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#!/usr/bin/env python3
# Copyright © 2019-2021 Collabora Ltd.
#
# SPDX-License-Identifier: MIT
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""
Build the steam-container-runtime (aka SteamLinuxRuntime) depot, either
from just-built files or by downloading a previous build.
"""
import argparse
import gzip
import json
import logging
import os
import re
import shlex
import shutil
import stat
import subprocess
import tarfile
import tempfile
import urllib.request
from contextlib import suppress
from typing import (
Any,
Dict,
List,
Optional,
Sequence,
Set,
Tuple,
from debian.deb822 import (
Sources,
)
HERE = os.path.dirname(os.path.abspath(__file__))
logger = logging.getLogger('populate-depot')
DEFAULT_PRESSURE_VESSEL_URI = (
'https://repo.steampowered.com/pressure-vessel/snapshots'
)
DEFAULT_IMAGES_URI = (
'https://repo.steampowered.com/steamrt-images-SUITE/snapshots'
)
class InvocationError(Exception):
pass
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class PressureVesselRelease:
def __init__(
self,
*,
cache: str = '.cache',
ssh_host: str = '',
ssh_path: str = '',
uri: str = DEFAULT_PRESSURE_VESSEL_URI,
version: str = ''
) -> None:
self.cache = cache
self.pinned_version = None # type: Optional[str]
self.ssh_host = ssh_host
self.ssh_path = ssh_path
self.uri = uri
self.version = version
def get_uri(
self,
filename: str,
version: Optional[str] = None,
) -> str:
uri = self.uri
v = version or self.pinned_version or self.version or 'latest'
return f'{uri}/{v}/{filename}'
def get_ssh_path(
self,
filename: str,
version: Optional[str] = None,
) -> str:
ssh_host = self.ssh_host
ssh_path = self.ssh_path
v = version or self.pinned_version or self.version or 'latest'
if not ssh_host or not ssh_path:
raise RuntimeError('ssh host/path not configured')
return f'{ssh_path}/{v}/{filename}'
def fetch(
self,
filename: str,
opener: urllib.request.OpenerDirector,
version: Optional[str] = None,
) -> str:
dest = os.path.join(self.cache, filename)
if self.ssh_host and self.ssh_path:
path = self.get_ssh_path(filename)
logger.info('Downloading %r...', path)
subprocess.run([
'rsync',
'--archive',
'--partial',
'--progress',
self.ssh_host + ':' + path,
dest,
], check=True)
else:
uri = self.get_uri(filename)
logger.info('Downloading %r...', uri)
with opener.open(uri) as response:
with open(dest + '.new', 'wb') as writer:
shutil.copyfileobj(response, writer)
os.rename(dest + '.new', dest)
return dest
def pin_version(
self,
opener: urllib.request.OpenerDirector,
) -> str:
pinned = self.pinned_version
if pinned is None:
if self.ssh_host and self.ssh_path:
path = self.get_ssh_path(filename='VERSION.txt')
logger.info('Determining version number from %r...', path)
pinned = subprocess.run([
'ssh', self.ssh_host,
'cat {}'.format(shlex.quote(path)),
], stdout=subprocess.PIPE).stdout.decode('utf-8').strip()
else:
uri = self.get_uri(filename='VERSION.txt')
logger.info('Determining version number from %r...', uri)
with opener.open(uri) as response:
pinned = response.read().decode('utf-8').strip()
self.pinned_version = pinned
return pinned
class Runtime:
def __init__(
self,
name,
*,
suite: str,
architecture: str = 'amd64,i386',
images_uri: str = DEFAULT_IMAGES_URI,
path: Optional[str] = None,
ssh_host: str = '',
ssh_path: str = '',
) -> None:
self.architecture = architecture
self.images_uri = images_uri
self.name = name
self.path = path
self.suite = suite
self.ssh_host = ssh_host
self.ssh_path = ssh_path
self.version = version
self.pinned_version = None # type: Optional[str]
self.sha256 = {} # type: Dict[str, str]
os.makedirs(self.cache, exist_ok=True)
self.prefix = 'com.valvesoftware.SteamRuntime'
self.platform = self.prefix + '.Platform'
self.sdk = self.prefix + '.Sdk'
self.tarball = '{}-{}-{}-runtime.tar.gz'.format(
self.platform,
self.architecture,
self.suite,
)
self.dockerfile = '{}-{}-{}-sysroot.Dockerfile'.format(
self.sdk,
self.architecture,
self.suite,
)
self.sdk_tarball = '{}-{}-{}-runtime.tar.gz'.format(
self.sdk,
self.architecture,
self.suite,
)
self.debug_tarball = '{}-{}-{}-debug.tar.gz'.format(
self.sdk,
self.architecture,
self.suite,
)
self.sysroot_tarball = '{}-{}-{}-sysroot.tar.gz'.format(
self.sdk,
self.architecture,
self.suite,
)
self.build_id_file = '{}-{}-{}-buildid.txt'.format(
self.platform,
self.architecture,
self.suite,
)
self.sdk_build_id_file = '{}-{}-{}-buildid.txt'.format(
self.sdk,
self.architecture,
self.suite,
)
self.sources = '{}-{}-{}-sources.deb822.gz'.format(
self.sdk,
self.architecture,
self.suite,
)
def get_archives(
self,
include_sdk_debug=False,
include_sdk_runtime=False,
include_sdk_sysroot=False,
):
archives = [self.tarball]
if include_sdk_debug:
archives.append(self.debug_tarball)
if include_sdk_sysroot:
archives.append(self.dockerfile)
archives.append(self.sysroot_tarball)
if include_sdk_runtime:
archives.append(self.sdk_tarball)
return archives
def __str__(self) -> str:
return self.name
@classmethod
def from_details(
cls,
name: str,
details: Dict[str, Any],
default_architecture: str = 'amd64,i386',
default_suite: str = '',
images_uri: str = DEFAULT_IMAGES_URI,
ssh_host: str = '',
ssh_path: str = '',
):
return cls(
name,
architecture=details.get(
'architecture', default_architecture,
),
images_uri=images_uri,
path=details.get('path', None),
ssh_host=ssh_host,
ssh_path=ssh_path,
suite=details.get('suite', default_suite or name),
version=details.get('version', default_version),
)
def get_uri(
self,
filename: str,
version: Optional[str] = None,
) -> str:
suite = self.suite
uri = self.images_uri.replace('SUITE', suite)
v = version or self.pinned_version or self.version or 'latest'
return f'{uri}/{v}/{filename}'
def get_ssh_path(
self,
filename: str,
version: Optional[str] = None,
) -> str:
ssh_host = self.ssh_host
suite = self.suite
ssh_path = self.ssh_path.replace('SUITE', suite)
v = version or self.pinned_version or self.version or 'latest'
if not ssh_host or not ssh_path:
raise RuntimeError('ssh host/path not configured')
return f'{ssh_path}/{v}/{filename}'
def fetch(
self,
filename: str,
opener: urllib.request.OpenerDirector,
version: Optional[str] = None,
) -> str:
dest = os.path.join(self.cache, filename)
if filename in self.sha256:
try:
with open(dest, 'rb') as reader:
hasher = hashlib.sha256()
while True:
blob = reader.read(4096)
if not blob:
break
hasher.update(blob)
digest = hasher.hexdigest()
except OSError:
pass
else:
if digest == self.sha256[filename]:
logger.info('Using cached %r', dest)
return dest
if self.ssh_host and self.ssh_path:
path = self.get_ssh_path(filename)
logger.info('Downloading %r...', path)
subprocess.run([
'rsync',
'--archive',
'--partial',
'--progress',
self.ssh_host + ':' + path,
], check=True)
else:
uri = self.get_uri(filename)
logger.info('Downloading %r...', uri)
with opener.open(uri) as response:
with open(dest + '.new', 'wb') as writer:
shutil.copyfileobj(response, writer)
os.rename(dest + '.new', dest)
return dest
def pin_version(
self,
opener: urllib.request.OpenerDirector,
) -> str:
pinned = self.pinned_version
sha256 = {} # type: Dict[str, str]
if pinned is None:
if self.ssh_host and self.ssh_path:
path = self.get_ssh_path(filename='VERSION.txt')
logger.info('Determining version number from %r...', path)
pinned = subprocess.run([
'ssh', self.ssh_host,
'cat {}'.format(shlex.quote(path)),
], stdout=subprocess.PIPE).stdout.decode('utf-8').strip()
path = self.get_ssh_path(filename='SHA256SUMS')
sha256sums = subprocess.run([
'ssh', self.ssh_host,
'cat {}'.format(shlex.quote(path)),
], stdout=subprocess.PIPE).stdout
assert sha256sums is not None
else:
uri = self.get_uri(filename='VERSION.txt')
logger.info('Determining version number from %r...', uri)
with opener.open(uri) as response:
pinned = response.read().decode('utf-8').strip()
uri = self.get_uri(filename='SHA256SUMS')
with opener.open(uri) as response:
sha256sums = response.read()
for line in sha256sums.splitlines():
sha256_bytes, name_bytes = line.split(maxsplit=1)
name = name_bytes.decode('utf-8')
if name.startswith('*'):
name = name[1:]
sha256[name] = sha256_bytes.decode('ascii')
self.sha256 = sha256
self.pinned_version = pinned
return pinned
RUN_IN_DIR_SOURCE = '''\
#!/bin/sh
# {source_for_generated_file}
set -eu
me="$(readlink -f "$0")"
here="${{me%/*}}"
me="${{me##*/}}"
dir={escaped_dir}
pressure_vessel="${{PRESSURE_VESSEL_PREFIX:-"${{here}}/pressure-vessel"}}"
export PRESSURE_VESSEL_COPY_RUNTIME=1
export PRESSURE_VESSEL_GC_LEGACY_RUNTIMES=1
export PRESSURE_VESSEL_RUNTIME="${{dir}}"
unset PRESSURE_VESSEL_RUNTIME_ARCHIVE
export PRESSURE_VESSEL_RUNTIME_BASE="${{here}}"
if [ -z "${{PRESSURE_VESSEL_VARIABLE_DIR-}}" ]; then
export PRESSURE_VESSEL_VARIABLE_DIR="${{here}}/var"
fi
exec "${{pressure_vessel}}/bin/pressure-vessel-unruntime" "$@"
'''
RUN_IN_ARCHIVE_SOURCE = '''\
#!/bin/sh
# {source_for_generated_file}
set -eu
me="$(readlink -f "$0")"
here="${{me%/*}}"
me="${{me##*/}}"
archive={escaped_runtime}-{escaped_arch}-{escaped_suite}-runtime.tar.gz
pressure_vessel="${{PRESSURE_VESSEL_PREFIX:-"${{here}}/pressure-vessel"}}"
export PRESSURE_VESSEL_COPY_RUNTIME=1
export PRESSURE_VESSEL_GC_LEGACY_RUNTIMES=1
unset PRESSURE_VESSEL_RUNTIME
export PRESSURE_VESSEL_RUNTIME_ARCHIVE="${{archive}}"
export PRESSURE_VESSEL_RUNTIME_BASE="${{here}}"
if [ -z "${{PRESSURE_VESSEL_VARIABLE_DIR-}}" ]; then
export PRESSURE_VESSEL_VARIABLE_DIR="${{here}}/var"
fi
exec "${{pressure_vessel}}/bin/pressure-vessel-unruntime" "$@"
def __init__(
self,
name: str = '',
sort_weight: int = 0,
) -> None:
self.name = name
self.version = ''
self.runtime = ''
self.runtime_version = ''
self.sort_weight = sort_weight
self.comment = ''
def __str__(self) -> str:
ret = '{} version {!r}'.format(self.name, self.version)
if self.runtime or self.runtime_version:
ret = ret + ' (from {} version {})'.format(
self.runtime or '(unknown runtime)',
self.runtime_version or '(unknown)',
)
return ret
def to_sort_key(self) -> Tuple[int, str]:
return (self.sort_weight, self.to_tsv())
def to_tsv(self) -> str:
if self.comment:
comment = '# ' + self.comment
else:
comment = ''
return '\t'.join((
self.name, self.version,
self.runtime, self.runtime_version,
comment,
)) + '\n'
class Main:
def __init__(
self,
architecture: str = 'amd64,i386',
credential_envs: Sequence[str] = (),
credential_hosts: Sequence[str] = (),
depot: str = 'depot',
depot_version: str = '',
images_uri: str = DEFAULT_IMAGES_URI,
include_archives: bool = False,
include_sdk_debug: bool = False,
include_sdk_runtime: bool = False,
include_sdk_sysroot: bool = False,
minimize: bool = False,
pressure_vessel_archive: str = '',
pressure_vessel_from_runtime: str = '',
pressure_vessel_from_runtime_json: str = '',
pressure_vessel_guess: str = '',
pressure_vessel_ssh_host: str = '',
pressure_vessel_ssh_path: str = '',
pressure_vessel_uri: str = DEFAULT_PRESSURE_VESSEL_URI,
pressure_vessel_version: str = '',
runtime: str = 'scout',
source_dir: str = HERE,
ssh_host: str = '',
ssh_path: str = '',
suite: str = '',
toolmanifest: bool = False,
unpack_ld_library_path: str = '',
unpack_runtime: bool = True,
unpack_sources: Sequence[str] = (),
unpack_sources_into: str = '.',
versioned_directories: bool = False,
**kwargs: Dict[str, Any],
) -> None:
openers: List[urllib.request.BaseHandler] = []
if not credential_hosts:
credential_hosts = []
host = urllib.parse.urlparse(images_uri).hostname
if host is not None:
credential_hosts.append(host)
if credential_envs:
password_manager = urllib.request.HTTPPasswordMgrWithDefaultRealm()
for cred in credential_envs:
if ':' in cred:
username_env, password_env = cred.split(':', 1)
logger.info(
'Using username from $%s and password from $%s',
username_env, password_env)
username = os.environ[username_env]
password = os.environ[password_env]
else:
logger.info(
'Using username and password from $%s', cred)
username, password = os.environ[cred].split(':', 1)
for host in credential_hosts:
password_manager.add_password(
None, # type: ignore
host,
username,
password,
)
openers.append(
urllib.request.HTTPBasicAuthHandler(password_manager)
)
self.opener = urllib.request.build_opener(*openers)
self.cache = cache
self.default_architecture = architecture
self.default_suite = suite
self.default_version = version
self.depot = os.path.abspath(depot)
self.depot_version = depot_version
self.images_uri = images_uri
self.include_archives = include_archives
self.include_sdk_debug = include_sdk_debug
self.include_sdk_runtime = include_sdk_runtime
self.include_sdk_sysroot = include_sdk_sysroot
self.minimize = minimize
self.pressure_vessel_ssh_host = pressure_vessel_ssh_host or ssh_host
self.pressure_vessel_ssh_path = pressure_vessel_ssh_path
self.pressure_vessel_uri = pressure_vessel_uri
self.source_dir = source_dir
self.ssh_host = ssh_host
self.ssh_path = ssh_path
self.toolmanifest = toolmanifest
self.unpack_ld_library_path = unpack_ld_library_path
self.unpack_runtime = unpack_runtime
self.unpack_sources = unpack_sources
self.unpack_sources_into = unpack_sources_into
self.versioned_directories = versioned_directories
n_sources = 0
for source in (
pressure_vessel_archive,
pressure_vessel_from_runtime,
pressure_vessel_from_runtime_json,
pressure_vessel_guess,
pressure_vessel_version,
):
if source:
n_sources += 1
if n_sources == 0:
pressure_vessel_version = 'latest'
elif n_sources > 1:
raise RuntimeError(
'Cannot combine more than one of '
'--pressure-vessel, '
'--pressure-vessel-archive, '
'--pressure-vessel-from-runtime, '
'--pressure-vessel-from-runtime-json and '
'--pressure-vessel-version'
os.makedirs(self.cache, exist_ok=True)
if not (self.include_archives or self.unpack_runtime):
raise RuntimeError(
'Cannot use both --no-include-archives and '
'--no-unpack-runtime'
if '=' in runtime:
name, rhs = runtime.split('=', 1)
if rhs.startswith('{'):
details = json.loads(rhs)
with open(rhs, 'rb') as reader:
details = json.load(reader)
else:
name = runtime
details = {}
self.runtime = self.new_runtime(name, details)
self.versions = [] # type: List[ComponentVersion]
if pressure_vessel_guess:
if self.runtime.name == pressure_vessel_guess:
pressure_vessel_from_runtime = pressure_vessel_guess
elif pressure_vessel_guess.startswith('{'):
pressure_vessel_from_runtime_json = pressure_vessel_guess
elif os.path.isdir(pressure_vessel_guess):
pressure_vessel_archive = os.path.join(
pressure_vessel_guess, 'pressure-vessel-bin.tar.gz',
)
elif (
os.path.isfile(pressure_vessel_guess)
and pressure_vessel_guess.endswith('.tar.gz')
):
pressure_vessel_archive = pressure_vessel_guess
else:
pressure_vessel_from_runtime = pressure_vessel_guess
self.pressure_vessel_runtime = None # type: Optional[Runtime]
self.pressure_vessel_version = ''
if pressure_vessel_version:
self.pressure_vessel_version = pressure_vessel_version
elif pressure_vessel_archive:
self.pressure_vessel_runtime = self.new_runtime(
'scout',
{'path': pressure_vessel_archive},
default_suite='local',
)
elif self.runtime.name == pressure_vessel_from_runtime:
self.pressure_vessel_runtime = self.runtime
elif pressure_vessel_from_runtime:
self.pressure_vessel_runtime = self.new_runtime(
pressure_vessel_from_runtime, {},
default_suite=pressure_vessel_from_runtime,
)
elif pressure_vessel_from_runtime_json:
self.pressure_vessel_runtime = self.new_runtime(
'scout',
json.loads(pressure_vessel_from_runtime_json),
default_suite='scout',
)
def new_runtime(
self,
name: str,
details: Dict[str, Any],
default_suite: str = '',
) -> Runtime:
return Runtime.from_details(
name,
details,
default_architecture=self.default_architecture,
default_suite=default_suite or self.default_suite,
default_version=self.default_version,
images_uri=self.images_uri,
ssh_host=self.ssh_host,
ssh_path=self.ssh_path,
def merge_dir_into_depot(
self,
source_root: str,
):
for (dirpath, dirnames, filenames) in os.walk(source_root):
relative_path = os.path.relpath(dirpath, source_root)
for member in dirnames:
os.makedirs(
os.path.join(self.depot, relative_path, member),
exist_ok=True,
)
for member in filenames:
source = os.path.join(dirpath, member)
merged = os.path.join(self.depot, relative_path, member)
with suppress(FileNotFoundError):
os.unlink(merged)
os.makedirs(os.path.dirname(merged), exist_ok=True)
shutil.copy(source, merged)
def run(self) -> None:
if self.layered:
self.do_layered_runtime()
else:
self.do_container_runtime()
def do_layered_runtime(self) -> None:
if self.runtime.name != 'scout':
raise InvocationError('Can only layer scout onto soldier')
if self.unpack_ld_library_path:
raise InvocationError(
'Cannot use --unpack-ld-library-path with --layered'
)
if self.include_archives:
raise InvocationError(
'Cannot use --include-archives with --layered'
)
if (
self.include_sdk_debug
or self.include_sdk_runtime
or self.include_sdk_sysroot
):
'Cannot use --include-sdk-* with --layered'
)
if self.unpack_sources:
raise InvocationError(
'Cannot use --unpack-source with --layered'
)
self.merge_dir_into_depot(
os.path.join(self.source_dir, 'runtimes', 'scout-on-soldier')
)
if self.runtime.version:
self.unpack_ld_library_path = self.depot
self.download_scout_tarball(self.runtime)
local_version = ComponentVersion('LD_LIBRARY_PATH')
version = self.runtime.pinned_version
assert version is not None
local_version.version = version
local_version.runtime = 'scout'
local_version.runtime_version = version
local_version.comment = 'steam-runtime/'
self.versions.append(local_version)
else:
unspecified_version = ComponentVersion('LD_LIBRARY_PATH')
unspecified_version.version = '-'
unspecified_version.runtime = 'scout'
unspecified_version.runtime_version = '-'
unspecified_version.comment = (
'see ~/.steam/root/ubuntu12_32/steam-runtime/version.txt'
)
self.versions.append(unspecified_version)
self.write_component_versions()
def ensure_ref(self, path: str) -> None:
'''
Create $path/files/.ref as an empty regular file.
This is useful because pressure-vessel would create this file
during processing. If it gets committed to the depot, then Steampipe
will remove it when superseded.
'''
ref = os.path.join(path, 'files', '.ref')
try:
statinfo = os.stat(ref, follow_symlinks=False)
except FileNotFoundError:
with open(ref, 'x'):
pass
else:
if statinfo.st_size > 0 or not stat.S_ISREG(statinfo.st_mode):
raise RuntimeError(
'Expected {} to be an empty regular file'.format(path)
)
def do_container_runtime(self) -> None:
pv_version = ComponentVersion('pressure-vessel')
self.merge_dir_into_depot(os.path.join(self.source_dir, 'common'))
root = os.path.join(self.source_dir, 'runtimes', self.runtime.name)
if os.path.exists(root):
self.merge_dir_into_depot(root)
pressure_vessel_runtime = self.pressure_vessel_runtime
if self.pressure_vessel_version:
logger.info(
'Downloading standalone pressure-vessel release'
pv_version.version = self.download_pressure_vessel_standalone(
self.pressure_vessel_version
)
else:
assert pressure_vessel_runtime is not None
if pressure_vessel_runtime.path:
self.use_local_pressure_vessel(pressure_vessel_runtime.path)
pv_version.comment = 'from local file'
else:
pv_version.comment = (
self.download_pressure_vessel_from_runtime(
pressure_vessel_runtime
)
)
for path in ('metadata/VERSION.txt', 'sources/VERSION.txt'):
full = os.path.join(self.depot, 'pressure-vessel', path)
if os.path.exists(full):
v = text_reader.read().rstrip('\n')
if pv_version.version:
if pv_version.version != v:
raise RuntimeError(
'Inconsistent version! '
'{} says {}, but expected {}'.format(
path, v, pv_version.version,
)
)
else:
pv_version.version = v
if pressure_vessel_runtime is not None:
pv_version.runtime = pressure_vessel_runtime.suite or ''
pv_version.runtime_version = (
pressure_vessel_runtime.pinned_version or ''
)
self.versions.append(pv_version)
if self.unpack_ld_library_path and pressure_vessel_runtime is None:
if self.runtime.name == 'scout':
scout = self.runtime
else:
scout = self.new_runtime(
'scout',
dict(version='latest'),
default_suite='scout',
)
logger.info(
'Downloading LD_LIBRARY_PATH Steam Runtime from scout into %r',
self.unpack_ld_library_path)
self.download_scout_tarball(scout)
elif self.unpack_ld_library_path:
assert pressure_vessel_runtime is not None
logger.info(
'Downloading LD_LIBRARY_PATH Steam Runtime from same place '
'as pressure-vessel into %r',
self.unpack_ld_library_path)
self.download_scout_tarball(pressure_vessel_runtime)
if self.unpack_sources:
logger.info(
'Will download %s source code into %r',
', '.join(self.unpack_sources), self.unpack_sources_into)
os.makedirs(self.unpack_sources_into, exist_ok=True)
os.makedirs(
os.path.join(self.unpack_sources_into, self.runtime.name),
exist_ok=True,
)
for runtime in (self.runtime,): # too much to reindent right now
if runtime.path:
logger.info(
'Using runtime from local directory %r',
runtime.path)
self.use_local_runtime(runtime)
else:
logger.info(
'Downloading runtime from %s',
self.download_runtime(runtime)
component_version = ComponentVersion(runtime.name)
if runtime.path:
with open(
os.path.join(runtime.path, runtime.build_id_file), 'r',
) as text_reader:
version = text_reader.read().strip()
else:
version = runtime.pinned_version or ''
assert version
if self.include_archives:
runtime_files = set(
runtime.get_archives(
include_sdk_debug=self.include_sdk_debug,
include_sdk_runtime=self.include_sdk_runtime,
include_sdk_sysroot=self.include_sdk_sysroot,
)
else:
runtime_files = set()
if self.unpack_runtime:
if self.versioned_directories:
subdir = '{}_platform_{}'.format(runtime.name, version)
else:
subdir = runtime.name
dest = os.path.join(self.depot, subdir)
runtime_files.add(subdir + '/')
with suppress(FileNotFoundError):
shutil.rmtree(dest)
os.makedirs(dest, exist_ok=True)
argv = [
'tar',
'-C', dest,
os.path.join(self.cache, runtime.tarball),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
self.write_lookaside(
os.path.join(self.cache, runtime.tarball),
dest,
)
if self.minimize:
self.minimize_runtime(dest)
self.ensure_ref(dest)
if self.include_sdk_runtime:
if self.versioned_directories:
sdk_subdir = '{}_sdk_{}'.format(runtime.name, version)
else:
sdk_subdir = '{}_sdk'.format(runtime.name)
dest = os.path.join(self.depot, sdk_subdir)
runtime_files.add(sdk_subdir + '/')
with suppress(FileNotFoundError):
shutil.rmtree(os.path.join(dest, 'files'))
with suppress(FileNotFoundError):
os.remove(os.path.join(dest, 'metadata'))
os.makedirs(
os.path.join(dest, 'files', 'lib', 'debug'),
exist_ok=True,
)
argv = [
'tar',
'-C', dest,
'-xf', os.path.join(self.cache, runtime.sdk_tarball),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
self.write_lookaside(
os.path.join(self.cache, runtime.sdk_tarball),
dest,
)
if self.minimize:
self.minimize_runtime(dest)
self.ensure_ref(dest)
if self.include_sdk_debug:
argv = [
'tar',
'-C', os.path.join(dest, 'files', 'lib', 'debug'),
'--transform', r's,^\(\./\)\?files\(/\|$\),,',
'-xf',
os.path.join(self.cache, runtime.debug_tarball),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
if self.include_sdk_sysroot:
if self.versioned_directories:
sysroot_subdir = '{}_sysroot_{}'.format(
runtime.name, version,
)
else:
sysroot_subdir = '{}_sysroot'.format(runtime.name)
sysroot = os.path.join(self.depot, sysroot_subdir)
runtime_files.add(sysroot_subdir + '/')
with suppress(FileNotFoundError):
shutil.rmtree(sysroot)
os.makedirs(os.path.join(sysroot, 'files'), exist_ok=True)
argv = [
'tar',
'-C', os.path.join(sysroot, 'files'),
'--exclude', 'dev/*',
os.path.join(self.cache, runtime.sysroot_tarball),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
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os.makedirs(
os.path.join(
sysroot, 'files', 'usr', 'lib', 'debug',
),
exist_ok=True,
)
if self.include_sdk_debug:
if self.include_sdk_sysroot:
argv = [
'cp',
'-al',
os.path.join(dest, 'files', 'lib', 'debug'),
os.path.join(sysroot, 'files', 'usr', 'lib'),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
else:
argv = [
'tar',
'-C', os.path.join(
sysroot, 'files', 'usr', 'lib', 'debug'
),
'--transform', r's,^\(\./\)\?files\(/\|$\),,',
'-xf',
os.path.join(
self.cache, runtime.debug_tarball,
),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
with open(
os.path.join(self.depot, 'run-in-' + runtime.name), 'w'
) as writer:
if self.unpack_runtime:
writer.write(
RUN_IN_DIR_SOURCE.format(
escaped_dir=shlex.quote(subdir),
source_for_generated_file=(
'Generated file, do not edit'
),
)
)
else:
writer.write(
RUN_IN_ARCHIVE_SOURCE.format(
escaped_arch=shlex.quote(runtime.architecture),
escaped_name=shlex.quote(runtime.name),
escaped_runtime=shlex.quote(runtime.platform),
escaped_suite=shlex.quote(runtime.suite),
source_for_generated_file=(
'Generated file, do not edit'
),
)
)
os.chmod(os.path.join(self.depot, 'run-in-' + runtime.name), 0o755)
comment = ', '.join(sorted(runtime_files))
if runtime.path:
comment += ' (from local build)'
component_version.version = version
component_version.runtime = runtime.suite
component_version.runtime_version = version
component_version.comment = comment
self.versions.append(component_version)
for runtime in (self.runtime,): # too much to reindent right now
if not self.toolmanifest:
continue
with open(
os.path.join(self.depot, 'toolmanifest.vdf'), 'w'
) as writer:
import vdf # noqa
writer.write('// Generated file, do not edit\n')
words = [
'/_v2-entry-point',
'--verb=%verb%',
'--',
]
content = dict(
manifest=dict(
commandline=' '.join(words),
version='2',
use_tool_subprocess_reaper='1',
)
if runtime.suite != 'scout':
vdf.dump(content, writer, pretty=True, escaped=True)
shutil.copy2(
os.path.join(self.depot, 'run-in-' + runtime.name),
os.path.join(self.depot, 'run'),
)
os.chmod(os.path.join(self.depot, 'run'), 0o755)
self.write_component_versions()
def write_component_versions(self) -> None:
try:
with subprocess.Popen(
[
'git', 'describe',
'--always',
'--dirty',
'--long',
],
cwd=os.path.dirname(__file__),
stdout=subprocess.PIPE,
universal_newlines=True,
) as describe:
stdout = describe.stdout
assert stdout is not None
version = stdout.read().strip()
# Deliberately ignoring exit status:
# if git is missing or old we'll use 'unknown'
except (OSError, subprocess.SubprocessError):
version = 'unknown'
if self.depot_version:
component_version = ComponentVersion('depot', sort_weight=-1)
component_version.version = self.depot_version
component_version.comment = 'Overall version number'
self.versions.append(component_version)
component_version = ComponentVersion('scripts')
component_version.version = version
component_version.comment = 'Entry point scripts, etc.'
self.versions.append(component_version)
with open(os.path.join(self.depot, 'VERSIONS.txt'), 'w') as writer:
writer.write(
'#Name\tVersion\t\tRuntime\tRuntime_Version\tComment\n'
)
for entry in sorted(self.versions, key=lambda v: v.to_sort_key()):
logger.info('Component version: %s', entry)
writer.write(entry.to_tsv())
def use_local_pressure_vessel(self, path: str = '.') -> None:
pv_dir = os.path.join(self.depot, 'pressure-vessel')
os.makedirs(pv_dir, exist_ok=True)
argv = ['tar', '-C', pv_dir, '--strip-components=1', '-xf']
if os.path.isfile(path):
argv.append(path)
else:
argv.append(os.path.join(path, 'pressure-vessel-bin.tar.gz'))
logger.info('%r', argv)
subprocess.run(argv, check=True)
def download_pressure_vessel_standalone(
self,
version: str,
) -> str:
pv = PressureVesselRelease(
cache=self.cache,
ssh_host=self.pressure_vessel_ssh_host,
ssh_path=self.pressure_vessel_ssh_path,
uri=self.pressure_vessel_uri,
version=version,
)
pinned = pv.pin_version(self.opener)
self.use_local_pressure_vessel(
pv.fetch('pressure-vessel-bin.tar.gz', self.opener, pinned)
)
return pinned
def download_pressure_vessel_from_runtime(self, runtime: Runtime) -> str:
filename = 'pressure-vessel-bin.tar.gz'
runtime.pin_version(self.opener)
downloaded = runtime.fetch(
filename,
self.opener,
)
os.makedirs(self.depot, exist_ok=True)
subprocess.run(
[
'tar', '-C', self.depot, '-xf', downloaded,
],
check=True,
)
def use_local_runtime(self, runtime: Runtime) -> None:
assert runtime.path
for basename in runtime.get_archives(
include_sdk_debug=self.include_sdk_debug,
include_sdk_runtime=self.include_sdk_runtime,
include_sdk_sysroot=self.include_sdk_sysroot,
):
src = os.path.join(runtime.path, basename)
dest = os.path.join(self.cache, basename)
logger.info('Hard-linking local runtime %r to %r', src, dest)
with suppress(FileNotFoundError):
os.unlink(dest)
if self.include_archives:
dest = os.path.join(self.depot, basename)
logger.info('Hard-linking local runtime %r to %r', src, dest)
with suppress(FileNotFoundError):
os.unlink(dest)
os.link(src, dest)
if self.include_archives:
os.path.join(self.depot, runtime.build_id_file), 'w',
) as writer:
writer.write(f'{runtime.version}\n')
if self.include_sdk_runtime or self.include_sdk_sysroot:
with open(
os.path.join(self.depot, runtime.sdk_build_id_file), 'w',
) as writer:
writer.write(f'{runtime.version}\n')
if self.unpack_sources:
with open(
os.path.join(runtime.path, runtime.sources), 'rb',
) as reader:
for stanza in Sources.iter_paragraphs(
sequence=reader,
use_apt_pkg=True,
):
if stanza['package'] in self.unpack_sources:
for f in stanza['files']:
name = f['name']
if name.endswith('.dsc'):
dest = os.path.join(
self.unpack_sources_into,
runtime.name,
stanza['package'],
)
with suppress(FileNotFoundError):
logger.info('Removing %r', dest)
shutil.rmtree(dest)
subprocess.run(
[
'dpkg-source',
'-x',
dest,
os.path.join(
runtime.path,
'sources',
f['name'],
),
],
check=True,
)
def download_runtime(self, runtime: Runtime) -> None:
"""
Download a pre-prepared Platform from a previous container
runtime build.
"""
pinned = runtime.pin_version(self.opener)
for basename in runtime.get_archives(
include_sdk_debug=self.include_sdk_debug,
include_sdk_runtime=self.include_sdk_runtime,
include_sdk_sysroot=self.include_sdk_sysroot,
):
downloaded = runtime.fetch(basename, self.opener)
if self.include_archives:
dest = os.path.join(self.depot, basename)
with suppress(FileNotFoundError):
os.unlink(dest)
os.link(downloaded, dest)
if self.include_archives:
os.path.join(self.depot, runtime.build_id_file), 'w',
) as writer:
writer.write(f'{pinned}\n')
if self.include_sdk_runtime or self.include_sdk_sysroot:
with open(
os.path.join(self.depot, runtime.sdk_build_id_file), 'w',
) as writer:
writer.write(f'{pinned}\n')
if self.unpack_sources:
with tempfile.TemporaryDirectory(prefix='populate-depot.') as tmp:
want = set(self.unpack_sources)
downloaded = runtime.fetch(
runtime.sources,
self.opener,
)
with open(downloaded, 'rb') as reader:
for stanza in Sources.iter_paragraphs(
sequence=reader,
use_apt_pkg=True,
):
if stanza['package'] in self.unpack_sources:
logger.info(
'Found %s in %s',
stanza['package'], runtime.name,
)
want.discard(stanza['package'])
os.makedirs(
os.path.join(self.cache or tmp, 'sources'),
exist_ok=True,
)
file_path = {} # type: Dict[str, str]
for f in stanza['files']:
name = f['name']
file_path[name] = runtime.fetch(
os.path.join('sources', name),
self.opener,
)
for f in stanza['files']:
name = f['name']
if name.endswith('.dsc'):
dest = os.path.join(
self.unpack_sources_into,
runtime.name,
stanza['package'],
)
with suppress(FileNotFoundError):
logger.info('Removing %r', dest)
shutil.rmtree(dest)
subprocess.run(
[
'dpkg-source',
'-x',
file_path[name],
dest,
],
check=True,
)
if want:
logger.warning(
'Did not find source package(s) %s in %s',
', '.join(want), runtime.name,
)
def download_scout_tarball(self, runtime: Runtime) -> None:
"""
Download a pre-prepared LD_LIBRARY_PATH Steam Runtime from a
previous scout build.
"""
filename = 'steam-runtime.tar.xz'
pinned = runtime.pin_version(self.opener)
logger.info('Downloading steam-runtime build %s', pinned)
os.makedirs(self.unpack_ld_library_path, exist_ok=True)
downloaded = runtime.fetch(
filename,
self.opener,
)
subprocess.run(
[
'tar', '-C', self.unpack_ld_library_path, '-xf',
downloaded,
],
check=True,
)
def octal_escape_char(self, match: 're.Match') -> str:
ret = [] # type: List[str]
for byte in match.group(0).encode('utf-8', 'surrogateescape'):
ret.append('\\%03o' % byte)
return ''.join(ret)
_NEEDS_OCTAL_ESCAPE = re.compile(r'[^-A-Za-z0-9+,./:@_]')
def octal_escape(self, s: str) -> str:
return self._NEEDS_OCTAL_ESCAPE.sub(self.octal_escape_char, s)
def filename_is_windows_friendly(self, s: str) -> bool:
for c in s:
# This is the set of characters that are reserved in Windows
# filenames, excluding '/' which obviously we're fine with
# using as a directory separator.
if c in r'<>:"\|?*':
return False
if c >= '\uDC80' and c <= '\uDCFF':
# surrogate escape, not Unicode
return False
return True
def write_lookaside(self, archive: str, dest: str) -> None:
with tarfile.open(
archive, mode='r'
) as unarchiver, gzip.open(
os.path.join(dest, 'usr-mtree.txt.gz'), 'wt'
) as writer:
lc_names = {} # type: Dict[str, str]
differ_only_by_case = set() # type: Set[str]
not_windows_friendly = set() # type: Set[str]
sha256 = {} # type: Dict[str, str]
sizes = {} # type: Dict[str, int]
writer.write('#mtree\n')
writer.write('. type=dir\n')
for member in unarchiver:
name = member.name
if name.startswith('./'):
name = name[len('./'):]
if not name.startswith('files/'):
continue
name = name[len('files/'):]
if not self.filename_is_windows_friendly(name):
not_windows_friendly.add(name)
if name.lower() in lc_names:
differ_only_by_case.add(lc_names[name.lower()])
differ_only_by_case.add(name)
else:
lc_names[name.lower()] = name
fields = ['./' + self.octal_escape(name)]
if member.isfile() or member.islnk():
fields.append('type=file')
fields.append('mode=%o' % member.mode)
# We only store mtime to 1-second precision for now,
# but some mtree implementations require the dot.
#
# If we add sub-second precision, note that some
# versions of mtree use the part after the dot
# as integer nanoseconds, so "1.234" is actually
# 1 second + 234 nanoseconds, or what normal people
# would write as 1.000000234 - we can be compatible
# with both by always showing the time in %d.%09d format.
fields.append('time=%d.0' % member.mtime)
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if member.islnk():
writer.write(
'# hard link to {}\n'.format(
self.octal_escape(member.linkname),
),
)
assert member.linkname in sizes
fields.append('size=%d' % sizes[member.linkname])
if sizes[member.linkname] > 0:
assert member.linkname in sha256
fields.append('sha256=' + sha256[member.linkname])
else:
fields.append('size=%d' % member.size)
sizes[member.name] = member.size
if member.size > 0:
hasher = hashlib.sha256()
extract = unarchiver.extractfile(member)
assert extract is not None
with extract:
while True:
blob = extract.read(4096)
if not blob:
break
hasher.update(blob)
fields.append('sha256=' + hasher.hexdigest())
sha256[member.name] = hasher.hexdigest()
elif member.issym():
fields.append('type=link')
fields.append('link=' + self.octal_escape(member.linkname))
elif member.isdir():
fields.append('type=dir')
else:
writer.write(
'# unknown file type: {}\n'.format(
self.octal_escape(member.name),
),
)
continue
writer.write(' '.join(fields) + '\n')
if '.ref' not in lc_names:
writer.write('./.ref type=file size=0 mode=644\n')
if differ_only_by_case:
writer.write('\n')
writer.write('# Files whose names differ only by case:\n')
for name in sorted(differ_only_by_case):
writer.write('# {}\n'.format(self.octal_escape(name)))
if not_windows_friendly:
writer.write('\n')
writer.write('# Files whose names are not Windows-friendly:\n')
for name in sorted(not_windows_friendly):
writer.write('# {}\n'.format(self.octal_escape(name)))
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def minimize_runtime(self, root: str) -> None:
'''
Remove files that pressure-vessel can reconstitute from the manifest.
This is the equivalent of:
find $root/files -type l -delete
find $root/files -empty -delete
Note that this needs to be done before ensure_ref(), otherwise
it will delete files/.ref too.
'''
for (dirpath, dirnames, filenames) in os.walk(
os.path.join(root, 'files'),
topdown=False,
):
for f in filenames + dirnames:
path = os.path.join(dirpath, f)
try:
statinfo = os.lstat(path)
except FileNotFoundError:
continue
if stat.S_ISLNK(statinfo.st_mode) or statinfo.st_size == 0:
os.remove(path)
try:
os.rmdir(dirpath)
except OSError as e:
if e.errno != errno.ENOTEMPTY:
raise
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def main() -> None:
logging.basicConfig()
logging.getLogger().setLevel(logging.DEBUG)
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawDescriptionHelpFormatter,
)
parser.add_argument(
'--architecture', default='amd64,i386',
help=(
'Default dpkg architecture or comma-separated list of '
'architectures'
)
)
parser.add_argument(
'--suite', default='',
help=(
'Default suite to use if none is specified'
)
)
parser.add_argument(
help=(
'Default version to use if none is specified'
)
)
parser.add_argument(
'--cache', default='.cache',
help=(
'Cache downloaded files that are not in --depot here'
),
)
parser.add_argument(
'--credential-env',
action='append',
default=[],
dest='credential_envs',
help=(
'Environment variable to be evaluated for login:password, '
'or a pair of environment variables VAR1:VAR2 to be evaluated '
'for login and password respectively'
),
)
parser.add_argument(
'--credential-host',
action='append',
default=[],
dest='credential_hosts',
metavar='HOST',
help=(
'Use --credential-env when downloading from the given HOST'
'(default: hostname of --images-uri)'
),
)
parser.add_argument(
'--images-uri',
default=DEFAULT_IMAGES_URI,
metavar='URI',
help=(
'Download files from the given URI. '
'"SUITE" will be replaced with the suite name.'
),
)
parser.add_argument(
'--ssh-host', default='', metavar='HOST',
help='Use ssh and rsync to download files from HOST',
)
parser.add_argument(
'--ssh-path', default='', metavar='PATH',
help=(
'Use ssh and rsync to download files from PATH on HOST. '
'"SUITE" will be replaced with the suite name.'
),
parser.add_argument(
'--depot', default='depot',
help=(
'Download runtime into this existing directory'
parser.add_argument(
'--depot-version', default='',
help=(
'Set an overall version number for the depot contents'
)
)
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parser.add_argument(
'--pressure-vessel-uri',
default=DEFAULT_PRESSURE_VESSEL_URI,
metavar='URI',
help=(
'Download pressure-vessel from a versioned subdirectory of URI'
),
)
parser.add_argument(
'--pressure-vessel-ssh-host', default='', metavar='HOST',
help=(
'Use ssh and rsync to download pressure-vessel from HOST '
'[default: same as --ssh-host]'
),
)
parser.add_argument(
'--pressure-vessel-ssh-path', default='', metavar='PATH',
help=(
'Use ssh and rsync to download pressure-vessel from a versioned '
'subdirectory of PATH on HOST'
),
)
parser.add_argument(
'--pressure-vessel-version', default='', metavar='0.x.y|latest',
help=(
'Use this version of pressure-vessel from --pressure-vessel-uri '
'or --pressure-vessel-ssh-path'
)
)
parser.add_argument(
'--pressure-vessel-archive', default='', metavar='PATH',
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'Unpack pressure-vessel from the named archive'
),
)
parser.add_argument(
'--pressure-vessel-from-runtime', default='', metavar='NAME',
help=(
'Get pressure-vessel from the named runtime (default "scout")'
),
)
parser.add_argument(
'--pressure-vessel-from-runtime-json', default='', metavar='NAME',
help=(
'Get pressure-vessel from a separate runtime version given as a '
'JSON object'
),
)
parser.add_argument(
'--pressure-vessel', default='', metavar='NAME|PATH|DETAILS',
dest='pressure_vessel_guess',
help=(
'--pressure-vessel-archive=ARCHIVE, '
'--pressure-vessel-archive=DIRECTORY/pressure-vessel-bin.tar.gz, '
'--pressure-vessel-from-runtime=NAME or '
'--pressure-vessel-from-runtime-json=DETAILS, '
'based on form of argument given '
'(disambiguate with ./ if necessary)'
),
parser.add_argument(
'--include-archives', action='store_true', default=False,
help=(
'Provide the runtime as an archive to be unpacked'
)
)
parser.add_argument(
'--no-include-archives', action='store_false', dest='include_archives',
help=(
'Do not provide the runtime as an archive to be unpacked '
'[default]'
)
)
parser.add_argument(
'--include-sdk', default=False, action='store_true',
help='Include a corresponding SDK',
)
parser.add_argument(
'--include-sdk-debug', default=False, action='store_true',
help='Include a corresponding SDK',
)
parser.add_argument(
'--include-sdk-runtime', default=False, action='store_true',
help='Include a corresponding SDK',
)
parser.add_argument(
'--include-sdk-sysroot', default=False, action='store_true',
help='Include a corresponding SDK',
)
parser.add_argument(
'--layered', default=False, action='store_true',
help='Produce a layered runtime that runs scout on soldier',
)
parser.add_argument(
'--minimize', action='store_true', default=False,
help=(
'Omit empty files, empty directories and symlinks from '
'runtime content, requiring pressure-vessel to fill them in '
'from the mtree manifest'
)
)
parser.add_argument(
'--no-minimize', action='store_false', dest='minimize',
help=(
'Include empty files, empty directories and symlinks in '
'runtime content [default]'
)
)
parser.add_argument(
'--source-dir', default=HERE,
help=(
'Source directory for files to include in the depot'
)
)
parser.add_argument(
'--toolmanifest', default=False, action='store_true',
help='Generate toolmanifest.vdf',
)
parser.add_argument(
'--unpack-ld-library-path', metavar='PATH', default='',
help=(
'Get the steam-runtime.tar.xz from the same place as '
'pressure-vessel and unpack it into the given PATH, '
'for use in regression testing.'
)
)
'--unpack-runtime', '--unpack-runtimes',
action='store_true', default=True,
"Unpack the runtime into the --depot, for use with "
"pressure-vessel's tests/containers.py. [default]"
parser.add_argument(
'--no-unpack-runtime', '--no-unpack-runtimes',
action='store_false', dest='unpack_runtime',
help=(
"Don't unpack the runtime into the --depot"
)
)
parser.add_argument(
'--unpack-source', metavar='PACKAGE', action='append', default=[],
dest='unpack_sources',
help=(
'Download and unpack the given source package from each runtime '
'if it exists, for use in regression testing. May be repeated.'
)
)
parser.add_argument(
'--unpack-sources-into', metavar='PATH', default='.',
help=(
'Unpack any source packages specified by --unpack-source '
'into PATH/RUNTIME/SOURCE (default: ./RUNTIME/SOURCE).'
)
)
parser.add_argument(
'--versioned-directories', action='store_true', default=True,
help=(
'Include version number in unpacked runtime directories '
'[default]'
)
)
parser.add_argument(
'--no-versioned-directories', action='store_false',
dest='versioned_directories',
help=(
'Do not include version number in unpacked runtime directories'
)
)
parser.add_argument(
'runtime',
default='',
metavar='NAME[="DETAILS"]',
help=(
'Runtime to download, in the form NAME or NAME="DETAILS". '
'DETAILS is a JSON object containing something like '
'{"path": "../prebuilt", "suite: "scout", "version": "latest", '
'"architecture": "amd64,i386"}, or the '
'path to a file with the same JSON object in. All JSON fields '
'are optional.'
),
)
try:
args = parser.parse_args()
args.include_sdk_debug = args.include_sdk_debug or args.include_sdk
args.include_sdk_runtime = args.include_sdk_runtime or args.include_sdk
args.include_sdk_sysroot = args.include_sdk_sysroot or args.include_sdk
Main(**vars(args)).run()
except InvocationError as e:
parser.error(str(e))
if __name__ == '__main__':
main()