# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
"""server.serverconfig definition
"""
__docformat__ = "restructuredtext en"
from os.path import join, exists
from logilab.common.configuration import REQUIRED, Method, Configuration, \
ini_format_section
from logilab.common.decorators import wproperty, cached, clear_cache
from cubicweb.toolsutils import read_config, restrict_perms_to_user
from cubicweb.cwconfig import CubicWebConfiguration, merge_options
from cubicweb.server import SOURCE_TYPES
USER_OPTIONS = (
('login', {'type' : 'string',
'default': 'admin',
'help': "cubicweb manager account's login "
'(this user will be created)',
'level': 0,
}),
('password', {'type' : 'password',
'default': REQUIRED,
'help': "cubicweb manager account's password",
'level': 0,
}),
)
class SourceConfiguration(Configuration):
def __init__(self, appid, options):
self.appid = appid # has to be done before super call
super(SourceConfiguration, self).__init__(options=options)
# make Method('default_instance_id') usable in db option defs (in native.py)
def default_instance_id(self):
return self.appid
def generate_sources_file(appid, sourcesfile, sourcescfg, keys=None):
"""serialize repository'sources configuration into a INI like file
the `keys` parameter may be used to sort sections
"""
if keys is None:
keys = sourcescfg.keys()
else:
for key in sourcescfg:
if not key in keys:
keys.append(key)
stream = open(sourcesfile, 'w')
for uri in keys:
sconfig = sourcescfg[uri]
if isinstance(sconfig, dict):
# get a Configuration object
if uri == 'admin':
options = USER_OPTIONS
else:
options = SOURCE_TYPES[sconfig['adapter']].options
_sconfig = SourceConfiguration(appid, options=options)
for attr, val in sconfig.items():
if attr == 'uri':
continue
if attr == 'adapter':
_sconfig.adapter = val
else:
_sconfig.set_option(attr, val)
sconfig = _sconfig
optsbysect = list(sconfig.options_by_section())
assert len(optsbysect) == 1, 'all options for a source should be in the same group'
ini_format_section(stream, uri, optsbysect[0][1])
if hasattr(sconfig, 'adapter'):
print >> stream
print >> stream, '# adapter for this source (YOU SHOULD NOT CHANGE THIS)'
print >> stream, 'adapter=%s' % sconfig.adapter
print >> stream
class ServerConfiguration(CubicWebConfiguration):
"""standalone RQL server"""
name = 'repository'
cubicweb_appobject_path = CubicWebConfiguration.cubicweb_appobject_path | set(['sobjects', 'hooks'])
cube_appobject_path = CubicWebConfiguration.cube_appobject_path | set(['sobjects', 'hooks'])
options = merge_options((
# ctl configuration
('host',
{'type' : 'string',
'default': None,
'help': 'host name if not correctly detectable through gethostname',
'group': 'main', 'level': 1,
}),
('pid-file',
{'type' : 'string',
'default': Method('default_pid_file'),
'help': 'repository\'s pid file',
'group': 'main', 'level': 2,
}),
('uid',
{'type' : 'string',
'default': None,
'help': 'if this option is set, use the specified user to start \
the repository rather than the user running the command',
'group': 'main', 'level': (CubicWebConfiguration.mode == 'installed') and 0 or 1,
}),
('session-time',
{'type' : 'time',
'default': '30min',
'help': 'session expiration time, default to 30 minutes',
'group': 'main', 'level': 3,
}),
('connections-pool-size',
{'type' : 'int',
'default': 4,
'help': 'size of the connections pools. Each source supporting multiple \
connections will have this number of opened connections.',
'group': 'main', 'level': 3,
}),
('rql-cache-size',
{'type' : 'int',
'default': 300,
'help': 'size of the parsed rql cache size.',
'group': 'main', 'level': 3,
}),
('undo-support',
{'type' : 'string', 'default': '',
'help': 'string defining actions that will have undo support: \
[C]reate [U]pdate [D]elete entities / [A]dd [R]emove relation. Leave it empty \
for no undo support, set it to CUDAR for full undo support, or to DR for \
support undoing of deletion only.',
'group': 'main', 'level': 3,
}),
('keep-transaction-lifetime',
{'type' : 'int', 'default': 7,
'help': 'number of days during which transaction records should be \
kept (hence undoable).',
'group': 'main', 'level': 3,
}),
('multi-sources-etypes',
{'type' : 'csv', 'default': (),
'help': 'defines which entity types from this repository are used \
by some other instances. You should set this properly so those instances to \
detect updates / deletions.',
'group': 'main', 'level': 3,
}),
('delay-full-text-indexation',
{'type' : 'yn', 'default': False,
'help': 'When full text indexation of entity has a too important cost'
' to be done when entity are added/modified by users, activate this '
'option and setup a job using cubicweb-ctl db-rebuild-fti on your '
'system (using cron for instance).',
'group': 'main', 'level': 3,
}),
# email configuration
('default-recipients-mode',
{'type' : 'choice',
'choices' : ('default-dest-addrs', 'users', 'none'),
'default': 'default-dest-addrs',
'help': 'when a notification should be sent with no specific rules \
to find recipients, recipients will be found according to this mode. Available \
modes are "default-dest-addrs" (emails specified in the configuration \
variable with the same name), "users" (every users which has activated \
account with an email set), "none" (no notification).',
'group': 'email', 'level': 2,
}),
('default-dest-addrs',
{'type' : 'csv',
'default': (),
'help': 'comma separated list of email addresses that will be used \
as default recipient when an email is sent and the notification has no \
specific recipient rules.',
'group': 'email', 'level': 2,
}),
('supervising-addrs',
{'type' : 'csv',
'default': (),
'help': 'comma separated list of email addresses that will be \
notified of every changes.',
'group': 'email', 'level': 2,
}),
# pyro server.serverconfig
('pyro-host',
{'type' : 'string',
'default': None,
'help': 'Pyro server host, if not detectable correctly through \
gethostname(). It may contains port information using <host>:<port> notation, \
and if not set, it will be choosen randomly',
'group': 'pyro', 'level': 3,
}),
) + CubicWebConfiguration.options)
# should we open connections pools (eg connect to sources). This is usually
# necessary...
open_connections_pools = True
# read the schema from the database
read_instance_schema = True
# set to true while creating an instance
creating = False
# set this to true to get a minimal repository, for instance to get cubes
# information on commands such as i18ninstance, db-restore, etc...
quick_start = False
# check user's state at login time
consider_user_state = True
# should some hooks be deactivated during [pre|post]create script execution
free_wheel = False
# list of enables sources when sources restriction is necessary
# (eg repository initialization at least)
_enabled_sources = None
@wproperty
def enabled_sources(self, sourceuris=None):
self._enabled_sources = sourceuris
clear_cache(self, 'sources')
def bootstrap_cubes(self):
from logilab.common.textutils import splitstrip
for line in file(join(self.apphome, 'bootstrap_cubes')):
line = line.strip()
if not line or line.startswith('#'):
continue
self.init_cubes(self.expand_cubes(splitstrip(line)))
break
else:
# no cubes
self.init_cubes(())
def write_bootstrap_cubes_file(self, cubes):
stream = file(join(self.apphome, 'bootstrap_cubes'), 'w')
stream.write('# this is a generated file only used for bootstraping\n')
stream.write('# you should not have to edit this\n')
stream.write('%s\n' % ','.join(cubes))
stream.close()
def sources_file(self):
return join(self.apphome, 'sources')
# this method has to be cached since when the server is running using a
# restricted user, this user usually don't have access to the sources
# configuration file (#16102)
@cached
def read_sources_file(self):
return read_config(self.sources_file())
def sources(self):
"""return a dictionnaries containing sources definitions indexed by
sources'uri
"""
allsources = self.read_sources_file()
if self._enabled_sources is None:
return allsources
return dict((uri, config) for uri, config in allsources.items()
if uri in self._enabled_sources or uri == 'admin')
def write_sources_file(self, sourcescfg):
sourcesfile = self.sources_file()
if exists(sourcesfile):
import shutil
shutil.copy(sourcesfile, sourcesfile + '.bak')
generate_sources_file(self.appid, sourcesfile, sourcescfg,
['admin', 'system'])
restrict_perms_to_user(sourcesfile)
def pyro_enabled(self):
"""pyro is always enabled in standalone repository configuration"""
return True
def load_schema(self, expand_cubes=False, **kwargs):
from cubicweb.schema import CubicWebSchemaLoader
if expand_cubes:
# in case some new dependencies have been introduced, we have to
# reinitialize cubes so the full filesystem schema is read
origcubes = self.cubes()
self._cubes = None
self.init_cubes(self.expand_cubes(origcubes))
schema = CubicWebSchemaLoader().load(self, **kwargs)
if expand_cubes:
# restaure original value
self._cubes = origcubes
return schema
def load_bootstrap_schema(self):
from cubicweb.schema import BootstrapSchemaLoader
schema = BootstrapSchemaLoader().load(self)
schema.name = 'bootstrap'
return schema
def set_sources_mode(self, sources):
if 'migration' in sources:
from cubicweb.server.sources import source_adapter
assert len(sources) == 1
enabled_sources = []
for uri, config in self.sources().iteritems():
if uri == 'admin':
continue
if source_adapter(config).connect_for_migration:
enabled_sources.append(uri)
else:
print 'not connecting to source', uri, 'during migration'
elif 'all' in sources:
assert len(sources) == 1
enabled_sources = None
else:
known_sources = self.sources()
for uri in sources:
assert uri in known_sources, uri
enabled_sources = sources
self._enabled_sources = enabled_sources
clear_cache(self, 'sources')
def migration_handler(self, schema=None, interactive=True,
cnx=None, repo=None, connect=True, verbosity=None):
"""return a migration handler instance"""
from cubicweb.server.migractions import ServerMigrationHelper
if verbosity is None:
verbosity = getattr(self, 'verbosity', 0)
return ServerMigrationHelper(self, schema, interactive=interactive,
cnx=cnx, repo=repo, connect=connect,
verbosity=verbosity)