from nepi.execution.ec import ExperimentController
+import os, time
-def add_node(ec, host, user):
+def add_node(ec, host, user, pl_user, pl_password):
node = ec.register_resource("PlanetlabNode")
ec.set(node, "hostname", host)
ec.set(node, "username", user)
+ if pl_user:
+ ec.set(node, "pluser", pl_user)
+ if pl_password:
+ ec.set(node, "plpassword", pl_password)
ec.set(node, "cleanHome", True)
ec.set(node, "cleanProcesses", True)
+
return node
def add_ovs(ec, bridge_name, virtual_ip_pref, controller_ip, controller_port, node):
return tap
def add_tunnel(ec, port0, tap):
- tunnel = ec.register_resource("Tunnel")
+ tunnel = ec.register_resource("OVSTunnel")
ec.register_connection(port0, tunnel)
ec.register_connection(tunnel, tap)
return tunnel
switch1 = "planetlab2.virtues.fi"
switch2 = "planetlab2.upc.es"
host1 = "planetlab2.ionio.gr"
-host2 = "planetlab2.cs.aueb.gr"
+host2 = "planetlab2.diku.dk"
slicename = "inria_nepi"
-s1_node = add_node(ec, switch1, slicename)
-s2_node = add_node(ec, switch2, slicename)
+pl_user = os.environ.get("PL_USER")
+pl_password = os.environ.get("PL_PASS")
+
+s1_node = add_node(ec, switch1, slicename, pl_user, pl_password)
+s2_node = add_node(ec, switch2, slicename, pl_user, pl_password)
# Add switches
ovs1 = add_ovs(ec, "nepi_bridge", "192.168.3.1/24", "85.23.168.77", "6633", s1_node)
port2 = add_port(ec, "nepi_port2", ovs2)
port4 = add_port(ec, "nepi_port4", ovs2)
-h1_node = add_node(ec, host1, slicename)
-h2_node = add_node(ec, host2, slicename)
+h1_node = add_node(ec, host1, slicename, pl_user, pl_password)
+h2_node = add_node(ec, host2, slicename, pl_user, pl_password)
# Add tap devices
tap1 = add_tap(ec, "192.168.3.3", 24, "192.168.3.1", h1_node)
-tap2 = add_tap(ec, "192.168.3.4", 24, "192.168.3.1", h2_node)
+tap2 = add_tap(ec, "192.168.3.4", 24, "192.168.3.2", h2_node)
# Connect the nodes
tunnel1 = add_tunnel(ec, port1, tap1)
app2 = add_app(ec, "ping -c3 192.168.3.4", s2_node)
ec.deploy()
+
ec.wait_finished([app2])
# Retreive ping results and save
"""
node = self.node
if not node or node.state < ResourceState.READY:
- self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.node.state )
+ #self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.node.state )
self.ec.schedule(reschedule_delay, self.deploy)
-
- else:
- self.do_discover()
- self.do_provision()
- self.check_sliver_ovs()
- self.servers_on()
- self.create_bridge()
- self.assign_contr()
- self.ovs_status()
+ return
+
+ self.do_discover()
+ self.do_provision()
+ self.check_sliver_ovs()
+ self.servers_on()
+ self.create_bridge()
+ self.assign_controller()
+ self.ovs_status()
- super(OVSWitch, self).do_deploy()
+ super(OVSWitch, self).do_deploy()
def servers_on(self):
""" Start the openvswitch servers and also checking
# TODO: Add check for virtual_ip belonging to vsys_tag
self.del_old_br()
- if self.get("bridge_name") and self.get("virtual_ip_pref"):
- bridge_name = self.get("bridge_name")
- virtual_ip_pref = self.get("virtual_ip_pref")
- self.info(" Creating the bridge %s and assigning %s" %\
- (bridge_name, virtual_ip_pref) )
- cmd = "sliver-ovs create-bridge '%s' '%s'" %\
- (bridge_name, virtual_ip_pref)
- out = err = ""
- (out, err), proc = self.node.run_and_wait(cmd, self.ovs_checks,
- shfile = "create_br.sh",
- pidfile = "create_br_pidfile",
- ecodefile = "create_br_exitcode",
- sudo = True,
- stdout = "create_br_stdout",
- stderr = "create_br_stderr")
- (out, err), proc = self.node.check_output(self.ovs_checks, 'create_br_exitcode')
- if out != "0\n":
- msg = "No such pltap netdev\novs-appctl: ovs-vswitchd: server returned an error"
- self.debug("Check again the virtual IP")
- raise RuntimeError, msg
- self.info("Bridge %s created" % bridge_name)
-
- else:
+ if not (self.get("bridge_name") and self.get("virtual_ip_pref")):
msg = "No assignment in one or both attributes"
self.error(msg)
self.debug("Bridge name is %s and virtual_ip_pref is %s" %\
(self.get("bridge_name"), self.get("virtual_ip_pref")) )
raise AttributeError, msg
+
+ bridge_name = self.get("bridge_name")
+ virtual_ip_pref = self.get("virtual_ip_pref")
+ self.info(" Creating the bridge %s and assigning %s" %\
+ (bridge_name, virtual_ip_pref) )
+ cmd = "sliver-ovs create-bridge '%s' '%s'" %\
+ (bridge_name, virtual_ip_pref)
+ out = err = ""
+ (out, err), proc = self.node.run_and_wait(cmd, self.ovs_checks,
+ shfile = "create_br.sh",
+ pidfile = "create_br_pidfile",
+ ecodefile = "create_br_exitcode",
+ sudo = True,
+ stdout = "create_br_stdout",
+ stderr = "create_br_stderr")
+
+ (out, err), proc = self.node.check_output(self.ovs_checks, 'create_br_exitcode')
+ if out != "0\n":
+ msg = "No such pltap netdev\novs-appctl: ovs-vswitchd: server returned an error"
+ self.debug("Check again the virtual IP")
+ raise RuntimeError, msg
+
+ self.info("Bridge %s created" % bridge_name)
+
- def assign_contr(self):
+ def assign_controller(self):
""" Set the controller IP
"""
if self.get("controller_ip") and self.get("controller_port"):
msg = "info_list is empty"
self.debug(msg)
raise RuntimeError, msg
+
import socket
self.port_info.append(get_host_ip.get('hostname'))
self.port_info.append(socket.gethostbyname(self.port_info[0]))
""" Create the desired port
"""
port_name = self.get('port_name')
+
if not (port_name or self.ovswitch):
msg = "The rm_list is empty or the port name is not assigned\n Failed to create port"
self.error(msg)
self.error(msg)
self.debug("You are in the method get_local_end and the port_name = %s" % self.get('port_name'))
raise AttributeError, msg
+
self._port_number = None
self._port_number = int(out)
self.port_info.append(self._port_number)
""" Wait until ovswitch is started
"""
ovswitch = self.ovswitch
+
if not ovswitch or ovswitch.state < ResourceState.READY:
self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.ovswitch.state )
self.ec.schedule(reschedule_delay, self.deploy)
-
- else:
- self.do_discover()
- self.do_provision()
- self.get_host_ip()
- self.create_port()
- self.get_local_end()
- self.ovswitch.ovs_status()
+ return
+
+ self.do_discover()
+ self.do_provision()
+ self.get_host_ip()
+ self.create_port()
+ self.get_local_end()
+ self.ovswitch.ovs_status()
- super(OVSPort, self).do_deploy()
+ super(OVSPort, self).do_deploy()
def do_release(self):
""" Release the port RM means delete the ports
"""
# OVS needs to wait until all associated RMs are released
# to be released
- from nepi.resources.planetlab.openvswitch.tunnel import Tunnel
- rm = self.get_connected(Tunnel.rtype())
+ from nepi.resources.planetlab.openvswitch.tunnel import OVSTunnel
+ rm = self.get_connected(OVSTunnel.rtype())
+
if rm and rm[0].state < ResourceState.FINISHED:
self.ec.schedule(reschedule_delay, self.release)
return
self._pid = None
self._ppid = None
+
+ def log_message(self, msg):
+ return " guid %d - Tunnel - %s " % (self.guid, msg)
+
@property
def node(self):
- return self._nodes[0]
+ if self._nodes:
+ return self._nodes[0]
def app_home(self, node):
return os.path.join(node.exp_home, self._home)
def get_node(self, endpoint):
# Get connected to the nodes
+ res = []
if hasattr(endpoint, "create_port"):
- res = []
rm_list = endpoint.get_connected(OVSWitch.rtype())
if rm_list:
rm = rm_list[0].get_connected(PlanetlabNode.rtype())
- if rm:
- res.append(rm[0])
- return res
else:
- res = []
rm = endpoint.get_connected(PlanetlabNode.rtype())
- if rm :
- res.append(rm[0])
- return res
+
+ if rm :
+ res.append(rm[0])
+ return res
@property
def endpoint1(self):
port_endpoints = self.port_endpoints()
if len(port_endpoints) == 2:
return True
- else:
- return False
+ return False
def get_port_info(self, endpoint, rem_endpoint):
""" Retrieve the port_info list for each port
host1, ip1, pname1, virt_ip1, pnumber1 = self.port_info_tunl[1]
return (pname0, ip1, pnumber1)
- else:
- # Use for the link host-->switch
- self.port_info_tunl.append(endpoint.port_info)
- host0, ip0, pname0, virt_ip0, pnumber0 = self.port_info_tunl[0]
- return pnumber0
+ # Use for the link host-->switch
+ self.port_info_tunl.append(endpoint.port_info)
+ host0, ip0, pname0, virt_ip0, pnumber0 = self.port_info_tunl[0]
+ return pnumber0
def udp_connect(self, endpoint, rem_endpoint):
# Collect info from rem_endpoint
msg = "Connection on host %s configured" \
% self.node.get("hostname")
- self.info(msg)
+ self.debug(msg)
# Wait for pid file to be generated
self._nodes = self.get_node(endpoint)
stderr = "sw_stderr")
# check if execution errors occured
- msg = "Failed to connect endpoints"
-
if proc.poll():
+ msg = "Failed to connect endpoints"
self.error(msg, out, err)
raise RuntimeError, msg
- else:
- msg = "Connection on port %s configured" % local_port_name
- self.info(msg)
- return
+
+ # For debugging
+ msg = "Connection on port %s configured" % local_port_name
+ self.info(msg)
def sw_host_connect(self, endpoint, rem_endpoint):
"""Link switch--> host
text = True,
overwrite = False)
- #invoke connect script
+ # Invoke connect script
cmd = "bash %s" % shfile
(out, err), proc = self.node.run(cmd, self.run_home(self.node),
sudo = True,
stdout = "sw_stdout",
stderr = "sw_stderr")
- # check if execution errors occured
- msg = "Failed to connect endpoints"
+ # Check if execution errors occured
if proc.poll():
+ msg = "Failed to connect endpoints"
self.error(msg, out, err)
raise RuntimeError, msg
- else:
- msg = "Connection on port %s configured" % local_port_name
- self.info(msg)
- return
+
+ # For debugging
+ msg = "Connection on port %s configured" % local_port_name
+ self.debug(msg)
def do_provision(self):
""" Provision the tunnel
if self.check_endpoints():
#Invoke connect script between switches
- switch_connect1 = self.switch_connect(self.endpoint1, self.endpoint2)
- switch_connect2 = self.switch_connect(self.endpoint2, self.endpoint1)
+ self.switch_connect(self.endpoint1, self.endpoint2)
+ self.switch_connect(self.endpoint2, self.endpoint1)
else:
# Invoke connect script between switch & host
(self._pid, self._ppid) = self.udp_connect(self.endpoint2, self.endpoint1)
- switch_connect = self.sw_host_connect(self.endpoint1, self.endpoint2)
+ self.sw_host_connect(self.endpoint1, self.endpoint2)
super(OVSTunnel, self).do_provision()
if (not self.endpoint1 or self.endpoint1.state < ResourceState.READY) or \
(not self.endpoint2 or self.endpoint2.state < ResourceState.READY):
self.ec.schedule(reschedule_delay, self.deploy)
- else:
- self.do_discover()
- self.do_provision()
+ return
+
+ self.do_discover()
+ self.do_provision()
- super(OVSTunnel, self).do_deploy()
+ super(OVSTunnel, self).do_deploy()
def do_release(self):
""" Release the udp_tunnel on endpoint2.
self._nodes = self.get_node(self.endpoint2)
(out, err), proc = self.node.kill(self._pid,
self._ppid, sudo = True)
- if err or proc.poll():
+ if err or proc.poll():
# check if execution errors occurred
msg = " Failed to delete TAP device"
self.error(msg, err, err)