1 # Copyright (c) Citrix Systems 2008. All rights reserved.
2 # xsconsole is proprietary software.
4 # Xen, the Xen logo, XenCenter, XenMotion are trademarks or registered
5 # trademarks of Citrix Systems, Inc., in the United States and other
8 # Copyright (c) 2009 Nicira Networks.
11 log = logging.getLogger("vswitch-cfg-update")
12 logging.basicConfig(filename="/var/log/vswitch-xsplugin.log", level=logging.DEBUG)
17 cfg_mod="/root/vswitch/bin/ovs-cfg-mod"
18 vswitchd_cfg_filename="/etc/ovs-vswitchd.conf"
20 if __name__ == "__main__":
21 raise Exception("This script is a plugin for xsconsole and cannot run independently")
23 from XSConsoleStandard import *
28 def __init__(self, name, processname=None):
30 self.processname = processname
31 if self.processname == None:
32 self.processname = name
36 output = ShellPipe(["service", self.name, "status"]).Stdout()
37 except StandardError, e:
38 log.error("status retrieval error: " + str(e))
43 if self.processname not in l:
55 ShellPipe(["service", self.name, "restart"]).Call()
56 except StandardError, e:
57 log.error("restart error: " + str(e))
60 def Inst(cls, name, processname=None):
62 if processname != None:
63 key = key + "-" + processname
64 if name not in cls.service:
65 cls.service[key] = VSwitchService(name, processname)
66 return cls.service[key]
73 output = ShellPipe([cfg_mod, "-vANY:console:emer", "-F",
74 vswitchd_cfg_filename, "-q", key]).Stdout()
75 except StandardError, e:
76 log.error("config retrieval error: " + str(e))
82 output = output[0].strip()
86 class VSwitchControllerDialogue(Dialogue):
88 Dialogue.__init__(self)
93 self.controller = data.GetPoolForThisHost().get("other_config", {}).get("vSwitchController", "")
96 ChoiceDef(Lang("Set pool-wide controller"),
97 lambda: self.getController()),
98 ChoiceDef(Lang("Delete pool-wide controller"),
99 lambda: self.deleteController()),
100 ChoiceDef(Lang("Resync server controller config"),
101 lambda: self.syncController()),
102 # ChoiceDef(Lang("Restart ovs-vswitchd"),
103 # lambda: self.restartService("vswitch")),
104 # ChoiceDef(Lang("Restart ovs-brcompatd"),
105 # lambda: self.restartService("vswitch-brcompatd"))
107 self.menu = Menu(self, None, Lang("Configure vSwitch"), choiceDefs)
109 self.ChangeState("INITIAL")
112 pane = self.NewPane(DialoguePane(self.parent))
113 pane.TitleSet(Lang("Configure vSwitch"))
116 def ChangeState(self, inState):
121 def UpdateFields(self):
122 self.Pane().ResetPosition()
123 getattr(self, "UpdateFields" + self.state)() # Dispatch method named 'UpdateFields'+self.state
125 def UpdateFieldsINITIAL(self):
127 pane.AddTitleField(Lang("Select an action"))
128 pane.AddMenuField(self.menu)
129 pane.AddKeyHelpField( { Lang("<Enter>") : Lang("OK"), Lang("<Esc>") : Lang("Cancel") } )
131 def UpdateFieldsGETCONTROLLER(self):
135 pane.AddTitleField(Lang("Enter IP address of controller"))
136 pane.AddInputField(Lang("Address", 16), self.controller, "address")
137 pane.AddKeyHelpField( { Lang("<Enter>") : Lang("OK"), Lang("<Esc>") : Lang("Exit") } )
138 if pane.CurrentInput() is None:
139 pane.InputIndexSet(0)
141 def HandleKey(self, inKey):
143 if hasattr(self, "HandleKey" + self.state):
144 handled = getattr(self, "HandleKey" + self.state)(inKey)
145 if not handled and inKey == 'KEY_ESCAPE':
146 Layout.Inst().PopDialogue()
150 def HandleKeyINITIAL(self, inKey):
151 return self.menu.HandleKey(inKey)
153 def HandleKeyGETCONTROLLER(self, inKey):
155 if pane.CurrentInput() is None:
156 pane.InputIndexSet(0)
157 if inKey == 'KEY_ENTER':
158 inputValues = pane.GetFieldValues()
159 self.controller = inputValues['address']
160 Layout.Inst().PopDialogue()
161 Layout.Inst().TransientBanner(Lang("Setting controller..."))
163 self.SetController(self.controller)
164 Layout.Inst().PushDialogue(InfoDialogue(Lang("Setting controller successful")))
166 Layout.Inst().PushDialogue(InfoDialogue(Lang("Setting controller failed")))
168 self.ChangeState("INITIAL")
171 return pane.CurrentInput().HandleKey(inKey)
173 def restartService(self, name):
174 s = VSwitchService.Inst(name)
176 Layout.Inst().PopDialogue()
178 def getController(self):
179 self.ChangeState("GETCONTROLLER")
180 self.Pane().InputIndexSet(0)
182 def deleteController(self):
184 Layout.Inst().PopDialogue()
185 Layout.Inst().TransientBanner(Lang("Deleting controller..."))
187 self.SetController(None)
188 Layout.Inst().PushDialogue(InfoDialogue(Lang("Controller deletion successful")))
190 Layout.Inst().PushDialogue(InfoDialogue(Lang("Controller deletion failed")))
192 def syncController(self):
193 Layout.Inst().PopDialogue()
194 Layout.Inst().TransientBanner(Lang("Resyncing controller setting..."))
196 Task.Sync(lambda s: self._updateThisServer(s))
197 Layout.Inst().PushDialogue(InfoDialogue(Lang("Resyncing controller config successful")))
199 Layout.Inst().PushDialogue(InfoDialogue(Lang("Resyncing controller config failed")))
201 def SetController(self, ip):
203 self.hostsUpdated = 0
204 Task.Sync(lambda s: self._modifyPoolConfig(s, "vSwitchController", ip))
205 # Should be done asynchronously, maybe with an external script?
206 Task.Sync(lambda s: self._updateActiveServers(s))
208 def _modifyPoolConfig(self, session, key, value):
209 """Modify pool configuration.
211 If value == None then delete key, otherwise set key to value."""
212 pools = session.xenapi.pool.get_all()
213 # We assume there is only ever one pool...
215 log.error("No pool for host.")
216 raise XenAPIPlugin.Failure("NO_POOL_FOR_HOST", [])
218 log.error("More than one pool for host.")
219 raise XenAPIPlugin.Failure("MORE_THAN_ONE_POOL_FOR_HOST", [])
220 session.xenapi.pool.remove_from_other_config(pools[0], key)
222 session.xenapi.pool.add_to_other_config(pools[0], key, value)
225 def _updateActiveServers(self, session):
226 hosts = session.xenapi.host.get_all()
227 self.hostsUpdated = 0
228 self.hostsInPool = len(hosts)
231 Layout.Inst().TransientBanner("Updating host %d out of %d"
232 % (self.hostsUpdated + 1, self.hostsInPool))
233 session.xenapi.host.call_plugin(host, "vswitch-cfg-update", "update", {})
234 self.hostsUpdated = self.hostsUpdated + 1
236 def _updateThisServer(self, session):
238 host = data.host.opaqueref()
239 session.xenapi.host.call_plugin(host, "vswitch-cfg-update", "update", {})
242 class XSFeatureVSwitch:
245 def StatusUpdateHandler(cls, inPane):
248 inPane.AddTitleField(Lang("vSwitch"))
252 versionStr = data.host.other_config({}).get("vSwitchVersion", "<Unknown>")
253 inPane.AddStatusField(Lang("Version", 20), versionStr)
256 dbController = data.GetPoolForThisHost().get("other_config", {}).get("vSwitchController", "")
257 if dbController == "":
258 dbController = Lang("<None>")
259 inPane.AddStatusField(Lang("Controller (config)", 20), dbController)
260 controller = VSwitchConfig.Get("mgmt.controller")
262 controller = Lang("<None>")
263 elif controller[0:4] == "ssl:":
264 controller = controller[4:]
265 inPane.AddStatusField(Lang("Controller (in-use)", 20), controller)
268 inPane.AddStatusField(Lang("ovs-vswitchd status", 20),
269 VSwitchService.Inst("vswitch", "ovs-vswitchd").status())
270 inPane.AddStatusField(Lang("ovs-brcompatd status", 20),
271 VSwitchService.Inst("vswitch", "ovs-brcompatd").status())
273 inPane.AddKeyHelpField( {
274 Lang("<Enter>") : Lang("Reconfigure"),
275 Lang("<F5>") : Lang("Refresh")
279 def ActivateHandler(cls):
280 DialogueUtils.AuthenticatedOnly(lambda: Layout.Inst().PushDialogue(VSwitchControllerDialogue()))
283 Importer.RegisterNamedPlugIn(
285 'VSwitch', # Key of this plugin for replacement, etc.
287 'menuname' : 'MENU_NETWORK',
288 'menupriority' : 800,
289 'menutext' : Lang('vSwitch') ,
290 'statusupdatehandler' : self.StatusUpdateHandler,
291 'activatehandler' : self.ActivateHandler
295 # Register this plugin when module is imported
296 XSFeatureVSwitch().Register()