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#!/usr/bin/env python
# Toaster helper for clone/setup/start/stop
#
# Copyright (C) 2016 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import subprocess
import os
import shutil
import signal
import tempfile
from proc.core import find_processes
TOASTER_TEST_BRANCH = 'toaster_tests'
VENV_NAME = 'venv'
SHELL_CMD = os.environ['SHELL'] if 'SHELL' in os.environ else "/bin/bash"
TOASTER_BUILD_DIR_NAME = 'build'
def _check_output1(*popenargs, **kwargs):
"""
Almost the same as subprocess.check_output but change the stdout from
PIPE to tempfile to avoid deadlocks when trying to read the PIPE using
communicate(). This scenario can be seen calling toaster_start on failure
scenarios.
This causes a little overhead by the tempfile.
"""
f = tempfile.TemporaryFile(mode='rw+')
if 'stdout' in kwargs:
raise ValueError('stdout argument not allowed, it will be overridden.')
process = subprocess.Popen(stdout=f, *popenargs, **kwargs)
retcode = process.wait()
f.flush()
os.fsync(f.fileno())
f.seek(0, 0)
output = f.read()
f.close()
if retcode:
cmd = kwargs.get("args")
if cmd is None:
cmd = popenargs[0]
raise subprocess.CalledProcessError(retcode, cmd, output=output)
return output
class ToasterHelper(object):
def __init__(self, directory, repo, repo_ref='master', port='8000',
build_dir=TOASTER_BUILD_DIR_NAME):
self.directory = directory
self.repo = repo
self.repo_ref = repo_ref
self.port = port
self.build_dir = build_dir
def _execute_command(self, cmd):
return _check_output1([SHELL_CMD, "-c", "cd %s; %s" % \
(self.directory, cmd)], stderr=subprocess.STDOUT)
def _execute_command_oe(self, cmd):
return self._execute_command("source oe-init-build-env %s; %s"\
% (self.build_dir, cmd))
def _execute_command_oe_venv(self, cmd):
return self._execute_command_oe("source %s/bin/activate; %s"\
% (VENV_NAME, cmd))
def clone(self, rm=False):
if os.path.exists(self.directory):
if rm:
shutil.rmtree(self.directory)
else:
raise IOError
subprocess.check_output([SHELL_CMD, "-c", "git clone %s %s" %\
(self.repo, self.directory)], stderr=subprocess.STDOUT)
self._execute_command("git checkout %s; git branch %s; git checkout %s;"\
% (self.repo_ref, TOASTER_TEST_BRANCH, TOASTER_TEST_BRANCH))
def setup(self):
self._execute_command_oe("virtualenv %s" % VENV_NAME)
self._execute_command_oe_venv("pip install -r" \
" ../bitbake/toaster-requirements.txt")
self._execute_command_oe_venv("pip install -r" \
" ../bitbake/toaster-tests-requirements.txt")
def start(self):
return self._execute_command_oe_venv("source %s/bitbake/bin/toaster"\
" start webport=%s" % (self.directory, self.port))
def _stop_force(self):
"""
The _stop_force method iterates over the /proc and search for toaster path
in the process cmdline then send SIGKILL for every matched process.
"""
pids = []
for p in find_processes():
if len(p.cmdline) > 1 and \
os.path.basename(p.cmdline[0]) == 'python' and \
p.cmdline[1].startswith(self.directory):
pids.append(p.pid)
for pid in pids:
try:
os.kill(pid, signal.SIGKILL)
except:
pass
return ''
def stop(self, force=False):
"""
The stop method have force mode because toaster without production
setup have known issues when is on load, the server response 503
service unavailable.
"""
if force:
return self._stop_force()
else:
return self._execute_command_oe_venv("source %s/bitbake/bin/toaster"\
" stop webport=%s" % (self.directory, self.port))
def get_sqlite_path(self):
return os.path.join(self.directory, self.build_dir, 'toaster.sqlite')
def get_conf_path(self):
output = self._execute_command_oe_venv("source %s/bitbake/bin/toaster"\
" start webport=%s; echo $TOASTER_CONF;" % \
(self.directory, self.port))
return output.split()[-1]
DEFAULT_WORK_DIRECTORY = '/tmp/toaster'
DEFAULT_POKY_URL = 'http://git.yoctoproject.org/git/poky.git'
DEFAULT_POKY_BRANCH = 'master'
DEFAULT_WEB_PORT = '8000'
if __name__ == "__main__":
import argparse
import sys
parser = argparse.ArgumentParser(description='Toaster helper',
formatter_class=argparse.RawTextHelpFormatter)
parser.add_argument("-a", "--action", choices=['clone', 'setup', 'start', 'stop'],
required=True,
help="Action to execute can be clone/setup/start/stop")
parser.add_argument("-d", "--work-directory", default=DEFAULT_WORK_DIRECTORY,
help="Directory for setup toaster, default: %s" % DEFAULT_WORK_DIRECTORY)
parser.add_argument("-u", "--url-repository", default=DEFAULT_POKY_URL,
help="GIT repository for setup toaster, default %s" % DEFAULT_POKY_URL)
parser.add_argument("-r", "--revision", default=DEFAULT_POKY_BRANCH,
help="GIT repository revision (branch, tag, hash) for setup toaster" \
", default: %s" % DEFAULT_POKY_BRANCH)
parser.add_argument("-p", "--web-port", default=DEFAULT_WEB_PORT,
help="Web port for start toaster server, default: %s" % DEFAULT_WEB_PORT)
parser.add_argument("-b", "--build-dir", default=TOASTER_BUILD_DIR_NAME,
help="Toaster build directory name, default: %s" % TOASTER_BUILD_DIR_NAME)
args = parser.parse_args()
try:
th = ToasterHelper(args.work_directory, args.url_repository,
args.revision, args.web_port, args.build_dir)
if args.action == 'stop':
th.stop(force=True)
else:
getattr(th, args.action)()
except subprocess.CalledProcessError as e:
print e.output
raise
except IOError as e:
if args.action == 'clone':
print "ERROR: Directory exists: %s" % args.work_directory
raise
sys.exit(0)
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