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

Example 1 with AgentControlAnswer

use of com.cloud.agent.api.AgentControlAnswer in project CloudStack-archive by CloudStack-extras.

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 (s_logger.isDebugEnabled()) {
                    // this is a hack to make sure we do NOT log the ssh keys
                    if ((cmd instanceof ModifySshKeysCommand)) {
                        s_logger.debug("Received the request for command: ModifySshKeysCommand");
                    } else {
                        if (// ensures request is logged only once per method call
                        !requestLogged) {
                            s_logger.debug("Request:" + request.toString());
                            requestLogged = true;
                        }
                    }
                    s_logger.debug("Processing command: " + cmd.toString());
                }
                if (cmd instanceof CronCommand) {
                    final CronCommand watch = (CronCommand) cmd;
                    scheduleWatch(link, request, watch.getInterval() * 1000, watch.getInterval() * 1000);
                    answer = new Answer(cmd, true, null);
                } else if (cmd instanceof UpgradeCommand) {
                    final UpgradeCommand upgrade = (UpgradeCommand) cmd;
                    answer = upgradeAgent(upgrade.getUpgradeUrl(), upgrade);
                } else if (cmd instanceof ShutdownCommand) {
                    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 MaintainCommand) {
                    s_logger.debug("Received maintainCommand");
                    cancelTasks();
                    _reconnectAllowed = false;
                    answer = new MaintainAnswer((MaintainCommand) cmd);
                } else if (cmd instanceof AgentControlCommand) {
                    answer = null;
                    synchronized (_controlListeners) {
                        for (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 {
                    _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()) {
            s_logger.debug(response != null ? response.toString() : "response is null");
        }
        if (response != null) {
            try {
                link.send(response.toBytes());
            } catch (final ClosedChannelException e) {
                s_logger.warn("Unable to send response: " + response.toString());
            }
        }
    }
}

Example 2 with AgentControlAnswer

use of com.cloud.agent.api.AgentControlAnswer in project CloudStack-archive by CloudStack-extras.

the class ConsoleProxyResource method authenticateConsoleAccess.

public String authenticateConsoleAccess(String host, String port, String vmId, String sid, String ticket, Boolean isReauthentication) {
    ConsoleAccessAuthenticationCommand cmd = new ConsoleAccessAuthenticationCommand(host, port, vmId, sid, ticket);
    cmd.setReauthenticating(isReauthentication);
    ConsoleProxyAuthenticationResult result = new ConsoleProxyAuthenticationResult();
    result.setSuccess(false);
    result.setReauthentication(isReauthentication);
    try {
        AgentControlAnswer answer = getAgentControl().sendRequest(cmd, 10000);
        if (answer != null) {
            ConsoleAccessAuthenticationAnswer authAnswer = (ConsoleAccessAuthenticationAnswer) answer;
            result.setSuccess(authAnswer.succeeded());
            result.setHost(authAnswer.getHost());
            result.setPort(authAnswer.getPort());
            result.setTunnelUrl(authAnswer.getTunnelUrl());
            result.setTunnelSession(authAnswer.getTunnelSession());
        } else {
            s_logger.error("Authentication failed for vm: " + vmId + " with sid: " + sid);
        }
    } catch (AgentControlChannelException e) {
        s_logger.error("Unable to send out console access authentication request due to " + e.getMessage(), e);
    }
    return new Gson().toJson(result);
}

Example 3 with AgentControlAnswer

use of com.cloud.agent.api.AgentControlAnswer in project cosmic by MissionCriticalCloud.

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;
            if (cmd.getContextParam("logid") != null) {
                MDC.put("logcontextid", cmd.getContextParam("logid"));
            }
            if (// ensures request is logged only once per method call
            !requestLogged) {
                final String requestMsg = request.toString();
                if (requestMsg != null) {
                    logger.debug("Request:" + requestMsg);
                }
                requestLogged = true;
            }
            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;
                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) {
                logger.debug("Not ready to connect to mgt server: " + ((ReadyCommand) cmd).getDetails());
                System.exit(1);
                return;
            } else if (cmd instanceof MaintainCommand) {
                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) {
                    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) {
                    logger.debug("Response: unsupported command" + cmd.toString());
                    answer = Answer.createUnsupportedCommandAnswer(cmd);
                }
            }
            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 (logger.isDebugEnabled()) {
            final String responseMsg = response.toString();
            if (responseMsg != null) {
                logger.debug(response.toString());
            }
        }
        if (response != null) {
            try {
                link.send(response.toBytes());
            } catch (final ClosedChannelException e) {
                logger.warn("Unable to send response: " + response.toString());
            }
        }
    }
}

Example 4 with AgentControlAnswer

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

the class AgentManagerImpl method handleControlCommand.

private AgentControlAnswer handleControlCommand(final AgentAttache attache, final AgentControlCommand cmd) {
    AgentControlAnswer answer = null;
    for (final Pair<Integer, Listener> listener : _cmdMonitors) {
        answer = listener.second().processControlCommand(attache.getId(), cmd);
        if (answer != null) {
            return answer;
        }
    }
    s_logger.warn("No handling of agent control command: " + cmd + " sent from " + attache.getId());
    return new AgentControlAnswer(cmd);
}

Example 5 with AgentControlAnswer

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

the class ConsoleProxyResource method authenticateConsoleAccess.

public String authenticateConsoleAccess(String host, String port, String vmId, String sid, String ticket, Boolean isReauthentication) {
    ConsoleAccessAuthenticationCommand cmd = new ConsoleAccessAuthenticationCommand(host, port, vmId, sid, ticket);
    cmd.setReauthenticating(isReauthentication);
    ConsoleProxyAuthenticationResult result = new ConsoleProxyAuthenticationResult();
    result.setSuccess(false);
    result.setReauthentication(isReauthentication);
    try {
        AgentControlAnswer answer = getAgentControl().sendRequest(cmd, 10000);
        if (answer != null) {
            ConsoleAccessAuthenticationAnswer authAnswer = (ConsoleAccessAuthenticationAnswer) answer;
            result.setSuccess(authAnswer.succeeded());
            result.setHost(authAnswer.getHost());
            result.setPort(authAnswer.getPort());
            result.setTunnelUrl(authAnswer.getTunnelUrl());
            result.setTunnelSession(authAnswer.getTunnelSession());
        } else {
            s_logger.error("Authentication failed for vm: " + vmId + " with sid: " + sid);
        }
    } catch (AgentControlChannelException e) {
        s_logger.error("Unable to send out console access authentication request due to " + e.getMessage(), e);
    }
    return new Gson().toJson(result);
}