def _do_command(self):
"""Implements CommandProcessor interface."""
self._ensure_templates_directory()
redis_service = 'redis-server'
start_redis = run_subprocess(
'sudo service {redis} start'.format(redis=redis_service))[0] != 0
logging.debug('redis-server %s running.',
'IS NOT' if start_redis else 'IS')
try:
if start_redis:
check_subprocess(
'sudo service {redis} start'.format(redis=redis_service))
super(GenerateApiDocsCommand, self)._do_command()
finally:
if start_redis:
# pylint: disable=broad-except
try:
check_subprocess('sudo service {redis} stop'.format(
redis=redis_service))
except Exception as ex:
maybe_log_exception(
self.name, ex,
'Ignoring exception while stopping temporary {name}.'.
format(name=redis_service))
def __check_clone_branch(self, origin_url, git_command, branches):
remaining_branches = list(branches)
while True:
branch = remaining_branches.pop(0)
cmd = '{git} -b {branch}'.format(git=git_command, branch=branch)
retcode, stdout = run_subprocess(cmd)
if not retcode:
return
not_found = stdout.find(
'Remote branch {branch} not found'.format(branch=branch)) >= 0
if not not_found:
raise CalledProcessError(cmd=cmd,
returncode=retcode,
output=stdout)
if remaining_branches:
logging.warning(
'Branch %s does not exist in %s. Retry with %s', branch,
origin_url, remaining_branches[0])
continue
lines = stdout.split('\n')
if len(lines) > 10:
lines = lines[-10:]
stdout = '\n '.join(lines)
logging.error('%s failed with last %d lines:\n %s', cmd,
len(lines), stdout)
raise ValueError('Branches {0} do not exist in {1}.'.format(
branches, origin_url))
def query_local_repository_branch(self, git_dir):
"""Returns the branch for the repository at git_dir."""
returncode, stdout = run_subprocess(
'git -C "{dir}" rev-parse --abbrev-ref HEAD'.format(dir=git_dir))
if returncode:
error = 'Could not determine branch: ' + stdout
raise RuntimeError(error + ' in ' + git_dir)
return stdout
def refresh_local_repository(self, git_dir, remote_name, branch):
"""Refreshes the given local repository from the remote one.
Args:
git_dir: [string] Which local repository to update.
remote_name: [remote_name] Which remote repository to pull from.
branch: [string] Which branch to pull.
"""
repository_name = os.path.basename(git_dir)
# pylint: disable=unused-variable
retcode, stdout = run_subprocess(
'git -C "{dir}" remote -v | egrep "^{which}.*\\(fetch\\)$"'.format(
dir=git_dir, which=remote_name))
if not stdout:
logging.warning(
'Skipping pull {remote_name} {branch} in {repository} because'
' it does not have a remote "{remote_name}"'.format(
remote_name=remote_name,
branch=branch,
repository=repository_name))
return
local_branch = self.query_local_repository_branch(git_dir)
if local_branch != branch:
logging.warning(
'Skipping pull {remote_name} {branch} in {repository} because'
' its in branch={local_branch}'.format(
remote_name=remote_name,
branch=branch,
repository=repository_name,
local_branch=local_branch))
return
try:
logging.debug('Refreshing %s from %s branch %s', git_dir,
remote_name, branch)
command = 'git -C "{dir}" pull {remote_name} {branch} --tags'.format(
dir=git_dir, remote_name=remote_name, branch=branch)
result = check_subprocess(command)
logging.info('%s:\n%s', repository_name, result)
except RuntimeError:
result = check_subprocess(
'git -C "{dir}" branch -r'.format(dir=git_dir))
if result.find('{which}/{branch}\n'.format(which=remote_name,
branch=branch)) >= 0:
raise
logging.warning(
'WARNING {name} branch={branch} is not known to {which}.\n'.
format(name=repository_name, branch=branch, which=remote_name))
def run_git(self, git_dir, command, **kwargs):
"""Wrapper around run_subprocess."""
self.__inject_auth(kwargs)
return run_subprocess(
'git -C "{dir}" {command}'.format(dir=git_dir, command=command),
**kwargs)
