import os
@clsinit_copy
-class OVSSwitch(LinuxApplication):
+class PlanetlabOVSSwitch(LinuxApplication):
"""
.. class:: Class Args :
""" Register the attributes of OVSSwitch RM
"""
- bridge_name = Attribute("bridge_name", "Name of the switch/bridge",
+ bridge_name = Attribute("bridge_name",
+ "Name of the switch/bridge",
flags = Flags.Design)
- virtual_ip_pref = Attribute("virtual_ip_pref", "Virtual IP/PREFIX of the switch",
+ virtual_ip_pref = Attribute("virtual_ip_pref",
+ "Virtual IP/PREFIX of the switch",
flags = Flags.Design)
- controller_ip = Attribute("controller_ip", "IP of the controller",
+ controller_ip = Attribute("controller_ip",
+ "IP of the controller",
flags = Flags.Design)
- controller_port = Attribute("controller_port", "Port of the controller",
+ controller_port = Attribute("controller_port",
+ "Port of the controller",
flags = Flags.Design)
cls._register_attribute(bridge_name)
:type guid: int
"""
- super(OVSSwitch, self).__init__(ec, guid)
+ super(PlanetlabOVSSwitch, self).__init__(ec, guid)
self._home = "ovsswitch-%s" % self.guid
- self._checks = "ovsChecks-%s" % self.guid
+ self._node = None
@property
def node(self):
""" Node wthat run the switch
"""
- node = self.get_connected(PlanetlabNode.get_rtype())
- if node: return node[0]
- return None
+ if not self._node:
+ nodes = self.get_connected(PlanetlabNode.get_rtype())
+ if not nodes or len(nodes) != 1:
+ msg = "PlanetlabOVSSwitch must be connected to exactly one PlanetlabNode"
+ #self.error(msg)
+ raise RuntimeError, msg
- def log_message(self, msg):
- return " guid %d - OVSSwitch - %s " % (self.guid, msg)
+ self._node = nodes[0]
- @property
- def ovs_home(self):
- return os.path.join(self.node.exp_home, self._home)
-
- @property
- def ovs_checks(self):
- return os.path.join(self.ovs_home, self._checks)
+ return self._node
def valid_connection(self, guid):
""" Check if the connection with the guid in parameter is possible. Only meaningful connections are allowed.
"""
rm = self.ec.get_resource(guid)
- if rm.get_rtype() in self._authorized_connections:
- msg = "Connection between %s %s and %s %s accepted" % \
- (self.get_rtype(), self._guid, rm.get_rtype(), guid)
- self.debug(msg)
- return True
- msg = "Connection between %s %s and %s %s refused" % \
- (self.get_rtype(), self._guid, rm.get_rtype(), guid)
- self.debug(msg)
- return False
+ if rm.get_rtype() not in self._authorized_connections:
+ return False
+ return True
def do_provision(self):
- """ Create the different OVS folder.
- """
+ self.node.mkdir(self.run_home)
- # create home dir for ovs
- self.node.mkdir(self.ovs_home)
- # create dir for ovs checks
- self.node.mkdir(self.ovs_checks)
+ self.check_sliver_ovs()
+ self.servers_on()
+ self.create_bridge()
+ self.assign_controller()
+ self.ovs_status()
- super(OVSSwitch, self).do_provision()
+ self.set_provisioned()
def do_deploy(self):
""" Deploy the OVS Switch : Turn on the server, create the bridges
"""
if not self.node or self.node.state < ResourceState.READY:
+ self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.node.state)
self.ec.schedule(self.reschedule_delay, self.deploy)
- return
-
- self.do_discover()
- self.do_provision()
-
- self.check_sliver_ovs()
- self.servers_on()
- self.create_bridge()
- self.assign_controller()
- self.ovs_status()
-
- super(OVSSwitch, self).do_deploy()
+ else:
+ self.do_discover()
+ self.do_provision()
+
+ self.set_ready()
def check_sliver_ovs(self):
""" Check if sliver-ovs exists. If it does not exist, the execution is stopped
"""
-
- cmd = "compgen -c | grep sliver-ovs"
- out = err = ""
-
- (out,err), proc = self.node.run_and_wait(cmd, self.ovs_checks,
- shfile = "check_cmd.sh",
- pidfile = "check_cmd_pidfile",
- ecodefile = "check_cmd_exitcode",
- sudo = True,
- stdout = "check_cmd_stdout",
- stderr = "check_cmd_stderr")
-
- (out, err), proc = self.node.check_output(self.ovs_checks, 'check_cmd_exitcode')
-
- if out != "0\n":
+ command = "compgen -c | grep sliver-ovs"
+ shfile = os.path.join(self.app_home, "check_ovs_cmd.sh")
+ try:
+ self.node.run_and_wait(command, self.run_home,
+ shfile=shfile,
+ sudo = True,
+ pidfile="check_ovs_cmd_pidfile",
+ ecodefile="check_ovs_cmd_exitcode",
+ stdout="check_ovs_cmd_stdout",
+ stderr="check_ovs_cmd_stderr")
+ except RuntimeError:
msg = "Command sliver-ovs does not exist on the VM"
self.debug(msg)
raise RuntimeError, msg
- msg = "Command sliver-ovs exists"
- self.debug(msg)
-
def servers_on(self):
""" Start the openvswitch servers and check it
"""
-
- # Start the server
+ # Make sure the server is not running
+ command = "sliver-ovs del-bridge %s; sliver-ovs stop" % self.get('bridge_name')
+ shfile = os.path.join(self.app_home, "clean.sh")
+ self.node.run_and_wait(command, self.run_home,
+ shfile=shfile,
+ sudo=True,
+ raise_on_error=False,
+ pidfile="clean_pidfile",
+ ecodefile="clean_exitcode",
+ stdout="clean_stdout",
+ stderr="clean_stderr")
+
+ # start the server
command = "sliver-ovs start"
- out = err = ""
- (out, err), proc = self.node.run_and_wait(command, self.ovs_checks,
- shfile = "start_srv.sh",
- pidfile = "start_srv_pidfile",
- ecodefile = "start_srv_exitcode",
- sudo = True,
- raise_on_error = True,
- stdout = "start_srv_stdout",
- stderr = "start_srv_stderr")
- (out, err), proc = self.node.check_output(self.ovs_checks, 'start_srv_exitcode')
-
- if out != "0\n":
- self.error("Servers have not started")
- raise RuntimeError, msg
-
- # Check if the servers are running or not
- cmd = "ps -A | grep ovsdb-server"
- out = err = ""
- (out, err), proc = self.node.run_and_wait(cmd, self.ovs_checks,
- shfile = "status_srv.sh",
- pidfile = "status_srv_pidfile",
- ecodefile = "status_srv_exitcode",
- sudo = True,
- stdout = "status_srv_stdout",
- stderr = "status_srv_stderr")
- (out, err), proc = self.node.check_output(self.ovs_checks, 'status_srv_exitcode')
-
- if out != "0\n":
- msg = "Servers are not running"
- self.error(msg)
+ shfile = os.path.join(self.app_home, "start.sh")
+ try:
+ self.node.run_and_wait(command, self.run_home,
+ shfile=shfile,
+ sudo=True,
+ pidfile="start_pidfile",
+ ecodefile="start_exitcode",
+ stdout="start_stdout",
+ stderr="start_stderr")
+ except RuntimeError:
+ msg = "Failed to start ovs-server on VM"
+ self.debug(msg)
+ raise RuntimeError, msg
+
+ command = "ps -A | grep ovsdb-server"
+ shfile = os.path.join(self.app_home, "ovsdb_status.sh")
+ try:
+ self.node.run_and_wait(command, self.run_home,
+ shfile=shfile,
+ sudo=True,
+ pidfile="ovsdb_status_pidfile",
+ ecodefile="ovsdb_status_exitcode",
+ stdout="ovsdb_status_stdout",
+ stderr="ovsdb_status_stderr")
+ except RuntimeError:
+ msg = "ovsdb-server not running on VM"
+ self.debug(msg)
raise RuntimeError, msg
- self.info("Server OVS Started Correctly")
+ self.info("Server OVS Started...")
def create_bridge(self):
""" Create the bridge/switch and check error during SSH connection
"""
# TODO: Check if previous bridge exist and delete them. Use ovs-vsctl list-br
# TODO: Add check for virtual_ip belonging to vsys_tag
-
-
if not (self.get("bridge_name") and self.get("virtual_ip_pref")):
msg = "No assignment in one or both attributes"
self.error(msg)
raise AttributeError, msg
- cmd = "sliver-ovs create-bridge '%s' '%s'" %\
- (self.get("bridge_name"), self.get("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":
+ command = "sliver-ovs create-bridge '%s' '%s'" % (
+ self.get("bridge_name"),
+ self.get("virtual_ip_pref"))
+
+ shfile = os.path.join(self.app_home, "bridge_create.sh")
+ try:
+ self.node.run_and_wait(command, self.run_home,
+ shfile=shfile,
+ sudo=True,
+ pidfile="bridge_create_pidfile",
+ ecodefile="bridge_create_exitcode",
+ stdout="bridge_create_stdout",
+ stderr="bridge_create_stderr")
+ except RuntimeError:
msg = "No such pltap netdev\novs-appctl: ovs-vswitchd: server returned an error"
- self.error(msg)
+ self.debug(msg)
raise RuntimeError, msg
self.info(" Bridge %s Created and Assigned to %s" %\
(self.get("bridge_name"), self.get("virtual_ip_pref")) )
-
def assign_controller(self):
""" Set the controller IP
"""
+ if not (self.get("controller_ip") and self.get("controller_port")):
+ return
+
+ """
if not (self.get("controller_ip") and self.get("controller_port")):
msg = "No assignment in one or both attributes"
self.error(msg)
raise AttributeError, msg
-
- cmd = "ovs-vsctl set-controller %s tcp:%s:%s" %\
- (self.get("bridge_name"), self.get("controller_ip"), self.get("controller_port"))
- out = err = ""
- (out, err), proc = self.node.run(cmd, self.ovs_checks,
- sudo = True,
- stdout = "stdout",
- stderr = "stderr")
-
- if err != "":
+ """
+ command = "ovs-vsctl set-controller %s tcp:%s:%s" % \
+ (self.get("bridge_name"),
+ self.get("controller_ip"),
+ self.get("controller_port"))
+
+ shfile = os.path.join(self.app_home, "set_controller.sh")
+ try:
+ self.node.run_and_wait(command, self.run_home,
+ shfile=shfile,
+ sudo=True,
+ pidfile="set_controller_pidfile",
+ ecodefile="set_controller_exitcode",
+ stdout="set_controller_stdout",
+ stderr="set_controller_stderr")
+ except RuntimeError:
msg = "SSH connection in the method assign_controller"
- self.error(msg)
+ self.debug(msg)
raise RuntimeError, msg
self.info("Controller assigned to the bridge %s" % self.get("bridge_name"))
def ovs_status(self):
""" Print the status of the bridge
"""
-
- cmd = "sliver-ovs show | tail -n +2"
- out = err = ""
- (out, err), proc = self.node.run_and_wait(cmd, self.ovs_home,
- sudo = True,
- stdout = "show_stdout",
- stderr = "show_stderr")
- (out, err), proc = self.node.check_output(self.ovs_home, 'show_stdout')
-
- if out == "":
+ command = "sliver-ovs show | tail -n +2"
+ shfile = os.path.join(self.app_home, "ovs_status.sh")
+ try:
+ self.node.run_and_wait(command, self.run_home,
+ shfile=shfile,
+ sudo=True,
+ pidfile="ovs_status_pidfile",
+ ecodefile="ovs_status_exitcode",
+ stdout="ovs_status_stdout",
+ stderr="ovs_status_stderr")
+ except RuntimeError:
msg = "Error when checking the status of the OpenVswitch"
- self.error(msg)
+ self.debug(msg)
raise RuntimeError, msg
-
- self.debug(out)
def do_release(self):
""" Delete the bridge and close the server.
"""
- from nepi.resources.planetlab.openvswitch.ovsport import OVSPort
- rms = self.get_connected(OVSPort.get_rtype())
+ from nepi.resources.planetlab.openvswitch.ovsport import PlanetlabOVSPort
+ rms = self.get_connected(PlanetlabOVSPort.get_rtype())
- for rm in rms :
+ for rm in rms:
if rm.state < ResourceState.RELEASED:
self.ec.schedule(self.reschedule_delay, self.release)
return
- cmd = "sliver-ovs del-bridge %s" % self.get('bridge_name')
- (out, err), proc = self.node.run(cmd, self.ovs_checks,
- sudo = True)
-
- cmd = "sliver-ovs stop"
- (out, err), proc = self.node.run(cmd, self.ovs_checks,
- sudo = True)
-
msg = "Deleting the bridge %s" % self.get('bridge_name')
self.info(msg)
- if proc.poll():
- self.error(msg, out, err)
- raise RuntimeError, msg
-
- super(OVSSwitch, self).do_release()
+ command = "sliver-ovs del-bridge %s; sliver-ovs stop" % self.get('bridge_name')
+ shfile = os.path.join(self.app_home, "stop.sh")
+
+ self.node.run_and_wait(command, self.run_home,
+ shfile=shfile,
+ sudo=True,
+ pidfile="stop_pidfile",
+ ecodefile="stop_exitcode",
+ stdout="stop_stdout",
+ stderr="stop_stderr")
+
+ super(PlanetlabOVSSwitch, self).do_release()
git://git.onelab.eu / nepi.git / blobdiff