introspective-monitoring

Introspective Monitoring library

License	Apache License 2.0
GroupId	com.ning
ArtifactId	nagios
Last Version	0.0.2
Release Date	Jul 3, 2011
Type	jar
Description	introspective-monitoring Introspective Monitoring library
Project URL	http://github.com/pierre/introspective-monitoring
Source Code Management	http://github.com/pierre/introspective-monitoring/tree/master

Download nagios

Filename	Size
nagios-0.0.2.pom
nagios-0.0.2.jar	11 KB
nagios-0.0.2-sources.jar	5 KB
nagios-0.0.2-javadoc.jar	42 KB
nagios-0.0.2-jar-with-dependencies.jar	1 MB
nagios-0.0.2-jar-with-dependencies-sources.jar	879 KB

How to add to project

Apache Maven

<!-- https://jarcasting.com/artifacts/com.ning/nagios/ -->
<dependency>
    <groupId>com.ning</groupId>
    <artifactId>nagios</artifactId>
    <version>0.0.2</version>
</dependency>

Gradle Groovy

// https://jarcasting.com/artifacts/com.ning/nagios/
implementation 'com.ning:nagios:0.0.2'

Gradle Kotlin

// https://jarcasting.com/artifacts/com.ning/nagios/
implementation ("com.ning:nagios:0.0.2")

Apache Buildr

'com.ning:nagios:jar:0.0.2'

Apache Ivy

<dependency org="com.ning" name="nagios" rev="0.0.2">
  <artifact name="nagios" type="jar" />
</dependency>

Groovy Grape

@Grapes(
@Grab(group='com.ning', module='nagios', version='0.0.2')
)

Scala SBT

libraryDependencies += "com.ning" % "nagios" % "0.0.2"

Leiningen

[com.ning/nagios "0.0.2"]

Dependencies

compile (3)

Group / Artifact	Type	Version
com.googlecode.jsendnsca » jsendnsca	jar	2.0.1
log4j : log4j	jar	1.2.16
org.skife.config : config-magic	jar	0.8

Project Modules

There are no modules declared in this project.

Introspective Monitoring¶ ↑

Enough with active checks! Make your service advertise its state to Nagios.

HOWTO¶ ↑

1. Define your service check by implementing com.ning.nagios.ServiceCheck

2. Configure how your service talks to Nagios by implementing com.ning.nagios.ServiceMonitor

3. Register the check with your ServiceMonitor

For example, assuming you have a Config object:

public class NagiosMonitor implements ServiceMonitor
{
    private static final Logger log = Logger.getLogger(NagiosMonitor.class);

    private final ConcurrentMap<String, MonitoredService> services = new ConcurrentHashMap<String, MonitoredService>();
    private final PassiveCheckSender sender;
    private final MessagePayloadBuilder payloadBuilder;
    private final TimeSpan checkRate;

    @Inject
    public NagiosMonitor(final Config config)
    {
        this.sender = new NagiosPassiveCheckSender(new NagiosSettingsBuilder()
            .withNagiosHost(config.getNagiosHost())
            .withPort(config.getNagiosPort())
            .withEncryption(config.getNagiosEncryption())
            .withPassword(config.getNagiosPassword())
            .withConnectionTimeout((int) config.getNagiosTimeout().getMillis())
            .withResponseTimeout((int) config.getNagiosTimeout().getMillis())
            .create());
        this.payloadBuilder = new MessagePayloadBuilder().withHostname(config.getNagiosReportedHostname());
        this.checkRate = config.getNagiosCheckRate();
    }

    @Override
    public MonitoredService registerServiceCheck(final String serviceName, final ServiceCheck check)
    {
        final MonitoredService service = new JsendnscaService(serviceName, checkRate, check, sender, payloadBuilder);
        final MonitoredService existingService = services.putIfAbsent(serviceName, service);

        if (existingService != null) {
            throw new IllegalStateException(String.format("Service check [%s] has already been registered", serviceName));
        }

        log.info(String.format("Added service [%s] with check rate of [%s]", service, checkRate));

        return service;
    }
}

You can now do

// Talk to Nagios
final ServiceCheck check = injector.getInstance(ServiceCheck.class);
final ServiceMonitor serviceMonitor = injector.getInstance(ServiceMonitor.class);
serviceMonitor.registerServiceCheck(config.getNagiosServiceName(), check);

Note: the library comes with com.ning.nagios.FakeNagiosMonitor for testing.

License (see LICENSE-2.0.txt file for full license)¶ ↑

Copyright 2011 Ning

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Versions

Version
0.0.2 Jul 3, 2011
0.0.1 Jun 17, 2011