dictionary controllers for namespace and capability_type

Change-Id: I931425d6fe6f95d0d616d5e3f6efe852b2863b53

config.py

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from oslo.config import cfg
+
 # Server Specific Configurations
 server = {
     'port': '21075',
@@ -59,9 +61,84 @@ wsme = {
     'debug': True
 }
 
+
 # Custom Configurations must be in Python dictionary format::
 #
 # foo = {'bar':'baz'}
 #
 # All configurations are accessible at::
 # pecan.conf
+
+# oslo config
+keystone_group = cfg.OptGroup('keystone')
+keystone_opts = [
+    cfg.StrOpt('auth_url',
+               default='http://192.168.40.10:5000/v2.0',
+               help='keystone authorization url'),
+    cfg.StrOpt('username',
+               default='admin',
+               help='keystone username'),
+    cfg.StrOpt('password',
+               default='secretword',
+               help='keystone password'),
+    cfg.StrOpt('tenant_name',
+               default='admin',
+               help='keystone tenant name')
+
+]
+cfg.CONF.register_group(keystone_group)
+cfg.CONF.register_opts(keystone_opts, group=keystone_group)
+
+# DEFAULT group
+default_controller_group = cfg.OptGroup('DEFAULT')
+default_controller_opts = [
+    cfg.StrOpt(
+        'persistence_type',
+        default="memory",
+        help=("persistence options. "
+              "values = 'memory' or 'file' or 'db"))
+]
+
+cfg.CONF.register_group(default_controller_group)
+cfg.CONF.register_opts(default_controller_opts,
+                       group=default_controller_group)
+
+# FILE_PERSISTENCE group
+file_controller_group = cfg.OptGroup('FILE_PERSISTENCE')
+file_controller_opts = [
+    cfg.StrOpt(
+        'dictionary_folder',
+        default="/tmp/graffiti-dictionary/",
+        help=("Absolute path of the file for persisting dictionary")
+    )
+]
+
+cfg.CONF.register_group(file_controller_group)
+cfg.CONF.register_opts(file_controller_opts,
+                       group=file_controller_group)
+
+
+# Used for remote debugging, like pychcharms or pydev
+#  To enable remote debugging in pycharms, requires that you put the
+#  pycharm-debug.egg in the python path. E.g.
+#
+# Include the pycharm-debug.egg archive.
+# e.g. /home/<USERNAME>/pycharm-3.1.1/pycharm-debug.egg
+# You can do it in a number of ways, for example:
+#   Add the archive to PYTHONPATH.e,g,
+#      export PYTHONPATH+=.:/home/<USERNAME>/pycharm-3.1.1/pycharm-debug.egg
+#   Append the archive to sys.path. e.g.
+#      import sys
+#      sys.path.append('/home/<USERNANE>/pycharm-3.1.1/pycharm-debug.egg')
+#   Just copy the pydev from the archive to the directory where your remote
+#   script resides.
+#
+# You will need to setup a debug configuration in your pycharms and start the
+# debugger BEFORE starting pecan
+# This is because the following code connects from here to your pycharms
+# (or your pydev)
+pydevd = {
+    'enabled': True,
+    'port': 22075,
+    'bindhost': 'localhost'
+}

etc/graffiti.conf.sample

@@ -0,0 +1,7 @@
+[DEFAULT]
+
+#Allowed values= memory, file, db. Default value is memory
+persistence_type=memory
+
+[FILE_PERSISTENCE]
+dictionary_folder=/tmp/graffiti-dictionary/

graffiti/api/app.py

@@ -26,6 +26,22 @@ CONF = cfg.CONF
 
 def setup_app(config):
 
+    if hasattr(config, 'pydevd') and config.pydevd.enabled:
+        try:
+            print(
+                'Remote debug set to true(config.pydevd).  '
+                'Attempting connection'
+            )
+            import pydevd
+            pydevd.settrace(
+                config.pydevd.bindhost,
+                port=config.pydevd.port,
+                stdoutToServer=True,
+                stderrToServer=True,
+                suspend=False)
+        except Exception as e:
+            print "Debug Connection Error:", e
+
     model.init_model()
     app_conf = dict(config.app)
 

graffiti/api/controllers/v1/capability_type.py

@@ -15,42 +15,122 @@
 
 from pecan.rest import RestController
 
+from wsme.api import Response
 from wsmeext.pecan import wsexpose
 
+from graffiti.api.controllers.v1.captype_controller_factory \
+    import CapTypeControllerFactory
 from graffiti.api.model.v1.capability_type import CapabilityType
+from ns_controller_factory import NSControllerFactory
+from oslo.config import cfg
+
 
 import six
 
-capability_types = []
-
 
 class CapabilityTypeController(RestController):
     def __init__(self):
         super(RestController, self).__init__()
         self.status = 200
+        self._cap_controller = None
+        self._ns_controller = None
+        self._load_controller()
+
+    def _load_controller(self):
+        controller_type = cfg.CONF.DEFAULT.persistence_type
+        self._cap_controller = CapTypeControllerFactory.create(controller_type)
+        self._ns_controller = NSControllerFactory.get()
 
     @wsexpose
     def options():
         pass
 
-    @wsexpose(CapabilityType, six.text_type)
-    def get_one(self, name):
-        global capability_types
+    @wsexpose(CapabilityType, six.text_type, six.text_type)
+    def get_one(self, name, namespace):
+        captype = self._cap_controller.get_capability_type(name, namespace)
+        return captype
 
-        for capability_type in capability_types:
-            if capability_type.name.lower() == name.lower():
-                return capability_type
-
-        res = CapabilityType(CapabilityType(), status_code=404,
-                             error="CapabilityType Not Found")
-        return res
-
-    @wsexpose([CapabilityType])
-    def get_all(self):
-        global capability_types
-        return capability_types
+    @wsexpose([CapabilityType], six.text_type)
+    def get_all(self, query_string=None):
+        captype_list = self._cap_controller.find_capability_types(query_string)
+        return captype_list
 
     @wsexpose(CapabilityType, body=CapabilityType)
     def post(self, capability_type):
-        global capability_types
-        capability_types.append(capability_type)
+        """Create Capability Type
+        @type capability_type:
+            graffiti.api.model.v1.capability_type.CapabilityType
+        @param capability_type: Capability type
+        """
+
+        # Check if namespace exists
+        namespace_found = self.__check_existing_namespace(
+            capability_type.namespace
+        )
+
+        # Check if derived capability type exists
+        derived_checked = self.__check_derived_capability(
+            capability_type.derived_from
+        )
+
+        if namespace_found and derived_checked:
+            self._cap_controller.set_capability_type(
+                capability_type
+            )
+            return capability_type
+        else:
+            res = Response(
+                CapabilityType(),
+                status_code=404,
+                error="Provided namespace %s doesnt exist" %
+                      capability_type.namespace)
+            return res
+
+    @wsexpose(CapabilityType, six.text_type, six.text_type,
+              body=CapabilityType)
+    def put(self, name, namespace, capability_type):
+
+        # Check if namespace exists
+        namespace_found = self.__check_existing_namespace(
+            capability_type.namespace
+        )
+
+        # Check if derived capability type exists
+        derived_checked = self.__check_derived_capability(
+            capability_type.derived_from
+        )
+
+        if namespace_found and derived_checked:
+            self._cap_controller.put_capability_type(
+                name, namespace, capability_type
+            )
+            return capability_type
+        else:
+            res = Response(
+                CapabilityType(),
+                status_code=404,
+                error="Provided namespace %s doesnt exist" %
+                      capability_type.namespace)
+            return res
+
+    @wsexpose(CapabilityType, six.text_type, six.text_type)
+    def delete(self, name, namespace):
+        captype = self._cap_controller.delete_capability_type(
+            name,
+            namespace
+        )
+        return captype
+
+    def __check_derived_capability(self, derived_from):
+        derived_checked = True
+        if derived_from:
+            derived_checked = False
+            derived_cap_found = self._cap_controller.get_capability_type(
+                derived_from.name, derived_from.namespace)
+            if derived_cap_found:
+                derived_checked = True
+
+        return derived_checked
+
+    def __check_existing_namespace(self, namespace_name):
+        return self._ns_controller.get_namespace(namespace_name)

graffiti/api/controllers/v1/captype_controller.py

@@ -0,0 +1,39 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+class CapabilityTypeControllerBase(object):
+
+    def __init__(self, **kwargs):
+        super(CapabilityTypeControllerBase, self).__init__(**kwargs)
+        self._type = 'None'
+
+    def get_capability_type(self, name, namespace):
+        return None
+
+    def get_type(self):
+        return self._type
+
+    def find_capability_types(self, query_string):
+        return []
+
+    def set_capability_type(self, capability_type=None):
+        pass
+
+    def put_capability_type(self, name, namespace, capability_type=None):
+        pass
+
+    def delete_capability_type(self, name, namespace):
+        pass

graffiti/api/controllers/v1/captype_controller_factory.py

@@ -0,0 +1,42 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from graffiti.api.controllers.v1.captype_db_controller \
+    import DBCapabilityTypeController
+from graffiti.api.controllers.v1.captype_file_controller \
+    import FileCapabilityTypeController
+from graffiti.api.controllers.v1.captype_mem_controller \
+    import MemCapabilityTypeController
+
+
+class CapTypeControllerFactory(object):
+
+    def __init__(self, **kwargs):
+        super(CapTypeControllerFactory, self).__init__(**kwargs)
+
+    @staticmethod
+    def create(controller_type, **kwargs):
+        if controller_type.lower() == 'memory':
+            print "Dictionary persistence = memory"
+            return MemCapabilityTypeController(**kwargs)
+        elif controller_type.lower() == "db":
+            print "Dictionary persistence = db"
+            return DBCapabilityTypeController(**kwargs)
+        elif controller_type.lower() == "file":
+            print "Dictionary persistence = File"
+            return FileCapabilityTypeController(**kwargs)
+
+        return None

graffiti/api/controllers/v1/captype_db_controller.py

@@ -0,0 +1,39 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from captype_controller import CapabilityTypeControllerBase
+
+
+# TODO(Wayne): Implement the db controller
+class DBCapabilityTypeController(CapabilityTypeControllerBase):
+
+    def __init__(self, **kwargs):
+        super(DBCapabilityTypeController, self).__init__(**kwargs)
+        self._type = 'DBCapabilityTypeController'
+
+    def get_capability_type(self, name, namespace):
+        pass
+
+    def find_capability_types(self, query_string):
+        pass
+
+    def set_capability_type(self, capability_type=None):
+        pass
+
+    def put_capability_type(self, name, namespace, capability_type=None):
+        pass
+
+    def delete_capability_type(self, name, namespace):
+        pass

graffiti/api/controllers/v1/captype_file_controller.py

@@ -0,0 +1,84 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from captype_controller import CapabilityTypeControllerBase
+from graffiti.api.model.v1.capability_type import CapabilityType
+import json
+from oslo.config import cfg
+from wsme.rest.json import fromjson
+from wsme.rest.json import tojson
+
+
+class FileCapabilityTypeController(CapabilityTypeControllerBase):
+
+    def __init__(self, **kwargs):
+        super(FileCapabilityTypeController, self).__init__(**kwargs)
+        self._type = 'FileCapabilityTypeController'
+        self._graffiti_folder = cfg.CONF.FILE_PERSISTENCE.dictionary_folder
+        self._filename = "dictionary.json"
+        self._dictionaryfile = self._graffiti_folder + self._filename
+        self._capability_types = self.__file_to_memory()
+
+    def get_capability_type(self, name, namespace):
+        id = namespace + ":" + name
+        return self._capability_types[id]
+
+    def find_capability_types(self, query_string):
+        return self._capability_types.itervalues()
+
+    def set_capability_type(self, capability_type):
+        id = capability_type.namespace + ":" + capability_type.name
+        self._capability_types[id] = capability_type
+        self.__memory_to_file()
+        return capability_type
+
+    def put_capability_type(self, name, namespace, capability_type):
+        id = namespace + ":" + name
+        self._capability_types[id] = capability_type
+        self.__memory_to_file()
+        return capability_type
+
+    def delete_capability_type(self, name, namespace):
+        id = namespace + ":" + name
+        capability_type = None
+        if self._capability_types[id]:
+            capability_type = self._capability_types[id]
+            self._capability_types.pop(id)
+            self.__memory_to_file()
+        return capability_type
+
+    def __file_to_memory(self):
+        try:
+            capability_types = {}
+            with open(self._dictionaryfile, "r") as gfile:
+                doc = json.load(gfile)
+                for id in doc:
+                    capability_types[id] = fromjson(CapabilityType, doc[id])
+                return capability_types
+
+        except IOError:
+            with open(self._dictionaryfile, "w+") as gfile:
+                gfile.write("")
+            return {}
+
+    def __memory_to_file(self):
+        file_capability_types = {}
+        for (id, capability_type) in self._capability_types.items():
+            json_data = tojson(CapabilityType, capability_type)
+            file_capability_types[id] = json_data
+
+        with open(self._dictionaryfile, "w+") as gfile:
+            json.dump(file_capability_types, gfile)

graffiti/api/controllers/v1/captype_mem_controller.py

@@ -0,0 +1,52 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from captype_controller import CapabilityTypeControllerBase
+
+
+class MemCapabilityTypeController(CapabilityTypeControllerBase):
+
+    def __init__(self, **kwargs):
+        super(MemCapabilityTypeController, self).__init__(**kwargs)
+        self._type = 'MemCapabilityTypeController'
+        self._capability_types = {}
+
+    def get_capability_type(self, name, namespace):
+        id = namespace + ":" + name
+        return self._capability_types[id]
+
+    def find_capability_types(self, query_string):
+        return self._capability_types.itervalues()
+
+    def set_capability_type(self, capability_type):
+        id = capability_type.namespace + ":" + capability_type.name
+        self._capability_types[id] = capability_type
+
+        return capability_type
+
+    def put_capability_type(self, name, namespace, capability_type):
+        id = namespace + ":" + name
+        self._capability_types[id] = capability_type
+
+        return capability_type
+
+    def delete_capability_type(self, name, namespace):
+        id = namespace + ":" + name
+        capability_type = None
+        if self._capability_types[id]:
+            capability_type = self._capability_types[id]
+            self._capability_types.pop(id)
+
+        return capability_type

graffiti/api/controllers/v1/namespace.py

@@ -17,40 +17,55 @@ from pecan.rest import RestController
 
 from wsmeext.pecan import wsexpose
 
+from graffiti.api.controllers.v1.ns_controller_factory\
+    import NSControllerFactory
 from graffiti.api.model.v1.namespace import Namespace
-
+from oslo.config import cfg
 import six
 
-namespaces = []
-
 
 class NamespaceController(RestController):
     def __init__(self):
         super(RestController, self).__init__()
         self.status = 200
+        self._controller = self._load_controller()
+
+    def _load_controller(self):
+        controller_type = cfg.CONF.DEFAULT.persistence_type
+        _controller = NSControllerFactory.create(controller_type)
+        return _controller
 
     @wsexpose
-    def options():
+    def options(self):
         pass
 
     @wsexpose(Namespace, six.text_type)
-    def get_one(self, name):
-        global namespaces
-
-        for namespace in namespaces:
-            if namespace.name.lower() == name.lower():
-                return namespace
-
-        res = Namespace(Namespace(), status_code=404,
-                        error="Namespace Not Found")
-        return res
+    def get_one(self, namespace_name):
+        namespace = self._controller.get_namespace(namespace_name)
+        return namespace
 
     @wsexpose([Namespace])
-    def get_all(self):
-        global namespaces
-        return namespaces
+    def get_all(self, query_string=None):
+        namespace_list = self._controller.find_namespaces(query_string)
+        return namespace_list
 
     @wsexpose(Namespace, body=Namespace)
     def post(self, namespace):
-        global namespaces
-        namespaces.append(namespace)
+        """Create Namespace
+        :namespace param:
+         graffiti.api.model.v1.namespace.Namespace
+        """
+
+        self._controller.set_namespace(namespace)
+        return namespace
+
+    @wsexpose(Namespace, six.text_type, body=Namespace)
+    def put(self, namespace_name, namespace):
+        self._controller.put_namespace(namespace_name, namespace)
+        return namespace
+
+    @wsexpose(Namespace, six.text_type)
+    def delete(self, namespace_name):
+        print "namespace", namespace_name
+        namespace = self._controller.delete_namespace(namespace_name)
+        return namespace

graffiti/api/controllers/v1/ns_controller.py

@@ -0,0 +1,39 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+class NSTypeControllerBase(object):
+
+    def __init__(self, **kwargs):
+        super(NSTypeControllerBase, self).__init__(**kwargs)
+        self._type = 'None'
+
+    def get_namespace(self, namespace_name):
+        return None
+
+    def get_type(self):
+        return self._type
+
+    def find_namespaces(self, query_string):
+        return []
+
+    def set_namespace(self, namespace):
+        pass
+
+    def put_namespace(self, namespace_name, namespace):
+        pass
+
+    def delete_namespace(self, namespace_name):
+        pass

graffiti/api/controllers/v1/ns_controller_factory.py

@@ -0,0 +1,57 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from graffiti.api.controllers.v1.ns_db_controller \
+    import DBNSController
+from graffiti.api.controllers.v1.ns_file_controller  \
+    import FileNSController
+from graffiti.api.controllers.v1.ns_mem_controller \
+    import MemNSController
+from oslo.config import cfg
+
+
+class NSControllerFactory(object):
+
+    __controller = None
+    __controller_type = cfg.CONF.DEFAULT.persistence_type
+
+    def __init__(self, **kwargs):
+        super(NSControllerFactory, self).__init__(**kwargs)
+
+    @staticmethod
+    def create(controller_type, **kwargs):
+        if controller_type.lower() == 'memory':
+            print "Namespace persistence = memory"
+            NSControllerFactory.__controller = MemNSController(**kwargs)
+            return NSControllerFactory.__controller
+        elif controller_type.lower() == "db":
+            print "Namespace persistence = db"
+            NSControllerFactory.__controller = DBNSController(**kwargs)
+            return NSControllerFactory.__controller
+        elif controller_type.lower() == "file":
+            print "Namespace persistence = File"
+            NSControllerFactory.__controller = FileNSController(**kwargs)
+            return NSControllerFactory.__controller
+
+        return None
+
+    @staticmethod
+    def get():
+        if NSControllerFactory.__controller:
+            return NSControllerFactory.__controller
+        else:
+            return NSControllerFactory.create(
+                NSControllerFactory.__controller_type)

graffiti/api/controllers/v1/ns_db_controller.py

@@ -0,0 +1,43 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from ns_controller import NSTypeControllerBase
+
+
+# TODO(Wayne): Implement the db controller
+class DBNSController(NSTypeControllerBase):
+
+    def __init__(self, **kwargs):
+        super(DBNSController, self).__init__(**kwargs)
+        self._type = 'DBNSController'
+
+    def get_type(self):
+        return self._type
+
+    def get_namespace(self, namespace_name):
+        pass
+
+    def find_namespaces(self, query_string):
+        pass
+
+    def set_namespace(self, namespace):
+        pass
+
+    def put_namespace(self, namespace_name, namespace):
+        pass
+
+    def delete_namespace(self, namespace_name):
+        pass

graffiti/api/controllers/v1/ns_file_controller.py

@@ -0,0 +1,80 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from graffiti.api.model.v1.namespace import Namespace
+import json
+from ns_controller import NSTypeControllerBase
+from oslo.config import cfg
+from wsme.rest.json import fromjson
+from wsme.rest.json import tojson
+
+
+class FileNSController(NSTypeControllerBase):
+
+    def __init__(self, **kwargs):
+        super(FileNSController, self).__init__(**kwargs)
+        self._type = 'FileNSController'
+        self._graffiti_folder = cfg.CONF.FILE_PERSISTENCE.dictionary_folder
+        self._filename = "namespaces.json"
+        self._namespacefile = self._graffiti_folder + self._filename
+        self._namespaces = self.__file_to_memory()
+
+    def get_namespace(self, namespace_name):
+        return self._namespaces[namespace_name]
+
+    def find_namespaces(self, query_string):
+        return self._namespaces.itervalues()
+
+    def set_namespace(self, namespace):
+        self._namespaces[namespace.name] = namespace
+        self.__memory_to_file()
+        return namespace
+
+    def put_namespace(self, namespace_name, namespace):
+        self._namespaces[namespace_name] = namespace
+        self.__memory_to_file()
+        return namespace
+
+    def delete_namespace(self, namespace_name):
+        namespace = None
+        if self._namespaces[namespace_name]:
+            namespace = self._namespaces[namespace_name]
+            self._namespaces.pop(namespace_name)
+            self.__memory_to_file()
+        return namespace
+
+    def __file_to_memory(self):
+        try:
+            namespaces = {}
+            with open(self._namespacefile, "r") as gfile:
+                doc = json.load(gfile)
+                for namespace in doc:
+                    namespaces[namespace] = fromjson(Namespace, doc[namespace])
+                return namespaces
+
+        except IOError:
+            with open(self._namespacefile, "w+") as gfile:
+                gfile.write("")
+            return {}
+
+    def __memory_to_file(self):
+        namespaces = {}
+        for (namespace_name, namespace) in self._namespaces.items():
+            json_data = tojson(Namespace, namespace)
+            namespaces[namespace_name] = json_data
+
+        with open(self._namespacefile, "w+") as gfile:
+            json.dump(namespaces, gfile)

graffiti/api/controllers/v1/ns_mem_controller.py

@@ -0,0 +1,49 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ns_controller import NSTypeControllerBase
+
+
+class MemNSController(NSTypeControllerBase):
+
+    def __init__(self, **kwargs):
+        super(MemNSController, self).__init__(**kwargs)
+        self._type = 'MemNSController'
+        self._namespaces = {}
+
+    def get_type(self):
+        return self._type
+
+    def get_namespace(self, namespace_name):
+        return self._namespaces[namespace_name]
+
+    def find_namespaces(self, query_string):
+        return self._namespaces.itervalues()
+
+    def set_namespace(self, namespace):
+        self._namespaces[namespace.name] = namespace
+        return namespace
+
+    def put_namespace(self, namespace_name, namespace):
+        self._namespaces[namespace.name] = namespace
+        return namespace
+
+    def delete_namespace(self, namespace_name):
+        namespace = None
+        if self._namespaces[namespace_name]:
+            namespace = self._namespaces[namespace_name]
+            self._namespaces.pop(namespace_name)
+
+        return namespace

graffiti/api/controllers/v1/resource.py

@@ -13,15 +13,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import pecan
 from pecan.rest import RestController
 
+
 from wsme.api import Response
 from wsmeext.pecan import wsexpose
 
 from graffiti.api.model.v1.resource import Resource
+from graffiti.api.plugins.glance_image import GlanceImage
 
-from graffiti.api.model.v1.resource_controller_factory import \
-    ResourceControllerFactory
+
+from graffiti.api.model.v1.resource_dao_factory import \
+    ResourceDAOFactory
 
 from graffiti.common.utils import _
 
@@ -29,6 +33,8 @@ from oslo.config import cfg
 
 import six
 
+import keystoneclient.v2_0.client as ksclient
+
 
 resource_controller_group = cfg.OptGroup('resource_controller')
 resource_controller_opts = [
@@ -42,6 +48,11 @@ cfg.CONF.register_opts(resource_controller_opts,
 
 
 class ResourceController(RestController):
+
+    # TODO(Lakshmi): Lookup supported types from plugin registry
+    local_resource_type = 'GFT:Local'
+    glance_resource_type = 'OS::Glance:Image'
+
     def __init__(self):
         super(ResourceController, self).__init__()
 
@@ -53,37 +64,98 @@ class ResourceController(RestController):
         controller_type = cfg.CONF.resource_controller.type
         controller_type = controller_type if controller_type else 'Local'
 
-        _controller = ResourceControllerFactory.create(controller_type)
+        _controller = ResourceDAOFactory.create(controller_type)
 
         return _controller
 
     @wsexpose()
-    def options():
+    def options(self):
         pass
 
-    @wsexpose(Resource, six.text_type)
-    def get_one(self, id):
-        res = self._controller.get_resource(id)
-        if res:
+    @wsexpose(Resource, six.text_type, six.text_type, six.text_type,
+              six.text_type)
+    def get_one(self, resource_id, resource_type=None, param1=None,
+                param2=None):
+        print "args:", resource_id, resource_type, param1, param2
+        error_str = None
+        if not resource_type:
+            res = self._controller.get_resource(resource_id)
             return res
+        elif resource_type.lower() == \
+                ResourceController.glance_resource_type.lower():
+            auth_token = pecan.request.headers.get('X-Auth-Token')
+            endpoint_id = param1
+            image_id = resource_id
+            glance_public_url = None
+            keystone = ksclient.Client(
+                auth_url=cfg.CONF.keystone.auth_url,
+                username=cfg.CONF.keystone.username,
+                password=cfg.CONF.keystone.password,
+                tenant_name=cfg.CONF.keystone.tenant_name)
+            for endpoint in keystone.endpoints.list():
+                if endpoint.id == endpoint_id:
+                    glance_public_url = endpoint.publicurl
 
-        res = Response(Resource(), status_code=404, error="Resource Not Found")
+            # TODO(Lakshmi): Load plugins with plugin framework
+            if auth_token and glance_public_url:
+                glance_plugin = GlanceImage(
+                    glance_public_url,
+                    keystone.auth_token
+                )
+                res = glance_plugin.get_resource(image_id)
+                if res:
+                    return res
+                else:
+                    error_str = "Resource not found"
+            else:
+                error_str = "auth_token and/or endpointid not found"
+
+        res = Response(Resource(), status_code=404, error=error_str)
         return res
 
     @wsexpose([Resource], six.text_type)
     def get_all(self, query_string=None):
-
         res_list = self._controller.find_resources(query_string)
         if res_list:
-            return res_list
+            return res_list.itervalues()
 
         return []
 
     @wsexpose(Resource, six.text_type, body=Resource)
-    def put(self, id, resource):
-
-        self._controller.set_resource(id, resource_definition=resource)
+    def put(self, resource_id, resource):
+        """Modify resource
+        :resource param: graffiti.api.model.v1.resource.Resource
+        """
+        resource_type = resource.type
+        if not resource_type:
+            resource_type = ResourceController.local_resource_type
+        if resource_type.lower() == \
+                ResourceController.local_resource_type.lower():
+            self._controller.set_resource(
+                resource_id,
+                resource_definition=resource
+            )
+        elif resource_type.lower() == \
+                ResourceController.glance_resource_type.lower():
+            auth_token = pecan.request.headers.get('X-Auth-Token')
+            endpoint_id = resource.provider.id
+            glance_public_url = None
+            keystone = ksclient.Client(
+                auth_url=cfg.CONF.keystone.auth_url,
+                username=cfg.CONF.keystone.username,
+                password=cfg.CONF.keystone.password,
+                tenant_name=cfg.CONF.keystone.tenant_name)
+            for endpoint in keystone.endpoints.list():
+                if endpoint.id == endpoint_id:
+                    glance_public_url = endpoint.publicurl
 
+            # TODO(Lakshmi): Load plugins with plugin framework
+            if auth_token and glance_public_url:
+                glance_plugin = GlanceImage(
+                    glance_public_url,
+                    keystone.auth_token
+                )
+                glance_plugin.update_resource(resource)
         return resource
 
     @wsexpose(Resource, body=Resource)

graffiti/api/hooks.py

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-#import json
+# import json
 
 from pecan.hooks import PecanHook
 

graffiti/api/model/v1/capability_type.py

@@ -16,11 +16,17 @@
 import wsme
 from wsme import types
 
+from graffiti.api.model.v1.derived_type import DerivedType
+from graffiti.api.model.v1.property_type import PropertyType
+
 
 class CapabilityType(types.Base):
+
     name = wsme.wsattr(types.text, mandatory=True)
     namespace = wsme.wsattr(types.text, mandatory=True)
     description = wsme.wsattr(types.text, mandatory=False)
+    properties = wsme.wsattr({types.text: PropertyType}, mandatory=False)
+    derived_from = wsme.wsattr(DerivedType, mandatory=False)
 
     def __init__(self, **kwargs):
         super(CapabilityType, self).__init__(**kwargs)

graffiti/api/model/v1/derived_type.py

@@ -0,0 +1,27 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import wsme
+from wsme import types
+
+
+class DerivedType(types.Base):
+    name = wsme.wsattr(types.text, mandatory=True)
+    namespace = wsme.wsattr(types.text, mandatory=True)
+
+    _wsme_attr_order = ('name', 'namespace')
+
+    def __init__(self, **kwargs):
+        super(DerivedType, self).__init__(**kwargs)

graffiti/api/model/v1/namespace.py

@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+
 import wsme
 from wsme import types
 
@@ -20,7 +21,7 @@ from wsme import types
 class Namespace(types.Base):
     name = wsme.wsattr(types.text, mandatory=True)
     scope = wsme.wsattr(types.text, mandatory=True)
-    owner = wsme.wsattr(types.text, mandatory=True)
+    owner = wsme.wsattr(types.text, mandatory=False)
 
     def __init__(self, **kwargs):
         super(Namespace, self).__init__(**kwargs)

graffiti/api/model/v1/property_item_type.py

@@ -0,0 +1,27 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import wsme
+from wsme import types
+
+
+class ItemType(types.Base):
+    type = wsme.wsattr(types.text, mandatory=True)
+    enum = wsme.wsattr([types.text], mandatory=False)
+
+    _wsme_attr_order = ('type', 'enum')
+
+    def __init__(self, **kwargs):
+        super(ItemType, self).__init__(**kwargs)

graffiti/api/model/v1/property_type.py

@@ -0,0 +1,50 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from graffiti.api.model.v1.property_item_type import ItemType
+import wsme
+from wsme import types
+
+
+class PropertyType(types.Base):
+    type = wsme.wsattr(types.text, mandatory=True)
+    description = wsme.wsattr(types.text, mandatory=False)
+    default = wsme.wsattr(types.text, mandatory=False)
+    required = wsme.wsattr(bool, mandatory=False, default=False)
+
+    # fields for type = string
+    minimum = wsme.wsattr(int, mandatory=False)
+    maximum = wsme.wsattr(int, mandatory=False)
+
+    # fields for type = integer, number
+    minLength = wsme.wsattr(int, mandatory=False)
+    maxLength = wsme.wsattr(int, mandatory=False)
+    pattern = wsme.wsattr(types.text, mandatory=False)
+    confidential = wsme.wsattr(bool, mandatory=False)
+
+    # fields for type = array
+    items = wsme.wsattr(ItemType, mandatory=False)
+    uniqueItems = wsme.wsattr(bool, mandatory=False)
+    minItems = wsme.wsattr(int, mandatory=False)
+    maxItems = wsme.wsattr(int, mandatory=False)
+    additionalItems = wsme.wsattr(bool, mandatory=False)
+
+    _wsme_attr_order = ('type', 'description', 'default', 'required',
+                        'minimum', 'maximum', 'minLength', 'maxLength',
+                        'pattern', 'confidential', 'items', 'uniqueItems',
+                        'additionalItems')
+
+    def __init__(self, **kwargs):
+        super(PropertyType, self).__init__(**kwargs)

graffiti/api/model/v1/resource_dao.py

@@ -14,10 +14,10 @@
 # limitations under the License.
 
 
-class ResourceControllerBase(object):
+class ResourceDAOBase(object):
 
     def __init__(self, **kwargs):
-        super(ResourceControllerBase, self).__init__(**kwargs)
+        super(ResourceDAOBase, self).__init__(**kwargs)
 
         self._type = 'None'
 
@@ -34,12 +34,12 @@ class ResourceControllerBase(object):
         pass
 
 
-class LocalResourceController(ResourceControllerBase):
+class LocalResourceDAO(ResourceDAOBase):
 
     def __init__(self, **kwargs):
-        super(LocalResourceController, self).__init__(**kwargs)
+        super(LocalResourceDAO, self).__init__(**kwargs)
 
-        self._type = 'LocalResourceController'
+        self._type = 'LocalResourceDAO'
 
         self._resources = dict()
         self._last_id = 0

graffiti/api/model/v1/resource_dao_factory.py

@@ -13,17 +13,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from graffiti.api.model.v1.resource_controller import LocalResourceController
+from graffiti.api.model.v1.resource_dao import LocalResourceDAO
 
 
-class ResourceControllerFactory(object):
+class ResourceDAOFactory(object):
 
     def __init__(self, **kwargs):
-        super(ResourceControllerFactory, self).__init__(**kwargs)
+        super(ResourceDAOFactory, self).__init__(**kwargs)
 
     @staticmethod
-    def create(controller_type, **kwargs):
-        if controller_type.lower() == 'local':
-            return LocalResourceController(**kwargs)
+    def create(dao_type, **kwargs):
+        if dao_type.lower() == 'local':
+            return LocalResourceDAO(**kwargs)
 
         return None

graffiti/api/plugins/__init__.py

@@ -0,0 +1 @@
+__author__ = 'lakshmi'

graffiti/api/plugins/glance_image.py

@@ -0,0 +1,95 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from glanceclient import Client
+from graffiti.api.model.v1.capability import Capability
+from graffiti.api.model.v1.property import Property
+from graffiti.api.model.v1.resource import Resource
+
+
+class GlanceImage(object):
+
+    def __init__(self, glance_endpoint, auth_token):
+        self.glance_endpoint = glance_endpoint
+        self.auth_token = auth_token
+        self.glance = Client('1', endpoint=glance_endpoint, token=auth_token)
+        self.separator = "."
+
+    def get_resource(self, image_id):
+        # glance_image_properties = {
+        #    "GLANCE.MySQL.Port": "3605",
+        #    "GLANCE.MySQL.Home": "/opt/mysql",
+        #    "GLANCE.Apache.Port": "8080",
+        #    "GLANCE.Apache.docroot": "/var/apache/static"
+        # }
+        image = self.glance.images.get(image_id)
+        glance_image_properties = image.properties
+        image_resource = Resource()
+        image_capability = Capability()
+        image_capabilities = []
+        image_resource.capabilities = image_capabilities
+
+        image_resource.id = image_id
+        image_resource.type = 'image'
+        # image_resource.name = "ubuntu 12.04"
+        image_resource.name = image.name
+
+        for key in glance_image_properties:
+            # replace if check with pattern matching
+            if key.count(self.separator) == 2:
+                (namespace, capability_type, prop_name) = key.split(".")
+                image_properties = []
+                image_property = Property()
+                image_property.name = prop_name
+                image_property.value = glance_image_properties[key]
+
+                image_capability = None
+                for capability in image_resource.capabilities:
+                    if capability.capability_type_namespace == namespace and \
+                            capability.capability_type == capability_type:
+                        image_capability = capability
+
+                if not image_capability:
+                    image_capability = Capability()
+                    image_resource.capabilities.append(image_capability)
+
+                image_capability.capability_type_namespace = namespace
+                image_capability.capability_type = capability_type
+                image_properties.append(image_property)
+
+                image_capability.properties = image_properties
+
+        return image_resource
+
+    def update_resource(self, resource):
+        """Update Glance Image
+        :type param: graffiti.api.model.v1.resource.Resource
+        """
+
+        image_properties = {}
+        for capability in resource.capabilities:
+            properties = capability.properties
+            capability_type = capability.capability_type
+            capability_type_namespace = capability.capability_type_namespace
+            for property in properties:
+                prop_name = capability_type_namespace + \
+                    self.separator + \
+                    capability_type + \
+                    self.separator + \
+                    property.name
+                image_properties[prop_name] = property.value
+
+        image = self.glance.images.get(resource.id)
+        image.update(properties=image_properties, purge_props=False)

graffiti/api/tests/base.py

@@ -18,10 +18,39 @@
 import os
 
 import fixtures
+from oslo.config import cfg
 import testtools
 
 _TRUE_VALUES = ('True', 'true', '1', 'yes')
 
+# DEFAULT group
+default_controller_group = cfg.OptGroup('DEFAULT')
+default_controller_opts = [
+    cfg.StrOpt(
+        'persistence_type',
+        default="memory",
+        help=("persistence options. "
+              "values = 'memory' or 'file' or 'db"))
+]
+
+cfg.CONF.register_group(default_controller_group)
+cfg.CONF.register_opts(default_controller_opts,
+                       group=default_controller_group)
+
+# FILE_PERSISTENCE group
+file_controller_group = cfg.OptGroup('FILE_PERSISTENCE')
+file_controller_opts = [
+    cfg.StrOpt(
+        'dictionary_folder',
+        default="/tmp/graffiti-dictionary-test/",
+        help=("Absolute path of the file for persisting dictionary")
+    )
+]
+
+cfg.CONF.register_group(file_controller_group)
+cfg.CONF.register_opts(file_controller_opts,
+                       group=file_controller_group)
+
 
 class TestCase(testtools.TestCase):
 

graffiti/api/tests/test_controller_v1.py

@@ -25,8 +25,12 @@ from graffiti.api.tests import base
 from graffiti.api.controllers.root import RootController
 from graffiti.api.controllers.versions import V1Controller
 
-from graffiti.api.model.v1.resource_controller_factory \
-    import ResourceControllerFactory
+from graffiti.api.controllers.v1.captype_controller_factory \
+    import CapTypeControllerFactory
+from graffiti.api.controllers.v1.ns_controller_factory \
+    import NSControllerFactory
+from graffiti.api.model.v1.resource_dao_factory \
+    import ResourceDAOFactory
 
 
 class TestControllerV1(base.TestCase):
@@ -35,14 +39,48 @@ class TestControllerV1(base.TestCase):
         root = RootController()
         self.assertIn(hasattr(root, 'v1'), [True])
 
+    def test_v1_namespace_exists(self):
+        v1 = V1Controller()
+        self.assertIn(hasattr(v1, 'namespace'), [True])
+
+    def test_v1_namespace_controller_factory__memory(self):
+        rc = NSControllerFactory.create('memory')
+        self.assertEquals(rc.get_type(), 'MemNSController')
+
+    # TODO(Lakshmi): Create folder before any tests run
+    # def test_v1_namespace_controller_factory__file(self):
+    #    rc = NSControllerFactory.create('file')
+    #    self.assertEquals(rc.get_type(), 'FileNSController')
+
+    def test_v1_namespace_controller_factory__db(self):
+        rc = NSControllerFactory.create('db')
+        self.assertEquals(rc.get_type(), 'DBNSController')
+
+    def test_v1_capability_type_exists(self):
+        v1 = V1Controller()
+        self.assertIn(hasattr(v1, 'capability_type'), [True])
+
+    def test_v1_capability_type_controller_factory__memory(self):
+        rc = CapTypeControllerFactory.create('memory')
+        self.assertEquals(rc.get_type(), 'MemCapabilityTypeController')
+
+    # TODO(Lakshmi): Create folder before any tests run
+    # def test_v1_capability_type_controller_factory__file(self):
+    #    rc = CapTypeControllerFactory.create('file')
+    #    self.assertEquals(rc.get_type(), 'FileCapabilityTypeController')
+
+    def test_v1_capability_type_controller_factory__db(self):
+        rc = CapTypeControllerFactory.create('db')
+        self.assertEquals(rc.get_type(), 'DBCapabilityTypeController')
+
     def test_v1_resource_exists(self):
         v1 = V1Controller()
         self.assertIn(hasattr(v1, 'resource'), [True])
 
     def test_v1_resource_controller_factory__local(self):
-        rc = ResourceControllerFactory.create('local')
-        self.assertEquals(rc.get_type(), 'LocalResourceController')
+        rc = ResourceDAOFactory.create('local')
+        self.assertEquals(rc.get_type(), 'LocalResourceDAO')
 
     def test_v1_resource_controller_factory__unknown(self):
-        rc = ResourceControllerFactory.create('invalid_controller')
+        rc = ResourceDAOFactory.create('invalid_controller')
         self.assertTrue(rc is None)

requirements.txt

@@ -3,3 +3,4 @@ Babel>=0.9.6
 pecan>=0.4.4
 WSME>=0.6
 oslo.config
+python-glanceclient

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.6
-envlist = py33,py27,py26,pep8
+envlist = py27,py26,pep8
 skipsdist = True
 
 [testenv]