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"""Defines a rule for syscall test targets."""
load("//tools:defs.bzl", "default_platform", "loopback", "platforms")
def _runner_test_impl(ctx):
# Generate a runner binary.
runner = ctx.actions.declare_file("%s-runner" % ctx.label.name)
runner_content = "\n".join([
"#!/bin/bash",
"set -euf -x -o pipefail",
"if [[ -n \"${TEST_UNDECLARED_OUTPUTS_DIR}\" ]]; then",
" mkdir -p \"${TEST_UNDECLARED_OUTPUTS_DIR}\"",
" chmod a+rwx \"${TEST_UNDECLARED_OUTPUTS_DIR}\"",
"fi",
"exec %s %s %s\n" % (
ctx.files.runner[0].short_path,
" ".join(ctx.attr.runner_args),
ctx.files.test[0].short_path,
),
])
ctx.actions.write(runner, runner_content, is_executable = True)
# Return with all transitive files.
runfiles = ctx.runfiles(
transitive_files = depset(transitive = [
depset(target.data_runfiles.files)
for target in (ctx.attr.runner, ctx.attr.test)
if hasattr(target, "data_runfiles")
]),
files = ctx.files.runner + ctx.files.test,
collect_default = True,
collect_data = True,
)
return [DefaultInfo(executable = runner, runfiles = runfiles)]
_runner_test = rule(
attrs = {
"runner": attr.label(
default = "//test/runner:runner",
),
"test": attr.label(
mandatory = True,
),
"runner_args": attr.string_list(),
"data": attr.label_list(
allow_files = True,
),
},
test = True,
implementation = _runner_test_impl,
)
def _syscall_test(
test,
shard_count,
size,
platform,
use_tmpfs,
tags,
network = "none",
file_access = "exclusive",
overlay = False,
add_uds_tree = False):
# Prepend "runsc" to non-native platform names.
full_platform = platform if platform == "native" else "runsc_" + platform
# Name the test appropriately.
name = test.split(":")[1] + "_" + full_platform
if file_access == "shared":
name += "_shared"
if overlay:
name += "_overlay"
if network != "none":
name += "_" + network + "net"
# Apply all tags.
if tags == None:
tags = []
# Add the full_platform and file access in a tag to make it easier to run
# all the tests on a specific flavor. Use --test_tag_filters=ptrace,file_shared.
tags += [full_platform, "file_" + file_access]
# Hash this target into one of 15 buckets. This can be used to
# randomly split targets between different workflows.
hash15 = hash(native.package_name() + name) % 15
tags.append("hash15:" + str(hash15))
# TODO(b/139838000): Tests using hostinet must be disabled on Guitar until
# we figure out how to request ipv4 sockets on Guitar machines.
if network == "host":
tags.append("noguitar")
# Disable off-host networking.
tags.append("requires-net:loopback")
runner_args = [
# Arguments are passed directly to runner binary.
"--platform=" + platform,
"--network=" + network,
"--use-tmpfs=" + str(use_tmpfs),
"--file-access=" + file_access,
"--overlay=" + str(overlay),
"--add-uds-tree=" + str(add_uds_tree),
]
# Call the rule above.
_runner_test(
name = name,
test = test,
runner_args = runner_args,
data = [loopback],
size = size,
tags = tags,
shard_count = shard_count,
)
def syscall_test(
test,
shard_count = 5,
size = "small",
use_tmpfs = False,
add_overlay = False,
add_uds_tree = False,
add_hostinet = False,
tags = None):
"""syscall_test is a macro that will create targets for all platforms.
Args:
test: the test target.
shard_count: shards for defined tests.
size: the defined test size.
use_tmpfs: use tmpfs in the defined tests.
add_overlay: add an overlay test.
add_uds_tree: add a UDS test.
add_hostinet: add a hostinet test.
tags: starting test tags.
"""
if not tags:
tags = []
_syscall_test(
test = test,
shard_count = shard_count,
size = size,
platform = "native",
use_tmpfs = False,
add_uds_tree = add_uds_tree,
tags = tags,
)
for (platform, platform_tags) in platforms.items():
_syscall_test(
test = test,
shard_count = shard_count,
size = size,
platform = platform,
use_tmpfs = use_tmpfs,
add_uds_tree = add_uds_tree,
tags = platform_tags + tags,
)
if add_overlay:
_syscall_test(
test = test,
shard_count = shard_count,
size = size,
platform = default_platform,
use_tmpfs = False, # overlay is adding a writable tmpfs on top of root.
add_uds_tree = add_uds_tree,
tags = platforms[default_platform] + tags,
overlay = True,
)
if not use_tmpfs:
# Also test shared gofer access.
_syscall_test(
test = test,
shard_count = shard_count,
size = size,
platform = default_platform,
use_tmpfs = use_tmpfs,
add_uds_tree = add_uds_tree,
tags = platforms[default_platform] + tags,
file_access = "shared",
)
if add_hostinet:
_syscall_test(
test = test,
shard_count = shard_count,
size = size,
platform = default_platform,
use_tmpfs = use_tmpfs,
network = "host",
add_uds_tree = add_uds_tree,
tags = platforms[default_platform] + tags,
)
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