Examples with ManagedContextRunnable org.apache.cloudstack.managed.context.ManagedContextRunnable used on opensource projects

Example 6 with ManagedContextRunnable

use of org.apache.cloudstack.managed.context.ManagedContextRunnable in project cloudstack by apache.

the class ClusterManagerImpl method getNotificationTask.

private Runnable getNotificationTask() {
    return new ManagedContextRunnable() {

        @Override
        protected void runInContext() {
            while (true) {
                synchronized (_notificationMsgs) {
                    try {
                        _notificationMsgs.wait(1000);
                    } catch (final InterruptedException e) {
                    }
                }
                ClusterManagerMessage msg = null;
                while ((msg = getNextNotificationMessage()) != null) {
                    try {
                        switch(msg.getMessageType()) {
                            case nodeAdded:
                                if (msg.getNodes() != null && msg.getNodes().size() > 0) {
                                    final Profiler profiler = new Profiler();
                                    profiler.start();
                                    notifyNodeJoined(msg.getNodes());
                                    profiler.stop();
                                    if (profiler.getDurationInMillis() > 1000) {
                                        if (s_logger.isDebugEnabled()) {
                                            s_logger.debug("Notifying management server join event took " + profiler.getDurationInMillis() + " ms");
                                        }
                                    } else {
                                        s_logger.warn("Notifying management server join event took " + profiler.getDurationInMillis() + " ms");
                                    }
                                }
                                break;
                            case nodeRemoved:
                                if (msg.getNodes() != null && msg.getNodes().size() > 0) {
                                    final Profiler profiler = new Profiler();
                                    profiler.start();
                                    notifyNodeLeft(msg.getNodes());
                                    profiler.stop();
                                    if (profiler.getDurationInMillis() > 1000) {
                                        if (s_logger.isDebugEnabled()) {
                                            s_logger.debug("Notifying management server leave event took " + profiler.getDurationInMillis() + " ms");
                                        }
                                    } else {
                                        s_logger.warn("Notifying management server leave event took " + profiler.getDurationInMillis() + " ms");
                                    }
                                }
                                break;
                            case nodeIsolated:
                                notifyNodeIsolated();
                                break;
                            default:
                                assert false;
                                break;
                        }
                    } catch (final Throwable e) {
                        s_logger.warn("Unexpected exception during cluster notification. ", e);
                    }
                }
                try {
                    Thread.sleep(1000);
                } catch (final InterruptedException e) {
                }
            }
        }
    };
}

Example 7 with ManagedContextRunnable

use of org.apache.cloudstack.managed.context.ManagedContextRunnable in project cloudstack by apache.

the class ClientTransportProvider method initialize.

public void initialize(String serverAddress, int serverPort) {
    _serverAddress = serverAddress;
    _serverPort = serverPort;
    _executor = Executors.newFixedThreadPool(_poolSize, new NamedThreadFactory("Transport-Worker"));
    _connection = new ClientTransportConnection(this);
    _executor.execute(new ManagedContextRunnable() {

        @Override
        protected void runInContext() {
            try {
                _connection.connect(_serverAddress, _serverPort);
            } catch (Throwable e) {
                s_logger.info("[ignored]" + "error during ipc client initialization: " + e.getLocalizedMessage());
            }
        }
    });
}

Example 8 with ManagedContextRunnable

use of org.apache.cloudstack.managed.context.ManagedContextRunnable in project cloudstack by apache.

the class ClusteredAgentManagerImpl method getTransferScanTask.

private Runnable getTransferScanTask() {
    return new ManagedContextRunnable() {

        @Override
        protected void runInContext() {
            try {
                if (s_logger.isTraceEnabled()) {
                    s_logger.trace("Clustered agent transfer scan check, management server id:" + _nodeId);
                }
                synchronized (_agentToTransferIds) {
                    if (_agentToTransferIds.size() > 0) {
                        s_logger.debug("Found " + _agentToTransferIds.size() + " agents to transfer");
                        // for (Long hostId : _agentToTransferIds) {
                        for (final Iterator<Long> iterator = _agentToTransferIds.iterator(); iterator.hasNext(); ) {
                            final Long hostId = iterator.next();
                            final AgentAttache attache = findAttache(hostId);
                            // if the thread:
                            // 1) timed out waiting for the host to reconnect
                            // 2) recipient management server is not active any more
                            // 3) if the management server doesn't own the host any more
                            // remove the host from re-balance list and delete from op_host_transfer DB
                            // no need to do anything with the real attache as we haven't modified it yet
                            final Date cutTime = DateUtil.currentGMTTime();
                            final HostTransferMapVO transferMap = _hostTransferDao.findActiveHostTransferMapByHostId(hostId, new Date(cutTime.getTime() - rebalanceTimeOut));
                            if (transferMap == null) {
                                s_logger.debug("Timed out waiting for the host id=" + hostId + " to be ready to transfer, skipping rebalance for the host");
                                iterator.remove();
                                _hostTransferDao.completeAgentTransfer(hostId);
                                continue;
                            }
                            if (transferMap.getInitialOwner() != _nodeId || attache == null || attache.forForward()) {
                                s_logger.debug("Management server " + _nodeId + " doesn't own host id=" + hostId + " any more, skipping rebalance for the host");
                                iterator.remove();
                                _hostTransferDao.completeAgentTransfer(hostId);
                                continue;
                            }
                            final ManagementServerHostVO ms = _mshostDao.findByMsid(transferMap.getFutureOwner());
                            if (ms != null && ms.getState() != ManagementServerHost.State.Up) {
                                s_logger.debug("Can't transfer host " + hostId + " as it's future owner is not in UP state: " + ms + ", skipping rebalance for the host");
                                iterator.remove();
                                _hostTransferDao.completeAgentTransfer(hostId);
                                continue;
                            }
                            if (attache.getQueueSize() == 0 && attache.getNonRecurringListenersSize() == 0) {
                                iterator.remove();
                                try {
                                    _executor.execute(new RebalanceTask(hostId, transferMap.getInitialOwner(), transferMap.getFutureOwner()));
                                } catch (final RejectedExecutionException ex) {
                                    s_logger.warn("Failed to submit rebalance task for host id=" + hostId + "; postponing the execution");
                                    continue;
                                }
                            } else {
                                s_logger.debug("Agent " + hostId + " can't be transfered yet as its request queue size is " + attache.getQueueSize() + " and listener queue size is " + attache.getNonRecurringListenersSize());
                            }
                        }
                    } else {
                        if (s_logger.isTraceEnabled()) {
                            s_logger.trace("Found no agents to be transfered by the management server " + _nodeId);
                        }
                    }
                }
            } catch (final Throwable e) {
                s_logger.error("Problem with the clustered agent transfer scan check!", e);
            }
        }
    };
}

Example 9 with ManagedContextRunnable

use of org.apache.cloudstack.managed.context.ManagedContextRunnable in project cloudstack by apache.

the class AgentResourceBase method executeRequest.

@Override
public final Answer executeRequest(final Command cmd) {
    final AtomicReference<Answer> result = new AtomicReference<Answer>();
    new ManagedContextRunnable() {

        @Override
        protected void runInContext() {
            result.set(executeRequestInContext(cmd));
        }
    }.run();
    return result.get();
}

Example 10 with ManagedContextRunnable

use of org.apache.cloudstack.managed.context.ManagedContextRunnable in project cloudstack by apache.

the class SystemVmLoadScanner method getCapacityScanTask.

private Runnable getCapacityScanTask() {
    return new ManagedContextRunnable() {

        @Override
        protected void runInContext() {
            try {
                CallContext callContext = CallContext.current();
                assert (callContext != null);
                AsyncJobExecutionContext.registerPseudoExecutionContext(callContext.getCallingAccountId(), callContext.getCallingUserId());
                reallyRun();
                AsyncJobExecutionContext.unregister();
            } catch (Throwable e) {
                s_logger.warn("Unexpected exception " + e.getMessage(), e);
            }
        }

        private void reallyRun() {
            loadScan();
        }
    };
}