metropolis: stub out log service

The server side and client-side implementations are not quite ready yet,
but we're commiting this early so that we can start implementing more
node-local management RPCs.

Change-Id: I81b615b0f77dc7750cc738d60ee4923c3182721b
Reviewed-on: https://review.monogon.dev/c/monogon/+/1429
Tested-by: Jenkins CI
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
diff --git a/metropolis/cli/metroctl/BUILD.bazel b/metropolis/cli/metroctl/BUILD.bazel
index b2000fb..73a0a6e 100644
--- a/metropolis/cli/metroctl/BUILD.bazel
+++ b/metropolis/cli/metroctl/BUILD.bazel
@@ -7,6 +7,7 @@
         "cmd_k8scredplugin.go",
         "cmd_node.go",
         "cmd_node_approve.go",
+        "cmd_node_logs.go",
         "cmd_node_set.go",
         "cmd_takeownership.go",
         "main.go",
@@ -29,6 +30,7 @@
         "//metropolis/node",
         "//metropolis/node/core/identity",
         "//metropolis/node/core/rpc",
+        "//metropolis/pkg/logtree",
         "//metropolis/proto/api",
         "@com_github_adrg_xdg//:xdg",
         "@com_github_spf13_cobra//:cobra",