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# Copyright (C) 2009-2015 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
import logging
import obnamlib
class RepositoryAccessError(obnamlib.ObnamError):
msg = 'Repository does not exist or cannot be accessed: {error}'
class ForceLockPlugin(obnamlib.ObnamPlugin):
def enable(self):
self.app.add_subcommand('force-lock', self.force_lock)
self.app.add_subcommand('_lock', self.lock, hidden=True)
def force_lock(self, args):
'''Force a locked repository to be open.'''
self.app.settings.require('repository')
repourl = self.app.settings['repository']
client_name = self.app.settings['client-name']
logging.info('Forcing lock')
logging.info('Repository: %s', repourl)
try:
repo = self.app.get_repository_object()
except OSError, e:
raise RepositoryAccessError(error=str(e))
repo.force_client_list_lock()
for client_name in repo.get_client_names():
repo.force_client_lock(client_name)
repo.force_chunk_indexes_lock()
repo.close()
return 0
def lock(self, args):
'''Add locks to the repository.
This is a hidden command meant for use in testing only.
'''
self.app.settings.require('repository')
repourl = self.app.settings['repository']
client_name = self.app.settings['client-name']
logging.info('Creating lock')
logging.info('Repository: %s', repourl)
logging.info('Client: %s', client_name)
try:
repo = self.app.get_repository_object()
except OSError, e:
raise RepositoryAccessError(error=str(e))
repo.lock_client_list()
if client_name:
repo.lock_client(client_name)
repo.lock_chunk_indexes()
repo.close()
return 0
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