Standardize on tools directory.

PiperOrigin-RevId: 291745021

2 files changed, 101 insertions, 0 deletions

diff --git a/tools/build/BUILD b/tools/build/BUILD
new file mode 100644
index 000000000..0c0ce3f4d
--- /dev/null
+++ b/tools/build/BUILD
@@ -0,0 +1,10 @@
+package(licenses = ["notice"])
+
+# In bazel, no special support is required for loopback networking. This is
+# just a dummy data target that does not change the test environment.
+genrule(
+    name = "loopback",
+    outs = ["loopback.txt"],
+    cmd = "touch $@",
+    visibility = ["//visibility:public"],
+)
diff --git a/tools/build/defs.bzl b/tools/build/defs.bzl
new file mode 100644
index 000000000..d0556abd1
--- /dev/null
+++ b/tools/build/defs.bzl
@@ -0,0 +1,91 @@
+"""Bazel implementations of standard rules."""
+
+load("@bazel_tools//tools/cpp:cc_flags_supplier.bzl", _cc_flags_supplier = "cc_flags_supplier")
+load("@io_bazel_rules_go//go:def.bzl", _go_binary = "go_binary", _go_embed_data = "go_embed_data", _go_library = "go_library", _go_test = "go_test", _go_tool_library = "go_tool_library")
+load("@io_bazel_rules_go//proto:def.bzl", _go_proto_library = "go_proto_library")
+load("@rules_cc//cc:defs.bzl", _cc_binary = "cc_binary", _cc_library = "cc_library", _cc_proto_library = "cc_proto_library", _cc_test = "cc_test")
+load("@rules_pkg//:pkg.bzl", _pkg_deb = "pkg_deb", _pkg_tar = "pkg_tar")
+load("@io_bazel_rules_docker//go:image.bzl", _go_image = "go_image")
+load("@io_bazel_rules_docker//container:container.bzl", _container_image = "container_image")
+load("@pydeps//:requirements.bzl", _py_requirement = "requirement")
+
+container_image = _container_image
+cc_binary = _cc_binary
+cc_library = _cc_library
+cc_flags_supplier = _cc_flags_supplier
+cc_proto_library = _cc_proto_library
+cc_test = _cc_test
+cc_toolchain = "@bazel_tools//tools/cpp:current_cc_toolchain"
+go_image = _go_image
+go_embed_data = _go_embed_data
+loopback = "//tools/build:loopback"
+proto_library = native.proto_library
+pkg_deb = _pkg_deb
+pkg_tar = _pkg_tar
+py_library = native.py_library
+py_binary = native.py_binary
+py_test = native.py_test
+
+def go_binary(name, static = False, pure = False, **kwargs):
+    if static:
+        kwargs["static"] = "on"
+    if pure:
+        kwargs["pure"] = "on"
+    _go_binary(
+        name = name,
+        **kwargs
+    )
+
+def go_library(name, **kwargs):
+    _go_library(
+        name = name,
+        importpath = "gvisor.dev/gvisor/" + native.package_name(),
+        **kwargs
+    )
+
+def go_tool_library(name, **kwargs):
+    _go_tool_library(
+        name = name,
+        importpath = "gvisor.dev/gvisor/" + native.package_name(),
+        **kwargs
+    )
+
+def go_proto_library(name, proto, **kwargs):
+    deps = kwargs.pop("deps", [])
+    _go_proto_library(
+        name = name,
+        importpath = "gvisor.dev/gvisor/" + native.package_name() + "/" + name,
+        proto = proto,
+        deps = [dep.replace("_proto", "_go_proto") for dep in deps],
+        **kwargs
+    )
+
+def go_test(name, **kwargs):
+    library = kwargs.pop("library", None)
+    if library:
+        kwargs["embed"] = [library]
+    _go_test(
+        name = name,
+        **kwargs
+    )
+
+def py_requirement(name, direct = False):
+    return _py_requirement(name)
+
+def select_arch(amd64 = "amd64", arm64 = "arm64", default = None, **kwargs):
+    values = {
+        "@bazel_tools//src/conditions:linux_x86_64": amd64,
+        "@bazel_tools//src/conditions:linux_aarch64": arm64,
+    }
+    if default:
+        values["//conditions:default"] = default
+    return select(values, **kwargs)
+
+def select_system(linux = ["__linux__"], **kwargs):
+    return linux  # Only Linux supported.
+
+def default_installer():
+    return None
+
+def default_net_util():
+    return []  # Nothing needed.