Examples of org.rhq.core.system.ProcessInfo

org.rhq.core.system.ProcessInfo

Encapsulates information about a known process.

A few process properties (i.e. PID, command line) will never change during the lifetime of the process and can be read directly with this class accessors. Other process properties (i.e. state, cpu usage) will vary and their values are grouped in {@link ProcessInfoSnapshot} instances.

Operations on static properties of the process must be implemented in the {@link ProcessInfo} type. Operations onnon static properties must be implemented in the {@link ProcessInfoSnapshot} type. The {@link ProcessInfoSnapshot}subtype has been created to remind users of the class that they are working with cached data.

For example, if you want to be sure a process is still alive, you should use this code:
processInfo.freshSnapshot().isRunning()

Rather than:
processInfo.priorSnapshot().isRunning()
@author John Mazzitelli @author Ian Springer @author Thomas Segismont


    public void start(ResourceContext resourceContext) throws InvalidPluginConfigurationException, Exception {
        this.resourceContext = resourceContext;
        buildSharedConnectionIfNeeded();
        pooledConnectionProvider = new MySqlPooledConnectionProvider(resourceContext.getPluginConfiguration());
        ProcessInfo processInfo = resourceContext.getNativeProcess();
        if (processInfo != null) {
            aggregateProcessInfo = processInfo.getAggregateProcessTree();
        } else {
            findProcessInfo();
        }
    }

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        return parseRuntimeConfiguration(suppressUnknownModuleWarnings,false);
    }
    
    public ApacheDirectiveTree parseRuntimeConfiguration(boolean suppressUnknownModuleWarnings, boolean keepConditional) {
        String httpdConfPath = getHttpdConfFile().getAbsolutePath();
        ProcessInfo processInfo = resourceContext.getNativeProcess();


        return ApacheServerDiscoveryComponent.parseRuntimeConfiguration(httpdConfPath, processInfo, binaryInfo,
            getModuleNames(), suppressUnknownModuleWarnings, keepConditional);
    }

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        // Process any auto-discovered resources.
        List<ProcessScanResult> autoDiscoveryResults = context.getAutoDiscoveredProcesses();
        for (ProcessScanResult result : autoDiscoveryResults) {
            LOG.info("Discovered a mysql process: " + result);


            ProcessInfo procInfo = result.getProcessInfo();


            servers.add(createResourceDetails(context, context.getDefaultPluginConfiguration(), procInfo));
        }


        return servers;

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        return servers;
    }


    public DiscoveredResourceDetails discoverResource(Configuration pluginConfiguration,
        ResourceDiscoveryContext resourceDiscoveryContext) throws InvalidPluginConfigurationException {
        ProcessInfo processInfo = null;
        DiscoveredResourceDetails resourceDetails = createResourceDetails(resourceDiscoveryContext,
            pluginConfiguration, processInfo);
        return resourceDetails;
    }

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    }


    private OperationResult shutdownIfNecessary() {
        log.info("Shutting down " + getResourceContext().getResourceKey());


        ProcessInfo process = getResourceContext().getNativeProcess();
        if (process == null) {
            File pidFile = new File(getBinDir(), "cassandra.pid");
            if (pidFile.exists()) {
                return shutdownStorageNode();
            } else {

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        try {
            if (pidFile.exists()) {
                long pid = readPidFile(pidFile);
                log.info("Shutting down storage node with pid " + pid);
                ProcessInfo process = findProcessInfo(pid);
                if (process != null) {
                    try {
                        process.kill("KILL");
                        waitForNodeToGoDown();
                        pidFile.delete();
                        result.setSimpleResult("Successfully storage node with pid " + pid);
                    } catch (SigarException e) {
                        log.error("Failed to delete storage node with pid " + process.getPid(), e);
                        result.setErrorMessage("Failed to delete storage node with pid " + pid + ": " +
                            ThrowableUtil.getAllMessages(e));
                    }
                } else {
                    log.warn("Could not find process info for pid " + pid);

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        if (!isSupportedVersion(binaryInfo.getVersion())) {
            throw new InvalidPluginConfigurationException("Version of Apache executable (" + binaryInfo.getVersion()
                + ") is not a supported version; supported versions are 1.3.x and 2.x.");
        }


        ProcessInfo processInfo = null;
        try {
            DiscoveredResourceDetails resourceDetails =
                createResourceDetails(discoveryContext, pluginConfig, processInfo, binaryInfo);
            return resourceDetails;
        } catch (Exception e) {

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        // discovered by other plugins.
        List<ProcessScanResult> nonExcludedProcesses = getNonExcludedJavaProcesses(context);


        for (ProcessScanResult process : nonExcludedProcesses) {
            try {
                ProcessInfo processInfo = process.getProcessInfo();
                DiscoveredResourceDetails details = discoverResourceDetails(context, processInfo);
                if (details != null) {
                    //detect discovered jmx resources that are erroneously using the same key
                    if (discoveredResources.contains(details)) {
                        List<DiscoveredResourceDetails> duplicates = duplicatesByKey.get(details.getResourceKey());

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            List<ProcessInfo> processes = inventoriedResource.getSystemInformation().getProcesses(
                "process|pid|match=" + pid);
            if (processes.size() != 1) {
                throw new IllegalStateException("Failed to find process with PID [" + pid + "].");
            }
            ProcessInfo process = processes.get(0);
            String mainClassName = getJavaMainClassName(process);
            String explicitKeyValue = getSystemPropertyValue(process, SYSPROP_RHQ_RESOURCE_KEY);
            if (oldKeyType == JvmResourceKey.Type.Legacy || explicitKeyValue != null) {
                // We need to upgrade the key.
                JvmResourceKey newKey;

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        System.out.println("===== Validating Server Process: " + getServerResource());


        List<ProcessInfo> processes = getServerProcesses();
        Assert.assertEquals(processes.size(), 1, "Can't find AS Process.");
        ProcessInfo serverProcess = processes.get(0);
        Map<String, String> processEnv = serverProcess.getEnvironmentVariables();
        assertEquals(processEnv.get("FOO"), "bar", processEnv.toString());


        List<String> processArgs = Arrays.asList(serverProcess.getCommandLine());
        assertTrue(processArgs.contains("-Dfoo=bar"), processArgs.toString());


        System.out.println("---------- Finished " + getClass().getSimpleName() + ". testShutdownAndStartOperations...");
    }

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org.hyperic.sigar.ProcExe

org.hyperic.sigar.ProcState

org.hyperic.sigar.Sigar

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org.rhq.core.pc.inventory.getnativeprocess.testplugin.TestComponent

org.rhq.core.pc.inventory.getnativeprocess.testplugin.TestDiscoveryComponent

org.rhq.core.pluginapi.inventory.ResourceContext

org.rhq.core.system.pquery.ProcessInfoQuery

org.rhq.core.system.pquery.ProcessInfoQueryTest

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