add extra startup arg for cadvisor and reset subnets in dummygatekeeper
[osm/vim-emu.git] / src / emuvim / api / sonata / dummygatekeeper.py
index 59960a9..5214146 100755 (executable)
@@ -47,6 +47,7 @@ import pkg_resources
 from subprocess import Popen
 from random import randint
 import ipaddress
+import copy
 
 logging.basicConfig()
 LOG = logging.getLogger("sonata-dummy-gatekeeper")
@@ -74,7 +75,13 @@ DEPLOY_SAP = False
 BIDIRECTIONAL_CHAIN = False
 
 # override the management interfaces in the descriptors with default docker0 interfaces in the containers
-USE_DOCKER_MGMT = True
+USE_DOCKER_MGMT = False
+
+# automatically deploy uploaded packages (no need to execute son-access deploy --latest separately)
+AUTO_DEPLOY = False
+
+# and also automatically terminate any other running services
+AUTO_DELETE = False
 
 def generate_subnets(prefix, base, subnet_size=50, mask=24):
     # Generate a list of ipaddress in subnets
@@ -85,12 +92,14 @@ def generate_subnets(prefix, base, subnet_size=50, mask=24):
     return r
 # private subnet definitions for the generated interfaces
 # 10.10.xxx.0/24
-SAP_SUBNETS = generate_subnets('10.10', 0, subnet_size=50, mask=24)
-# 10.20.xxx.0/24
+SAP_SUBNETS = generate_subnets('10.10', 0, subnet_size=50, mask=30)
+# 10.20.xxx.0/30
 ELAN_SUBNETS = generate_subnets('10.20', 0, subnet_size=50, mask=24)
 # 10.30.xxx.0/30
 ELINE_SUBNETS = generate_subnets('10.30', 0, subnet_size=50, mask=30)
 
+# path to the VNFD for the SAP VNF that is deployed as internal SAP point
+SAP_VNFD=None
 
 class Gatekeeper(object):
 
@@ -241,6 +250,12 @@ class Service(object):
         for v in vnf_instances:
             self._stop_vnfi(v)
 
+        for sap_name in self.saps_ext:
+            ext_sap = self.saps[sap_name]
+            target_dc = ext_sap.get("dc")
+            target_dc.removeExternalSAP(sap_name, ext_sap['net'])
+            LOG.info("Stopping the SAP instance: %r in DC %r" % (sap_name, target_dc))
+
         if not GK_STANDALONE_MODE:
             # remove placement?
             # self._remove_placement(RoundRobinPlacement)
@@ -478,7 +493,6 @@ class Service(object):
         # create list of all SAPs
         # check if we need to deploy management ports
         if USE_DOCKER_MGMT:
-            LOG.debug("nsd: {0}".format(self.nsd))
             SAPs = [p for p in self.nsd["connection_points"] if 'management' not in p.get('type')]
         else:
             SAPs = [p for p in self.nsd["connection_points"]]
@@ -502,7 +516,10 @@ class Service(object):
             # Each Service Access Point (connection_point) in the nsd is getting its own container (default)
             elif sap["type"] == "internal" or sap["type"] == "management":
                 # add SAP to self.vnfds
-                sapfile = pkg_resources.resource_filename(__name__, "sap_vnfd.yml")
+                if SAP_VNFD is None:
+                    sapfile = pkg_resources.resource_filename(__name__, "sap_vnfd.yml")
+                else:
+                    sapfile = SAP_VNFD
                 sap_vnfd = load_yaml(sapfile)
                 sap_vnfd["connection_points"][0]["id"] = sap_interface
                 sap_vnfd["name"] = sap_docker_name
@@ -534,7 +551,7 @@ class Service(object):
         elif sap["type"] == "external":
             target_dc = sap.get("dc")
             # add interface to dc switch
-            target_dc.attachExternalSAP(sap['name'], str(sap['net']))
+            target_dc.attachExternalSAP(sap['name'], sap['net'])
 
     def _connect_elines(self, eline_fwd_links, instance_uuid):
         """
@@ -563,26 +580,28 @@ class Service(object):
 
             elif src_sap_id in self.saps_ext:
                 src_id = src_sap_id
-                src_if_name = src_sap_id
+                # set intf name to None so the chaining function will choose the first one
+                src_if_name = None
                 src_name = self.vnf_id2vnf_name[src_id]
                 dst_name = self.vnf_id2vnf_name[dst_id]
                 dst_vnfi = self._get_vnf_instance(instance_uuid, dst_name)
                 if dst_vnfi is not None:
                     # choose first ip address in sap subnet
                     sap_net = self.saps[src_sap_id]['net']
-                    sap_ip = "{0}/{1}".format(str(sap_net[1]), sap_net.prefixlen)
+                    sap_ip = "{0}/{1}".format(str(sap_net[2]), sap_net.prefixlen)
                     self._vnf_reconfigure_network(dst_vnfi, dst_if_name, sap_ip)
                     setChaining = True
 
             elif dst_sap_id in self.saps_ext:
                 dst_id = dst_sap_id
-                dst_if_name = dst_sap_id
+                # set intf name to None so the chaining function will choose the first one
+                dst_if_name = None
                 src_name = self.vnf_id2vnf_name[src_id]
                 dst_name = self.vnf_id2vnf_name[dst_id]
                 src_vnfi = self._get_vnf_instance(instance_uuid, src_name)
                 if src_vnfi is not None:
                     sap_net = self.saps[dst_sap_id]['net']
-                    sap_ip = "{0}/{1}".format(str(sap_net[1]), sap_net.prefixlen)
+                    sap_ip = "{0}/{1}".format(str(sap_net[2]), sap_net.prefixlen)
                     self._vnf_reconfigure_network(src_vnfi, src_if_name, sap_ip)
                     setChaining = True
 
@@ -933,9 +952,27 @@ class Packages(fr.Resource):
                 with open(upload_path, 'wb') as f:
                     f.write(son_file)
             size = os.path.getsize(upload_path)
+
+            # first stop and delete any other running services
+            if AUTO_DELETE:
+                service_list = copy.copy(GK.services)
+                for service_uuid in service_list:
+                    instances_list = copy.copy(GK.services[service_uuid].instances)
+                    for instance_uuid in instances_list:
+                        # valid service and instance UUID, stop service
+                        GK.services.get(service_uuid).stop_service(instance_uuid)
+                        LOG.info("service instance with uuid %r stopped." % instance_uuid)
+
             # create a service object and register it
             s = Service(service_uuid, file_hash, upload_path)
             GK.register_service_package(service_uuid, s)
+
+            # automatically deploy the service
+            if AUTO_DEPLOY:
+                # ok, we have a service uuid, lets start the service
+                reset_subnets()
+                service_instance_uuid = GK.services.get(service_uuid).start_service()
+
             # generate the JSON result
             return {"service_uuid": service_uuid, "size": size, "sha1": file_hash, "error": None}, 201
         except Exception as ex:
@@ -1095,6 +1132,18 @@ def parse_interface(interface_name):
 
     return vnf_id, vnf_interface, vnf_sap_docker_name
 
+def reset_subnets():
+    # private subnet definitions for the generated interfaces
+    # 10.10.xxx.0/24
+    global SAP_SUBNETS
+    SAP_SUBNETS = generate_subnets('10.10', 0, subnet_size=50, mask=30)
+    # 10.20.xxx.0/30
+    global ELAN_SUBNETS
+    ELAN_SUBNETS = generate_subnets('10.20', 0, subnet_size=50, mask=24)
+    # 10.30.xxx.0/30
+    global ELINE_SUBNETS
+    ELINE_SUBNETS = generate_subnets('10.30', 0, subnet_size=50, mask=30)
+
 if __name__ == '__main__':
     """
     Lets allow to run the API in standalone mode.