New feature: Code changes for project support

Signed-off-by: Philip Joseph <philip.joseph@riftio.com>
diff --git a/common/python/rift/mano/cloud/accounts.py b/common/python/rift/mano/cloud/accounts.py
index d3aa860..6563512 100644
--- a/common/python/rift/mano/cloud/accounts.py
+++ b/common/python/rift/mano/cloud/accounts.py
@@ -53,7 +53,7 @@
         self._cal = self.plugin.get_interface("Cloud")
         self._cal.init(rwlog_hdl)
 
-        self._status = RwCloudYang.CloudAccount_ConnectionStatus(
+        self._status = RwCloudYang.CloudAcc_ConnectionStatus(
                 status="unknown",
                 details="Connection status lookup not started"
                 )
@@ -151,7 +151,7 @@
     @asyncio.coroutine
     def validate_cloud_account_credentials(self, loop):
         self._log.debug("Validating Cloud Account credentials %s", self._account_msg)
-        self._status = RwCloudYang.CloudAccount_ConnectionStatus(
+        self._status = RwCloudYang.CloudAcc_ConnectionStatus(
                 status="validating",
                 details="Cloud account connection validation in progress"
                 )
@@ -161,9 +161,9 @@
                 self.cal_account_msg,
                 )
         if rwstatus == RwTypes.RwStatus.SUCCESS:
-            self._status = RwCloudYang.CloudAccount_ConnectionStatus.from_dict(status.as_dict())
+            self._status = RwCloudYang.CloudAcc_ConnectionStatus.from_dict(status.as_dict())
         else:
-            self._status = RwCloudYang.CloudAccount_ConnectionStatus(
+            self._status = RwCloudYang.CloudAcc_ConnectionStatus(
                     status="failure",
                     details="Error when calling CAL validate cloud creds"
                     )
diff --git a/common/python/rift/mano/cloud/config.py b/common/python/rift/mano/cloud/config.py
index c62f129..f7906fd 100644
--- a/common/python/rift/mano/cloud/config.py
+++ b/common/python/rift/mano/cloud/config.py
@@ -21,11 +21,13 @@
 import gi
 gi.require_version('RwDts', '1.0')
 import rift.tasklets
+from rift.mano.utils.project import get_add_delete_update_cfgs
 
 from gi.repository import (
     RwcalYang as rwcal,
     RwDts as rwdts,
     ProtobufC,
+    RwCloudYang,
     )
 
 from . import accounts
@@ -38,32 +40,6 @@
     pass
 
 
-def get_add_delete_update_cfgs(dts_member_reg, xact, key_name):
-    # Unforunately, it is currently difficult to figure out what has exactly
-    # changed in this xact without Pbdelta support (RIFT-4916)
-    # As a workaround, we can fetch the pre and post xact elements and
-    # perform a comparison to figure out adds/deletes/updates
-    xact_cfgs = list(dts_member_reg.get_xact_elements(xact))
-    curr_cfgs = list(dts_member_reg.elements)
-
-    xact_key_map = {getattr(cfg, key_name): cfg for cfg in xact_cfgs}
-    curr_key_map = {getattr(cfg, key_name): cfg for cfg in curr_cfgs}
-
-    # Find Adds
-    added_keys = set(xact_key_map) - set(curr_key_map)
-    added_cfgs = [xact_key_map[key] for key in added_keys]
-
-    # Find Deletes
-    deleted_keys = set(curr_key_map) - set(xact_key_map)
-    deleted_cfgs = [curr_key_map[key] for key in deleted_keys]
-
-    # Find Updates
-    updated_keys = set(curr_key_map) & set(xact_key_map)
-    updated_cfgs = [xact_key_map[key] for key in updated_keys if xact_key_map[key] != curr_key_map[key]]
-
-    return added_cfgs, deleted_cfgs, updated_cfgs
-
-
 class CloudAccountConfigCallbacks(object):
     def __init__(self,
                  on_add_apply=None, on_add_prepare=None,
@@ -101,12 +77,13 @@
 
 
 class CloudAccountConfigSubscriber(object):
-    XPATH = "C,/rw-project:project/rw-cloud:cloud/rw-cloud:account"
+    XPATH = "C,/rw-cloud:cloud/rw-cloud:account"
 
-    def __init__(self, dts, log, rwlog_hdl, cloud_callbacks):
+    def __init__(self, dts, log, rwlog_hdl, project, cloud_callbacks):
         self._dts = dts
         self._log = log
         self._rwlog_hdl = rwlog_hdl
+        self._project = project
         self._reg = None
 
         self.accounts = {}
@@ -144,9 +121,16 @@
         self.delete_account(account_msg.name)
         self.add_account(account_msg)
 
+    def deregister(self):
+        self._log.debug("Project {}: De-register cloud account handler".
+                        format(self._project))
+        if self._reg:
+            self._reg.deregister()
+            self._reg = None
+
     def register(self):
         @asyncio.coroutine
-        def apply_config(dts, acg, xact, action, _):
+        def apply_config(dts, acg, xact, action, scratch):
             self._log.debug("Got cloud account apply config (xact: %s) (action: %s)", xact, action)
 
             if xact.xact is None:
@@ -188,12 +172,16 @@
             """ Prepare callback from DTS for Cloud Account """
 
             action = xact_info.query_action
+
+            xpath = ks_path.to_xpath(RwCloudYang.get_schema())
+
             self._log.debug("Cloud account on_prepare config received (action: %s): %s",
                             xact_info.query_action, msg)
 
             if action in [rwdts.QueryAction.CREATE, rwdts.QueryAction.UPDATE]:
                 if msg.name in self.accounts:
-                    self._log.debug("Cloud account already exists. Invoking update request")
+                    self._log.debug("Cloud account {} already exists. " \
+                                    "Invoking update request".format(msg.name))
 
                     # Since updates are handled by a delete followed by an add, invoke the
                     # delete prepare callbacks to give clients an opportunity to reject.
@@ -241,9 +229,10 @@
                         on_apply=apply_config,
                         )
 
+        xpath = self._project.add_project(CloudAccountConfigSubscriber.XPATH)
         with self._dts.appconf_group_create(acg_handler) as acg:
             self._reg = acg.register(
-                    xpath=CloudAccountConfigSubscriber.XPATH,
+                    xpath=xpath,
                     flags=rwdts.Flag.SUBSCRIBER | rwdts.Flag.DELTA_READY | rwdts.Flag.CACHE,
                     on_prepare=on_prepare,
                     )
diff --git a/common/python/rift/mano/cloud/operdata.py b/common/python/rift/mano/cloud/operdata.py
index 12ab801..a86f638 100644
--- a/common/python/rift/mano/cloud/operdata.py
+++ b/common/python/rift/mano/cloud/operdata.py
@@ -21,6 +21,7 @@
 from gi.repository import(
         RwCloudYang,
         RwDts as rwdts,
+        RwTypes,
         )
 
 class CloudAccountNotFound(Exception):
@@ -28,11 +29,14 @@
 
 
 class CloudAccountDtsOperdataHandler(object):
-    def __init__(self, dts, log, loop):
+    def __init__(self, dts, log, loop, project):
         self._dts = dts
         self._log = log
         self._loop = loop
+        self._project = project
 
+        self._regh = None
+        self._rpc = None
         self.cloud_accounts = {}
 
     def add_cloud_account(self, account):
@@ -71,13 +75,13 @@
 
     def _register_show_status(self):
         def get_xpath(cloud_name=None):
-            return "D,/rw-project:project/rw-cloud:cloud/account{}/connection-status".format(
-                    "[name='%s']" % cloud_name if cloud_name is not None else ''
-                    )
+            return "D,/rw-cloud:cloud/account{}/connection-status".format(
+                 "[name='%s']" % cloud_name if cloud_name is not None else ''
+            )
 
         @asyncio.coroutine
         def on_prepare(xact_info, action, ks_path, msg):
-            path_entry = RwCloudYang.CloudAccount.schema().keyspec_to_entry(ks_path)
+            path_entry = RwCloudYang.CloudAcc.schema().keyspec_to_entry(ks_path)
             cloud_account_name = path_entry.key00.name
             self._log.debug("Got show cloud connection status request: %s", ks_path.create_string())
 
@@ -86,9 +90,10 @@
                 for account in saved_accounts:
                     connection_status = account.connection_status
                     self._log.debug("Responding to cloud connection status request: %s", connection_status)
+                    xpath = self._project.add_project(get_xpath(account.name))
                     xact_info.respond_xpath(
                             rwdts.XactRspCode.MORE,
-                            xpath=get_xpath(account.name),
+                            xpath=xpath,
                             msg=account.connection_status,
                             )
             except KeyError as e:
@@ -98,8 +103,9 @@
 
             xact_info.respond_xpath(rwdts.XactRspCode.ACK)
 
-        yield from self._dts.register(
-                xpath=get_xpath(),
+        xpath = self._project.add_project(get_xpath())
+        self._regh = yield from self._dts.register(
+                xpath=xpath,
                 handler=rift.tasklets.DTS.RegistrationHandler(
                     on_prepare=on_prepare),
                 flags=rwdts.Flag.PUBLISHER,
@@ -113,12 +119,20 @@
         def on_prepare(xact_info, action, ks_path, msg):
             if not msg.has_field("cloud_account"):
                 raise CloudAccountNotFound("Cloud account name not provided")
-
             cloud_account_name = msg.cloud_account
+
+            if not self._project.rpc_check(msg, xact_info=xact_info):
+                return
+
             try:
                 account = self.cloud_accounts[cloud_account_name]
             except KeyError:
-                raise CloudAccountNotFound("Cloud account name %s not found" % cloud_account_name)
+                errmsg = "Cloud account name {} not found in project {}". \
+                         format(cloud_account_name, self._project.name)
+                xact_info.send_error_xpath(RwTypes.RwStatus.FAILURE,
+                                           get_xpath(),
+                                           errmsg)
+                raise CloudAccountNotFound(errmsg)
 
             account.start_validate_credentials(self._loop)
 
@@ -126,7 +140,7 @@
 
             xact_info.respond_xpath(rwdts.XactRspCode.ACK)
 
-        yield from self._dts.register(
+        self._rpc = yield from self._dts.register(
                 xpath=get_xpath(),
                 handler=rift.tasklets.DTS.RegistrationHandler(
                     on_prepare=on_prepare
@@ -138,3 +152,7 @@
     def register(self):
         yield from self._register_show_status()
         yield from self._register_validate_rpc()
+
+    def deregister(self):
+        yield from self._rpc.deregister()
+        yield from self._regh.deregister()