Examples with Command com.cloud.agent.api.Command used on opensource projects

Example 26 with Command

use of com.cloud.agent.api.Command in project cloudstack by apache.

the class XenServerGuru method finalizeExpungeVolumes.

@Override
public List<Command> finalizeExpungeVolumes(VirtualMachine vm) {
    List<Command> commands = new ArrayList<Command>();
    List<VolumeVO> volumes = _volumeDao.findByInstance(vm.getId());
    // will simply lead to the SR that supports the root volume being removed
    if (volumes != null) {
        for (VolumeVO volume : volumes) {
            StoragePoolVO storagePool = _storagePoolDao.findById(volume.getPoolId());
            // so the volume was never assigned to a storage pool)
            if (storagePool != null && storagePool.isManaged()) {
                DataTO volTO = _volFactory.getVolume(volume.getId()).getTO();
                DiskTO disk = new DiskTO(volTO, volume.getDeviceId(), volume.getPath(), volume.getVolumeType());
                DettachCommand cmd = new DettachCommand(disk, vm.getInstanceName());
                cmd.setManaged(true);
                cmd.setStorageHost(storagePool.getHostAddress());
                cmd.setStoragePort(storagePool.getPort());
                cmd.set_iScsiName(volume.get_iScsiName());
                commands.add(cmd);
            }
        }
    }
    return commands;
}

Example 27 with Command

use of com.cloud.agent.api.Command in project cloudstack by apache.

the class Agent method processOtherTask.

public void processOtherTask(final Task task) {
    final Object obj = task.get();
    if (obj instanceof Response) {
        if (System.currentTimeMillis() - _lastPingResponseTime > _pingInterval * _shell.getPingRetries()) {
            s_logger.error("Ping Interval has gone past " + _pingInterval * _shell.getPingRetries() + ". Won't reconnect to mgt server, as connection is still alive");
            return;
        }
        final PingCommand ping = _resource.getCurrentStatus(getId());
        final Request request = new Request(_id, -1, ping, false);
        request.setSequence(getNextSequence());
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Sending ping: " + request.toString());
        }
        try {
            task.getLink().send(request.toBytes());
            //if i can send pingcommand out, means the link is ok
            setLastPingResponseTime();
        } catch (final ClosedChannelException e) {
            s_logger.warn("Unable to send request: " + request.toString());
        }
    } else if (obj instanceof Request) {
        final Request req = (Request) obj;
        final Command command = req.getCommand();
        if (command.getContextParam("logid") != null) {
            MDC.put("logcontextid", command.getContextParam("logid"));
        }
        Answer answer = null;
        _inProgress.incrementAndGet();
        try {
            answer = _resource.executeRequest(command);
        } finally {
            _inProgress.decrementAndGet();
        }
        if (answer != null) {
            final Response response = new Response(req, answer);
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("Watch Sent: " + response.toString());
            }
            try {
                task.getLink().send(response.toBytes());
            } catch (final ClosedChannelException e) {
                s_logger.warn("Unable to send response: " + response.toString());
            }
        }
    } else {
        s_logger.warn("Ignoring an unknown task");
    }
}

Example 28 with Command

use of com.cloud.agent.api.Command in project cloudstack by apache.

the class Agent method processRequest.

protected void processRequest(final Request request, final Link link) {
    boolean requestLogged = false;
    Response response = null;
    try {
        final Command[] cmds = request.getCommands();
        final Answer[] answers = new Answer[cmds.length];
        for (int i = 0; i < cmds.length; i++) {
            final Command cmd = cmds[i];
            Answer answer;
            try {
                if (cmd.getContextParam("logid") != null) {
                    MDC.put("logcontextid", cmd.getContextParam("logid"));
                }
                if (s_logger.isDebugEnabled()) {
                    if (// ensures request is logged only once per method call
                    !requestLogged) {
                        final String requestMsg = request.toString();
                        if (requestMsg != null) {
                            s_logger.debug("Request:" + requestMsg);
                        }
                        requestLogged = true;
                    }
                    s_logger.debug("Processing command: " + cmd.toString());
                }
                if (cmd instanceof CronCommand) {
                    final CronCommand watch = (CronCommand) cmd;
                    scheduleWatch(link, request, (long) watch.getInterval() * 1000, watch.getInterval() * 1000);
                    answer = new Answer(cmd, true, null);
                } else if (cmd instanceof ShutdownCommand) {
                    final ShutdownCommand shutdown = (ShutdownCommand) cmd;
                    s_logger.debug("Received shutdownCommand, due to: " + shutdown.getReason());
                    cancelTasks();
                    _reconnectAllowed = false;
                    answer = new Answer(cmd, true, null);
                } else if (cmd instanceof ReadyCommand && ((ReadyCommand) cmd).getDetails() != null) {
                    s_logger.debug("Not ready to connect to mgt server: " + ((ReadyCommand) cmd).getDetails());
                    System.exit(1);
                    return;
                } else if (cmd instanceof MaintainCommand) {
                    s_logger.debug("Received maintainCommand");
                    cancelTasks();
                    _reconnectAllowed = false;
                    answer = new MaintainAnswer((MaintainCommand) cmd);
                } else if (cmd instanceof AgentControlCommand) {
                    answer = null;
                    synchronized (_controlListeners) {
                        for (final IAgentControlListener listener : _controlListeners) {
                            answer = listener.processControlRequest(request, (AgentControlCommand) cmd);
                            if (answer != null) {
                                break;
                            }
                        }
                    }
                    if (answer == null) {
                        s_logger.warn("No handler found to process cmd: " + cmd.toString());
                        answer = new AgentControlAnswer(cmd);
                    }
                } else {
                    if (cmd instanceof ReadyCommand) {
                        processReadyCommand(cmd);
                    }
                    _inProgress.incrementAndGet();
                    try {
                        answer = _resource.executeRequest(cmd);
                    } finally {
                        _inProgress.decrementAndGet();
                    }
                    if (answer == null) {
                        s_logger.debug("Response: unsupported command" + cmd.toString());
                        answer = Answer.createUnsupportedCommandAnswer(cmd);
                    }
                }
            } catch (final Throwable th) {
                s_logger.warn("Caught: ", th);
                final StringWriter writer = new StringWriter();
                th.printStackTrace(new PrintWriter(writer));
                answer = new Answer(cmd, false, writer.toString());
            }
            answers[i] = answer;
            if (!answer.getResult() && request.stopOnError()) {
                for (i++; i < cmds.length; i++) {
                    answers[i] = new Answer(cmds[i], false, "Stopped by previous failure");
                }
                break;
            }
        }
        response = new Response(request, answers);
    } finally {
        if (s_logger.isDebugEnabled()) {
            final String responseMsg = response.toString();
            if (responseMsg != null) {
                s_logger.debug(response.toString());
            }
        }
        if (response != null) {
            try {
                link.send(response.toBytes());
            } catch (final ClosedChannelException e) {
                s_logger.warn("Unable to send response: " + response.toString());
            }
        }
    }
}

Example 29 with Command

use of com.cloud.agent.api.Command in project cloudstack by apache.

the class Agent method sendStartup.

public void sendStartup(final Link link) {
    final StartupCommand[] startup = _resource.initialize();
    if (startup != null) {
        final Command[] commands = new Command[startup.length];
        for (int i = 0; i < startup.length; i++) {
            setupStartupCommand(startup[i]);
            commands[i] = startup[i];
        }
        final Request request = new Request(_id != null ? _id : -1, -1, commands, false, false);
        request.setSequence(getNextSequence());
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Sending Startup: " + request.toString());
        }
        lockStartupTask(link);
        try {
            link.send(request.toBytes());
        } catch (final ClosedChannelException e) {
            s_logger.warn("Unable to send reques: " + request.toString());
        }
    }
}

Example 30 with Command

use of com.cloud.agent.api.Command in project cloudstack by apache.

the class GsonHelper method setDefaultGsonConfig.

static Gson setDefaultGsonConfig(GsonBuilder builder) {
    builder.setVersion(1.5);
    InterfaceTypeAdaptor<DataStoreTO> dsAdaptor = new InterfaceTypeAdaptor<DataStoreTO>();
    builder.registerTypeAdapter(DataStoreTO.class, dsAdaptor);
    InterfaceTypeAdaptor<DataTO> dtAdaptor = new InterfaceTypeAdaptor<DataTO>();
    builder.registerTypeAdapter(DataTO.class, dtAdaptor);
    ArrayTypeAdaptor<Command> cmdAdaptor = new ArrayTypeAdaptor<Command>();
    builder.registerTypeAdapter(Command[].class, cmdAdaptor);
    ArrayTypeAdaptor<Answer> ansAdaptor = new ArrayTypeAdaptor<Answer>();
    builder.registerTypeAdapter(Answer[].class, ansAdaptor);
    builder.registerTypeAdapter(new TypeToken<List<PortConfig>>() {
    }.getType(), new PortConfigListTypeAdaptor());
    builder.registerTypeAdapter(new TypeToken<Pair<Long, Long>>() {
    }.getType(), new NwGroupsCommandTypeAdaptor());
    Gson gson = builder.create();
    dsAdaptor.initGson(gson);
    dtAdaptor.initGson(gson);
    cmdAdaptor.initGson(gson);
    ansAdaptor.initGson(gson);
    return gson;
}