/*
* Copyright (c) 2010-2012 Grid Dynamics Consulting Services, Inc, All Rights Reserved
* http://www.griddynamics.com
*
* This library is free software; you can redistribute it and/or modify it under the terms of
* the Apache License; either
* version 2.0 of the License, or any later version.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.griddynamics.jagger.agent.worker;
import com.google.common.collect.Sets;
import com.griddynamics.jagger.agent.Agent;
import com.griddynamics.jagger.agent.AgentStarter;
import com.griddynamics.jagger.agent.Profiler;
import com.griddynamics.jagger.util.GeneralInfoCollector;
import com.griddynamics.jagger.agent.model.*;
import com.griddynamics.jagger.coordinator.*;
import com.griddynamics.jagger.diagnostics.thread.sampling.ProfileDTO;
import com.griddynamics.jagger.diagnostics.thread.sampling.RuntimeGraph;
import com.griddynamics.jagger.util.GeneralNodeInfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Required;
import java.io.Serializable;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.*;
import java.util.concurrent.TimeUnit;
public class AgentWorker extends ConfigurableWorker {
private static final Logger log = LoggerFactory.getLogger(AgentWorker.class);
private MonitoringInfoService monitoringInfoService;
private GeneralInfoCollector generalInfoCollector;
private Profiler profiler;
private final Agent agent;
private Boolean profilerEnabled;
private ArrayList<JmxMetric> jmxMetricList = null;
public AgentWorker(Agent agent) {
this.agent = agent;
}
public Profiler getProfiler() {
return profiler;
}
public Boolean getProfilerEnabled() {
return profilerEnabled;
}
public void setProfilerEnabled(Boolean profilerEnabled) {
this.profilerEnabled = profilerEnabled;
}
public Set<Qualifier<Command<Serializable>>> getQualifiers() {
Set<Qualifier<Command<Serializable>>> qualifiers = Sets.newHashSet();
for (CommandExecutor commandExecutor : getExecutors()) {
qualifiers.add(commandExecutor.getQualifier());
}
return qualifiers;
}
@Override
public void configure() {
onCommandReceived(GetSystemInfo.class).execute(new CommandExecutor<GetSystemInfo, ArrayList<SystemInfo>>() {
@Override
public Qualifier<GetSystemInfo> getQualifier() {
return Qualifier.of(GetSystemInfo.class);
}
@Override
public ArrayList<SystemInfo> execute(GetSystemInfo command, NodeContext nodeContext) {
long startTime = System.currentTimeMillis();
log.debug("start GetSystemInfo on agent {}", nodeContext.getId());
ArrayList<SystemInfo> systemInfo = getSystemInfo();
log.debug("finish GetSystemInfo on agent {} time {} ms", nodeContext.getId(), System.currentTimeMillis() - startTime);
return systemInfo;
}
});
onCommandReceived(GetCollectedProfileFromSuT.class).execute(
new CommandExecutor<GetCollectedProfileFromSuT, ProfileDTO>() {
@Override
public Qualifier<GetCollectedProfileFromSuT> getQualifier() {
return Qualifier.of(GetCollectedProfileFromSuT.class);
}
@Override
public ProfileDTO execute(GetCollectedProfileFromSuT command, NodeContext nodeContext) {
String hostAddress;
long startTime = System.currentTimeMillis();
try {
hostAddress = InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
hostAddress = "UNKNOWN";
}
ProfileDTO profileDTO = new ProfileDTO(hostAddress, Collections.EMPTY_MAP);
if (profilerEnabled) {
log.debug("start GetCollectedProfileFromSuT on agent {}", nodeContext.getId());
Map<String, RuntimeGraph> runtimeGraphs = profiler.getSamplingProfiler().getRuntimeGraph();
profileDTO = new ProfileDTO(hostAddress, runtimeGraphs);
log.debug("finish GetCollectedProfileFromSuT on agent {} time {} ms", nodeContext.getId(), System.currentTimeMillis() - startTime);
}
return profileDTO;
}
});
onCommandReceived(ManageCollectionProfileFromSuT.class).execute(
new CommandExecutor<ManageCollectionProfileFromSuT, VoidResult>() {
@Override
public Qualifier<ManageCollectionProfileFromSuT> getQualifier() {
return Qualifier.of(ManageCollectionProfileFromSuT.class);
}
@Override
public VoidResult execute(final ManageCollectionProfileFromSuT command, NodeContext nodeContext) {
VoidResult voidResult = new VoidResult();
if (profilerEnabled) {
long startTime = System.currentTimeMillis();
log.debug("start ManageCollectionProfileFromSuT on agent {}", nodeContext.getId());
try {
profiler.manageRuntimeGraphsCollection(command.getAction(),
Collections.<String, Object>singletonMap(Profiler.POLL_INTERVAL, command.getProfilerPollingInterval()));
} catch (Exception e) {
voidResult.setException(e);
}
log.debug("finish ManageCollectionProfileFromSuT on agent {} time {} ms", nodeContext.getId(),
System.currentTimeMillis() - startTime);
}
return voidResult;
}
});
onCommandReceived(ManageAgent.class).execute(
new CommandExecutor<ManageAgent, VoidResult>() {
@Override
public Qualifier<ManageAgent> getQualifier() {
return Qualifier.of(ManageAgent.class);
}
@Override
public VoidResult execute(final ManageAgent command, NodeContext nodeContext) {
long startTime = System.currentTimeMillis();
log.debug("start ManageAgent on agent {} : action {} ", nodeContext.getId(), command.toString());
new Thread() {
@Override
public void run() {
try {
log.debug("Try to manage agent {}", agent.getNodeContext().getId().getIdentifier());
synchronized (agent) {
if (agent.isUnderManagement()) {
log.warn("Agent {} is under management already", agent.getNodeContext().getId().getIdentifier());
return;
} else
agent.markAsUnderManagement();
}
Long waitBefore = Long.parseLong(ManageAgent.extractParameter(command.getParams(),
ManageAgent.ActionProp.WAIT_BEFORE).toString());
jmxMetricList = (ArrayList) ManageAgent.extractParameter(command.getParams(),
ManageAgent.ActionProp.SET_JMX_METRICS);
AgentContext agentContext = new AgentContext();
agentContext.setProperty(AgentContext.AgentContextProperty.JMX_METRICS, jmxMetricList);
monitoringInfoService.setContext(agentContext);
log.info("Waiting before action {} millis", waitBefore);
AgentStarter.agentLatch.await(waitBefore, TimeUnit.MILLISECONDS);
AgentStarter.alive.set(!Boolean.parseBoolean(ManageAgent.extractParameter(command.getParams(),
ManageAgent.ActionProp.HALT).toString()));
agent.unmarkAsUnderManagement();
AgentStarter.agentLatch.countDown();
log.info("Free latch for agent {}", agent.getNodeContext().getId().getIdentifier());
} catch (InterruptedException e) {
log.error("InterruptedException", e);// nothing to do
}
}
}.start();
log.info("finish ManageAgent on agent {} time {} ms", nodeContext.getId(),
System.currentTimeMillis() - startTime);
return VoidResult.emptyInstance();
}
}
);
onCommandReceived(GetGeneralNodeInfo.class).execute(
new CommandExecutor<GetGeneralNodeInfo, GeneralNodeInfo>() {
@Override
public Qualifier<GetGeneralNodeInfo> getQualifier() {
return Qualifier.of(GetGeneralNodeInfo.class);
}
@Override
public GeneralNodeInfo execute(GetGeneralNodeInfo command, NodeContext nodeContext) {
long startTime = System.currentTimeMillis();
log.debug("start GetGeneralNodeInfo on agent {}", nodeContext.getId());
GeneralNodeInfo generalNodeInfo = generalInfoCollector.getGeneralNodeInfo();
log.debug("finish GetGeneralNodeInfo on agent {} time {} ms", nodeContext.getId(), System.currentTimeMillis() - startTime);
return generalNodeInfo;
}
});
}
private ArrayList<SystemInfo> getSystemInfo() {
SystemInfo systemInfo = this.monitoringInfoService.getSystemInfo();
systemInfo.setNodeId(this.agent.getNodeContext().getId());
return new ArrayList<SystemInfo>(Collections.singletonList(systemInfo));
}
public void setMonitoringInfoService(MonitoringInfoService monitoringInfoService) {
this.monitoringInfoService = monitoringInfoService;
}
@Required
public void setProfiler(Profiler profiler) {
this.profiler = profiler;
}
public void setGeneralInfoCollector(GeneralInfoCollector generalInfoCollector) {
this.generalInfoCollector = generalInfoCollector;
}
}