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"""Defines a rule for syscall test targets."""
load("//tools:defs.bzl", "default_platform", "platforms")
def _runner_test_impl(ctx):
# Generate a runner binary.
runner = ctx.actions.declare_file(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 = [
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,
platform,
use_tmpfs,
tags,
debug,
network = "none",
file_access = "exclusive",
overlay = False,
add_uds_tree = False,
vfs2 = False,
fuse = False,
**kwargs):
# 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 vfs2:
name += "_vfs2"
if fuse:
name += "_fuse"
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 = list(tags)
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))
tags.append("hash15")
# Disable off-host networking.
tags.append("requires-net:loopback")
tags.append("requires-net:ipv4")
tags.append("block-network")
# gotsan makes sense only if tests are running in gVisor.
if platform == "native":
tags.append("nogotsan")
container = "container" in tags
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),
"--vfs2=" + str(vfs2),
"--fuse=" + str(fuse),
"--strace=" + str(debug),
"--debug=" + str(debug),
"--container=" + str(container),
]
# Call the rule above.
_runner_test(
name = name,
test = test,
runner_args = runner_args,
tags = tags,
**kwargs
)
def syscall_test(
test,
use_tmpfs = False,
add_overlay = False,
add_uds_tree = False,
add_hostinet = False,
vfs1 = True,
vfs2 = True,
fuse = False,
debug = True,
tags = None,
**kwargs):
"""syscall_test is a macro that will create targets for all platforms.
Args:
test: the test target.
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.
vfs1: enable VFS1 tests. Could be false only if vfs2 is true.
vfs2: enable VFS2 support.
fuse: enable FUSE support.
debug: enable debug output.
tags: starting test tags.
**kwargs: additional test arguments.
"""
if not tags:
tags = []
if vfs2 and vfs1 and not fuse:
# Generate a vfs1 plain test. Most testing will now be
# biased towards vfs2, with only a single vfs1 case.
_syscall_test(
test = test,
platform = default_platform,
use_tmpfs = use_tmpfs,
add_uds_tree = add_uds_tree,
tags = tags + platforms[default_platform],
debug = debug,
vfs2 = False,
**kwargs
)
if vfs1 and not fuse:
# Generate a native test if fuse is not required.
_syscall_test(
test = test,
platform = "native",
use_tmpfs = False,
add_uds_tree = add_uds_tree,
tags = tags,
debug = debug,
**kwargs
)
for (platform, platform_tags) in platforms.items():
_syscall_test(
test = test,
platform = platform,
use_tmpfs = use_tmpfs,
add_uds_tree = add_uds_tree,
tags = platform_tags + tags,
fuse = fuse,
vfs2 = vfs2,
debug = debug,
**kwargs
)
if add_overlay:
_syscall_test(
test = test,
platform = default_platform,
use_tmpfs = use_tmpfs,
add_uds_tree = add_uds_tree,
tags = platforms[default_platform] + tags,
debug = debug,
fuse = fuse,
vfs2 = vfs2,
overlay = True,
**kwargs
)
if add_hostinet:
_syscall_test(
test = test,
platform = default_platform,
use_tmpfs = use_tmpfs,
network = "host",
add_uds_tree = add_uds_tree,
tags = platforms[default_platform] + tags,
debug = debug,
fuse = fuse,
vfs2 = vfs2,
**kwargs
)
if not use_tmpfs:
# Also test shared gofer access.
_syscall_test(
test = test,
platform = default_platform,
use_tmpfs = use_tmpfs,
add_uds_tree = add_uds_tree,
tags = platforms[default_platform] + tags,
debug = debug,
file_access = "shared",
fuse = fuse,
vfs2 = vfs2,
**kwargs
)
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