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

Example 1 with UniqueIdentifier

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

the class ApplicationResource method addInstance.

/**
 * Registers information about a particular instance for an
 * {@link com.netflix.discovery.shared.Application}.
 *
 * @param info
 *            {@link InstanceInfo} information of the instance.
 * @param isReplication
 *            a header parameter containing information whether this is
 *            replicated from other nodes.
 */
@POST
@Consumes({ "application/json", "application/xml" })
public Response addInstance(InstanceInfo info, @HeaderParam(PeerEurekaNode.HEADER_REPLICATION) String isReplication) {
    logger.debug("Registering instance {} (replication={})", info.getId(), isReplication);
    // validate that the instanceinfo contains all the necessary required fields
    if (isBlank(info.getId())) {
        return Response.status(400).entity("Missing instanceId").build();
    } else if (isBlank(info.getHostName())) {
        return Response.status(400).entity("Missing hostname").build();
    } else if (isBlank(info.getIPAddr())) {
        return Response.status(400).entity("Missing ip address").build();
    } else if (isBlank(info.getAppName())) {
        return Response.status(400).entity("Missing appName").build();
    } else if (!appName.equals(info.getAppName())) {
        return Response.status(400).entity("Mismatched appName, expecting " + appName + " but was " + info.getAppName()).build();
    } else if (info.getDataCenterInfo() == null) {
        return Response.status(400).entity("Missing dataCenterInfo").build();
    } else if (info.getDataCenterInfo().getName() == null) {
        return Response.status(400).entity("Missing dataCenterInfo Name").build();
    }
    // handle cases where clients may be registering with bad DataCenterInfo with missing data
    DataCenterInfo dataCenterInfo = info.getDataCenterInfo();
    if (dataCenterInfo instanceof UniqueIdentifier) {
        String dataCenterInfoId = ((UniqueIdentifier) dataCenterInfo).getId();
        if (isBlank(dataCenterInfoId)) {
            boolean experimental = "true".equalsIgnoreCase(serverConfig.getExperimental("registration.validation.dataCenterInfoId"));
            if (experimental) {
                String entity = "DataCenterInfo of type " + dataCenterInfo.getClass() + " must contain a valid id";
                return Response.status(400).entity(entity).build();
            } else if (dataCenterInfo instanceof AmazonInfo) {
                AmazonInfo amazonInfo = (AmazonInfo) dataCenterInfo;
                String effectiveId = amazonInfo.get(AmazonInfo.MetaDataKey.instanceId);
                if (effectiveId == null) {
                    amazonInfo.getMetadata().put(AmazonInfo.MetaDataKey.instanceId.getName(), info.getId());
                }
            } else {
                logger.warn("Registering DataCenterInfo of type {} without an appropriate id", dataCenterInfo.getClass());
            }
        }
    }
    registry.register(info, "true".equals(isReplication));
    // 204 to be backwards compatible
    return Response.status(204).build();
}

Example 2 with UniqueIdentifier

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

the class EurekaConfigBasedInstanceInfoProvider method get.

@Override
public synchronized InstanceInfo get() {
    if (instanceInfo == null) {
        // Build the lease information to be passed to the server based on config
        LeaseInfo.Builder leaseInfoBuilder = LeaseInfo.Builder.newBuilder().setRenewalIntervalInSecs(config.getLeaseRenewalIntervalInSeconds()).setDurationInSecs(config.getLeaseExpirationDurationInSeconds());
        if (vipAddressResolver == null) {
            vipAddressResolver = new Archaius1VipAddressResolver();
        }
        // Builder the instance information to be registered with eureka server
        InstanceInfo.Builder builder = InstanceInfo.Builder.newBuilder(vipAddressResolver);
        // set the appropriate id for the InstanceInfo, falling back to datacenter Id if applicable, else hostname
        String instanceId = config.getInstanceId();
        if (instanceId == null || instanceId.isEmpty()) {
            DataCenterInfo dataCenterInfo = config.getDataCenterInfo();
            if (dataCenterInfo instanceof UniqueIdentifier) {
                instanceId = ((UniqueIdentifier) dataCenterInfo).getId();
            } else {
                instanceId = config.getHostName(false);
            }
        }
        String defaultAddress;
        if (config instanceof RefreshableInstanceConfig) {
            // Refresh AWS data center info, and return up to date address
            defaultAddress = ((RefreshableInstanceConfig) config).resolveDefaultAddress(false);
        } else {
            defaultAddress = config.getHostName(false);
        }
        // fail safe
        if (defaultAddress == null || defaultAddress.isEmpty()) {
            defaultAddress = config.getIpAddress();
        }
        builder.setNamespace(config.getNamespace()).setInstanceId(instanceId).setAppName(config.getAppname()).setAppGroupName(config.getAppGroupName()).setDataCenterInfo(config.getDataCenterInfo()).setIPAddr(config.getIpAddress()).setHostName(defaultAddress).setPort(config.getNonSecurePort()).enablePort(PortType.UNSECURE, config.isNonSecurePortEnabled()).setSecurePort(config.getSecurePort()).enablePort(PortType.SECURE, config.getSecurePortEnabled()).setVIPAddress(config.getVirtualHostName()).setSecureVIPAddress(config.getSecureVirtualHostName()).setHomePageUrl(config.getHomePageUrlPath(), config.getHomePageUrl()).setStatusPageUrl(config.getStatusPageUrlPath(), config.getStatusPageUrl()).setASGName(config.getASGName()).setHealthCheckUrls(config.getHealthCheckUrlPath(), config.getHealthCheckUrl(), config.getSecureHealthCheckUrl());
        // Start off with the STARTING state to avoid traffic
        if (!config.isInstanceEnabledOnit()) {
            InstanceStatus initialStatus = InstanceStatus.STARTING;
            LOG.info("Setting initial instance status as: {}", initialStatus);
            builder.setStatus(initialStatus);
        } else {
            LOG.info("Setting initial instance status as: {}. This may be too early for the instance to advertise " + "itself as available. You would instead want to control this via a healthcheck handler.", InstanceStatus.UP);
        }
        // Add any user-specific metadata information
        for (Map.Entry<String, String> mapEntry : config.getMetadataMap().entrySet()) {
            String key = mapEntry.getKey();
            String value = mapEntry.getValue();
            // only add the metadata if the value is present
            if (value != null && !value.isEmpty()) {
                builder.add(key, value);
            }
        }
        instanceInfo = builder.build();
        instanceInfo.setLeaseInfo(leaseInfoBuilder.build());
    }
    return instanceInfo;
}