def make_callback(self, namespec, action): message = None supervisord = self.context.supervisord # the rpc interface code is already written to deal properly in a # deferred world, so just use it main = ('supervisor', SupervisorNamespaceRPCInterface(supervisord)) system = ('system', SystemNamespaceRPCInterface([main])) rpcinterface = RootRPCInterface([main, system]) if action: if action == 'refresh': def donothing(): message = 'Page refreshed at %s' % time.ctime() return message donothing.delay = 0.05 return donothing elif action == 'stopall': callback = rpcinterface.supervisor.stopAllProcesses() def stopall(): if callback() is NOT_DONE_YET: return NOT_DONE_YET else: return 'All stopped at %s' % time.ctime() stopall.delay = 0.05 return stopall elif action == 'restartall': callback = rpcinterface.system.multicall([{ 'methodName': 'supervisor.stopAllProcesses' }, { 'methodName': 'supervisor.startAllProcesses' }]) def restartall(): result = callback() if result is NOT_DONE_YET: return NOT_DONE_YET return 'All restarted at %s' % time.ctime() restartall.delay = 0.05 return restartall elif namespec: def wrong(): return 'No such process named %s' % namespec wrong.delay = 0.05 group_name, process_name = split_namespec(namespec) group = supervisord.process_groups.get(group_name) if group is None: return wrong process = group.processes.get(process_name) if process is None: return wrong elif action == 'stop': callback = rpcinterface.supervisor.stopProcess(namespec) def stopprocess(): result = callback() if result is NOT_DONE_YET: return NOT_DONE_YET return 'Process %s stopped' % namespec stopprocess.delay = 0.05 return stopprocess elif action == 'restart': callback = rpcinterface.system.multicall([ { 'methodName': 'supervisor.stopProcess', 'params': [namespec] }, { 'methodName': 'supervisor.startProcess', 'params': [namespec] }, ]) def restartprocess(): result = callback() if result is NOT_DONE_YET: return NOT_DONE_YET return 'Process %s restarted' % namespec restartprocess.delay = 0.05 return restartprocess elif action == 'start': try: callback = rpcinterface.supervisor.startProcess( namespec) except RPCError, e: if e.code == Faults.SPAWN_ERROR: def spawnerr(): return 'Process %s spawn error' % namespec spawnerr.delay = 0.05 return spawnerr def startprocess(): if callback() is NOT_DONE_YET: return NOT_DONE_YET return 'Process %s started' % namespec startprocess.delay = 0.05 return startprocess elif action == 'clearlog': callback = rpcinterface.supervisor.clearProcessLog( namespec) def clearlog(): return 'Log for %s cleared' % namespec clearlog.delay = 0.05 return clearlog
def render(self): form = self.context.form response = self.context.response processname = form.get('processname') action = form.get('action') message = form.get('message') if action: if not self.callback: self.callback = self.make_callback(processname, action) return NOT_DONE_YET else: message = self.callback() if message is NOT_DONE_YET: return NOT_DONE_YET if message is not None: server_url = form['SERVER_URL'] location = server_url + '?message=%s' % urllib.quote( message) response['headers']['Location'] = location supervisord = self.context.supervisord rpcinterface = RootRPCInterface([ ('supervisor', SupervisorNamespaceRPCInterface(supervisord)) ]) processnames = [] groups = supervisord.process_groups.values() for group in groups: gprocnames = group.processes.keys() for gprocname in gprocnames: processnames.append((group.config.name, gprocname)) processnames.sort() data = [] for groupname, processname in processnames: actions = self.actions_for_process( supervisord.process_groups[groupname].processes[processname]) sent_name = make_namespec(groupname, processname) info = rpcinterface.supervisor.getProcessInfo(sent_name) data.append({ 'status': info['statename'], 'name': processname, 'group': groupname, 'actions': actions, 'state': info['state'], 'description': info['description'], }) root = self.clone() if message is not None: statusarea = root.findmeld('statusmessage') statusarea.attrib['class'] = 'status_msg' statusarea.content(message) if data: iterator = root.findmeld('tr').repeat(data) shaded_tr = False for tr_element, item in iterator: status_text = tr_element.findmeld('status_text') status_text.content(item['status'].lower()) status_text.attrib['class'] = self.css_class_for_state( item['state']) info_text = tr_element.findmeld('info_text') info_text.content(item['description']) anchor = tr_element.findmeld('name_anchor') processname = make_namespec(item['group'], item['name']) anchor.attributes(href='tail.html?processname=%s' % urllib.quote(processname)) anchor.content(processname) actions = item['actions'] actionitem_td = tr_element.findmeld('actionitem_td') for li_element, actionitem in actionitem_td.repeat(actions): anchor = li_element.findmeld('actionitem_anchor') if actionitem is None: anchor.attrib['class'] = 'hidden' else: anchor.attributes(href=actionitem['href'], name=actionitem['name']) anchor.content(actionitem['name']) if actionitem['target']: anchor.attributes(target=actionitem['target']) if shaded_tr: tr_element.attrib['class'] = 'shade' shaded_tr = not shaded_tr else: table = root.findmeld('statustable') table.replace('No programs to manage') copyright_year = str(datetime.date.today().year) root.findmeld('copyright_date').content(copyright_year) return root.write_xhtmlstring()
def make_callback(self, namespec, action): supervisord = self.context.supervisord # the rpc interface code is already written to deal properly in a # deferred world, so just use it main = ('supervisor', SupervisorNamespaceRPCInterface(supervisord)) system = ('system', SystemNamespaceRPCInterface([main])) rpcinterface = RootRPCInterface([main, system]) if action: if action == 'refresh': def donothing(): message = 'Page refreshed at %s' % time.ctime() return message donothing.delay = 0.05 return donothing elif action == 'stopall': callback = rpcinterface.supervisor.stopAllProcesses() def stopall(): if callback() is NOT_DONE_YET: return NOT_DONE_YET else: return 'All stopped at %s' % time.ctime() stopall.delay = 0.05 return stopall elif action == 'restartall': callback = rpcinterface.system.multicall([{ 'methodName': 'supervisor.stopAllProcesses' }, { 'methodName': 'supervisor.startAllProcesses' }]) def restartall(): result = callback() if result is NOT_DONE_YET: return NOT_DONE_YET return 'All restarted at %s' % time.ctime() restartall.delay = 0.05 return restartall elif namespec: def wrong(): return 'No such process named %s' % namespec wrong.delay = 0.05 group_name, process_name = split_namespec(namespec) group = supervisord.process_groups.get(group_name) if group is None: return wrong process = group.processes.get(process_name) if process is None: return wrong if action == 'start': try: bool_or_callback = ( rpcinterface.supervisor.startProcess(namespec)) except RPCError as e: if e.code == Faults.NO_FILE: msg = 'no such file' elif e.code == Faults.NOT_EXECUTABLE: msg = 'file not executable' elif e.code == Faults.ALREADY_STARTED: msg = 'already started' elif e.code == Faults.SPAWN_ERROR: msg = 'spawn error' elif e.code == Faults.ABNORMAL_TERMINATION: msg = 'abnormal termination' else: msg = 'unexpected rpc fault [%d] %s' % (e.code, e.text) def starterr(): return 'ERROR: Process %s: %s' % (namespec, msg) starterr.delay = 0.05 return starterr if callable(bool_or_callback): def startprocess(): try: result = bool_or_callback() except RPCError as e: if e.code == Faults.SPAWN_ERROR: msg = 'spawn error' elif e.code == Faults.ABNORMAL_TERMINATION: msg = 'abnormal termination' else: msg = 'unexpected rpc fault [%d] %s' % ( e.code, e.text) return 'ERROR: Process %s: %s' % (namespec, msg) if result is NOT_DONE_YET: return NOT_DONE_YET return 'Process %s started' % namespec startprocess.delay = 0.05 return startprocess else: def startdone(): return 'Process %s started' % namespec startdone.delay = 0.05 return startdone elif action == 'stop': try: bool_or_callback = ( rpcinterface.supervisor.stopProcess(namespec)) except RPCError as e: msg = 'unexpected rpc fault [%d] %s' % (e.code, e.text) def stoperr(): return msg stoperr.delay = 0.05 return stoperr if callable(bool_or_callback): def stopprocess(): try: result = bool_or_callback() except RPCError as e: return 'unexpected rpc fault [%d] %s' % ( e.code, e.text) if result is NOT_DONE_YET: return NOT_DONE_YET return 'Process %s stopped' % namespec stopprocess.delay = 0.05 return stopprocess else: def stopdone(): return 'Process %s stopped' % namespec stopdone.delay = 0.05 return stopdone elif action == 'restart': results_or_callback = rpcinterface.system.multicall([ { 'methodName': 'supervisor.stopProcess', 'params': [namespec] }, { 'methodName': 'supervisor.startProcess', 'params': [namespec] }, ]) if callable(results_or_callback): callback = results_or_callback def restartprocess(): results = callback() if results is NOT_DONE_YET: return NOT_DONE_YET return 'Process %s restarted' % namespec restartprocess.delay = 0.05 return restartprocess else: def restartdone(): return 'Process %s restarted' % namespec restartdone.delay = 0.05 return restartdone elif action == 'clearlog': try: callback = rpcinterface.supervisor.clearProcessLogs( namespec) except RPCError as e: msg = 'unexpected rpc fault [%d] %s' % (e.code, e.text) def clearerr(): return msg clearerr.delay = 0.05 return clearerr def clearlog(): return 'Log for %s cleared' % namespec clearlog.delay = 0.05 return clearlog raise ValueError(action)