tmp => /tmp

README.md

@@ -29,23 +29,26 @@ psql -U postgres -h localhost -c "GRANT ALL ON DATABASE risotto TO risotto;"
 #psql -U postgres -h localhost -c "CREATE EXTENSION hstore;" risotto
 ```
 
-Gestion de la base de données avec Sqitch
+Gestion de la base de données
 
-```
-cpanm --quiet --notest App::Sqitch
-sqitch init risotto --uri https://forge.cadoles.com/Infra/risotto --engine pg
-```
-
-
-Commande :
+La plupart des services se greffant à risotto nécessite une table dans la base de données risotto.
+Chacun de ces services documente la structure de la table mais ne se charge pas de sa création.
+La création de la table, selon le schéma fournit dans la documentation, est à la charge de l’administrateur du système.
 
 # Empty database:
-su - postgres
-psql -U postgres risotto
-drop table log; drop table userrole; drop table release; drop table source; drop table server; drop table servermodel; drop table applicationservice; drop table roleuri;  drop table risottouser; drop table uri;
 
+````
+psql -U postgres
+drop database risotto;
+drop user risotto;
+\q
+reconfigure
+```
+
+```
 psql -U postgres tiramisu
 drop table value; drop table property; drop table permissive; drop table information; drop table session;
+```
 
 # Import EOLE
 ./script/cucchiaiata source.create -n eole -u http://localhost

Vocabulary.txt

@@ -1,6 +1,10 @@
 Message
 =======
 
-message: config.session.server.start
-version: v1
 uri: v1.config.session.server.start
+version: v1
+module: config
+submodule: session
+message: config.session.server.start
+submessage: session.server.start
+subsubmessage: server.start

debian/agpl-3

@@ -0,0 +1,662 @@
+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
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+
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+the GNU Affero General Public License from time to time.  Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<https://www.gnu.org/licenses/>.
+

debian/changelog

@@ -0,0 +1,5 @@
+risotto (0.1) unstable; urgency=low
+
+  * first version
+
+ -- Cadoles <contact@cadoles.com>  Fri, 20 Mar 2020 15:18:25 +0100

debian/compat

@@ -0,0 +1 @@
+11

debian/control

@@ -0,0 +1,14 @@
+Source: risotto
+Section: admin
+Priority: extra
+Maintainer: Cadoles <contact@cadoles.com>
+Build-depends: debhelper (>=11), python3-all, python3-setuptools
+Standards-Version: 3.9.4
+Homepage: https://forge.cadoles.com/Infra/risotto
+
+Package: risotto
+Architecture: any
+Pre-Depends: dpkg, python3, ${misc:Pre-Depends}
+Depends: ${python:Depends}, ${misc:Depends}
+Description: configuration manager
+

debian/copyright

@@ -0,0 +1,22 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: risotto
+Upstream-Contact: Cadoles <contact@cadoles.com>
+Source: https://forge.cadoles.com/Infra/risotto
+
+Files: *
+Copyright: 2019-2020 Cadoles <contact@cadoles.com>
+License: AGPL-3+
+
+License: AGPL-3+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ .
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <https://www.gnu.org/licenses/>.

debian/rules

@@ -0,0 +1,10 @@
+#!/usr/bin/make -f
+# See debhelper(7) (uncomment to enable)
+# output every command that modifies files on the build system.
+#DH_VERBOSE = 1
+
+export PYBUILD_NAME = risotto
+export PYBUILD_DISABLE_python3 = test
+
+%:
+	dh $@ --with python3 --buildsystem=pybuild

debian/source/format

@@ -0,0 +1 @@
+3.0 (quilt)

script/database_manager.py

@@ -1,23 +1,33 @@
 import asyncpg
 import asyncio
-from os.path import isfile
+from os import listdir
+from os.path import isdir, join
 from sys import exit
 
 
+from risotto.utils import _
 from risotto.config import get_config
 
 
 async def main():
-    sql_filename = get_config()['global']['sql_filename']
-    if not isfile(sql_filename):
+    sql_dir = get_config()['global']['sql_dir']
+    if not isdir(sql_dir):
         print('no sql file to import')
         exit()
     db_conf = get_config()['database']['dsn']
     pool = await asyncpg.create_pool(db_conf)
     async with pool.acquire() as connection:
         async with connection.transaction():
-            with open(sql_filename, 'r') as sql:
-                await connection.execute(sql.read())
+            for filename in listdir(sql_dir):
+                if filename.endswith('.sql'):
+                    sql_filename = join(sql_dir, filename)
+                    with open(sql_filename, 'r') as sql:
+                        try:
+                            await connection.execute(sql.read())
+                        except Exception as err:
+                            print(_(f'unable to import {filename}: {err}'))
+                            exit(1)
+
 
 if __name__ == '__main__':
     loop = asyncio.get_event_loop()

script/risotto-server

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 from asyncio import get_event_loop
 from risotto import get_app
 
@@ -6,6 +7,7 @@ if __name__ == '__main__':
     loop = get_event_loop()
     loop.run_until_complete(get_app(loop))
     try:
+        print('HTTP server ready')
         loop.run_forever()
     except KeyboardInterrupt:
         pass

setup.py

@@ -0,0 +1,9 @@
+from setuptools import setup, find_packages
+
+setup(
+    name='risotto',
+    version='0.1',
+    packages=['risotto' ],
+    scripts=['script/risotto-server'],
+    package_dir={"": "src"},
+    )

src/risotto/__init__.py

@@ -1,4 +1,3 @@
-from .http import get_app
-
-__ALL__ = ('get_app',)
+from .http import get_app, services
 
+__ALL__ = ('get_app', 'services')

src/risotto/config.py

@@ -1,34 +1,48 @@
 from os import environ
 
 
-CONFIGURATION_DIR = 'configurations'
-TMP_DIR = 'tmp'
+CONFIGURATION_DIR = environ.get('CONFIGURATION_DIR', '/srv/risotto/configurations')
+PROVIDER_FACTORY_CONFIG_DIR = environ.get('PROVIDER_FACTORY_CONFIG_DIR', '/srv/factory')
+TMP_DIR = '/tmp'
 DEFAULT_USER = environ.get('DEFAULT_USER', 'Anonymous')
-DEFAULT_DSN = environ.get('RISOTTO_DSN', 'postgres:///risotto?host=/var/run/postgresql/&user=risotto')
-DEFAULT_TIRAMISU_DSN = environ.get('DEFAULT_TIRAMISU_DSN', 'postgres:///tiramisu?host=/var/run/postgresql/&user=tiramisu')
+RISOTTO_DB_NAME = environ.get('RISOTTO_DB_NAME', 'risotto')
+RISOTTO_DB_PASSWORD = environ.get('RISOTTO_DB_PASSWORD', 'risotto')
+RISOTTO_DB_USER = environ.get('RISOTTO_DB_USER', 'risotto')
+TIRAMISU_DB_NAME = environ.get('TIRAMISU_DB_NAME', 'tiramisu')
+TIRAMISU_DB_PASSWORD = environ.get('TIRAMISU_DB_PASSWORD', 'tiramisu')
+TIRAMISU_DB_USER = environ.get('TIRAMISU_DB_USER', 'tiramisu')
+DB_ADDRESS = environ.get('DB_ADDRESS', 'localhost')
 MESSAGE_PATH = environ.get('MESSAGE_PATH', '/root/risotto-message/messages')
-MODULE_NAME = environ.get('MODULE_NAME', 'test')
-SQL_FILENAME = f'/root/risotto-{MODULE_NAME}/sql/init.sql'
+SQL_DIR = environ.get('SQL_DIR', './sql')
+CACHE_ROOT_PATH = environ.get('CACHE_ROOT_PATH', '/var/cache/risotto')
+SRV_SEED_PATH = environ.get('SRV_SEED_PATH', '/srv/seed')
+
+
+def dsn_factory(database, user, password, address=DB_ADDRESS):
+    mangled_address = '/var/run/postgresql' if address == 'localhost' else address
+    return f'postgres:///{database}?host={mangled_address}/&user={user}&password={password}'
 
 
 def get_config():
-    return {'database': {'dsn': DEFAULT_DSN,
-                         'tiramisu_dsn': DEFAULT_TIRAMISU_DSN,
+    return {'database': {'dsn': dsn_factory(RISOTTO_DB_NAME, RISOTTO_DB_USER, RISOTTO_DB_PASSWORD),
+                         'tiramisu_dsn': dsn_factory(TIRAMISU_DB_NAME, TIRAMISU_DB_USER, TIRAMISU_DB_PASSWORD),
                          },
             'http_server': {'port': 8080,
                             'default_user': DEFAULT_USER},
             'global': {'message_root_path': MESSAGE_PATH,
+                       'configurations_dir': CONFIGURATION_DIR,
                        'debug': True,
                        'internal_user': 'internal',
                        'check_role': True,
                        'admin_user': DEFAULT_USER,
-                       'module_name': MODULE_NAME,
-                       'sql_filename': SQL_FILENAME},
-            'source': {'root_path': '/srv/seed'},
-            'cache': {'root_path': '/var/cache/risotto'},
+                       'sql_dir': SQL_DIR},
+            'source': {'root_path': SRV_SEED_PATH},
+            'cache': {'root_path': CACHE_ROOT_PATH},
             'servermodel': {'internal_source': 'internal',
                             'internal_distribution': 'last',
                             'internal_release_name': 'none'},
             'submodule': {'allow_insecure_https': False,
                           'pki': '192.168.56.112'},
+            'provider': {'factory_configuration_dir': PROVIDER_FACTORY_CONFIG_DIR,
+                         'factory_configuration_filename': 'infra.json'},
             }

src/risotto/controller.py

@@ -2,6 +2,8 @@ from .config import get_config
 from .dispatcher import dispatcher
 from .context import Context
 from .remote import remote
+from . import services
+from .utils import _
 
 
 class Controller:
@@ -9,20 +11,23 @@ class Controller:
     """
     def __init__(self,
                  test: bool):
-        self.submodule = get_config()['global']['module_name']
+        self.risotto_modules = services.get_services_list()
 
     async def call(self,
                    uri: str,
                    risotto_context: Context,
+                   *args,
                    **kwargs):
         """ a wrapper to dispatcher's call"""
-        version, submodule, message = uri.split('.', 2)
-        uri = submodule + '.' + message
-        if submodule != self.submodule:
-            return await remote.call_or_publish(submodule,
-                                                version,
-                                                message,
-                                                kwargs)
+        version, module, message = uri.split('.', 2)
+        uri = module + '.' + message
+        if args:
+            raise ValueError(_(f'the URI "{uri}" can only be called with keyword arguments'))
+        if module not in self.risotto_modules:
+            return await remote.remove_call(module,
+                                            version,
+                                            message,
+                                            kwargs)
         return await dispatcher.call(version,
                                      uri,
                                      risotto_context,
@@ -31,18 +36,23 @@ class Controller:
     async def publish(self,
                       uri: str,
                       risotto_context: Context,
+                   *args,
                       **kwargs):
         """ a wrapper to dispatcher's publish"""
-        version, submodule, uri = uri.split('.', 2)
-        if submodule != self.submodule:
-            await remote.call_or_publish(submodule,
-                                         version,
-                                         message,
-                                         kwargs)
-        await dispatcher.publish(version,
-                                 uri,
-                                 risotto_context,
-                                 **kwargs)
+        version, module, submessage = uri.split('.', 2)
+        version, message = uri.split('.', 1)
+        if args:
+            raise ValueError(_(f'the URI "{uri}" can only be published with keyword arguments'))
+        if module not in self.risotto_modules:
+            await remote.remove_call(module,
+                                     version,
+                                     submessage,
+                                     kwargs)
+        else:
+            await dispatcher.publish(version,
+                                     message,
+                                     risotto_context,
+                                     **kwargs)
 
     async def on_join(self,
                       risotto_context):

src/risotto/dispatcher.py

@@ -134,7 +134,10 @@ class PublishDispatcher:
                                                  version,
                                                  message,
                                                  'event')
-        function_objs = self.messages[version][message].get('functions', [])
+        try:
+            function_objs = self.messages[version][message].get('functions', [])
+        except KeyError:
+            raise ValueError(_(f'cannot find message {version}.{message}'))
         # do not start a new database connection
         if hasattr(old_risotto_context, 'connection'):
             risotto_context.connection = old_risotto_context.connection
@@ -144,40 +147,39 @@ class PublishDispatcher:
                                      check_role,
                                      kwargs,
                                      function_objs)
-        else:
-            try:
-                async with self.pool.acquire() as connection:
-                    await connection.set_type_codec(
-                        'json',
-                        encoder=dumps,
-                        decoder=loads,
-                        schema='pg_catalog'
-                    )
-                    risotto_context.connection = connection
-                    async with connection.transaction():
-                        return await self.launch(version,
-                                                 message,
-                                                 risotto_context,
-                                                 check_role,
-                                                 kwargs,
-                                                 function_objs)
-            except CallError as err:
-                raise err
-            except Exception as err:
-                # if there is a problem with arguments, just send an error and do nothing
-                if get_config()['global']['debug']:
-                    print_exc()
-                async with self.pool.acquire() as connection:
-                    await connection.set_type_codec(
-                        'json',
-                        encoder=dumps,
-                        decoder=loads,
-                        schema='pg_catalog'
-                    )
-                    risotto_context.connection = connection
-                    async with connection.transaction():
-                        await log.error_msg(risotto_context, kwargs, err)
-                raise err
+        try:
+            async with self.pool.acquire() as connection:
+                await connection.set_type_codec(
+                    'json',
+                    encoder=dumps,
+                    decoder=loads,
+                    schema='pg_catalog'
+                )
+                risotto_context.connection = connection
+                async with connection.transaction():
+                    return await self.launch(version,
+                                             message,
+                                             risotto_context,
+                                             check_role,
+                                             kwargs,
+                                             function_objs)
+        except CallError as err:
+            raise err
+        except Exception as err:
+            # if there is a problem with arguments, just send an error and do nothing
+            if get_config()['global']['debug']:
+                print_exc()
+            async with self.pool.acquire() as connection:
+                await connection.set_type_codec(
+                    'json',
+                    encoder=dumps,
+                    decoder=loads,
+                    schema='pg_catalog'
+                )
+                risotto_context.connection = connection
+                async with connection.transaction():
+                    await log.error_msg(risotto_context, kwargs, err)
+            raise err
 
 
 class Dispatcher(register.RegisterDispatcher,
@@ -317,59 +319,42 @@ class Dispatcher(register.RegisterDispatcher,
             module_name = function.__module__.split('.')[-2]
             function_name = function.__name__
             info_msg = _(f'in module {module_name}.{function_name}')
-            try:
-                # build argument for this function
-                if risotto_context.type == 'rpc':
-                    kw = config_arguments
-                else:
-                    kw = {}
-                    for key, value in config_arguments.items():
-                        if key in function_obj['arguments']:
-                            kw[key] = value
-
-
-
-                kw['risotto_context'] = risotto_context
-                returns = await function(self.injected_self[function_obj['module']], **kw)
-            except CallError as err:
-                if risotto_context.type == 'rpc':
-                    raise err
-                continue
-            except Exception as err:
-                if risotto_context.type == 'rpc':
-                    raise err
-                if get_config().get('global').get('debug'):
-                    print_exc()
-                await log.error_msg(risotto_context,
-                                    kwargs,
-                                    err)
-                continue
+            # build argument for this function
+            if risotto_context.type == 'rpc':
+                kw = config_arguments
             else:
-                if risotto_context.type == 'rpc':
-                    # valid returns
-                    await self.valid_call_returns(risotto_context,
-                                                  function,
-                                                  returns,
-                                                  kwargs)
-                # log the success
-                await log.info_msg(risotto_context,
-                                   {'arguments': kwargs,
-                                    'returns': returns},
-                                   info_msg)
-                # notification
-                if function_obj.get('notification'):
-                    notif_version, notif_message = function_obj['notification'].split('.', 1)
-                    if not isinstance(returns, list):
-                        send_returns = [returns]
-                    else:
-                        send_returns = returns
-                    for ret in send_returns:
-                        await self.publish(notif_version,
-                                           notif_message,
-                                           risotto_context,
-                                           **ret)
-                if risotto_context.type == 'rpc':
-                    return returns
+                kw = {}
+                for key, value in config_arguments.items():
+                    if key in function_obj['arguments']:
+                        kw[key] = value
+
+            kw['risotto_context'] = risotto_context
+            returns = await function(self.injected_self[function_obj['module']], **kw)
+            if risotto_context.type == 'rpc':
+                # valid returns
+                await self.valid_call_returns(risotto_context,
+                                              function,
+                                              returns,
+                                              kwargs)
+            # log the success
+            await log.info_msg(risotto_context,
+                               {'arguments': kwargs,
+                                'returns': returns},
+                               info_msg)
+            # notification
+            if function_obj.get('notification'):
+                notif_version, notif_message = function_obj['notification'].split('.', 1)
+                if not isinstance(returns, list):
+                    send_returns = [returns]
+                else:
+                    send_returns = returns
+                for ret in send_returns:
+                    await self.publish(notif_version,
+                                       notif_message,
+                                       risotto_context,
+                                       **ret)
+            if risotto_context.type == 'rpc':
+                return returns
 
 
 dispatcher = Dispatcher()

src/risotto/http.py

@@ -11,12 +11,15 @@ from .error import CallError, NotAllowedError, RegistrationError
 from .message import get_messages
 from .logger import log
 from .config import get_config
-from .services import load_services
+from . import services
 
 
 extra_routes = {}
 
 
+RISOTTO_MODULES = services.get_services_list()
+
+
 def create_context(request):
     risotto_context = Context()
     risotto_context.username = request.match_info.get('username',
@@ -88,8 +91,8 @@ async def handle(request):
         if get_config()['global']['debug']:
             print_exc()
         raise HTTPInternalServerError(reason=str(err))
-    return Response(text=dumps({'response': text},
-                    content_type='application/json'))
+    return Response(text=dumps({'response': text}),
+                    content_type='application/json')
 
 
 async def api(request,
@@ -108,7 +111,8 @@ async def api(request,
                 WHERE RoleURI.URIId = URI.URIId
                 '''
                 uris = [uri['uriname'] for uri in await connection.fetch(sql)]
-        async with await Config(get_messages(load_shortarg=True,
+        async with await Config(get_messages(current_module_names=RISOTTO_MODULES,
+                                             load_shortarg=True,
                                              current_version=risotto_context.version,
                                              uris=uris)[1]) as config:
             await config.property.read_write()
@@ -120,7 +124,7 @@ async def get_app(loop):
     """ build all routes
     """
     global extra_routes
-    load_services()
+    services.link_to_dispatcher(dispatcher)
     app = Application(loop=loop)
     routes = []
     default_storage.engine('dictionary')
@@ -157,7 +161,7 @@ async def get_app(loop):
             print(f'  - {path} (http_get)')
         print()
     del extra_routes
-    app.add_routes(routes)
+    app.router.add_routes(routes)
     await dispatcher.on_join()
     return await loop.create_server(app.make_handler(), '*', get_config()['http_server']['port'])
 

src/risotto/logger.py

@@ -1,5 +1,8 @@
 from typing import Dict, Any
 from json import dumps
+from asyncpg.exceptions import UndefinedTableError
+
+
 from .context import Context
 from .utils import _
 from .config import get_config
@@ -23,7 +26,10 @@ class Logger:
             args.append(dumps(data))
 
         sql = insert + ') ' + values + ')'
-        await risotto_context.connection.fetch(sql, *args)
+        try:
+            await risotto_context.connection.fetch(sql, *args)
+        except UndefinedTableError as err:
+            raise Exception(_(f'cannot access to database ({err}), was the database really created?'))
 
     def _get_message_paths(self,
                            risotto_context: Context):
@@ -65,7 +71,7 @@ class Logger:
         else:
             paths_msg = ''
         if get_config()['global']['debug']:
-            print(_(f'{risotto_context.username}: INFO:{paths_msg}'))
+            print(_(f'{risotto_context.username}: INFO:{paths_msg}: {msg}'))
         await self.insert(msg,
                           paths_msg,
                           risotto_context,

src/risotto/message.py

@@ -1,22 +1,21 @@
-from collections import OrderedDict
-from os.path import join, basename, dirname
+from os import listdir
+from os.path import join, basename, dirname, isfile
 from glob import glob
-
-from tiramisu import StrOption, IntOption, BoolOption, ChoiceOption, OptionDescription, SymLinkOption, \
+from gettext import translation
+from tiramisu import StrOption, IntOption, BoolOption, ChoiceOption, OptionDescription, SymLinkOption, FloatOption, \
                      Calculation, Params, ParamOption, ParamValue, calc_value, calc_value_property_help, \
                      groups, Option
-
 from yaml import load, SafeLoader
-from os import listdir
-from os.path import isfile
-from ..config import get_config
-from ..utils import _
+
+
+from .config import get_config
+from .utils import _
+
 
 MESSAGE_ROOT_PATH = get_config()['global']['message_root_path']
-MODULE_NAME = get_config()['global']['module_name']
-CUSTOMTYPES = {}
-
 groups.addgroup('message')
+MESSAGE_TRANSLATION = translation('risotto-message', join(MESSAGE_ROOT_PATH, '..', 'locale')).gettext
+
 
 
 class DictOption(Option):
@@ -43,14 +42,16 @@ class MessageDefinition:
     A MessageDefinition is a representation of a message in the Zephir application messaging context
     """
     __slots__ = ('version',
-                 'uri',
+                 'message',
                  'description',
                  'parameters',
                  'default_roles',
                  'errors',
                  'pattern',
                  'related',
-                 'response')
+                 'response',
+                 'options',
+                 )
 
     def __init__(self,
                  raw_def,
@@ -58,17 +59,18 @@ class MessageDefinition:
                  message):
         # default value for non mandatory key
         self.version = version
-        self.parameters = OrderedDict()
+        self.parameters = {}
         self.errors = []
         self.related = []
         self.default_roles = []
         self.response = None
-        self.uri = message
+        self.message = message
+        self.options = None
 
         # loads yaml information into object
         for key, value in raw_def.items():
-            if key == 'uri':
-                raise Exception('uri in not allowed in message')
+            if key == 'message':
+                raise Exception('message in not allowed in message')
             if isinstance(value, str):
                 value = value.strip()
             if key == 'pattern':
@@ -84,8 +86,11 @@ class MessageDefinition:
             elif key == 'response':
                 value = ResponseDefinition(value,
                                            self.version)
-            elif key == 'errors':
-                value = _parse_error_definition(value)
+            elif key == 'description':
+                value = value.strip().rstrip()
+                if value.endswith('.'):
+                    value = value[:-1]
+                value = MESSAGE_TRANSLATION(value)
             setattr(self, key, value)
         # check mandatory keys
         for key in self.__slots__:
@@ -131,6 +136,10 @@ class ParameterDefinition:
                 else:
                     self._valid_type(value)
                 #self._valid_type(value)
+            elif key == 'description':
+                if value.endswith('.'):
+                    value = value[:-1]
+                value = MESSAGE_TRANSLATION(value)
             setattr(self, key, value)
         # check mandatory keys
         for key in self.__slots__:
@@ -143,7 +152,7 @@ class ParameterDefinition:
     def _valid_type(self, typ):
         if typ.startswith('[]'):
             self._valid_type(typ[2:])
-        elif typ not in ['Boolean', 'String', 'Number', 'File', 'Dict', 'Any']:
+        elif typ not in ['Boolean', 'String', 'Number', 'File', 'Dict', 'Any', 'Float']:
             raise Exception(_('unknown parameter type: {}').format(typ))
 
 
@@ -180,9 +189,12 @@ class ResponseDefinition:
                     if value.startswith('[]'):
                         value = '[]{}'.format(CUSTOMTYPES[version][tvalue].type)
                     else:
-                        value = CUSTOMTYPES[version][value].type
+                        value = CUSTOMTYPES[version][tvalue].type
+                    self.description = CUSTOMTYPES[version][tvalue].description
                 else:
-                    self._valid_type(value)
+                    raise Exception('only customtype is supported in response')
+            elif key == 'description':
+                raise Exception('description is not allowed in response')
             setattr(self, key, value)
         # check mandatory keys
         for key in self.__slots__:
@@ -191,36 +203,10 @@ class ResponseDefinition:
             except AttributeError:
                 raise Exception(_('mandatory key not set {}').format(key))
 
-    def _valid_type(self, typ):
-        if typ.startswith('[]'):
-            self._valid_type(typ[2:])
-        elif typ not in ['Boolean', 'String', 'Number', 'File', 'Dict']:
-            raise Exception(_('unknown parameter type: {}').format(typ))
-
-
-class ErrorDefinition:
-    """
-    An ErrorDefinition is a representation of an error in the Zephir application messaging context
-    """
-    __slots__ = ('uri',)
-
-    def __init__(self, raw_err):
-        extra_keys = set(raw_err) - set(self.__slots__)
-        if extra_keys:
-            raise Exception(_('extra keys for errors: {}').format(extra_keys))
-        self.uri = raw_err['uri']
-
-
-def _parse_error_definition(raw_defs):
-    new_value = []
-    for raw_err in raw_defs:
-        new_value.append(ErrorDefinition(raw_err))
-    return new_value
-
 
 def _parse_parameters(raw_defs,
                       version):
-    parameters = OrderedDict()
+    parameters = {}
     for name, raw_def in raw_defs.items():
         parameters[name] = ParameterDefinition(name,
                                                version,
@@ -229,12 +215,13 @@ def _parse_parameters(raw_defs,
 
 
 def get_message(uri: str,
-                current_module_name: str):
+                current_module_names: str,
+                ) -> MessageDefinition:
     try:
         version, message = uri.split('.', 1)
         path = get_message_file_path(version,
                                      message,
-                                     current_module_name)
+                                     current_module_names)
         with open(path, "r") as message_file:
             return MessageDefinition(load(message_file.read(), Loader=SafeLoader),
                                      version,
@@ -247,22 +234,21 @@ def get_message(uri: str,
 
 def get_message_file_path(version,
                           message,
-                          current_module_name):
+                          current_module_names):
     module_name, filename = message.split('.', 1)
-    if current_module_name and module_name != current_module_name:
-        raise Exception(f'should only load message for {current_module_name}, not {message}')
+    if current_module_names and module_name not in current_module_names:
+        raise Exception(f'should only load message for {current_module_names}, not {message}')
     return join(MESSAGE_ROOT_PATH, version, module_name, 'messages', filename + '.yml')
 
 
 def list_messages(uris,
-                  current_module_name,
+                  current_module_names,
                   current_version):
-    def get_module_paths():
-        if current_module_name is not None:
-            yield current_module_name, join(MESSAGE_ROOT_PATH, version, current_module_name, 'messages')
-        else:
-            for module_name in listdir(join(MESSAGE_ROOT_PATH, version)):
-                yield module_name, join(MESSAGE_ROOT_PATH, version, module_name, 'messages')
+    def get_module_paths(current_module_names):
+        if current_module_names is None:
+            current_module_names = listdir(join(MESSAGE_ROOT_PATH, version))
+        for module_name in current_module_names:
+            yield module_name, join(MESSAGE_ROOT_PATH, version, module_name, 'messages')
 
     if current_version:
         versions = [current_version]
@@ -270,7 +256,7 @@ def list_messages(uris,
         versions = listdir(join(MESSAGE_ROOT_PATH))
     versions.sort()
     for version in versions:
-        for module_name, message_path in get_module_paths():
+        for module_name, message_path in get_module_paths(current_module_names):
             for message in listdir(message_path):
                 if message.endswith('.yml'):
                     uri = version + '.' + module_name + '.' + message.rsplit('.', 1)[0]
@@ -301,6 +287,10 @@ class CustomParam:
                 value = self._convert_type(value, raw_def)
             elif key == 'items':
                 continue
+            elif key == 'description':
+                if value.endswith('.'):
+                    value = value[:-1]
+                value = MESSAGE_TRANSLATION(value)
             setattr(self, key, value)
 
         # check mandatory keys
@@ -318,7 +308,8 @@ class CustomParam:
                  'number': 'Number',
                  'object': 'Dict',
                  'array': 'Array',
-                 'file': 'File'}
+                 'file': 'File',
+                 'float': 'Float'}
 
         if typ not in list(types.keys()):
             # validate after
@@ -333,7 +324,7 @@ class CustomParam:
 
 
 def _parse_custom_params(raw_defs, required):
-    parameters = OrderedDict()
+    parameters = {}
     for name, raw_def in raw_defs.items():
         parameters[name] = CustomParam(name, raw_def, required)
     return parameters
@@ -359,6 +350,10 @@ class CustomType:
                 value = self._convert_type(value, raw_def)
             elif key == 'properties':
                 value = _parse_custom_params(value, raw_def.get('required', {}))
+            elif key == 'description':
+                if value.endswith('.'):
+                    value = value[:-1]
+                value = MESSAGE_TRANSLATION(value)
 
             setattr(self, key, value)
         # check mandatory keys
@@ -390,48 +385,30 @@ class CustomType:
         return self.title
 
 
-def load_customtypes(current_module_name: str) -> None:
+def load_customtypes() -> None:
     versions = listdir(MESSAGE_ROOT_PATH)
     versions.sort()
-    def convert_properties(customtype: str,
-                           version: str) -> None:
-        """ if properties include an other customtype, replace it
-        """
-        properties = {}
-        for key, value in customtype.properties.items():
-            type_ = value.type
-            if type_.startswith('[]'):
-                if type_ in CUSTOMTYPES[version]:
-                    raise Exception(_('cannot have []CustomType'))
-                properties[key] = value
-            else:
-                if type_ in CUSTOMTYPES[version]:
-                    print('====== ca existe')
-                    properties[key] = CUSTOMTYPES[version][ttype_]
-                else:
-                    properties[key] = value
-        customtype.properties = properties
+    ret = {}
     for version in versions:
-        if version not in CUSTOMTYPES:
-            CUSTOMTYPES[version] = {}
-        types_path = join(MESSAGE_ROOT_PATH,
-                          version,
-                          current_module_name,
-                          'types')
-        for message in listdir(types_path):
-            if message.endswith('.yml'):
-                path = join(types_path, message)
-                # remove extension
-                message = message.rsplit('.', 1)[0]
-                with open(path, "r") as message_file:
-                    try:
-                        custom_type = CustomType(load(message_file, Loader=SafeLoader))
-                        convert_properties(custom_type,
-                                           version)
-                        CUSTOMTYPES[version][custom_type.getname()] = custom_type
-                    except Exception as err:
-                        raise Exception(_(f'enable to load type {err}: {message}'))
-
+        if version not in ret:
+            ret[version] = {}
+        for current_module_name in listdir(join(MESSAGE_ROOT_PATH, version)):
+            types_path = join(MESSAGE_ROOT_PATH,
+                              version,
+                              current_module_name,
+                              'types')
+            for message in listdir(types_path):
+                if message.endswith('.yml'):
+                    path = join(types_path, message)
+                    # remove extension
+                    message = message.rsplit('.', 1)[0]
+                    with open(path, "r") as message_file:
+                        try:
+                            custom_type = CustomType(load(message_file, Loader=SafeLoader))
+                            ret[version][custom_type.getname()] = custom_type
+                        except Exception as err:
+                            raise Exception(_(f'enable to load type {err}: {message}'))
+    return ret
 
 
 def _get_description(description,
@@ -443,6 +420,7 @@ def _get_description(description,
         doc = name
     if doc.endswith('.'):
         doc= description[:-1]
+    doc = MESSAGE_TRANSLATION(doc)
     return doc
 
 
@@ -456,12 +434,13 @@ def _get_option(name,
     props = []
     if not hasattr(arg, 'default'):
         props.append('mandatory')
-    props.append(Calculation(calc_value,
-                             Params(ParamValue('disabled'),
-                                    kwargs={'condition': ParamOption(select_option, todict=True),
-                                            'expected': ParamValue(optiondescription),
-                                            'reverse_condition': ParamValue(True)}),
-                             calc_value_property_help))
+    if select_option:
+        props.append(Calculation(calc_value,
+                                 Params(ParamValue('disabled'),
+                                        kwargs={'condition': ParamOption(select_option, todict=True),
+                                                'expected': ParamValue(optiondescription),
+                                                'reverse_condition': ParamValue(True)}),
+                                 calc_value_property_help))
 
     description = arg.description.strip().rstrip()
     kwargs = {'name': name,
@@ -485,6 +464,8 @@ def _get_option(name,
         obj = IntOption(**kwargs)
     elif type_ == 'Boolean':
         obj = BoolOption(**kwargs)
+    elif type_ == 'Float':
+        obj = FloatOption(**kwargs)
     else:
         raise Exception('unsupported type {} in {}'.format(type_, file_path))
     obj.impl_set_information('ref', arg.ref)
@@ -493,7 +474,6 @@ def _get_option(name,
 
 def get_options(message_def,
                 file_path,
-                needs,
                 select_option,
                 optiondescription,
                 load_shortarg):
@@ -517,7 +497,7 @@ def _parse_responses(message_def,
     """build option with returns
     """
     if message_def.response.parameters is None:
-        raise Exception('uri "{}" did not returned any valid parameters.'.format(message_def.uri))
+        raise Exception('message "{}" did not returned any valid parameters.'.format(message_def.message))
 
     options = []
     names = []
@@ -536,44 +516,25 @@ def _parse_responses(message_def,
                   'Number': IntOption,
                   'Boolean': BoolOption,
                   'Dict': DictOption,
+                  'Float': FloatOption,
                   # FIXME
                   'File': StrOption}.get(type_)
         if not option:
-            raise Exception(f'unknown param type {obj.type} in responses of message {message_def.uri}')
+            raise Exception(f'unknown param type {obj.type} in responses of message {message_def.message}')
         if hasattr(obj, 'default'):
             kwargs['default'] = obj.default
         else:
             kwargs['properties'] = ('mandatory',)
         options.append(option(**kwargs))
-    od = OptionDescription(message_def.uri,
+    od = OptionDescription(message_def.message,
                            message_def.response.description,
                            options)
     od.impl_set_information('multi', message_def.response.multi)
     return od
 
 
-def _getoptions_from_yml(message_def,
-                         optiondescriptions,
-                         file_path,
-                         needs,
-                         select_option,
-                         load_shortarg):
-    if message_def.pattern == 'event' and message_def.response:
-        raise Exception('event with response?: {}'.format(file_path))
-    if message_def.pattern == 'rpc' and not message_def.response:
-        print('rpc without response?: {}'.format(file_path))
-    options = get_options(message_def,
-                          file_path,
-                          needs,
-                          select_option,
-                          message_def.uri,
-                          load_shortarg)
-    name = message_def.uri
-    description = message_def.description.strip().rstrip()
-    optiondescriptions[name] = (description, options)
-
-
-def _get_root_option(select_option, optiondescriptions):
+def _get_root_option(select_option,
+                     optiondescriptions):
     """get root option
     """
     def _get_od(curr_ods):
@@ -612,18 +573,16 @@ def _get_root_option(select_option, optiondescriptions):
     return OptionDescription('root', 'root', options_obj)
 
 
-def get_messages(load_shortarg=False,
+def get_messages(current_module_names,
+                 load_shortarg=False,
                  current_version=None,
-                 uris=None,
-                 current_module_name=MODULE_NAME):
+                 uris=None):
     """generate description from yml files
     """
-    global CUSTOMTYPES
     optiondescriptions = {}
     optiondescriptions_info = {}
-    needs = {}
     messages = list(list_messages(uris,
-                                  current_module_name,
+                                  current_module_names,
                                   current_version))
     messages.sort()
     optiondescriptions_name = [message_name.split('.', 1)[1] for message_name in messages]
@@ -631,34 +590,30 @@ def get_messages(load_shortarg=False,
                                  'Nom du message.',
                                  tuple(optiondescriptions_name),
                                  properties=frozenset(['mandatory', 'positional']))
-    if current_module_name is None:
-        CUSTOMTYPES = {}
-    if not CUSTOMTYPES:
-        if current_module_name is None:
-            for version in listdir(MESSAGE_ROOT_PATH):
-                for module_name in listdir(join(MESSAGE_ROOT_PATH, version)):
-                    load_customtypes(module_name)
-        else:
-            load_customtypes(current_module_name)
-    for message_name in messages:
-        message_def = get_message(message_name,
-                                  current_module_name)
-        optiondescriptions_info[message_def.uri] = {'pattern': message_def.pattern,
-                                                    'default_roles': message_def.default_roles,
-                                                    'version': message_name.split('.')[0]}
+    for uri in messages:
+        message_def = get_message(uri,
+                                  current_module_names,
+                                  )
+        optiondescriptions_info[message_def.message] = {'pattern': message_def.pattern,
+                                                        'default_roles': message_def.default_roles,
+                                                        'version': message_def.version}
         if message_def.pattern == 'rpc':
-            optiondescriptions_info[message_def.uri]['response'] = _parse_responses(message_def,
-                                                                                    message_name)
+            if not message_def.response:
+                raise Exception(f'rpc without response is not allowed {uri}')
+            optiondescriptions_info[message_def.message]['response'] = _parse_responses(message_def,
+                                                                                        uri)
         elif message_def.response:
-            raise Exception(f'response not allowed for {message_def.uri}')
-        _getoptions_from_yml(message_def,
-                             optiondescriptions,
-                             message_name,
-                             needs,
-                             select_option,
-                             load_shortarg)
+            raise Exception(f'response is not allowed for {uri}')
+        message_def.options = get_options(message_def,
+                                          uri,
+                                          select_option,
+                                          message_def.message,
+                                          load_shortarg)
+        optiondescriptions[message_def.message] = (message_def.description, message_def.options)
 
-    root = _get_root_option(select_option, optiondescriptions)
-    if current_module_name is None:
-        CUSTOMTYPES = {}
+    root = _get_root_option(select_option,
+                            optiondescriptions)
     return optiondescriptions_info, root
+
+
+CUSTOMTYPES = load_customtypes()

src/risotto/message/__init__.py

@@ -1 +0,0 @@
-from .message import get_messages

src/risotto/register.py

@@ -3,14 +3,64 @@ from inspect import signature
 from typing import Callable, Optional
 import asyncpg
 from json import dumps, loads
-
+import risotto
 from .utils import _
 from .error import RegistrationError
 from .message import get_messages
 from .context import Context
 from .config import get_config
 from .logger import log
+from pkg_resources import iter_entry_points
 
+class Services():
+    services = {}
+    modules_loaded = False
+    services_loaded = False
+
+    def load_services(self):
+        for entry_point in iter_entry_points(group='risotto_services'):
+            self.services.setdefault(entry_point.name, [])
+        self.services_loaded = True
+
+    def load_modules(self):
+        for entry_point in iter_entry_points(group='risotto_modules'):
+            service_name, module_name = entry_point.name.split('.')
+            setattr(self, module_name, entry_point.load())
+            self.services[service_name].append(module_name)
+        self.modules_loaded = True
+
+    def get_services(self):
+        if not self.services_loaded:
+            self.load_services()
+        return [(s, getattr(self, s)) for s in self.services]
+
+    def get_modules(self):
+        if not self.modules_loaded:
+            self.load_modules()
+        return [(m, getattr(self, m)) for s in self.services.values() for m in s]
+
+    def get_services_list(self):
+        return self.services.keys()
+
+    def get_modules_list(self):
+        return [m for s in self.services for m in self.services[s]]
+
+    def link_to_dispatcher(self,
+                           dispatcher,
+                           validate: bool=True,
+                           test: bool=False,
+                           ):
+        for module_name, module in self.get_modules():
+            dispatcher.set_module(module_name,
+                                  module,
+                                  test)
+        if validate:
+            dispatcher.validate()
+
+
+services = Services()
+services.load_services()
+setattr(risotto, 'services', services)
 
 def register(uris: str,
              notification: str=None):
@@ -36,22 +86,32 @@ class RegisterDispatcher:
         # postgresql pool
         self.pool = None
         # load tiramisu objects
-        messages, self.option = get_messages()
+        self.risotto_modules = services.get_services_list()
+        messages, self.option = get_messages(self.risotto_modules)
         # list of uris with informations: {"v1": {"module_name.xxxxx": yyyyyy}}
-        version = 'v1'
         self.messages = {}
         for tiramisu_message, obj in messages.items():
             version = obj['version']
             if version not in self.messages:
                 self.messages[version] = {}
             self.messages[version][tiramisu_message] = obj
-        self.risotto_module = get_config()['global']['module_name']
 
     def get_function_args(self,
                           function: Callable):
-        # remove self
-        first_argument_index = 1
-        return [param.name for param in list(signature(function).parameters.values())[first_argument_index:]]
+        # remove self and risotto_context
+        first_argument_index = 2
+        return {param.name for param in list(signature(function).parameters.values())[first_argument_index:]}
+
+    async def get_message_args(self,
+                               message: str):
+        # load config
+        async with await Config(self.option) as config:
+            await config.property.read_write()
+            # set message to the message name
+            await config.option('message').value.set(message)
+            # get message argument
+            dico = await config.option(message).value.dict()
+            return set(dico.keys())
 
     async def valid_rpc_params(self,
                                version: str,
@@ -60,26 +120,10 @@ class RegisterDispatcher:
                                module_name: str):
         """ parameters function must have strictly all arguments with the correct name
         """
-        async def get_message_args():
-            # load config
-            async with await Config(self.option) as config:
-                await config.property.read_write()
-                # set message to the uri name
-                await config.option('message').value.set(message)
-                # get message argument
-                dico = await config.option(message).value.dict()
-                return set(dico.keys())
-
-        def get_function_args():
-            function_args = self.get_function_args(function)
-            # risotto_context is a special argument, remove it
-            function_args = function_args[1:]
-            return set(function_args)
-
         # get message arguments
-        message_args = await get_message_args()
+        message_args = await self.get_message_args(message)
         # get function arguments
-        function_args = get_function_args()
+        function_args = self.get_function_args(function)
         # compare message arguments with function parameter
         # it must not have more or less arguments
         if message_args != function_args:
@@ -102,26 +146,10 @@ class RegisterDispatcher:
                                  module_name: str):
         """ parameters function validation for event messages
         """
-        async def get_message_args():
-            # load config
-            async with await Config(self.option) as config:
-                await config.property.read_write()
-                # set message to the message name
-                await config.option('message').value.set(message)
-                # get message argument
-                dico = await config.option(message).value.dict()
-                return set(dico.keys())
-
-        def get_function_args():
-            function_args = self.get_function_args(function)
-            # risotto_context is a special argument, remove it
-            function_args = function_args[1:]
-            return set(function_args)
-
         # get message arguments
-        message_args = await get_message_args()
+        message_args = await self.get_message_args(message)
         # get function arguments
-        function_args = get_function_args()
+        function_args = self.get_function_args(function)
         # compare message arguments with function parameter
         # it can have less arguments but not more
         extra_function_args = function_args - message_args
@@ -148,14 +176,13 @@ class RegisterDispatcher:
         module_name = function.__module__.split('.')[-2]
         message_namespace = message.split('.', 1)[0]
         message_risotto_module, message_namespace, message_name = message.split('.', 2)
-        if message_risotto_module != self.risotto_module:
-            raise RegistrationError(_(f'cannot registered the "{message}" is not "{self.risotto_module}"'))
+        if message_risotto_module not in self.risotto_modules:
+            raise RegistrationError(_(f'cannot registered the "{message}" is not "{self.risotto_modules}"'))
         if self.messages[version][message]['pattern'] == 'rpc' and message_namespace != module_name:
             raise RegistrationError(_(f'cannot registered the "{message}" message in module "{module_name}"'))
 
         # True if first argument is the risotto_context
         function_args = self.get_function_args(function)
-        function_args.pop(0)
 
         # check if already register
         if 'function' in self.messages[version][message]:
@@ -223,7 +250,7 @@ class RegisterDispatcher:
                     else:
                         missing_messages.append(message)
         if missing_messages:
-            raise RegistrationError(_(f'missing uri {missing_messages}'))
+            raise RegistrationError(_(f'no matching function for uri {missing_messages}'))
 
     async def on_join(self):
         internal_user = get_config()['global']['internal_user']

src/risotto/remote.py

@@ -1,22 +1,23 @@
 from aiohttp import ClientSession
 from requests import get, post
 from json import dumps
-from tiramisu_api import Config
+#from tiramisu_api import Config
 
 
 from .config import get_config
+from .utils import _
 #
 #
-# ALLOW_INSECURE_HTTPS = get_config()['submodule']['allow_insecure_https']
+# ALLOW_INSECURE_HTTPS = get_config()['module']['allow_insecure_https']
 
 
 class Remote:
     submodules = {}
 
     async def _get_config(self,
-                          submodule: str,
+                          module: str,
                           url: str) -> None:
-        if submodule not in self.submodules:
+        if module not in self.submodules:
             session = ClientSession()
             async with session.get(url) as resp:
                 if resp.status != 200:
@@ -27,22 +28,25 @@ class Remote:
                         err = await resp.text()
                     raise Exception(err)
                 json = await resp.json()
-            self.submodules[submodule] = json
-        return Config(self.submodules[submodule])
+            self.submodules[module] = json
+        return Config(self.submodules[module])
 
     async def remove_call(self,
-                          submodule: str,
+                          module: str,
                           version: str,
-                          message: str,
+                          submessage: str,
                           payload) -> dict:
-        domain_name = get_config()['submodule'][submodule]
+        try:
+            domain_name = get_config()['module'][module]
+        except KeyError:
+            raise ValueError(_(f'cannot find information of remote module "{module}" to access to "{version}.{module}.{submessage}"'))
         remote_url = f'http://{domain_name}:8080/api/{version}'
-        message_url = f'{remote_url}/{message}'
+        message_url = f'{remote_url}/{submessage}'
 
-        config = await self._get_config(submodule,
+        config = await self._get_config(module,
                                         remote_url)
         for key, value in payload.items():
-            path = message + '.' + key
+            path = submessage + '.' + key
             config.option(path).value.set(value)
         session = ClientSession()
         async with session.post(message_url, data=dumps(payload)) as resp:

src/risotto/services/__init__.py

@@ -0,0 +1,33 @@
+from os import listdir
+from os.path import isdir, isfile, dirname, abspath, basename, join
+from importlib import import_module
+# from ..dispatcher import dispatcher
+
+
+def list_modules():
+    abs_here = dirname(abspath(__file__))
+    here = basename(abs_here)
+    return [name for name in listdir(abs_here) if not name.startswith('__') and isdir(join(abs_here, name))]
+
+
+def load_submodules(dispatcher,
+                    modules=None,
+                    validate: bool=True,
+                    test: bool=False):
+    abs_here = dirname(abspath(__file__))
+    here = basename(abs_here)
+    module = basename(dirname(abs_here))
+    if not modules:
+        modules = listdir(abs_here)
+    for module in modules:
+        absmodule = join(abs_here, module)
+        if isdir(absmodule):
+            for submodule in listdir(absmodule):
+                absfilename = join(absmodule, submodule)
+                if isdir(absfilename) and isfile(join(absfilename, '__init__.py')):
+                    dispatcher.set_module(submodule,
+                                          import_module(f'.{here}.{module}.{submodule}',
+                                                        f'risotto'),
+                                          test)
+    if validate:
+        dispatcher.validate()