"""server.serverconfig definition
:organization: Logilab
:copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
"""
__docformat__ = "restructuredtext en"
import os
from os.path import join, exists
from logilab.common.configuration import Method
from logilab.common.decorators import wproperty, cached, clear_cache
from cubicweb import CW_SOFTWARE_ROOT, RegistryNotFound
from cubicweb.toolsutils import env_path, read_config
from cubicweb.cwconfig import CubicWebConfiguration, merge_options
class ServerConfiguration(CubicWebConfiguration):
"""standalone RQL server"""
name = 'repository'
if os.environ.get('APYCOT_ROOT'):
root = os.environ['APYCOT_ROOT']
SCHEMAS_LIB_DIR = '%s/local/share/cubicweb/schemas/' % root
elif CubicWebConfiguration.mode == 'dev':
SCHEMAS_LIB_DIR = join(CW_SOFTWARE_ROOT, 'schemas')
BACKUP_DIR = CubicWebConfiguration.RUNTIME_DIR
else:
SCHEMAS_LIB_DIR = '/usr/share/cubicweb/schemas/'
BACKUP_DIR = '/var/lib/cubicweb/backup/'
cubicweb_vobject_path = CubicWebConfiguration.cubicweb_vobject_path | set(['sobjects'])
cube_vobject_path = CubicWebConfiguration.cube_vobject_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', 'inputlevel': 1,
}),
('pid-file',
{'type' : 'string',
'default': Method('default_pid_file'),
'help': 'repository\'s pid file',
'group': 'main', 'inputlevel': 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', 'inputlevel': (CubicWebConfiguration.mode == 'installed') and 0 or 1,
}),
('session-time',
{'type' : 'int',
'default': 30*60,
'help': 'session expiration time, default to 30 minutes',
'group': 'main', 'inputlevel': 1,
}),
('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', 'inputlevel': 1,
}),
('rql-cache-size',
{'type' : 'int',
'default': 300,
'help': 'size of the parsed rql cache size.',
'group': 'main', 'inputlevel': 1,
}),
# 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', 'inputlevel': 1,
}),
('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', 'inputlevel': 1,
}),
('supervising-addrs',
{'type' : 'csv',
'default': (),
'help': 'comma separated list of email addresses that will be \
notified of every changes.',
'group': 'email', 'inputlevel': 2,
}),
# pyro server.serverconfig
('pyro-port',
{'type' : 'int',
'default': None,
'help': 'Pyro server port. If not set, it will be choosen randomly',
'group': 'pyro-server', 'inputlevel': 2,
}),
('pyro-id', # XXX reuse pyro-application-id
{'type' : 'string',
'default': None,
'help': 'identifier of the repository in the pyro name server',
'group': 'pyro-server', 'inputlevel': 2,
}),
) + CubicWebConfiguration.options)
# read the schema from the database
read_application_schema = True
bootstrap_schema = True
# check user's state at login time
consider_user_state = True
# hooks registration configuration
# all hooks should be activated during normal execution
core_hooks = True
usergroup_hooks = True
schema_hooks = True
notification_hooks = True
security_hooks = True
application_hooks = 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')
@classmethod
def schemas_lib_dir(cls):
"""application schema directory"""
return env_path('CW_SCHEMA_LIB', cls.SCHEMAS_LIB_DIR, 'schemas')
@classmethod
def backup_dir(cls):
"""backup directory where a stored db backups before migration"""
return env_path('CW_BACKUP', cls.BACKUP_DIR, 'run time')
def bootstrap_cubes(self):
from logilab.common.textutils import get_csv
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(get_csv(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 sources(self):
"""return a dictionnaries containing sources definitions indexed by
sources'uri
"""
allsources = read_config(self.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 pyro_enabled(self):
"""pyro is always enabled in standalone repository configuration"""
return True
def load_hooks(self, vreg):
hooks = {}
for path in reversed([self.apphome] + self.cubes_path()):
hooksfile = join(path, 'application_hooks.py')
if exists(hooksfile):
self.warning('application_hooks.py is deprecated, use dynamic '
'objects to register hooks (%s)', hooksfile)
context = {}
# Use execfile rather than `load_module_from_name` because
# the latter gets fooled by the `sys.modules` cache when
# loading different configurations one after the other
# (another fix would have been to do :
# sys.modules.pop('applications_hooks')
# or to modify load_module_from_name so that it provides
# a use_cache optional parameter
execfile(hooksfile, context, context)
for event, hooksdef in context['HOOKS'].items():
for ertype, hookcbs in hooksdef.items():
hooks.setdefault(event, {}).setdefault(ertype, []).extend(hookcbs)
try:
apphookdefs = vreg.registry_objects('hooks')
except RegistryNotFound:
return hooks
for hookdef in apphookdefs:
for event, ertype in hookdef.register_to():
if ertype == 'Any':
ertype = ''
cb = hookdef.make_callback(event)
hooks.setdefault(event, {}).setdefault(ertype, []).append(cb)
return hooks
def load_schema(self, expand_cubes=False):
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)
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):
"""return a migration handler instance"""
from cubicweb.server.migractions import ServerMigrationHelper
return ServerMigrationHelper(self, schema, interactive=interactive,
cnx=cnx, repo=repo, connect=connect,
verbosity=getattr(self, 'verbosity', 0))