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vcs_performance.py
305 lines | 8.8 KiB | text/x-python | PythonLexer
project: added all source files and assets
r1 # -*- coding: utf-8 -*-
release: update copyright year to 2018
r2487 # Copyright (C) 2016-2018 RhodeCode GmbH
project: added all source files and assets
r1 #
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), 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 Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
"""
VCS Performance measurement tool
Usage:
- Check that required vcs keys can be found in ~/.hgrc and ~/.netrc
- Start a local instance of RhodeCode Enterprise
- Launch the script:
TMPDIR=/tmp python vcs_performance.py \
--host=http://vm:5000 \
--api-key=55c4a33688577da24183dcac5fde4dddfdbf18dc \
--commits=10 --repositories=100 --log-level=info
"""
import argparse
import functools
import logging
import os
import shutil
Martin Bornhold
subprocess: Change all imports from `subprocess` -> `subprocess32`
r1007 import subprocess32
project: added all source files and assets
r1 import tempfile
import time
from itertools import chain
from api import RCApi, ApiError
log = logging.getLogger(__name__)
def timed(f):
"""Decorator that returns the time it took to execute the function."""
@functools.wraps(f)
def wrapped_f(*args, **kwargs):
start_time = time.time()
try:
f(*args, **kwargs)
finally:
return time.time() - start_time
return wrapped_f
def mean(container):
"""Return the mean of the container."""
if not container:
return -1.0
return sum(container) / len(container)
class Config(object):
args = None
def __init__(self):
parser = argparse.ArgumentParser(description='Runs VCS load tests')
parser.add_argument(
'--host', dest='host', action='store', required=True,
help='RhodeCode Enterprise host')
parser.add_argument(
'--api-key', dest='api_key', action='store', required=True,
help='API Key')
parser.add_argument(
'--file-size', dest='file_size', action='store', required=False,
default=1, type=int, help='File size in MB')
parser.add_argument(
'--repositories', dest='repositories', action='store',
required=False, default=1, type=int,
help='Number of repositories')
parser.add_argument(
'--commits', dest='commits', action='store', required=False,
default=1, type=int, help='Number of commits')
parser.add_argument(
'--log-level', dest='log_level', action='store', required=False,
default='error', help='Logging level')
self.args = parser.parse_args()
def __getattr__(self, attr):
return getattr(self.args, attr)
class Repository(object):
FILE_NAME_TEMPLATE = "test_{:09d}.bin"
def __init__(self, name, base_path, api):
self.name = name
self.path = os.path.join(base_path, name)
self.api = api
def create(self):
self._create_filesystem_repo(self.path)
try:
self.url = self.api.create_repo(
self.name, self.TYPE, 'Performance tests')
except ApiError as e:
log.error('api: {}'.format(e))
def delete(self):
self._delete_filesystem_repo()
try:
self.api.delete_repo(self.name)
except ApiError as e:
log.error('api: {}'.format(e))
def create_commits(self, number, file_size):
for i in xrange(number):
file_name = self.FILE_NAME_TEMPLATE.format(i)
log.debug("Create commit {}".format(file_name))
self._create_file(file_name, file_size)
self._create_commit(file_name)
@timed
def push(self):
raise NotImplementedError()
@timed
def clone(self, destination_path):
raise NotImplementedError()
@timed
def pull(self):
raise NotImplementedError()
def _run(self, *args):
command = [self.BASE_COMMAND] + list(args)
Martin Bornhold
subprocess: Change all imports from `subprocess` -> `subprocess32`
r1007 process = subprocess32.Popen(
command, stdout=subprocess32.PIPE, stderr=subprocess32.PIPE)
project: added all source files and assets
r1 return process.communicate()
def _create_file(self, name, size):
file_name = os.path.join(self.path, name)
with open(file_name, 'wb') as f:
f.write(os.urandom(1024))
def _delete_filesystem_repo(self):
shutil.rmtree(self.path)
def _create_filesystem_repo(self, path):
raise NotImplementedError()
def _create_commit(self, file_name):
raise NotImplementedError()
class GitRepository(Repository):
TYPE = 'git'
BASE_COMMAND = 'git'
@timed
def push(self):
os.chdir(self.path)
self._run('push', '--set-upstream', self.url, 'master')
@timed
def clone(self, destination_path):
self._run('clone', self.url, os.path.join(destination_path, self.name))
@timed
def pull(self, destination_path):
path = os.path.join(destination_path, self.name)
self._create_filesystem_repo(path)
os.chdir(path)
self._run('remote', 'add', 'origin', self.url)
self._run('pull', 'origin', 'master')
def _create_filesystem_repo(self, path):
self._run('init', path)
def _create_commit(self, file_name):
os.chdir(self.path)
self._run('add', file_name)
self._run('commit', file_name, '-m', '"Add {}"'.format(file_name))
class HgRepository(Repository):
TYPE = 'hg'
BASE_COMMAND = 'hg'
@timed
def push(self):
os.chdir(self.path)
self._run('push', self.url)
@timed
def clone(self, destination_path):
self._run('clone', self.url, os.path.join(destination_path, self.name))
@timed
def pull(self, destination_path):
path = os.path.join(destination_path, self.name)
self._create_filesystem_repo(path)
os.chdir(path)
self._run('pull', '-r', 'tip', self.url)
def _create_filesystem_repo(self, path):
self._run('init', path)
def _create_commit(self, file_name):
os.chdir(self.path)
self._run('add', file_name)
self._run('commit', file_name, '-m', '"Add {}"'.format(file_name))
class Benchmark(object):
REPO_CLASSES = {
'git': GitRepository,
'hg': HgRepository
}
REPO_NAME = '{}_performance_{:03d}'
def __init__(self, config):
self.api = RCApi(api_key=config.api_key, rc_endpoint=config.host)
self.source_path = tempfile.mkdtemp(suffix='vcsperformance')
self.config = config
self.git_repos = []
self.hg_repos = []
self._set_log_level()
def start(self):
self._create_repos()
repos = {
'git': self.git_repos,
'hg': self.hg_repos
}
clone_destination_path = tempfile.mkdtemp(suffix='clone')
pull_destination_path = tempfile.mkdtemp(suffix='pull')
operations = [
('push', ),
('clone', clone_destination_path),
('pull', pull_destination_path)
]
for operation in operations:
for type_ in repos:
times = self._measure(repos[type_], *operation)
print("Mean {} {} time: {:.3f} sec.".format(
type_, operation[0], mean(times)))
def cleanup(self):
log.info("Cleaning up...")
for repo in chain(self.git_repos, self.hg_repos):
repo.delete()
def _measure(self, repos, operation, *args):
times = []
for repo in repos:
method = getattr(repo, operation)
times.append(method(*args))
return times
def _create_repos(self):
log.info("Creating repositories...")
for i in xrange(self.config.repositories):
self.git_repos.append(self._create_repo('git', i))
self.hg_repos.append(self._create_repo('hg', i))
def _create_repo(self, type_, id_):
RepoClass = self.REPO_CLASSES[type_]
repo = RepoClass(
self.REPO_NAME.format(type_, id_), self.source_path, self.api)
repo.create()
repo.create_commits(self.config.commits, self.config.file_size)
return repo
def _set_log_level(self):
try:
log_level = getattr(logging, config.log_level.upper())
except:
log_level = logging.ERROR
handler = logging.StreamHandler()
log.addHandler(handler)
log.setLevel(log_level)
if __name__ == '__main__':
config = Config()
benchmark = Benchmark(config)
try:
benchmark.start()
finally:
benchmark.cleanup()