add monitoring optimizations

[osm/vim-emu.git] / src / emuvim / api / sonata / dummygatekeeper.py

diff --git a/src/emuvim/api/sonata/dummygatekeeper.py b/src/emuvim/api/sonata/dummygatekeeper.py
index c3d8802..735860c 100755 (executable)
--- a/src/emuvim/api/sonata/dummygatekeeper.py
+++ b/src/emuvim/api/sonata/dummygatekeeper.py
@@ -67,11 +67,15 @@ FORCE_PULL = False
 # Attention: This is not a configuration switch but a global variable! Don't change its default value.
 DEPLOY_SAP = False
 
+# flag to indicate if we use bidirectional forwarding rules in the automatic chaining process
+BIDIRECTIONAL_CHAIN = False
+
 class Gatekeeper(object):
 
     def __init__(self):
         self.services = dict()
         self.dcs = dict()
+        self.net = None
         self.vnf_counter = 0  # used to generate short names for VNFs (Mininet limitation)
         LOG.info("Create SONATA dummy gatekeeper.")
 
@@ -117,7 +121,6 @@ class Service(object):
         self.eline_subnets_src = generate_subnet_strings(50, start=200, subnet_size=24, ip=1)
         self.eline_subnets_dst = generate_subnet_strings(50, start=200, subnet_size=24, ip=2)
 
-
     def onboard(self):
         """
         Do all steps to prepare this service to be instantiated
@@ -178,6 +181,9 @@ class Service(object):
         eline_fwd_links = [l for l in vlinks if (l["id"] in fwd_links) and (l["connectivity_type"] == "E-Line")]
         elan_fwd_links = [l for l in vlinks if (l["id"] in fwd_links) and (l["connectivity_type"] == "E-LAN")]
 
+        GK.net.deployed_elines.extend(eline_fwd_links)
+        GK.net.deployed_elans.extend(elan_fwd_links)
+
         # 4a. deploy E-Line links
         # cookie is used as identifier for the flowrules installed by the dummygatekeeper
         # eg. different services get a unique cookie for their flowrules
@@ -212,7 +218,7 @@ class Service(object):
                 ret = network.setChain(
                     src_docker_name, dst_docker_name,
                     vnf_src_interface=src_if_name, vnf_dst_interface=dst_if_name,
-                    bidirectional=True, cmd="add-flow", cookie=cookie, priority=10)
+                    bidirectional=BIDIRECTIONAL_CHAIN, cmd="add-flow", cookie=cookie, priority=10)
 
                 # re-configure the VNFs IP assignment and ensure that a new subnet is used for each E-Link
                 src_vnfi = self._get_vnf_instance(instance_uuid, src_name)
@@ -225,6 +231,9 @@ class Service(object):
         # 4b. deploy E-LAN links
         base = 10
         for link in elan_fwd_links:
+
+            elan_vnf_list=[]
+
             # generate lan ip address
             ip = 1
             for intf in link["connection_points_reference"]:
@@ -233,6 +242,8 @@ class Service(object):
                 if vnf_id in self.sap_identifiers:
                     src_docker_name = "{0}_{1}".format(vnf_id, intf_name)
                     vnf_id = src_docker_name
+                else:
+                    src_docker_name = vnf_id
                 vnf_name = vnf_id2vnf_name[vnf_id]
                 LOG.debug(
                     "Setting up E-LAN link. %s(%s:%s) -> %s" % (
@@ -247,6 +258,14 @@ class Service(object):
                         self._vnf_reconfigure_network(vnfi, intf_name, ip_address)
                         # increase for the next ip address on this E-LAN
                         ip += 1
+
+                        # add this vnf and interface to the E-LAN for tagging
+                        network = self.vnfds[vnf_name].get("dc").net  # there should be a cleaner way to find the DCNetwork
+                        elan_vnf_list.append({'name':src_docker_name,'interface':intf_name})
+
+
+            # install the VLAN tags for this E-LAN
+            network.setLAN(elan_vnf_list)
             # increase the base ip address for the next E-LAN
             base += 1
 
@@ -369,6 +388,7 @@ class Service(object):
                 self.package_content_path,
                 make_relative_path(self.manifest.get("entry_service_template")))
             self.nsd = load_yaml(nsd_path)
+            GK.net.deployed_nsds.append(self.nsd)
             LOG.debug("Loaded NSD: %r" % self.nsd.get("name"))
 
     def _load_vnfd(self):
@@ -392,12 +412,10 @@ class Service(object):
         for sap in SAPs:
             # endpoints needed in this service
             sap_vnf_id, sap_vnf_interface = sap.split(':')
-            # Fix: lets fix the name of the SAP interface to "sap0"
-            sap_vnf_interface = "sap0"
             # set of the connection_point ids found in the nsd (in the examples this is 'ns')
             self.sap_identifiers.add(sap_vnf_id)
 
-            sap_docker_name = sap.replace(':', '_')
+            sap_docker_name = "%s_%s" % (sap_vnf_id, sap_vnf_interface)
 
             # add SAP to self.vnfds
             sapfile = pkg_resources.resource_filename(__name__, "sap_vnfd.yml")
@@ -556,7 +574,7 @@ class Packages(fr.Resource):
             s = Service(service_uuid, file_hash, upload_path)
             GK.register_service_package(service_uuid, s)
             # generate the JSON result
-            return {"service_uuid": service_uuid, "size": size, "sha1": file_hash, "error": None}
+            return {"service_uuid": service_uuid, "size": size, "sha1": file_hash, "error": None}, 201
         except Exception as ex:
             LOG.exception("Service package upload failed:")
             return {"service_uuid": None, "size": 0, "sha1": None, "error": "upload failed"}, 500
@@ -616,6 +634,7 @@ api.add_resource(Instantiations, '/instantiations')
 
 def start_rest_api(host, port, datacenters=dict()):
     GK.dcs = datacenters
+    GK.net = get_dc_network()
     # start the Flask server (not the best performance but ok for our use case)
     app.run(host=host,
             port=port,
@@ -664,6 +683,14 @@ def generate_subnet_strings(n, start=1, subnet_size=24, ip=0):
         r.append("%d.0.0.%d/%d" % (i, ip, subnet_size))
     return r
 
+def get_dc_network():
+    """
+    retrieve the DCnetwork where this dummygatekeeper (GK) connects to.
+    Assume at least 1 datacenter is connected to this GK, and that all datacenters belong to the same DCNetwork
+    :return:
+    """
+    assert (len(GK.dcs) > 0)
+    return GK.dcs.values()[0].net
 
 if __name__ == '__main__':
     """