropolis/pkg/logtree",
         "//metropolis/proto/api",
         "//metropolis/proto/common",
+        "//osbase/logtree",
         "@io_k8s_cli_runtime//pkg/genericclioptions",
         "@io_k8s_component_base//cli",
         "@io_k8s_kubectl//pkg/cmd",
diff --git a/metropolis/cli/dbg/main.go b/metropolis/cli/dbg/main.go
index f087313..3bb762e 100644
--- a/metropolis/cli/dbg/main.go
+++ b/metropolis/cli/dbg/main.go
@@ -32,7 +32,7 @@
 	"k8s.io/kubectl/pkg/cmd/plugin"
 	"k8s.io/kubectl/pkg/cmd/util"
 
-	"source.monogon.dev/metropolis/pkg/logtree"
+	"source.monogon.dev/osbase/logtree"
 
 	apb "source.monogon.dev/metropolis/proto/api"
 	cpb "source.monogon.dev/metropolis/proto/common"
diff --git a/metropolis/cli/metroctl/BUILD.bazel b/metropolis/cli/metroctl/BUILD.bazel
index 37f4b56..e390ff8 100644
--- a/metropolis/cli/metroctl/BUILD.bazel
+++ b/metropolis/cli/metroctl/BUILD.bazel
@@ -46,12 +46,12 @@
         "//metropolis/node/core/identity",
         "//metropolis/node/core/rpc",
         "//metropolis/node/core/rpc/resolver",
-        "//metropolis/pkg/blkio",
-        "//metropolis/pkg/fat32",
-        "//metropolis/pkg/logtree",
-        "//metropolis/pkg/logtree/proto",
         "//metropolis/proto/api",
         "//metropolis/proto/common",
+        "//osbase/blkio",
+        "//osbase/fat32",
+        "//osbase/logtree",
+        "//osbase/logtree/proto",
         "//version",
         "@com_github_adrg_xdg//:xdg",
         "@com_github_spf13_cobra//:cobra",
diff --git a/metropolis/cli/metroctl/cmd_install.go b/metropolis/cli/metroctl/cmd_install.go
index fc463b4..992da3e 100644
--- a/metropolis/cli/metroctl/cmd_install.go
+++ b/metropolis/cli/metroctl/cmd_install.go
@@ -17,8 +17,8 @@
 	cpb "source.monogon.dev/metropolis/proto/common"
 
 	"source.monogon.dev/metropolis/cli/metroctl/core"
-	"source.monogon.dev/metropolis/pkg/blkio"
-	"source.monogon.dev/metropolis/pkg/fat32"
+	"source.monogon.dev/osbase/blkio"
+	"source.monogon.dev/osbase/fat32"
 )
 
 var installCmd = &cobra.Command{
diff --git a/metropolis/cli/metroctl/cmd_node_logs.go b/metropolis/cli/metroctl/cmd_node_logs.go
index 77dd8c2..5b8cef9 100644
--- a/metropolis/cli/metroctl/cmd_node_logs.go
+++ b/metropolis/cli/metroctl/cmd_node_logs.go
@@ -8,10 +8,10 @@
 	"github.com/spf13/cobra"
 
 	"source.monogon.dev/metropolis/cli/metroctl/core"
-	"source.monogon.dev/metropolis/pkg/logtree"
-	lpb "source.monogon.dev/metropolis/pkg/logtree/proto"
 	"source.monogon.dev/metropolis/proto/api"
 	cpb "source.monogon.dev/metropolis/proto/common"
+	"source.monogon.dev/osbase/logtree"
+	lpb "source.monogon.dev/osbase/logtree/proto"
 )
 
 type metroctlLogFlags struct {
diff --git a/metropolis/cli/metroctl/core/BUILD.bazel b/metropolis/cli/metroctl/core/BUILD.bazel
index 1795765..36f02c3 100644
--- a/metropolis/cli/metroctl/core/BUILD.bazel
+++ b/metropolis/cli/metroctl/core/BUILD.bazel
@@ -16,10 +16,10 @@
         "//metropolis/node/core/curator/proto/api",
         "//metropolis/node/core/rpc",
         "//metropolis/node/core/rpc/resolver",
-        "//metropolis/pkg/blockdev",
-        "//metropolis/pkg/fat32",
-        "//metropolis/pkg/gpt",
         "//metropolis/proto/api",
+        "//osbase/blockdev",
+        "//osbase/fat32",
+        "//osbase/gpt",
         "@io_k8s_client_go//pkg/apis/clientauthentication/v1:clientauthentication",
         "@io_k8s_client_go//tools/clientcmd",
         "@io_k8s_client_go//tools/clientcmd/api",
diff --git a/metropolis/cli/metroctl/core/install.go b/metropolis/cli/metroctl/core/install.go
index 223e773..4175e22 100644
--- a/metropolis/cli/metroctl/core/install.go
+++ b/metropolis/cli/metroctl/core/install.go
@@ -9,10 +9,10 @@
 
 	"google.golang.org/protobuf/proto"
 
-	"source.monogon.dev/metropolis/pkg/blockdev"
-	"source.monogon.dev/metropolis/pkg/fat32"
-	"source.monogon.dev/metropolis/pkg/gpt"
 	"source.monogon.dev/metropolis/proto/api"
+	"source.monogon.dev/osbase/blockdev"
+	"source.monogon.dev/osbase/fat32"
+	"source.monogon.dev/osbase/gpt"
 )
 
 type MakeInstallerImageArgs struct {
diff --git a/metropolis/cli/metroctl/test/BUILD.bazel b/metropolis/cli/metroctl/test/BUILD.bazel
index 23bbc4a..9b9c4cc 100644
--- a/metropolis/cli/metroctl/test/BUILD.bazel
+++ b/metropolis/cli/metroctl/test/BUILD.bazel
@@ -13,10 +13,10 @@
     rundir = ".",
     deps = [
         "//metropolis/node",
-        "//metropolis/pkg/cmd",
-        "//metropolis/test/launch/cluster",
+        "//metropolis/test/launch",
         "//metropolis/test/util",
         "//metropolis/version",
+        "//osbase/cmd",
         "//version",
         "@io_bazel_rules_go//go/runfiles:go_default_library",
     ],
@@ -28,10 +28,10 @@
     importpath = "source.monogon.dev/metropolis/cli/metroctl/test",
     visibility = ["//visibility:private"],
     deps = [
-        "//metropolis/pkg/cmd",
-        "//metropolis/test/launch/cluster",
+        "//metropolis/test/launch",
         "//metropolis/test/util",
         "//metropolis/version",
+        "//osbase/cmd",
         "//version",
         "@io_bazel_rules_go//go/runfiles:go_default_library",
     ],
diff --git a/metropolis/cli/metroctl/test/test.go b/metropolis/cli/metroctl/test/test.go
index 7b31918..f601811 100644
--- a/metropolis/cli/metroctl/test/test.go
+++ b/metropolis/cli/metroctl/test/test.go
@@ -15,9 +15,9 @@
 
 	mversion "source.monogon.dev/metropolis/version"
 
-	"source.monogon.dev/metropolis/pkg/cmd"
-	"source.monogon.dev/metropolis/test/launch/cluster"
+	mlaunch "source.monogon.dev/metropolis/test/launch"
 	"source.monogon.dev/metropolis/test/util"
+	"source.monogon.dev/osbase/cmd"
 	"source.monogon.dev/version"
 )
 
@@ -95,10 +95,10 @@
 	ctx, ctxC := context.WithCancel(context.Background())
 	defer ctxC()
 
-	co := cluster.ClusterOptions{
+	co := mlaunch.ClusterOptions{
 		NumNodes: 2,
 	}
-	cl, err := cluster.LaunchCluster(context.Background(), co)
+	cl, err := mlaunch.LaunchCluster(context.Background(), co)
 	if err != nil {
 		t.Fatalf("LaunchCluster failed: %v", err)
 	}
@@ -109,7 +109,7 @@
 		}
 	}()
 
-	socksRemote := fmt.Sprintf("localhost:%d", cl.Ports[cluster.SOCKSPort])
+	socksRemote := fmt.Sprintf("localhost:%d", cl.Ports[mlaunch.SOCKSPort])
 	var clusterEndpoints []string
 	// Use node starting order for endpoints
 	for _, ep := range cl.NodeIDs {
@@ -118,7 +118,7 @@
 
 	ownerPem := pem.EncodeToMemory(&pem.Block{
 		Type:  "METROPOLIS INITIAL OWNER PRIVATE KEY",
-		Bytes: cluster.InsecurePrivateKey,
+		Bytes: mlaunch.InsecurePrivateKey,
 	})
 	if err := os.WriteFile("owner-key.pem", ownerPem, 0644); err != nil {
 		log.Fatal("Couldn't write owner-key.pem")