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#!/usr/bin/env python2
#
# Copyright 2010 Google Inc. All Rights Reserved.
"""Module for transferring files between various types of repositories."""
from __future__ import print_function
__author__ = 'asharif@google.com (Ahmad Sharif)'
import argparse
import datetime
import json
import os
import re
import socket
import sys
import tempfile
from automation.clients.helper import perforce
from cros_utils import command_executer
from cros_utils import logger
from cros_utils import misc
# pylint: disable=anomalous-backslash-in-string
def GetCanonicalMappings(mappings):
canonical_mappings = []
for mapping in mappings:
remote_path, local_path = mapping.split()
if local_path.endswith('/') and not remote_path.endswith('/'):
local_path = os.path.join(local_path, os.path.basename(remote_path))
remote_path = remote_path.lstrip('/').split('/', 1)[1]
canonical_mappings.append(perforce.PathMapping(remote_path, local_path))
return canonical_mappings
def SplitMapping(mapping):
parts = mapping.split()
assert len(parts) <= 2, 'Mapping %s invalid' % mapping
remote_path = parts[0]
if len(parts) == 2:
local_path = parts[1]
else:
local_path = '.'
return remote_path, local_path
class Repo(object):
"""Basic repository base class."""
def __init__(self, no_create_tmp_dir=False):
self.repo_type = None
self.address = None
self.mappings = None
self.revision = None
self.ignores = ['.gitignore', '.p4config', 'README.google']
if no_create_tmp_dir:
self._root_dir = None
else:
self._root_dir = tempfile.mkdtemp()
self._ce = command_executer.GetCommandExecuter()
self._logger = logger.GetLogger()
def PullSources(self):
"""Pull all sources into an internal dir."""
pass
def SetupForPush(self):
"""Setup a repository for pushing later."""
pass
def PushSources(self, commit_message=None, dry_run=False, message_file=None):
"""Push to the external repo with the commit message."""
pass
def _RsyncExcludingRepoDirs(self, source_dir, dest_dir):
for f in os.listdir(source_dir):
if f in ['.git', '.svn', '.p4config']:
continue
dest_file = os.path.join(dest_dir, f)
source_file = os.path.join(source_dir, f)
if os.path.exists(dest_file):
command = 'rm -rf %s' % dest_file
self._ce.RunCommand(command)
command = 'rsync -a %s %s' % (source_file, dest_dir)
self._ce.RunCommand(command)
return 0
def MapSources(self, dest_dir):
"""Copy sources from the internal dir to root_dir."""
return self._RsyncExcludingRepoDirs(self._root_dir, dest_dir)
def GetRoot(self):
return self._root_dir
def SetRoot(self, directory):
self._root_dir = directory
def CleanupRoot(self):
command = 'rm -rf %s' % self._root_dir
return self._ce.RunCommand(command)
def __str__(self):
return '\n'.join(
str(s) for s in [self.repo_type, self.address, self.mappings])
# Note - this type of repo is used only for "readonly", in other words, this
# only serves as a incoming repo.
class FileRepo(Repo):
"""Class for file repositories."""
def __init__(self, address, ignores=None):
Repo.__init__(self, no_create_tmp_dir=True)
self.repo_type = 'file'
self.address = address
self.mappings = None
self.branch = None
self.revision = '{0} (as of "{1}")'.format(address, datetime.datetime.now())
self.gerrit = None
self._root_dir = self.address
if ignores:
self.ignores += ignores
def CleanupRoot(self):
"""Override to prevent deletion."""
pass
class P4Repo(Repo):
"""Class for P4 repositories."""
def __init__(self, address, mappings, revision=None):
Repo.__init__(self)
self.repo_type = 'p4'
self.address = address
self.mappings = mappings
self.revision = revision
def PullSources(self):
client_name = socket.gethostname()
client_name += tempfile.mkstemp()[1].replace('/', '-')
mappings = self.mappings
p4view = perforce.View('depot2', GetCanonicalMappings(mappings))
p4client = perforce.CommandsFactory(
self._root_dir, p4view, name=client_name)
command = p4client.SetupAndDo(p4client.Sync(self.revision))
ret = self._ce.RunCommand(command)
assert ret == 0, 'Could not setup client.'
command = p4client.InCheckoutDir(p4client.SaveCurrentCLNumber())
ret, o, _ = self._ce.RunCommandWOutput(command)
assert ret == 0, 'Could not get version from client.'
self.revision = re.search('^\d+$', o.strip(), re.MULTILINE).group(0)
command = p4client.InCheckoutDir(p4client.Remove())
ret = self._ce.RunCommand(command)
assert ret == 0, 'Could not delete client.'
return 0
class SvnRepo(Repo):
"""Class for svn repositories."""
def __init__(self, address, mappings):
Repo.__init__(self)
self.repo_type = 'svn'
self.address = address
self.mappings = mappings
def PullSources(self):
with misc.WorkingDirectory(self._root_dir):
for mapping in self.mappings:
remote_path, local_path = SplitMapping(mapping)
command = 'svn co %s/%s %s' % (self.address, remote_path, local_path)
ret = self._ce.RunCommand(command)
if ret:
return ret
self.revision = ''
for mapping in self.mappings:
remote_path, local_path = SplitMapping(mapping)
command = 'cd %s && svnversion -c .' % (local_path)
ret, o, _ = self._ce.RunCommandWOutput(command)
self.revision += o.strip().split(':')[-1]
if ret:
return ret
return 0
class GitRepo(Repo):
"""Class for git repositories."""
def __init__(self, address, branch, mappings=None, ignores=None, gerrit=None):
Repo.__init__(self)
self.repo_type = 'git'
self.address = address
self.branch = branch or 'master'
if ignores:
self.ignores += ignores
self.mappings = mappings
self.gerrit = gerrit
def _CloneSources(self):
with misc.WorkingDirectory(self._root_dir):
command = 'git clone %s .' % (self.address)
return self._ce.RunCommand(command)
def PullSources(self):
with misc.WorkingDirectory(self._root_dir):
ret = self._CloneSources()
if ret:
return ret
command = 'git checkout %s' % self.branch
ret = self._ce.RunCommand(command)
if ret:
return ret
command = 'git describe --always'
ret, o, _ = self._ce.RunCommandWOutput(command)
self.revision = o.strip()
return ret
def SetupForPush(self):
with misc.WorkingDirectory(self._root_dir):
ret = self._CloneSources()
logger.GetLogger().LogFatalIf(
ret, 'Could not clone git repo %s.' % self.address)
command = 'git branch -a | grep -wq %s' % self.branch
ret = self._ce.RunCommand(command)
if ret == 0:
if self.branch != 'master':
command = ('git branch --track %s remotes/origin/%s' % (self.branch,
self.branch))
else:
command = 'pwd'
command += '&& git checkout %s' % self.branch
else:
command = 'git symbolic-ref HEAD refs/heads/%s' % self.branch
command += '&& rm -rf *'
ret = self._ce.RunCommand(command)
return ret
def CommitLocally(self, commit_message=None, message_file=None):
with misc.WorkingDirectory(self._root_dir):
command = 'pwd'
for ignore in self.ignores:
command += '&& echo \'%s\' >> .git/info/exclude' % ignore
command += '&& git add -Av .'
if message_file:
message_arg = '-F %s' % message_file
elif commit_message:
message_arg = '-m \'%s\'' % commit_message
else:
raise RuntimeError('No commit message given!')
command += '&& git commit -v %s' % message_arg
return self._ce.RunCommand(command)
def PushSources(self, commit_message=None, dry_run=False, message_file=None):
ret = self.CommitLocally(commit_message, message_file)
if ret:
return ret
push_args = ''
if dry_run:
push_args += ' -n '
with misc.WorkingDirectory(self._root_dir):
if self.gerrit:
label = 'somelabel'
command = 'git remote add %s %s' % (label, self.address)
command += ('&& git push %s %s HEAD:refs/for/master' % (push_args,
label))
else:
command = 'git push -v %s origin %s:%s' % (push_args, self.branch,
self.branch)
ret = self._ce.RunCommand(command)
return ret
def MapSources(self, root_dir):
if not self.mappings:
self._RsyncExcludingRepoDirs(self._root_dir, root_dir)
return
with misc.WorkingDirectory(self._root_dir):
for mapping in self.mappings:
remote_path, local_path = SplitMapping(mapping)
remote_path.rstrip('...')
local_path.rstrip('...')
full_local_path = os.path.join(root_dir, local_path)
ret = self._RsyncExcludingRepoDirs(remote_path, full_local_path)
if ret:
return ret
return 0
class RepoReader(object):
"""Class for reading repositories."""
def __init__(self, filename):
self.filename = filename
self.main_dict = {}
self.input_repos = []
self.output_repos = []
def ParseFile(self):
with open(self.filename) as f:
self.main_dict = json.load(f)
self.CreateReposFromDict(self.main_dict)
return [self.input_repos, self.output_repos]
def CreateReposFromDict(self, main_dict):
for key, repo_list in main_dict.items():
for repo_dict in repo_list:
repo = self.CreateRepoFromDict(repo_dict)
if key == 'input':
self.input_repos.append(repo)
elif key == 'output':
self.output_repos.append(repo)
else:
logger.GetLogger().LogFatal('Unknown key: %s found' % key)
def CreateRepoFromDict(self, repo_dict):
repo_type = repo_dict.get('type', None)
repo_address = repo_dict.get('address', None)
repo_mappings = repo_dict.get('mappings', None)
repo_ignores = repo_dict.get('ignores', None)
repo_branch = repo_dict.get('branch', None)
gerrit = repo_dict.get('gerrit', None)
revision = repo_dict.get('revision', None)
if repo_type == 'p4':
repo = P4Repo(repo_address, repo_mappings, revision=revision)
elif repo_type == 'svn':
repo = SvnRepo(repo_address, repo_mappings)
elif repo_type == 'git':
repo = GitRepo(
repo_address,
repo_branch,
mappings=repo_mappings,
ignores=repo_ignores,
gerrit=gerrit)
elif repo_type == 'file':
repo = FileRepo(repo_address)
else:
logger.GetLogger().LogFatal('Unknown repo type: %s' % repo_type)
return repo
@logger.HandleUncaughtExceptions
def Main(argv):
parser = argparse.ArgumentParser()
parser.add_argument(
'-i',
'--input_file',
dest='input_file',
help='The input file that contains repo descriptions.')
parser.add_argument(
'-n',
'--dry_run',
dest='dry_run',
action='store_true',
default=False,
help='Do a dry run of the push.')
parser.add_argument(
'-F',
'--message_file',
dest='message_file',
default=None,
help=('Use contents of the log file as the commit '
'message.'))
options = parser.parse_args(argv)
if not options.input_file:
parser.print_help()
return 1
rr = RepoReader(options.input_file)
[input_repos, output_repos] = rr.ParseFile()
# Make sure FileRepo is not used as output destination.
for output_repo in output_repos:
if output_repo.repo_type == 'file':
logger.GetLogger().LogFatal(
'FileRepo is only supported as an input repo.')
for output_repo in output_repos:
ret = output_repo.SetupForPush()
if ret:
return ret
input_revisions = []
for input_repo in input_repos:
ret = input_repo.PullSources()
if ret:
return ret
input_revisions.append(input_repo.revision)
for input_repo in input_repos:
for output_repo in output_repos:
ret = input_repo.MapSources(output_repo.GetRoot())
if ret:
return ret
commit_message = 'Synced repos to: %s' % ','.join(input_revisions)
for output_repo in output_repos:
ret = output_repo.PushSources(
commit_message=commit_message,
dry_run=options.dry_run,
message_file=options.message_file)
if ret:
return ret
if not options.dry_run:
for output_repo in output_repos:
output_repo.CleanupRoot()
for input_repo in input_repos:
input_repo.CleanupRoot()
return ret
if __name__ == '__main__':
retval = Main(sys.argv[1:])
sys.exit(retval)
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