# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import contextlib
import functools
import importlib
import inspect
import logging
import os
import pathlib
import re
import shlex
import shutil
import subprocess
import sys
import tarfile
import tempfile
import zipfile
from collections
import defaultdict
from datetime
import date, datetime, timedelta
from io
import StringIO
from pathlib
import Path
import requests
from redo
import retry
from requests.packages.urllib3.util.retry
import Retry
RETRY_SLEEP =
10
API_ROOT =
"https://firefox-ci-tc.services.mozilla.com/api/index/v1"
MULTI_REVISION_ROOT = f
"{API_ROOT}/namespaces"
MULTI_TASK_ROOT = f
"{API_ROOT}/tasks"
ON_TRY =
"MOZ_AUTOMATION" in os.environ
DOWNLOAD_TIMEOUT =
30
PERF_METRICS_MATCHER = re.compile(r
"(perfMetrics.*)")
EVAL_DATA_MATCHER = re.compile(r
"(evalDataPayload.*)")
PRETTY_APP_NAMES = {
"org.mozilla.fenix":
"fenix",
"org.mozilla.firefox":
"fenix",
"org.mozilla.geckoview_example":
"geckoview",
}
FIREFOX_MOBILE_APPS = [
"fenix",
"geckoview",
"focus",
"refbrow",
"fennec"]
CHROME_MOBILE_APPS = [
"chrome-m"]
MOBILE_APPS = FIREFOX_MOBILE_APPS + CHROME_MOBILE_APPS
FIREFOX_DESKTOP_APPS = [
"firefox"]
CHROME_DESKTOP_APPS = [
"chrome"]
DESKTOP_APPS = FIREFOX_DESKTOP_APPS + CHROME_DESKTOP_APPS
class NoPerfMetricsError(Exception):
"""Raised when perfMetrics were not found, or were not output
during a test run.
"""
def __init__(self, flavor):
super().__init__(
f
"No perftest results were found in the {flavor} test. Results must be "
'reported using:\n info("perfMetrics", { metricName: metricValue });'
)
class NoEvalDataError(Exception):
"""Raised when evalDataPayload was not found, or were not output
during a test run.
"""
def __init__(self, flavor):
super().__init__(
f
"No eval data was found in the {flavor} test. Results must be "
'reported using:\n info("evalDataPayload", { evalData: evalValue });'
)
class LogProcessor:
def __init__(self, matcher):
self.buf =
""
self.stdout = sys.__stdout__
self.matcher = matcher
self._match = []
@property
def match(self):
return self._match
def write(self, buf):
while buf:
try:
newline_index = buf.index(
"\n")
except ValueError:
# No newline, wait for next call
self.buf += buf
break
# Get data up to next newline and combine with previously buffered data
data = self.buf + buf[: newline_index +
1]
buf = buf[newline_index +
1 :]
# Reset buffer then output line
self.buf =
""
if data.strip() ==
"":
continue
self.stdout.write(data.strip(
"\n") +
"\n")
match = self.matcher.search(data)
if match:
self._match.append(match.group(
1))
def flush(self):
pass
@contextlib.contextmanager
def silence(layer=
None):
if layer
is None:
to_patch = (MachLogger,)
else:
to_patch = (MachLogger, layer)
meths = (
"info",
"debug",
"warning",
"error",
"log")
patched = defaultdict(dict)
oldout, olderr = sys.stdout, sys.stderr
sys.stdout, sys.stderr = StringIO(), StringIO()
def _vacuum(*args, **kw):
sys.stdout.write(str(args))
for obj
in to_patch:
for meth
in meths:
if not hasattr(obj, meth):
continue
patched[obj][meth] = getattr(obj, meth)
setattr(obj, meth, _vacuum)
stdout = stderr =
None
try:
sys.stdout.buffer = sys.stdout
sys.stderr.buffer = sys.stderr
sys.stdout.fileno = sys.stderr.fileno =
lambda: -
1
try:
yield sys.stdout, sys.stderr
except Exception:
sys.stdout.seek(
0)
stdout = sys.stdout.read()
sys.stderr.seek(
0)
stderr = sys.stderr.read()
raise
finally:
sys.stdout, sys.stderr = oldout, olderr
for obj, meths
in patched.items():
for name, old_func
in meths.items():
try:
setattr(obj, name, old_func)
except Exception:
pass
if stdout
is not None:
print(stdout)
if stderr
is not None:
print(stderr)
def simple_platform():
plat = host_platform()
if plat.startswith(
"win"):
return "win"
elif plat.startswith(
"linux"):
return "linux"
else:
return "mac"
def host_platform():
is_64bits = sys.maxsize >
2**
32
if sys.platform.startswith(
"win"):
if is_64bits:
return "win64"
elif sys.platform.startswith(
"linux"):
if is_64bits:
return "linux64"
elif sys.platform.startswith(
"darwin"):
return "darwin"
raise ValueError(f
"platform not yet supported: {sys.platform}")
class MachLogger:
"""Wrapper around the mach logger to make logging simpler."""
def __init__(self, mach_cmd):
self._logger = mach_cmd.log
@property
def log(self):
return self._logger
def info(self, msg, name=
"mozperftest", **kwargs):
self._logger(logging.INFO, name, kwargs, msg)
def debug(self, msg, name=
"mozperftest", **kwargs):
self._logger(logging.DEBUG, name, kwargs, msg)
def warning(self, msg, name=
"mozperftest", **kwargs):
self._logger(logging.WARNING, name, kwargs, msg)
def error(self, msg, name=
"mozperftest", **kwargs):
self._logger(logging.ERROR, name, kwargs, msg)
def group_start(self, msg=
None, name=
"mozperftest", **kwargs):
self._logger(logging.INFO, name, kwargs, msg
or "")
def group_end(self, msg=
None, name=
"mozperftest", **kwargs):
self._logger(logging.INFO, name, kwargs, msg
or "")
def install_package(virtualenv_manager, package, ignore_failure=
False):
"""Installs a package using the virtualenv manager.
Makes sure the package
is really installed when the user already has it
in their local installation.
Returns
True on success,
or re-
raise the error.
If ignore_failure
is set to
True, ignore the error
and return False
"""
from pip._internal.req.constructors
import install_req_from_line
# Ensure that we are looking in the right places for packages. This
# is required in CI because pip installs in an area that is not in
# the search path.
venv_site_lib = str(Path(virtualenv_manager.bin_path,
"..",
"lib").resolve())
venv_site_packages = str(
Path(
venv_site_lib,
f
"python{sys.version_info.major}.{sys.version_info.minor}",
"site-packages",
)
)
if venv_site_packages
not in sys.path
and ON_TRY:
sys.path.insert(
0, venv_site_packages)
req = install_req_from_line(package)
req.check_if_exists(use_user_site=
False)
# already installed, check if it's in our venv
if req.satisfied_by
is not None:
site_packages = os.path.abspath(req.satisfied_by.location)
if site_packages.startswith(venv_site_lib):
# already installed in this venv, we can skip
return True
with silence():
try:
subprocess.check_call([
virtualenv_manager.python_path,
"-m",
"pip",
"install",
package,
])
return True
except Exception:
if not ignore_failure:
raise
return False
def install_requirements_file(
virtualenv_manager, requirements_file, ignore_failure=
False
):
"""Installs a package using the virtualenv manager.
Makes sure the package
is really installed when the user already has it
in their local installation.
Returns
True on success,
or re-
raise the error.
If ignore_failure
is set to
True, ignore the error
and return False
"""
# Ensure that we are looking in the right places for packages. This
# is required in CI because pip installs in an area that is not in
# the search path.
venv_site_lib = str(Path(virtualenv_manager.bin_path,
"..",
"lib").resolve())
venv_site_packages = Path(
venv_site_lib,
f
"python{sys.version_info.major}.{sys.version_info.minor}",
"site-packages",
)
if not venv_site_packages.exists():
venv_site_packages = Path(
venv_site_lib,
"site-packages",
)
venv_site_packages = str(venv_site_packages)
if venv_site_packages
not in sys.path
and ON_TRY:
sys.path.insert(
0, venv_site_packages)
with silence():
cwd = os.getcwd()
try:
os.chdir(Path(requirements_file).parent)
subprocess.check_call([
virtualenv_manager.python_path,
"-m",
"pip",
"install",
"-r",
requirements_file,
"--no-index",
"--find-links",
"https://pypi.pub.build.mozilla.org/pub/",
])
return True
except Exception:
if not ignore_failure:
raise
finally:
os.chdir(cwd)
return False
# on try, we create tests packages where tests, like
# xpcshell tests, don't have the same path.
# see - python/mozbuild/mozbuild/action/test_archive.py
# this mapping will map paths when running there.
# The key is the source path, and the value the ci path
_TRY_MAPPING = {
Path(
"accessible"): Path(
"mochitest",
"browser",
"accessible"),
Path(
"browser"): Path(
"mochitest",
"browser",
"browser"),
Path(
"netwerk"): Path(
"xpcshell",
"tests",
"netwerk"),
Path(
"dom"): Path(
"mochitest",
"tests",
"dom"),
Path(
"toolkit"): Path(
"mochitest",
"browser",
"toolkit"),
}
def build_test_list(tests):
"""Collects tests given a list of directories, files and URLs.
Returns a tuple containing the list of tests found
and a temp dir
for tests
that were downloaded
from an URL.
"""
temp_dir =
None
if isinstance(tests, str):
tests = [tests]
res = []
for test
in tests:
if test.isdigit():
res.append(str(test))
continue
if test.startswith(
"http"):
if temp_dir
is None:
temp_dir = tempfile.mkdtemp()
target = Path(temp_dir, test.split(
"/")[-
1])
download_file(test, target)
res.append(str(target))
continue
p_test = Path(test)
if ON_TRY
and not p_test.resolve().exists():
# until we have pathlib.Path.is_relative_to() (3.9)
for src_path, ci_path
in _TRY_MAPPING.items():
src_path, ci_path = str(src_path), str(ci_path)
# noqa
if test.startswith(src_path):
p_test = Path(test.replace(src_path, ci_path,
1))
break
resolved_test = p_test.resolve()
if resolved_test.is_file():
res.append(str(resolved_test))
elif resolved_test.is_dir():
for file
in resolved_test.rglob(
"perftest_*.js"):
res.append(str(file))
for file
in resolved_test.rglob(
"eval_*.js"):
res.append(str(file))
else:
raise FileNotFoundError(str(resolved_test))
res.sort()
return res, temp_dir
def download_file(url, target, retry_sleep=RETRY_SLEEP, attempts=
3):
"""Downloads a file, given an URL in the target path.
The function will attempt several times on failures.
"""
def _download_file(url, target):
req = requests.get(url, stream=
True, timeout=
30)
target_dir = target.parent.resolve()
if str(target_dir) !=
"":
target_dir.mkdir(exist_ok=
True)
with target.open(
"wb")
as f:
for chunk
in req.iter_content(chunk_size=
1024):
if not chunk:
continue
f.write(chunk)
f.flush()
return target
return retry(
_download_file,
args=(url, target),
attempts=attempts,
sleeptime=retry_sleep,
jitter=
0,
)
@contextlib.contextmanager
def temporary_env(**env):
old = {}
for key, value
in env.items():
old[key] = os.environ.get(key)
if value
is None and key
in os.environ:
del os.environ[key]
elif value
is not None:
os.environ[key] = value
try:
yield
finally:
for key, value
in old.items():
if value
is None and key
in os.environ:
del os.environ[key]
elif value
is not None:
os.environ[key] = value
def convert_day(day):
if day
in (
"yesterday",
"today"):
curr = date.today()
if day ==
"yesterday":
curr = curr - timedelta(
1)
day = curr.strftime(
"%Y.%m.%d")
else:
# verify that the user provided string is in the expected format
# if it can't parse it, it'll raise a value error
datetime.strptime(day,
"%Y.%m.%d")
return day
def get_revision_namespace_url(route, day=
"yesterday"):
"""Builds a URL to obtain all the namespaces of a given build route for a single day."""
day = convert_day(day)
return f
"""{MULTI_REVISION_ROOT}/{route}.{day}.revision"""
def get_multi_tasks_url(route, revision, day=
"yesterday"):
"""Builds a URL to obtain all the tasks of a given build route for a single day.
If previous
is true, then we get builds
from the previous day,
otherwise, we look at the current day.
"""
day = convert_day(day)
return f
"""{MULTI_TASK_ROOT}/{route}.{day}.revision.{revision}"""
def strtobool(val):
if isinstance(val, (bool, int)):
return bool(val)
if not isinstance(bool, str):
raise ValueError(val)
val = val.lower()
if val
in (
"y",
"yes",
"t",
"true",
"on",
"1"):
return 1
elif val
in (
"n",
"no",
"f",
"false",
"off",
"0"):
return 0
else:
raise ValueError(f
"invalid truth value {val!r}")
@contextlib.contextmanager
def temp_dir():
tempdir = tempfile.mkdtemp()
try:
yield tempdir
finally:
shutil.rmtree(tempdir)
def load_class(path):
"""Loads a class given its path and returns it.
The path
is a string of the form `package.module:
class` that points
to the
class to be imported.
If if can
't find it, or if the path is malformed,
an ImportError
is raised.
"""
if ":" not in path:
raise ImportError(f
"Malformed path '{path}'")
elmts = path.split(
":")
if len(elmts) !=
2:
raise ImportError(f
"Malformed path '{path}'")
mod_name, klass_name = elmts
try:
mod = importlib.import_module(mod_name)
except ModuleNotFoundError:
raise ImportError(f
"Can't find '{mod_name}'")
try:
klass = getattr(mod, klass_name)
except AttributeError:
raise ImportError(f
"Can't find '{klass_name}' in '{mod_name}'")
return klass
def load_class_from_path(klass_name, path):
"""This function returns a Transformer class with the given path.
:param str path: The path points to the custom transformer.
:param bool ret_members:
If true then
return inspect.getmembers().
:
return Transformer
if not ret_members
else inspect.getmembers().
"""
file = pathlib.Path(path)
if not file.exists():
raise ImportError(f
"The class path {path} does not exist.")
# Importing a source file directly
spec = importlib.util.spec_from_file_location(name=file.name, location=path)
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
members = inspect.getmembers(
module,
lambda c: inspect.isclass(c)
and c.__name__ == klass_name,
)
if not members:
raise ImportError(f
"The path {path} was found but it was not a valid class.")
return members[
0][-
1]
def run_script(cmd, cmd_args=
None, verbose=
False, display=
False, label=
None):
"""Used to run a command in a subprocess."""
if isinstance(cmd, str):
cmd = shlex.split(cmd)
try:
joiner = shlex.join
except AttributeError:
# Python < 3.8
joiner = subprocess.list2cmdline
if label
is None:
label = joiner(cmd)
sys.stdout.write(f
"=> {label} ")
if cmd_args
is None:
args = cmd
else:
args = cmd + list(cmd_args)
sys.stdout.flush()
try:
if verbose:
sys.stdout.write(f
"\nRunning {' '.join(args)}\n")
sys.stdout.flush()
output = subprocess.check_output(args)
if display:
sys.stdout.write(
"\n")
for line
in output.split(b
"\n"):
sys.stdout.write(line.decode(
"utf8") +
"\n")
sys.stdout.write(
"[OK]\n")
sys.stdout.flush()
return True, output
except subprocess.CalledProcessError
as e:
for line
in e.output.split(b
"\n"):
sys.stdout.write(line.decode(
"utf8") +
"\n")
sys.stdout.write(
"[FAILED]\n")
sys.stdout.flush()
return False, e
def run_python_script(
virtualenv_manager,
module,
module_args=
None,
verbose=
False,
display=
False,
label=
None,
):
"""Used to run a Python script in isolation."""
if label
is None:
label = module
cmd = [virtualenv_manager.python_path,
"-m", module]
return run_script(cmd, module_args, verbose=verbose, display=display, label=label)
def checkout_script(cmd, cmd_args=
None, verbose=
False, display=
False, label=
None):
return run_script(cmd, cmd_args, verbose, display, label)[
0]
def checkout_python_script(
virtualenv_manager,
module,
module_args=
None,
verbose=
False,
display=
False,
label=
None,
):
return run_python_script(
virtualenv_manager, module, module_args, verbose, display, label
)[
0]
_URL = (
"{0}/secrets/v1/secret/project"
"{1}releng{1}gecko{1}build{1}level-{2}{1}conditioned-profiles"
)
_WPT_URL =
"{0}/secrets/v1/secret/project/perftest/gecko/level-{1}/perftest-login"
_DEFAULT_SERVER =
"https://firefox-ci-tc.services.mozilla.com"
@functools.cache
def get_tc_secret(wpt=
False):
"""Returns the Taskcluster secret.
Raises an OSError when
not running on
try
"""
if not ON_TRY:
raise OSError(
"Not running in Taskcluster")
session = requests.Session()
retry = Retry(total=
5, backoff_factor=
0.
1, status_forcelist=[
500,
502,
503,
504])
http_adapter = requests.adapters.HTTPAdapter(max_retries=retry)
session.mount(
"https://", http_adapter)
session.mount(
"http://", http_adapter)
secrets_url = _URL.format(
os.environ.get(
"TASKCLUSTER_PROXY_URL", _DEFAULT_SERVER),
"%2F",
os.environ.get(
"MOZ_SCM_LEVEL",
"1"),
)
if wpt:
secrets_url = _WPT_URL.format(
os.environ.get(
"TASKCLUSTER_PROXY_URL", _DEFAULT_SERVER),
os.environ.get(
"MOZ_SCM_LEVEL",
"1"),
)
res = session.get(secrets_url, timeout=DOWNLOAD_TIMEOUT)
res.raise_for_status()
return res.json()[
"secret"]
def get_output_dir(output, folder=
None):
if output
is None:
raise Exception(
"Output path was not provided.")
result_dir = Path(output)
if folder
is not None:
result_dir = Path(result_dir, folder)
result_dir.mkdir(parents=
True, exist_ok=
True)
result_dir = result_dir.resolve()
return result_dir
def create_path(path):
if path.exists():
return path
else:
create_path(path.parent)
path.mkdir(exist_ok=
True)
return path
def get_pretty_app_name(app):
# XXX See bug 1712337, we need a singluar point of entry
# for the binary to allow us to get the version/app info
# so that we can get a pretty name on desktop.
return PRETTY_APP_NAMES[app]
def archive_folder(folder_to_archive, output_path, archive_name=
None):
"""Archives the specified folder into a tar.gz file."""
if not archive_name:
archive_name = folder_to_archive.name
full_archive_path = output_path / (archive_name +
".tgz")
with tarfile.open(str(full_archive_path),
"w:gz")
as tar:
tar.add(folder_to_archive, arcname=archive_name)
return full_archive_path
def archive_files(
files, output_dir, archive_name, prefix=
"", sort_key=
None, base_dir=
None
):
"""Archives individual files into a zip file, with optional append mode.
Args:
files: List of Path objects to archive
output_dir: Path object - directory where the archive should be created
archive_name: Name
for the archive
prefix: Optional subdirectory within the archive
for files (ignored
if base_dir
is set)
sort_key: Optional sorting key function
for ordering files
base_dir: Optional base directory to compute relative paths
from
Returns:
Path to the archive
if created/updated,
None otherwise
"""
output_dir.mkdir(parents=
True, exist_ok=
True)
archive_path = output_dir / f
"{archive_name}.zip"
mode =
"a" if archive_path.exists()
else "w"
sorted_files = sorted(files, key=sort_key)
if sort_key
else files
with zipfile.ZipFile(archive_path, mode, compression=zipfile.ZIP_DEFLATED)
as zf:
for file_path
in sorted_files:
if base_dir:
archive_name = str(file_path.relative_to(base_dir))
elif prefix:
archive_name = f
"{prefix}/{file_path.name}"
else:
archive_name = file_path.name
print(f
"Adding {archive_name} to archive")
zf.write(file_path, arcname=archive_name)
return archive_path
def extract_tgz_and_find_files(output_dir, tgz_name, patterns):
"""Extract TGZ file if on CI and find files matching patterns.
Args:
output_dir: Path object - directory where files are located
or where TGZ should be extracted
tgz_name: Name of the TGZ file (without extension)
patterns: List of patterns
for file extensions (e.g., [
"*.data",
"*.json.gz"])
Returns:
Tuple of (files, search_dir, work_dir) where:
- files: list of found file paths
- search_dir: base directory where files were found (
for relative path computation)
- work_dir: temp directory to clean up (
or None if not on CI)
"""
work_dir =
None
search_dir = output_dir
if ON_TRY:
tgz_path = output_dir / f
"{tgz_name}.tgz"
if tgz_path.exists():
work_dir = Path(tempfile.mkdtemp())
with tarfile.open(tgz_path,
"r:gz")
as tar:
tar.extractall(path=work_dir)
search_dir = work_dir
found_files = []
for pattern
in patterns:
found_files.extend(search_dir.rglob(pattern))
valid_files = [f
for f
in found_files
if f.is_file()]
return (valid_files, search_dir, work_dir)
def get_adb_device_or_emu(verbose=
False):
from mozdevice
import ADBDeviceFactory, ADBError
try:
return ADBDeviceFactory(verbose=verbose)
except Exception
as e:
if "No ready devices found." not in str(e):
raise e
from mozbuild.base
import MozbuildObject
from mozrunner.devices.android_device
import AndroidEmulator
try:
build_obj = MozbuildObject.from_environment()
substs = build_obj.substs
except Exception:
substs =
None
emulator = AndroidEmulator(
"*", substs=substs, verbose=
True)
if emulator.is_available():
try:
response = input(
"No Android devices connected. Start an emulator? (Y/n) "
).strip()
except EOFError:
raise EOFError(
"Could not get input on non-interective output")
if response.lower().startswith(
"y")
or response ==
"":
if not emulator.check_avd():
print(
"Android AVD not found, please run |mach bootstrap|")
raise ADBError(
"No ready devices found.")
print(f
"Starting emulator running {emulator.get_avd_description()}...")
emulator.start()
emulator.wait_for_start()
return ADBDeviceFactory(verbose=
True)
else:
raise ADBError(
"No emulator started and android device not found")