Examples of org.apache.ace.agent.ConfigurationHandler

org.apache.ace.agent.ConfigurationHandler
Agent context delegate interface that is responsible for managing persisted configuration. External launchers may override or set values within the {@link AgentConstants.CONFIG_KEY_NAMESPACE} through system properties when theagent starts. If the launcher wants to retain existing persisted values, instead of overwriting them, it should specify an additional property with the same name post-fixed with {@link AgentConstants.CONFIG_KEY_RETAIN} set totrue.

Example: A launcher that wants to ensure the syncinterval is set to 3000 only when not configuration is already set should specify the following two system properties:
agent.controller.syncinterval=3000
agent.controller.syncinterval.retain=true

        System.setProperty(systemKey1, "value1");
        System.setProperty(systemKey2, "value2");


        resetConfigurationHandler();


        ConfigurationHandler configurationHandler = m_agentContextImpl.getHandler(ConfigurationHandler.class);


        assertEquals(configurationHandler.get(systemKey1, "default1"), "value1");
        assertEquals(configurationHandler.get(systemKey2, "default2"), "value2");


        // System props should *not* be persisted, they are not in our control...


        System.clearProperty(systemKey1);
        System.clearProperty(systemKey2);


        resetConfigurationHandler();


        configurationHandler = m_agentContextImpl.getHandler(ConfigurationHandler.class);


        assertEquals(configurationHandler.get(systemKey1, "qux"), "qux");
        assertEquals(configurationHandler.get(systemKey2, "quu"), "quu");


        // System props should not override the configured values...


        System.setProperty(systemKey1, "value1");
        System.setProperty(systemKey2, "value2");


        configureAgent(configurationHandler, systemKey1, "newvalue1", systemKey2, "newvalue2");


        resetConfigurationHandler();


        configurationHandler = m_agentContextImpl.getHandler(ConfigurationHandler.class);


        assertEquals(configurationHandler.get(systemKey1, "qux"), "newvalue1");
        assertEquals(configurationHandler.get(systemKey2, "quu"), "newvalue2");


        // System props should not override if explicitly configured values are present...


        System.setProperty(systemKey1, "valueX");
        System.setProperty(systemKey2, "valueY");


        resetConfigurationHandler();


        configurationHandler = m_agentContextImpl.getHandler(ConfigurationHandler.class);


        assertEquals(configurationHandler.get(systemKey1, "qqq"), "newvalue1");
        assertEquals(configurationHandler.get(systemKey2, "qqq"), "newvalue2");
    }

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    private void resetConfigurationHandler() throws Exception {
        resetConfigurationHandler(new ConfigurationHandlerImpl(m_context));
    }


    private void resetConfigurationHandler(ConfigurationHandler configurationHandler) throws Exception {
        ConfigurationHandler oldConfigurationHandler = m_agentContextImpl.getHandler(ConfigurationHandler.class);
        if (oldConfigurationHandler instanceof ComponentBase) {
            ((ComponentBase) oldConfigurationHandler).stop();
        }


        m_agentContextImpl.setHandler(ConfigurationHandler.class, configurationHandler);

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    protected void onInit() throws Exception {
        getEventsHandler().addListener(this);


        // The controller is started *after* all other components, causing it to miss the initial configuration-update
        // event, hence we need to get the configuration ourselves for the first time...
        ConfigurationHandler config = getConfigurationHandler();
        m_updateStreaming.set(config.getBoolean(CONFIG_CONTROLLER_STREAMING, m_updateStreaming.get()));
        m_fixPackage.set(config.getBoolean(CONFIG_CONTROLLER_FIXPACKAGES, m_fixPackage.get()));
        m_interval.set(config.getLong(CONFIG_CONTROLLER_SYNCINTERVAL, m_interval.get()));
        m_syncDelay.set(config.getLong(CONFIG_CONTROLLER_SYNCDELAY, m_syncDelay.get()));
        m_maxRetries.set(config.getLong(CONFIG_CONTROLLER_RETRIES, m_maxRetries.get()));


        logDebug("Config initialized: update: %s, fixPkg: %s, syncDelay: %d, syncInterval: %d, maxRetries: %d", m_updateStreaming.get(), m_fixPackage.get(), m_syncDelay.get(), m_interval.get(), m_maxRetries.get());
    }

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        expect(identificationHandler.getAgentId()).andReturn(identification).anyTimes();


        DiscoveryHandler discoveryHandler = addTestMock(DiscoveryHandler.class);
        expect(discoveryHandler.getServerUrl()).andReturn(serverURL).anyTimes();


        ConfigurationHandler configurationHandler = addTestMock(ConfigurationHandler.class);
        expect(configurationHandler.get(notNull(String.class), anyObject(String.class))).andReturn(null).anyTimes();


        DeploymentAdmin deploymentAdmin = addTestMock(DeploymentAdmin.class);
        expect(deploymentAdmin.listDeploymentPackages()).andReturn(
            new DeploymentPackage[] { deploymentPackage2, deploymentPackage1 }).anyTimes();
        expect(deploymentAdmin.installDeploymentPackage(notNull(InputStream.class)

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    public void testGetSizeEstimateForDeploymentPackage() throws Exception {
        AgentControl control = getService(AgentControl.class);


        Map<String, String> props = createAgentConfiguration(false /* useStreaming */, 1000 /* secs */);


        ConfigurationHandler configurationHandler = control.getConfigurationHandler();
        configurationHandler.putAll(props);


        // Allow configuration to propagate...
        Thread.sleep(100L);


        synchronized (m_servlet) {

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    private void setupAgentForNonStreamingDeployment() throws Exception {
        AgentControl control = getService(AgentControl.class);


        Map<String, String> props = createAgentConfiguration(false /* useStreaming */, 1 /* sec */);


        ConfigurationHandler configurationHandler = control.getConfigurationHandler();
        configurationHandler.putAll(props);


        synchronized (m_servlet) {
            m_servlet.reset();
        }

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    private void setupAgentForStreamingDeployment() throws Exception {
        AgentControl control = getService(AgentControl.class);


        Map<String, String> props = createAgentConfiguration(true /* useStreaming */, 1 /* sec */);


        ConfigurationHandler configurationHandler = control.getConfigurationHandler();
        configurationHandler.putAll(props);


        waitForInstalledVersion(Version.emptyVersion);
    }

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org.apache.ace.agent.impl.ConfigurationHandlerImplTest

org.apache.ace.agent.impl.ConnectionHandlerImplTest

org.apache.ace.agent.impl.DefaultController

org.apache.ace.agent.impl.DeploymentHandlerImplTest

org.apache.ace.agent.impl.DiscoveryHandlerImplTest

org.apache.ace.agent.impl.EventLoggerImplTest

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org.apache.ace.agent.itest.AgentDeploymentTest

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