Examples with InstanceInfo com.netflix.appinfo.InstanceInfo used on opensource projects

Example 51 with InstanceInfo

use of com.netflix.appinfo.InstanceInfo in project eureka by Netflix.

the class AbstractInstanceRegistry method getApplicationDeltasFromMultipleRegions.

/**
     * Gets the application delta also including instances from the passed remote regions, with the instances from the
     * local region. <br/>
     *
     * The remote regions from where the instances will be chosen can further be restricted if this application does not
     * appear in the whitelist specified for the region as returned by
     * {@link EurekaServerConfig#getRemoteRegionAppWhitelist(String)} for a region. In case, there is no whitelist
     * defined for a region, this method will also look for a global whitelist by passing <code>null</code> to the
     * method {@link EurekaServerConfig#getRemoteRegionAppWhitelist(String)} <br/>
     *
     * @param remoteRegions The remote regions for which the instances are to be queried. The instances may be limited
     *                      by a whitelist as explained above. If <code>null</code> all remote regions are included.
     *                      If empty list then no remote region is included.
     *
     * @return The delta with instances from the passed remote regions as well as local region. The instances
     * from remote regions can be further be restricted as explained above. <code>null</code> if the application does
     * not exist locally or in remote regions.
     */
public Applications getApplicationDeltasFromMultipleRegions(String[] remoteRegions) {
    if (null == remoteRegions) {
        // null means all remote regions.
        remoteRegions = allKnownRemoteRegions;
    }
    boolean includeRemoteRegion = remoteRegions.length != 0;
    if (includeRemoteRegion) {
        GET_ALL_WITH_REMOTE_REGIONS_CACHE_MISS_DELTA.increment();
    } else {
        GET_ALL_CACHE_MISS_DELTA.increment();
    }
    Applications apps = new Applications();
    apps.setVersion(responseCache.getVersionDeltaWithRegions().get());
    Map<String, Application> applicationInstancesMap = new HashMap<String, Application>();
    try {
        write.lock();
        Iterator<RecentlyChangedItem> iter = this.recentlyChangedQueue.iterator();
        logger.debug("The number of elements in the delta queue is :" + this.recentlyChangedQueue.size());
        while (iter.hasNext()) {
            Lease<InstanceInfo> lease = iter.next().getLeaseInfo();
            InstanceInfo instanceInfo = lease.getHolder();
            Object[] args = { instanceInfo.getId(), instanceInfo.getStatus().name(), instanceInfo.getActionType().name() };
            logger.debug("The instance id %s is found with status %s and actiontype %s", args);
            Application app = applicationInstancesMap.get(instanceInfo.getAppName());
            if (app == null) {
                app = new Application(instanceInfo.getAppName());
                applicationInstancesMap.put(instanceInfo.getAppName(), app);
                apps.addApplication(app);
            }
            app.addInstance(decorateInstanceInfo(lease));
        }
        if (includeRemoteRegion) {
            for (String remoteRegion : remoteRegions) {
                RemoteRegionRegistry remoteRegistry = regionNameVSRemoteRegistry.get(remoteRegion);
                if (null != remoteRegistry) {
                    Applications remoteAppsDelta = remoteRegistry.getApplicationDeltas();
                    if (null != remoteAppsDelta) {
                        for (Application application : remoteAppsDelta.getRegisteredApplications()) {
                            if (shouldFetchFromRemoteRegistry(application.getName(), remoteRegion)) {
                                Application appInstanceTillNow = apps.getRegisteredApplications(application.getName());
                                if (appInstanceTillNow == null) {
                                    appInstanceTillNow = new Application(application.getName());
                                    apps.addApplication(appInstanceTillNow);
                                }
                                for (InstanceInfo instanceInfo : application.getInstances()) {
                                    appInstanceTillNow.addInstance(instanceInfo);
                                }
                            }
                        }
                    }
                }
            }
        }
        Applications allApps = getApplicationsFromMultipleRegions(remoteRegions);
        apps.setAppsHashCode(allApps.getReconcileHashCode());
        return apps;
    } finally {
        write.unlock();
    }
}

Example 52 with InstanceInfo

use of com.netflix.appinfo.InstanceInfo in project eureka by Netflix.

the class AbstractInstanceRegistry method renew.

/**
     * Marks the given instance of the given app name as renewed, and also marks whether it originated from
     * replication.
     *
     * @see com.netflix.eureka.lease.LeaseManager#renew(java.lang.String, java.lang.String, boolean)
     */
public boolean renew(String appName, String id, boolean isReplication) {
    RENEW.increment(isReplication);
    Map<String, Lease<InstanceInfo>> gMap = registry.get(appName);
    Lease<InstanceInfo> leaseToRenew = null;
    if (gMap != null) {
        leaseToRenew = gMap.get(id);
    }
    if (leaseToRenew == null) {
        RENEW_NOT_FOUND.increment(isReplication);
        logger.warn("DS: Registry: lease doesn't exist, registering resource: {} - {}", appName, id);
        return false;
    } else {
        InstanceInfo instanceInfo = leaseToRenew.getHolder();
        if (instanceInfo != null) {
            // touchASGCache(instanceInfo.getASGName());
            InstanceStatus overriddenInstanceStatus = this.getOverriddenInstanceStatus(instanceInfo, leaseToRenew, isReplication);
            if (overriddenInstanceStatus == InstanceStatus.UNKNOWN) {
                logger.info("Instance status UNKNOWN possibly due to deleted override for instance {}" + "; re-register required", instanceInfo.getId());
                RENEW_NOT_FOUND.increment(isReplication);
                return false;
            }
            if (!instanceInfo.getStatus().equals(overriddenInstanceStatus)) {
                Object[] args = { instanceInfo.getStatus().name(), instanceInfo.getOverriddenStatus().name(), instanceInfo.getId() };
                logger.info("The instance status {} is different from overridden instance status {} for instance {}. " + "Hence setting the status to overridden status", args);
                instanceInfo.setStatus(overriddenInstanceStatus);
            }
        }
        renewsLastMin.increment();
        leaseToRenew.renew();
        return true;
    }
}

Example 53 with InstanceInfo

use of com.netflix.appinfo.InstanceInfo in project eureka by Netflix.

the class AbstractInstanceRegistry method getApplicationsFromMultipleRegions.

/**
     * This method will return applications with instances from all passed remote regions as well as the current region.
     * Thus, this gives a union view of instances from multiple regions. <br/>
     * The application instances for which this union will be done can be restricted to the names returned by
     * {@link EurekaServerConfig#getRemoteRegionAppWhitelist(String)} for every region. In case, there is no whitelist
     * defined for a region, this method will also look for a global whitelist by passing <code>null</code> to the
     * method {@link EurekaServerConfig#getRemoteRegionAppWhitelist(String)} <br/>
     * If you are not selectively requesting for a remote region, use {@link #getApplicationsFromAllRemoteRegions()}
     * or {@link #getApplicationsFromLocalRegionOnly()}
     *
     * @param remoteRegions The remote regions for which the instances are to be queried. The instances may be limited
     *                      by a whitelist as explained above. If <code>null</code> or empty no remote regions are
     *                      included.
     *
     * @return The applications with instances from the passed remote regions as well as local region. The instances
     * from remote regions can be only for certain whitelisted apps as explained above.
     */
public Applications getApplicationsFromMultipleRegions(String[] remoteRegions) {
    boolean includeRemoteRegion = null != remoteRegions && remoteRegions.length != 0;
    logger.debug("Fetching applications registry with remote regions: {}, Regions argument {}", includeRemoteRegion, Arrays.toString(remoteRegions));
    if (includeRemoteRegion) {
        GET_ALL_WITH_REMOTE_REGIONS_CACHE_MISS.increment();
    } else {
        GET_ALL_CACHE_MISS.increment();
    }
    Applications apps = new Applications();
    apps.setVersion(1L);
    for (Entry<String, Map<String, Lease<InstanceInfo>>> entry : registry.entrySet()) {
        Application app = null;
        if (entry.getValue() != null) {
            for (Entry<String, Lease<InstanceInfo>> stringLeaseEntry : entry.getValue().entrySet()) {
                Lease<InstanceInfo> lease = stringLeaseEntry.getValue();
                if (app == null) {
                    app = new Application(lease.getHolder().getAppName());
                }
                app.addInstance(decorateInstanceInfo(lease));
            }
        }
        if (app != null) {
            apps.addApplication(app);
        }
    }
    if (includeRemoteRegion) {
        for (String remoteRegion : remoteRegions) {
            RemoteRegionRegistry remoteRegistry = regionNameVSRemoteRegistry.get(remoteRegion);
            if (null != remoteRegistry) {
                Applications remoteApps = remoteRegistry.getApplications();
                for (Application application : remoteApps.getRegisteredApplications()) {
                    if (shouldFetchFromRemoteRegistry(application.getName(), remoteRegion)) {
                        logger.info("Application {}  fetched from the remote region {}", application.getName(), remoteRegion);
                        Application appInstanceTillNow = apps.getRegisteredApplications(application.getName());
                        if (appInstanceTillNow == null) {
                            appInstanceTillNow = new Application(application.getName());
                            apps.addApplication(appInstanceTillNow);
                        }
                        for (InstanceInfo instanceInfo : application.getInstances()) {
                            appInstanceTillNow.addInstance(instanceInfo);
                        }
                    } else {
                        logger.debug("Application {} not fetched from the remote region {} as there exists a " + "whitelist and this app is not in the whitelist.", application.getName(), remoteRegion);
                    }
                }
            } else {
                logger.warn("No remote registry available for the remote region {}", remoteRegion);
            }
        }
    }
    apps.setAppsHashCode(apps.getReconcileHashCode());
    return apps;
}

Example 54 with InstanceInfo

use of com.netflix.appinfo.InstanceInfo in project eureka by Netflix.

the class EurekaModuleTest method testDI.

@SuppressWarnings("deprecation")
@Test
public void testDI() {
    InstanceInfo instanceInfo = injector.getInstance(InstanceInfo.class);
    Assert.assertEquals(ApplicationInfoManager.getInstance().getInfo(), instanceInfo);
    EurekaClient eurekaClient = injector.getInstance(EurekaClient.class);
    DiscoveryClient discoveryClient = injector.getInstance(DiscoveryClient.class);
    Assert.assertEquals(DiscoveryManager.getInstance().getEurekaClient(), eurekaClient);
    Assert.assertEquals(DiscoveryManager.getInstance().getDiscoveryClient(), discoveryClient);
    Assert.assertEquals(eurekaClient, discoveryClient);
    EurekaClientConfig eurekaClientConfig = injector.getInstance(EurekaClientConfig.class);
    Assert.assertEquals(DiscoveryManager.getInstance().getEurekaClientConfig(), eurekaClientConfig);
    EurekaInstanceConfig eurekaInstanceConfig = injector.getInstance(EurekaInstanceConfig.class);
    Assert.assertEquals(DiscoveryManager.getInstance().getEurekaInstanceConfig(), eurekaInstanceConfig);
    Binding<TransportClientFactories> binding = injector.getExistingBinding(Key.get(TransportClientFactories.class));
    // no bindings so defaulting to default of jersey1
    Assert.assertNull(binding);
}

Example 55 with InstanceInfo

use of com.netflix.appinfo.InstanceInfo in project eureka by Netflix.

the class DiscoveryJerseyProviderTest method testEncodingDecoding.

private void testEncodingDecoding(MediaType mediaType) throws IOException {
    // Write
    assertThat(jerseyProvider.isWriteable(InstanceInfo.class, InstanceInfo.class, null, mediaType), is(true));
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    jerseyProvider.writeTo(INSTANCE, InstanceInfo.class, InstanceInfo.class, null, mediaType, null, out);
    // Read
    assertThat(jerseyProvider.isReadable(InstanceInfo.class, InstanceInfo.class, null, mediaType), is(true));
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    InstanceInfo decodedInstance = (InstanceInfo) jerseyProvider.readFrom(InstanceInfo.class, InstanceInfo.class, null, mediaType, null, in);
    assertThat(decodedInstance, is(equalTo(INSTANCE)));
}