c72ac9b230
* Add unified git diff parser.
* Add metadata and diff handling.
* Add test confidence/verification to bot output.
(cherry picked from commit 869449e288
)
498 lines
13 KiB
Python
498 lines
13 KiB
Python
"""Miscellaneous utility functions and classes."""
|
|
|
|
from __future__ import absolute_import, print_function
|
|
|
|
import errno
|
|
import os
|
|
import pipes
|
|
import shutil
|
|
import subprocess
|
|
import sys
|
|
import time
|
|
|
|
|
|
def is_shippable():
|
|
"""
|
|
:rtype: bool
|
|
"""
|
|
return os.environ.get('SHIPPABLE') == 'true'
|
|
|
|
|
|
def remove_file(path):
|
|
"""
|
|
:type path: str
|
|
"""
|
|
if os.path.isfile(path):
|
|
os.remove(path)
|
|
|
|
|
|
def find_executable(executable, cwd=None, path=None, required=True):
|
|
"""
|
|
:type executable: str
|
|
:type cwd: str
|
|
:type path: str
|
|
:type required: bool | str
|
|
:rtype: str | None
|
|
"""
|
|
match = None
|
|
real_cwd = os.getcwd()
|
|
|
|
if not cwd:
|
|
cwd = real_cwd
|
|
|
|
if os.path.dirname(executable):
|
|
target = os.path.join(cwd, executable)
|
|
if os.path.exists(target) and os.access(target, os.F_OK | os.X_OK):
|
|
match = executable
|
|
else:
|
|
if path is None:
|
|
path = os.environ.get('PATH', os.defpath)
|
|
|
|
if path:
|
|
path_dirs = path.split(os.pathsep)
|
|
seen_dirs = set()
|
|
|
|
for path_dir in path_dirs:
|
|
if path_dir in seen_dirs:
|
|
continue
|
|
|
|
seen_dirs.add(path_dir)
|
|
|
|
if os.path.abspath(path_dir) == real_cwd:
|
|
path_dir = cwd
|
|
|
|
candidate = os.path.join(path_dir, executable)
|
|
|
|
if os.path.exists(candidate) and os.access(candidate, os.F_OK | os.X_OK):
|
|
match = candidate
|
|
break
|
|
|
|
if not match and required:
|
|
message = 'Required program "%s" not found.' % executable
|
|
|
|
if required != 'warning':
|
|
raise ApplicationError(message)
|
|
|
|
display.warning(message)
|
|
|
|
return match
|
|
|
|
|
|
def run_command(args, cmd, capture=False, env=None, data=None, cwd=None, always=False, stdin=None, stdout=None,
|
|
cmd_verbosity=1):
|
|
"""
|
|
:type args: CommonConfig
|
|
:type cmd: collections.Iterable[str]
|
|
:type capture: bool
|
|
:type env: dict[str, str] | None
|
|
:type data: str | None
|
|
:type cwd: str | None
|
|
:type always: bool
|
|
:type stdin: file | None
|
|
:type stdout: file | None
|
|
:type cmd_verbosity: int
|
|
:rtype: str | None, str | None
|
|
"""
|
|
explain = args.explain and not always
|
|
return raw_command(cmd, capture=capture, env=env, data=data, cwd=cwd, explain=explain, stdin=stdin, stdout=stdout,
|
|
cmd_verbosity=cmd_verbosity)
|
|
|
|
|
|
def raw_command(cmd, capture=False, env=None, data=None, cwd=None, explain=False, stdin=None, stdout=None,
|
|
cmd_verbosity=1):
|
|
"""
|
|
:type cmd: collections.Iterable[str]
|
|
:type capture: bool
|
|
:type env: dict[str, str] | None
|
|
:type data: str | None
|
|
:type cwd: str | None
|
|
:type explain: bool
|
|
:type stdin: file | None
|
|
:type stdout: file | None
|
|
:type cmd_verbosity: int
|
|
:rtype: str | None, str | None
|
|
"""
|
|
if not cwd:
|
|
cwd = os.getcwd()
|
|
|
|
if not env:
|
|
env = common_environment()
|
|
|
|
cmd = list(cmd)
|
|
|
|
escaped_cmd = ' '.join(pipes.quote(c) for c in cmd)
|
|
|
|
display.info('Run command: %s' % escaped_cmd, verbosity=cmd_verbosity)
|
|
display.info('Working directory: %s' % cwd, verbosity=2)
|
|
|
|
program = find_executable(cmd[0], cwd=cwd, path=env['PATH'], required='warning')
|
|
|
|
if program:
|
|
display.info('Program found: %s' % program, verbosity=2)
|
|
|
|
for key in sorted(env.keys()):
|
|
display.info('%s=%s' % (key, env[key]), verbosity=2)
|
|
|
|
if explain:
|
|
return None, None
|
|
|
|
communicate = False
|
|
|
|
if stdin is not None:
|
|
data = None
|
|
communicate = True
|
|
elif data is not None:
|
|
stdin = subprocess.PIPE
|
|
communicate = True
|
|
|
|
if stdout:
|
|
communicate = True
|
|
|
|
if capture:
|
|
stdout = stdout or subprocess.PIPE
|
|
stderr = subprocess.PIPE
|
|
communicate = True
|
|
else:
|
|
stderr = None
|
|
|
|
start = time.time()
|
|
|
|
try:
|
|
process = subprocess.Popen(cmd, env=env, stdin=stdin, stdout=stdout, stderr=stderr, cwd=cwd)
|
|
except OSError as ex:
|
|
if ex.errno == errno.ENOENT:
|
|
raise ApplicationError('Required program "%s" not found.' % cmd[0])
|
|
raise
|
|
|
|
if communicate:
|
|
encoding = 'utf-8'
|
|
data_bytes = data.encode(encoding) if data else None
|
|
stdout_bytes, stderr_bytes = process.communicate(data_bytes)
|
|
stdout_text = stdout_bytes.decode(encoding) if stdout_bytes else u''
|
|
stderr_text = stderr_bytes.decode(encoding) if stderr_bytes else u''
|
|
else:
|
|
process.wait()
|
|
stdout_text, stderr_text = None, None
|
|
|
|
status = process.returncode
|
|
runtime = time.time() - start
|
|
|
|
display.info('Command exited with status %s after %s seconds.' % (status, runtime), verbosity=4)
|
|
|
|
if status == 0:
|
|
return stdout_text, stderr_text
|
|
|
|
raise SubprocessError(cmd, status, stdout_text, stderr_text, runtime)
|
|
|
|
|
|
def common_environment():
|
|
"""Common environment used for executing all programs."""
|
|
env = dict(
|
|
LC_ALL='en_US.UTF-8',
|
|
PATH=os.environ.get('PATH', os.defpath),
|
|
)
|
|
|
|
required = (
|
|
'HOME',
|
|
)
|
|
|
|
optional = (
|
|
'HTTPTESTER',
|
|
'SSH_AUTH_SOCK'
|
|
)
|
|
|
|
env.update(pass_vars(required=required, optional=optional))
|
|
|
|
return env
|
|
|
|
|
|
def pass_vars(required=None, optional=None):
|
|
"""
|
|
:type required: collections.Iterable[str]
|
|
:type optional: collections.Iterable[str]
|
|
:rtype: dict[str, str]
|
|
"""
|
|
env = {}
|
|
|
|
for name in required:
|
|
if name not in os.environ:
|
|
raise MissingEnvironmentVariable(name)
|
|
env[name] = os.environ[name]
|
|
|
|
for name in optional:
|
|
if name not in os.environ:
|
|
continue
|
|
env[name] = os.environ[name]
|
|
|
|
return env
|
|
|
|
|
|
def deepest_path(path_a, path_b):
|
|
"""Return the deepest of two paths, or None if the paths are unrelated.
|
|
:type path_a: str
|
|
:type path_b: str
|
|
:rtype: str | None
|
|
"""
|
|
if path_a == '.':
|
|
path_a = ''
|
|
|
|
if path_b == '.':
|
|
path_b = ''
|
|
|
|
if path_a.startswith(path_b):
|
|
return path_a or '.'
|
|
|
|
if path_b.startswith(path_a):
|
|
return path_b or '.'
|
|
|
|
return None
|
|
|
|
|
|
def remove_tree(path):
|
|
"""
|
|
:type path: str
|
|
"""
|
|
try:
|
|
shutil.rmtree(path)
|
|
except OSError as ex:
|
|
if ex.errno != errno.ENOENT:
|
|
raise
|
|
|
|
|
|
def make_dirs(path):
|
|
"""
|
|
:type path: str
|
|
"""
|
|
try:
|
|
os.makedirs(path)
|
|
except OSError as ex:
|
|
if ex.errno != errno.EEXIST:
|
|
raise
|
|
|
|
|
|
def is_binary_file(path):
|
|
"""
|
|
:type path: str
|
|
:rtype: bool
|
|
"""
|
|
with open(path, 'rb') as path_fd:
|
|
return b'\0' in path_fd.read(1024)
|
|
|
|
|
|
class Display(object):
|
|
"""Manages color console output."""
|
|
clear = '\033[0m'
|
|
red = '\033[31m'
|
|
green = '\033[32m'
|
|
yellow = '\033[33m'
|
|
blue = '\033[34m'
|
|
purple = '\033[35m'
|
|
cyan = '\033[36m'
|
|
|
|
verbosity_colors = {
|
|
0: None,
|
|
1: green,
|
|
2: blue,
|
|
3: cyan,
|
|
}
|
|
|
|
def __init__(self):
|
|
self.verbosity = 0
|
|
self.color = True
|
|
self.warnings = []
|
|
self.warnings_unique = set()
|
|
self.info_stderr = False
|
|
|
|
def __warning(self, message):
|
|
"""
|
|
:type message: str
|
|
"""
|
|
self.print_message('WARNING: %s' % message, color=self.purple, fd=sys.stderr)
|
|
|
|
def review_warnings(self):
|
|
"""Review all warnings which previously occurred."""
|
|
if not self.warnings:
|
|
return
|
|
|
|
self.__warning('Reviewing previous %d warning(s):' % len(self.warnings))
|
|
|
|
for warning in self.warnings:
|
|
self.__warning(warning)
|
|
|
|
def warning(self, message, unique=False):
|
|
"""
|
|
:type message: str
|
|
:type unique: bool
|
|
"""
|
|
if unique:
|
|
if message in self.warnings_unique:
|
|
return
|
|
|
|
self.warnings_unique.add(message)
|
|
|
|
self.__warning(message)
|
|
self.warnings.append(message)
|
|
|
|
def notice(self, message):
|
|
"""
|
|
:type message: str
|
|
"""
|
|
self.print_message('NOTICE: %s' % message, color=self.purple, fd=sys.stderr)
|
|
|
|
def error(self, message):
|
|
"""
|
|
:type message: str
|
|
"""
|
|
self.print_message('ERROR: %s' % message, color=self.red, fd=sys.stderr)
|
|
|
|
def info(self, message, verbosity=0):
|
|
"""
|
|
:type message: str
|
|
:type verbosity: int
|
|
"""
|
|
if self.verbosity >= verbosity:
|
|
color = self.verbosity_colors.get(verbosity, self.yellow)
|
|
self.print_message(message, color=color, fd=sys.stderr if self.info_stderr else sys.stdout)
|
|
|
|
def print_message(self, message, color=None, fd=sys.stdout): # pylint: disable=locally-disabled, invalid-name
|
|
"""
|
|
:type message: str
|
|
:type color: str | None
|
|
:type fd: file
|
|
"""
|
|
if color and self.color:
|
|
# convert color resets in message to desired color
|
|
message = message.replace(self.clear, color)
|
|
message = '%s%s%s' % (color, message, self.clear)
|
|
|
|
print(message, file=fd)
|
|
fd.flush()
|
|
|
|
|
|
class ApplicationError(Exception):
|
|
"""General application error."""
|
|
def __init__(self, message=None):
|
|
"""
|
|
:type message: str | None
|
|
"""
|
|
super(ApplicationError, self).__init__(message)
|
|
|
|
|
|
class ApplicationWarning(Exception):
|
|
"""General application warning which interrupts normal program flow."""
|
|
def __init__(self, message=None):
|
|
"""
|
|
:type message: str | None
|
|
"""
|
|
super(ApplicationWarning, self).__init__(message)
|
|
|
|
|
|
class SubprocessError(ApplicationError):
|
|
"""Error resulting from failed subprocess execution."""
|
|
def __init__(self, cmd, status=0, stdout=None, stderr=None, runtime=None):
|
|
"""
|
|
:type cmd: list[str]
|
|
:type status: int
|
|
:type stdout: str | None
|
|
:type stderr: str | None
|
|
:type runtime: float | None
|
|
"""
|
|
message = 'Command "%s" returned exit status %s.\n' % (' '.join(pipes.quote(c) for c in cmd), status)
|
|
|
|
if stderr:
|
|
message += '>>> Standard Error\n'
|
|
message += '%s%s\n' % (stderr.strip(), Display.clear)
|
|
|
|
if stdout:
|
|
message += '>>> Standard Output\n'
|
|
message += '%s%s\n' % (stdout.strip(), Display.clear)
|
|
|
|
message = message.strip()
|
|
|
|
super(SubprocessError, self).__init__(message)
|
|
|
|
self.cmd = cmd
|
|
self.status = status
|
|
self.stdout = stdout
|
|
self.stderr = stderr
|
|
self.runtime = runtime
|
|
|
|
|
|
class MissingEnvironmentVariable(ApplicationError):
|
|
"""Error caused by missing environment variable."""
|
|
def __init__(self, name):
|
|
"""
|
|
:type name: str
|
|
"""
|
|
super(MissingEnvironmentVariable, self).__init__('Missing environment variable: %s' % name)
|
|
|
|
self.name = name
|
|
|
|
|
|
class CommonConfig(object):
|
|
"""Configuration common to all commands."""
|
|
def __init__(self, args):
|
|
"""
|
|
:type args: any
|
|
"""
|
|
self.color = args.color # type: bool
|
|
self.explain = args.explain # type: bool
|
|
self.verbosity = args.verbosity # type: int
|
|
self.debug = args.debug # type: bool
|
|
|
|
|
|
class EnvironmentConfig(CommonConfig):
|
|
"""Configuration common to all commands which execute in an environment."""
|
|
def __init__(self, args, command):
|
|
"""
|
|
:type args: any
|
|
"""
|
|
super(EnvironmentConfig, self).__init__(args)
|
|
|
|
self.command = command
|
|
|
|
self.local = args.local is True
|
|
|
|
if args.tox is True or args.tox is False or args.tox is None:
|
|
self.tox = args.tox is True
|
|
self.tox_args = 0
|
|
self.python = args.python if 'python' in args else None # type: str
|
|
else:
|
|
self.tox = True
|
|
self.tox_args = 1
|
|
self.python = args.tox # type: str
|
|
|
|
self.docker = docker_qualify_image(args.docker) # type: str
|
|
self.remote = args.remote # type: str
|
|
|
|
self.docker_privileged = args.docker_privileged if 'docker_privileged' in args else False # type: bool
|
|
self.docker_util = docker_qualify_image(args.docker_util if 'docker_util' in args else '') # type: str
|
|
self.docker_pull = args.docker_pull if 'docker_pull' in args else False # type: bool
|
|
|
|
self.tox_sitepackages = args.tox_sitepackages # type: bool
|
|
|
|
self.remote_stage = args.remote_stage # type: str
|
|
self.remote_aws_region = args.remote_aws_region # type: str
|
|
|
|
self.requirements = args.requirements # type: bool
|
|
|
|
self.python_version = self.python or '.'.join(str(i) for i in sys.version_info[:2])
|
|
|
|
self.delegate = self.tox or self.docker or self.remote
|
|
|
|
if self.delegate:
|
|
self.requirements = True
|
|
|
|
|
|
def docker_qualify_image(name):
|
|
"""
|
|
:type name: str
|
|
:rtype: str
|
|
"""
|
|
if not name or any((c in name) for c in ('/', ':')):
|
|
return name
|
|
|
|
return 'ansible/ansible:%s' % name
|
|
|
|
|
|
display = Display() # pylint: disable=locally-disabled, invalid-name
|