install ryu,networkx

[osm/vim-emu.git] / emuvim / dcemulator / net.py

diff --git a/emuvim/dcemulator/net.py b/emuvim/dcemulator/net.py
old mode 100644 (file)
new mode 100755 (executable)
index 0efcafa..7b238b8
--- a/emuvim/dcemulator/net.py
+++ b/emuvim/dcemulator/net.py
@@ -4,106 +4,101 @@ Distributed Cloud Emulator (dcemulator)
 """
 import logging
 
 """
 import logging
 

-from mininet.net import Mininet
-from mininet.node import Controller, OVSKernelSwitch, Switch
+from mininet.net import Dockernet
+from mininet.node import Controller, OVSKernelSwitch, Switch, Docker, Host

 from mininet.cli import CLI
 from mininet.log import setLogLevel, info
 from mininet.link import TCLink, Link
 
 from mininet.cli import CLI
 from mininet.log import setLogLevel, info
 from mininet.link import TCLink, Link
 

-from node import Datacenter
+from node import Datacenter, EmulatorCompute

 
 
 
 

-class DCNetwork(object):
+class DCNetwork(Dockernet):

     """
     """

-    Wraps the original Mininet class and provides
+    Wraps the original Mininet/Dockernet class and provides

     methods to add data centers, switches, etc.
 
     This class is used by topology definition scripts.
     """
 
     methods to add data centers, switches, etc.
 
     This class is used by topology definition scripts.
     """
 

-    def __init__(self):
+    def __init__(self, **kwargs):

         self.dcs = {}
         self.dcs = {}

-        self.switches = {}
-        self.links = []
-

         # create a Mininet/Dockernet network
         # create a Mininet/Dockernet network

-        setLogLevel('info')  # set Mininet loglevel
-        self.mnet = Mininet(controller=Controller, switch=OVSKernelSwitch)
-        self.mnet.addController('c0')
+        # call original Docker.__init__ and setup default controller
+        Dockernet.__init__(
+            self, controller=Controller, switch=OVSKernelSwitch, **kwargs)
+        self.addController('c0')

 
 

-    def addDatacenter(self, name):
+    def addDatacenter(self, label, metadata={}):

         """
         Create and add a logical cloud data center to the network.
         """
         """
         Create and add a logical cloud data center to the network.
         """

-        if name in self.dcs:
-            raise Exception("Data center name already exists: %s" % name)
-        dc = Datacenter(name)
+        if label in self.dcs:
+            raise Exception("Data center label already exists: %s" % label)
+        dc = Datacenter(label, metadata=metadata)

         dc.net = self  # set reference to network
         dc.net = self  # set reference to network

-        self.dcs[name] = dc
+        self.dcs[label] = dc

         dc.create()  # finally create the data center in our Mininet instance
         dc.create()  # finally create the data center in our Mininet instance

-        logging.info("added data center: %s" % name)
+        logging.info("added data center: %s" % label)

         return dc
 
         return dc
 

-    def addSwitch(self, name):
-        """
-        We can also add additional SDN switches between data centers.
-        """
-        s = self.mnet.addSwitch(name)
-        self.switches[name] = s
-        logging.info("added switch: %s" % name)
-        return s
-
-    def addLink(self, node1, node2):
+    def addLink(self, node1, node2, **params):

         """
         Able to handle Datacenter objects as link
         end points.
         """
         assert node1 is not None
         assert node2 is not None
         """
         Able to handle Datacenter objects as link
         end points.
         """
         assert node1 is not None
         assert node2 is not None

+        logging.debug("addLink: n1=%s n2=%s" % (str(node1), str(node2)))

         # ensure type of node1
         if isinstance( node1, basestring ):
             if node1 in self.dcs:
                 node1 = self.dcs[node1].switch
         # ensure type of node1
         if isinstance( node1, basestring ):
             if node1 in self.dcs:
                 node1 = self.dcs[node1].switch

-            elif node1 in self.switches:
-                node1 = self.switches[node1]

         if isinstance( node1, Datacenter ):
             node1 = node1.switch
         # ensure type of node2
         if isinstance( node2, basestring ):
             if node2 in self.dcs:
                 node2 = self.dcs[node2].switch
         if isinstance( node1, Datacenter ):
             node1 = node1.switch
         # ensure type of node2
         if isinstance( node2, basestring ):
             if node2 in self.dcs:
                 node2 = self.dcs[node2].switch

-            elif node2 in self.switches:
-                node2 = self.switches[node2]

         if isinstance( node2, Datacenter ):
             node2 = node2.switch
         if isinstance( node2, Datacenter ):
             node2 = node2.switch

-        # create link if everything is correct
-        if (node1 is not None and isinstance(node1, OVSKernelSwitch)
-                and node2 is not None and isinstance(node2, OVSKernelSwitch)):
-            self.mnet.addLink(node1, node2)  # TODO we need TCLinks with user defined performance here
-        else:
-            raise Exception(
-                "one of the given nodes is not a Mininet switch or None")
+        # try to give containers a default IP
+        if isinstance( node1, Docker ):
+            if not "params1" in params:
+                params["params1"] = {}
+            if not "ip" in params["params1"]:
+                params["params1"]["ip"] = self.getNextIp()
+        if isinstance( node2, Docker ):
+            if not "params2" in params:
+                params["params2"] = {}
+            if not "ip" in params["params2"]:
+                params["params2"]["ip"] = self.getNextIp()
+
+        return Dockernet.addLink(self, node1, node2, **params)  # TODO we need TCLinks with user defined performance here

 
 

-    def addDocker( self, name, **params ):
+    def addDocker( self, label, **params ):

         """
         """

-        Wrapper for addDocker method provided by Dockernet.
+        Wrapper for addDocker method to use custom container class.

         """
         """

-        return self.mnet.addDocker( name, **params)
+        return Dockernet.addDocker(self, label, cls=EmulatorCompute, **params)

 
 

-    def removeDocker( self, name, **params):
+    def getAllContainers(self):

         """
         """

-        Wrapper for removeHost. Just to be complete.
+        Returns a list with all containers within all data centers.

         """
         """

-        return self.mnet.removeDocker(name, **params)
+        all_containers = []
+        for dc in self.dcs.itervalues():
+            all_containers += dc.listCompute()
+        return all_containers

 
     def start(self):
         # start
         for dc in self.dcs.itervalues():
             dc.start()
 
     def start(self):
         # start
         for dc in self.dcs.itervalues():
             dc.start()

-        self.mnet.start()
+        Dockernet.start(self)

 
     def stop(self):
 
     def stop(self):

-        self.mnet.stop()
+        Dockernet.stop(self)

 
     def CLI(self):
 
     def CLI(self):

-        CLI(self.mnet)
+        CLI(self)