cloud/shepherd/equinix/manager: init

This adds implementation managing Equinix Metal server lifecycle as
part of the BMaaS project.

Co-authored-by: Mateusz Zalega <mateusz@monogon.tech>
Supersedes: https://review.monogon.dev/c/monogon/+/990
Change-Id: I5537b2d07763985ad27aecac544ed19f933d6727
Reviewed-on: https://review.monogon.dev/c/monogon/+/1129
Reviewed-by: Leopold Schabel <leo@monogon.tech>
Reviewed-by: Mateusz Zalega <mateusz@monogon.tech>
Tested-by: Jenkins CI
diff --git a/cloud/shepherd/equinix/manager/test_agent/BUILD.bazel b/cloud/shepherd/equinix/manager/test_agent/BUILD.bazel
new file mode 100644
index 0000000..8f03070
--- /dev/null
+++ b/cloud/shepherd/equinix/manager/test_agent/BUILD.bazel
@@ -0,0 +1,20 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
+
+go_binary(
+    name = "test_agent",
+    embed = [":test_agent_lib"],
+    visibility = [
+        "//cloud/shepherd/equinix/manager:__pkg__",
+    ],
+)
+
+go_library(
+    name = "test_agent_lib",
+    srcs = ["main.go"],
+    importpath = "source.monogon.dev/cloud/shepherd/equinix/manager/test_agent",
+    visibility = ["//visibility:private"],
+    deps = [
+        "//cloud/agent/api",
+        "@org_golang_google_protobuf//proto",
+    ],
+)