root: move metropolis-specific tools to metropolis/, rename launch-multi2 to launch-cluster

Since we now have more than one top-level project it makes sense to not
have metropolis aliases in the root.

We also drive-by rename launch-multi2 to launch-cluster and bump it up
to three nodes.

Change-Id: Ic99065465006e0dace05bcc1f2a702d430014b84
Reviewed-on: https://review.monogon.dev/c/monogon/+/2764
Tested-by: Jenkins CI
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/metropolis/test/launch/cli/launch-cluster/BUILD.bazel b/metropolis/test/launch/cli/launch-cluster/BUILD.bazel
new file mode 100644
index 0000000..974258a
--- /dev/null
+++ b/metropolis/test/launch/cli/launch-cluster/BUILD.bazel
@@ -0,0 +1,33 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
+load("@bazel_skylib//rules:native_binary.bzl", "native_test")
+
+go_library(
+    name = "launch-cluster_lib",
+    srcs = ["main.go"],
+    importpath = "source.monogon.dev/metropolis/test/launch/cli/launch-cluster",
+    visibility = ["//visibility:private"],
+    deps = [
+        "//metropolis/cli/metroctl/core",
+        "//metropolis/cli/pkg/context",
+        "//metropolis/test/launch/cluster",
+    ],
+)
+
+go_binary(
+    name = "launch-cluster_bin",
+    data = [
+        "//metropolis/cli/metroctl",
+    ],
+    embed = [":launch-cluster_lib"],
+    visibility = ["//:__pkg__"],
+)
+
+# Wrap the binary in a native_test so that we can run it with the
+# `bazel test` command inside the sandbox.
+native_test(
+    name = "launch-cluster",
+    src = ":launch-cluster_bin",
+    out = "launch",
+    tags = ["manual"],
+    visibility = ["//visibility:public"],
+)