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mongodb/bazel/platforms/local_config_platform.bzl
Andrew Bradshaw 3220129aea SERVER-91979 Upgrade to Bazel 7.2 (#28749)
GitOrigin-RevId: 9139373c72c251a5474d080cbccba8ef221e1386
2024-11-01 21:08:36 +00:00

125 lines
4.1 KiB
Python

load("//bazel/platforms:remote_execution_containers.bzl", "REMOTE_EXECUTION_CONTAINERS")
load("//bazel/toolchains:mongo_toolchain_version.bzl", "TOOLCHAIN_MAP")
load("//bazel:utils.bzl", "get_host_distro_major_version")
_OS_MAP = {
"macos": "@platforms//os:osx",
"linux": "@platforms//os:linux",
"windows": "@platforms//os:windows",
}
_ARCH_MAP = {
"amd64": "@platforms//cpu:x86_64",
"aarch64": "@platforms//cpu:arm64",
"x86_64": "@platforms//cpu:x86_64",
"ppc64le": "@platforms//cpu:ppc",
"s390x": "@platforms//cpu:s390x",
}
def _setup_local_config_platform(ctx):
"""
Generates our own local_config_platform, overriding bazel's built in generation.
This allows is to setup the exec_properties on this platform so a user can use remote execution
without need to specify a specific platform.
"""
if "win" in ctx.os.name:
os = "windows"
elif "mac" in ctx.os.name:
os = "macos"
else:
os = "linux"
arch = ctx.os.arch
os_constraint = _OS_MAP[os]
arch_constraint = _ARCH_MAP[arch]
constraints = [os_constraint, arch_constraint]
# So Starlark doesn't throw an indentation error when this gets injected.
constraints_str = ",\n ".join(['"%s"' % c for c in constraints])
distro = get_host_distro_major_version(ctx)
if arch == "x86_64":
arch = "amd64"
elif arch == "aarch64":
arch = "arm64"
# EngFlow's "default" pool is ARM64
remote_execution_pool = "x86_64" if arch == "amd64" else "default"
result = None
toolchain_key = "{distro}_{arch}".format(distro = distro, arch = arch)
if ctx.os.environ.get("USE_NATIVE_TOOLCHAIN"):
exec_props = ""
result = {"USE_NATIVE_TOOLCHAIN": "1"}
elif distro != None and distro in REMOTE_EXECUTION_CONTAINERS:
constraints_str += ',\n "@//bazel/platforms:use_mongo_toolchain"'
container_url = REMOTE_EXECUTION_CONTAINERS[distro]["container-url"]
web_url = REMOTE_EXECUTION_CONTAINERS[distro]["web-url"]
dockerfile = REMOTE_EXECUTION_CONTAINERS[distro]["dockerfile"]
print("Local host platform is configured to use this container if doing remote execution: {} built from {}".format(web_url, dockerfile))
exec_props = """
exec_properties = {
"container-image": "%s",
"dockerNetwork": "standard",
"Pool": "%s",
},
""" % (container_url, remote_execution_pool)
result = {"DISTRO": distro}
elif distro != None and distro in TOOLCHAIN_MAP:
constraints_str += ',\n "@//bazel/platforms:use_mongo_toolchain"'
result = {"DISTRO": distro}
exec_props = ""
else:
result = {"USE_NATIVE_TOOLCHAIN": "1"}
exec_props = ""
platform_constraints_str = constraints_str
substitutions = {
"{constraints}": constraints_str,
"{platform_constraints}": platform_constraints_str,
"{exec_props}": exec_props,
}
ctx.template(
"host/BUILD.bazel",
ctx.attr.build_tpl,
substitutions = substitutions,
)
ctx.template(
"host/constraints.bzl",
ctx.attr.constraints_tpl,
substitutions = substitutions,
)
ctx.template(
"host/extension.bzl",
ctx.attr.extension_tpl,
substitutions = substitutions,
)
return None
setup_local_config_platform = repository_rule(
implementation = _setup_local_config_platform,
attrs = {
"build_tpl": attr.label(
default = "//bazel/platforms:local_config_platform.BUILD",
doc = "Template modeling the builtin local config platform build file.",
),
"constraints_tpl": attr.label(
default = "//bazel/platforms:local_config_platform_constraints.bzl",
doc = "Template modeling the builtin local config platform constraints file.",
),
"extension_tpl": attr.label(
default = "//bazel/platforms:local_config_platform_extension.bzl",
doc = "Template modeling the builtin local config platform constraints file.",
),
},
environ = ["USE_NATIVE_TOOLCHAIN"],
)