Add metallb load balancer.

platform/WORKSPACE

@@ -88,6 +88,9 @@ load("//kube-state-metrics:deps.bzl", "kube_state_metrics_dependencies")
 
 kube_state_metrics_dependencies()
 
+load("//metallb:deps.bzl", "metallb_dependencies")
+metallb_dependencies()
+
 load("//oci-tools:deps.bzl", "oci_tools_dependencies")
 
 oci_tools_dependencies()

platform/metallb/BUILD.bazel

@@ -0,0 +1,61 @@
+load("//bazel:package.bzl", "homeworld_oci")
+load("//bazel:substitute.bzl", "substitute")
+load("//python:resources.bzl", "py_resources")
+
+
+# TODO: ldflags:
+# -X go.universe.tf/metallb/internal/version.gitCommit={commit}
+# -X go.universe.tf/metallb/internal/version.gitBranch={branch}
+
+homeworld_oci(
+    name = "controller",
+    bin = {
+        "@tf_universe_go_metallb//controller": "/usr/bin/controller",
+    },
+    deps = [
+        "//debian:debian-micro.tgz",
+    ],
+    exec = ["/usr/bin/controller"],
+    visibility = ["//visibility:public"],
+)
+
+homeworld_oci(
+    name = "speaker",
+    bin = {
+        "@tf_universe_go_metallb//speaker": "/usr/bin/speaker",
+    },
+    deps = [
+        "//debian:debian-micro.tgz",
+    ],
+    exec = ["/usr/bin/speaker"],
+    visibility = ["//visibility:public"],
+)
+
+homeworld_oci(
+    name = "mirror",
+    bin = {
+        "@tf_universe_go_metallb//e2etest-mirror-server": "/usr/bin/mirror",
+    },
+    deps = [
+        "//debian:debian-micro.tgz",
+    ],
+    exec = ["/usr/bin/mirror"],
+    visibility = ["//visibility:public"],
+)
+
+substitute(
+    name = "kubernetes.yaml",
+    template = ":kubernetes.yaml.in",
+    kfs = {
+        "controller_digest": ":controller.ocidigest",
+        "speaker_digest": ":speaker.ocidigest",
+        "mirror_digest": ":mirror.ocidigest",
+    },
+    visibility = ["//visibility:public"],
+)
+
+py_resources(
+    name = "kubelib",
+    data = [":kubernetes.yaml"],
+    visibility = ["//visibility:public"],
+)

platform/metallb/deps.bzl

@@ -0,0 +1,68 @@
+load("@bazel_gazelle//:deps.bzl", "go_repository")
+
+def metallb_dependencies():
+    go_repository(
+        name = "tf_universe_go_metallb",
+        commit = "15d9ed5cce53b457a955f894aa58e7f4856f73d5", # v0.8.3
+        importpath = "go.universe.tf/metallb",
+    )
+
+    go_repository(
+        name = "com_github_go_kit_kit",
+        commit = "150a65a7ec6156b4b640c1fd55f26fd3d475d656", # v0.9.0
+        importpath = "github.com/go-kit/kit",
+    )
+
+    go_repository(
+        name = "com_github_go_logfmt_logfmt",
+        commit = "390ab7935ee28ec6b286364bba9b4dd6410cb3d5", # v0.3.0
+        importpath = "github.com/go-logfmt/logfmt",
+    )
+
+    go_repository(
+        name = "com_github_golang_groupcache",
+        commit = "02826c3e79038b59d737d3b1c0a1d937f71a4433",
+        importpath = "github.com/golang/groupcache",
+    )
+
+    go_repository(
+        name = "com_github_hashicorp_golang_lru",
+        commit = "20f1fb78b0740ba8c3cb143a61e86ba5c8669768", # v0.5.0
+        importpath = "github.com/hashicorp/golang-lru",
+    )
+
+    go_repository(
+        name = "com_github_mdlayher_arp",
+        commit = "98a83c8a27177c5179d02d41ad50b0cce8e59338",
+        importpath = "github.com/mdlayher/arp",
+    )
+
+    go_repository(
+        name = "com_github_mdlayher_ethernet",
+        commit = "0394541c37b7f86a10e0b49492f6d4f605c34163",
+        importpath = "github.com/mdlayher/ethernet",
+    )
+
+    go_repository(
+        name = "com_github_mdlayher_ndp",
+        commit = "012988d57f9ae7e329f16ec2a86b37c771cb57e8",
+        importpath = "github.com/mdlayher/ndp",
+    )
+
+    go_repository(
+        name = "com_github_mdlayher_raw",
+        commit = "fef19f00fc18511f735e13972bc53266d5a53f8c",
+        importpath = "github.com/mdlayher/raw",
+    )
+
+    go_repository(
+        name = "com_github_mikioh_ipaddr",
+        commit = "d465c8ab672111787b24b8f03326449059a4aa33",
+        importpath = "github.com/mikioh/ipaddr",
+    )
+
+    go_repository(
+        name = "com_gitlab_golang_commonmark_puny",
+        commit = "2cd490539afe7c6fc0eda6c59ef88fa93a00ea0d",
+        importpath = "gitlab.com/golang-commonmark/puny",
+    )