mirror of
https://github.com/openvswitch/ovs
synced 2025-10-19 14:37:21 +00:00
ea523221d4
The vlog manpage implies that writing ANY explicitly is obsolete, but examples elsewhere in the documentation and code still tend to add it. This removes them. Signed-off-by: Ben Pfaff <blp@nicira.com>
332 lines
12 KiB
Python
332 lines
12 KiB
Python
# Copyright (c) 2007-2011 Citrix Systems Inc.
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# Copyright (c) 2009,2010,2011,2012 Nicira, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 only.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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from XSConsoleLog import *
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import os
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import socket
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import subprocess
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vsctl="/usr/bin/ovs-vsctl"
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if __name__ == "__main__":
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raise Exception("This script is a plugin for xsconsole and cannot run independently")
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from XSConsoleStandard import *
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class VSwitchService:
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service = {}
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def __init__(self, name, processname=None):
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self.name = name
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self.processname = processname
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if self.processname == None:
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self.processname = name
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def version(self):
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try:
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output = ShellPipe(["service", self.name, "version"]).Stdout()
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except StandardError, e:
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XSLogError("vswitch version retrieval error: " + str(e))
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return "<unknown>"
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for line in output:
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if self.processname in line:
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return line.split()[-1]
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return "<unknown>"
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def status(self):
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try:
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output = ShellPipe(["service", self.name, "status"]).Stdout()
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except StandardError, e:
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XSLogError("vswitch status retrieval error: " + str(e))
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return "<unknown>"
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if len(output) == 0:
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return "<unknown>"
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for line in output:
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if self.processname not in line:
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continue
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elif "running" in line:
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return "Running"
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elif "stop" in line:
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return "Stopped"
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else:
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return "<unknown>"
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return "<unknown>"
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def restart(self):
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try:
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ShellPipe(["service", self.name, "restart"]).Call()
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except StandardError, e:
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XSLogError("vswitch restart error: " + str(e))
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@classmethod
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def Inst(cls, name, processname=None):
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key = name
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if processname != None:
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key = key + "-" + processname
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if name not in cls.service:
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cls.service[key] = VSwitchService(name, processname)
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return cls.service[key]
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class VSwitchConfig:
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@staticmethod
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def Get(action):
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try:
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arg = [vsctl, "--timeout=30", "-vconsole:off"] + action.split()
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output = ShellPipe(arg).Stdout()
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except StandardError, e:
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XSLogError("config retrieval error: " + str(e))
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return "<unknown>"
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if len(output) == 0:
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output = ""
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else:
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output = output[0].strip()
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return output
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class VSwitchControllerDialogue(Dialogue):
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def __init__(self):
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Dialogue.__init__(self)
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data=Data.Inst()
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self.hostsInPool = 0
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self.hostsUpdated = 0
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self.xs_version = data.host.software_version.product_version('')
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pool = data.GetPoolForThisHost()
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if pool is not None:
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self.controller = pool.get("vswitch_controller", "")
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else:
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self.controller = ""
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choiceDefs = [
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ChoiceDef(Lang("Set pool-wide controller"),
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lambda: self.getController()),
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ChoiceDef(Lang("Delete pool-wide controller"),
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lambda: self.deleteController()),
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ChoiceDef(Lang("Resync server controller config"),
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lambda: self.syncController()),
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# ChoiceDef(Lang("Restart ovs-vswitchd"),
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# lambda: self.restartService("vswitch")),
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]
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self.menu = Menu(self, None, Lang("Configure Open vSwitch"), choiceDefs)
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self.ChangeState("INITIAL")
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def BuildPane(self):
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pane = self.NewPane(DialoguePane(self.parent))
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pane.TitleSet(Lang("Configure Open vSwitch"))
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pane.AddBox()
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def ChangeState(self, inState):
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self.state = inState
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self.BuildPane()
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self.UpdateFields()
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def UpdateFields(self):
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self.Pane().ResetPosition()
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getattr(self, "UpdateFields" + self.state)() # Dispatch method named 'UpdateFields'+self.state
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def UpdateFieldsINITIAL(self):
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pane = self.Pane()
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pane.AddTitleField(Lang("Select an action"))
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pane.AddMenuField(self.menu)
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pane.AddKeyHelpField( { Lang("<Enter>") : Lang("OK"), Lang("<Esc>") : Lang("Cancel") } )
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def UpdateFieldsGETCONTROLLER(self):
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pane = self.Pane()
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pane.ResetFields()
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pane.AddTitleField(Lang("Enter IP address of controller"))
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pane.AddInputField(Lang("Address", 16), self.controller, "address")
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pane.AddKeyHelpField( { Lang("<Enter>") : Lang("OK"), Lang("<Esc>") : Lang("Exit") } )
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if pane.CurrentInput() is None:
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pane.InputIndexSet(0)
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def HandleKey(self, inKey):
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handled = False
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if hasattr(self, "HandleKey" + self.state):
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handled = getattr(self, "HandleKey" + self.state)(inKey)
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if not handled and inKey == 'KEY_ESCAPE':
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Layout.Inst().PopDialogue()
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handled = True
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return handled
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def HandleKeyINITIAL(self, inKey):
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return self.menu.HandleKey(inKey)
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def HandleKeyGETCONTROLLER(self, inKey):
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pane = self.Pane()
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if pane.CurrentInput() is None:
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pane.InputIndexSet(0)
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if inKey == 'KEY_ENTER':
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inputValues = pane.GetFieldValues()
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self.controller = inputValues['address']
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Layout.Inst().PopDialogue()
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# Make sure the controller is specified as a valid dotted quad
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try:
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socket.inet_aton(self.controller)
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except socket.error:
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Layout.Inst().PushDialogue(InfoDialogue(Lang("Please enter in dotted quad format")))
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return True
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Layout.Inst().TransientBanner(Lang("Setting controller..."))
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try:
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self.SetController(self.controller)
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Layout.Inst().PushDialogue(InfoDialogue(Lang("Setting controller successful")))
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except Exception, e:
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Layout.Inst().PushDialogue(InfoDialogue(Lang("Setting controller failed")))
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self.ChangeState("INITIAL")
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return True
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else:
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return pane.CurrentInput().HandleKey(inKey)
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def restartService(self, name):
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s = VSwitchService.Inst(name)
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s.restart()
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Layout.Inst().PopDialogue()
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def getController(self):
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self.ChangeState("GETCONTROLLER")
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self.Pane().InputIndexSet(0)
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def deleteController(self):
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self.controller = ""
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Layout.Inst().PopDialogue()
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Layout.Inst().TransientBanner(Lang("Deleting controller..."))
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try:
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self.SetController(None)
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Layout.Inst().PushDialogue(InfoDialogue(Lang("Controller deletion successful")))
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except Exception, e:
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Layout.Inst().PushDialogue(InfoDialogue(Lang("Controller deletion failed")))
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def syncController(self):
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Layout.Inst().PopDialogue()
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Layout.Inst().TransientBanner(Lang("Resyncing controller setting..."))
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try:
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Task.Sync(lambda s: self._updateThisServer(s))
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Layout.Inst().PushDialogue(InfoDialogue(Lang("Resyncing controller config successful")))
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except Exception, e:
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Layout.Inst().PushDialogue(InfoDialogue(Lang("Resyncing controller config failed")))
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def SetController(self, ip):
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self.hostsInPool = 0
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self.hostsUpdated = 0
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Task.Sync(lambda s: self._modifyPoolConfig(s, ip or ""))
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# Should be done asynchronously, maybe with an external script?
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Task.Sync(lambda s: self._updateActiveServers(s))
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def _modifyPoolConfig(self, session, value):
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"""Modify pool configuration.
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If value == "" then delete configuration, otherwise set to value.
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"""
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pools = session.xenapi.pool.get_all()
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# We assume there is only ever one pool...
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if len(pools) == 0:
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XSLogFatal(Lang("No pool found for host."))
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return
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if len(pools) > 1:
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XSLogFatal(Lang("More than one pool for host."))
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return
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session.xenapi.pool.set_vswitch_controller(value)
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Data.Inst().Update()
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def _updateActiveServers(self, session):
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hosts = session.xenapi.host.get_all()
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self.hostsUpdated = 0
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self.hostsInPool = len(hosts)
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self.UpdateFields()
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for host in hosts:
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Layout.Inst().TransientBanner("Updating host %d out of %d"
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% (self.hostsUpdated + 1, self.hostsInPool))
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session.xenapi.host.call_plugin(host, "openvswitch-cfg-update", "update", {})
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self.hostsUpdated = self.hostsUpdated + 1
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def _updateThisServer(self, session):
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data = Data.Inst()
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host = data.host.opaqueref()
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session.xenapi.host.call_plugin(host, "openvswitch-cfg-update", "update", {})
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class XSFeatureVSwitch:
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@classmethod
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def StatusUpdateHandler(cls, inPane):
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data = Data.Inst()
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xs_version = data.host.software_version.product_version('')
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inPane.AddTitleField(Lang("Open vSwitch"))
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inPane.NewLine()
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inPane.AddStatusField(Lang("Version", 20),
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VSwitchService.Inst("openvswitch", "ovs-vswitchd").version())
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inPane.NewLine()
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pool = data.GetPoolForThisHost()
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if pool is not None:
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dbController = pool.get("vswitch_controller", "")
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else:
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dbController = ""
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if dbController == "":
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dbController = Lang("<None>")
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inPane.AddStatusField(Lang("Controller (config)", 20), dbController)
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controller = VSwitchConfig.Get("get-manager")
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if controller == "":
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controller = Lang("<None>")
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elif controller[0:4] == "ssl:":
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controller = controller.split(':')[1]
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inPane.AddStatusField(Lang("Controller (in-use)", 20), controller)
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inPane.NewLine()
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inPane.AddStatusField(Lang("ovs-vswitchd status", 20),
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VSwitchService.Inst("openvswitch", "ovs-vswitchd").status())
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inPane.AddStatusField(Lang("ovsdb-server status", 20),
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VSwitchService.Inst("openvswitch", "ovsdb-server").status())
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inPane.AddKeyHelpField( {
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Lang("<Enter>") : Lang("Reconfigure"),
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Lang("<F5>") : Lang("Refresh")
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})
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@classmethod
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def ActivateHandler(cls):
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DialogueUtils.AuthenticatedOnly(lambda: Layout.Inst().PushDialogue(VSwitchControllerDialogue()))
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def Register(self):
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Importer.RegisterNamedPlugIn(
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self,
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'VSwitch', # Key of this plugin for replacement, etc.
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{
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'menuname' : 'MENU_NETWORK',
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'menupriority' : 800,
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'menutext' : Lang('Open vSwitch') ,
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'statusupdatehandler' : self.StatusUpdateHandler,
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'activatehandler' : self.ActivateHandler
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}
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)
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# Register this plugin when module is imported, IFF vswitchd is running
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if os.path.exists('/var/run/openvswitch/ovs-vswitchd.pid'):
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XSFeatureVSwitch().Register()
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