/*
* Copyright 2012 Netflix, Inc.
*
* 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.
*/
package com.netflix.discovery;
import javax.annotation.Nullable;
import javax.inject.Singleton;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import com.google.inject.ProvidedBy;
import com.netflix.appinfo.EurekaAccept;
import com.netflix.config.DynamicPropertyFactory;
import com.netflix.config.DynamicStringProperty;
import com.netflix.discovery.internal.util.Archaius1Utils;
import com.netflix.discovery.providers.DefaultEurekaClientConfigProvider;
import com.netflix.discovery.shared.transport.DefaultEurekaTransportConfig;
import com.netflix.discovery.shared.transport.EurekaTransportConfig;
import static com.netflix.discovery.PropertyBasedClientConfigConstants.*;
/**
*
* A default implementation of eureka client configuration as required by
* {@link EurekaClientConfig}.
*
* <p>
* The information required for configuring eureka client is provided in a
* configuration file.The configuration file is searched for in the classpath
* with the name specified by the property <em>eureka.client.props</em> and with
* the suffix <em>.properties</em>. If the property is not specified,
* <em>eureka-client.properties</em> is assumed as the default.The properties
* that are looked up uses the <em>namespace</em> passed on to this class.
* </p>
*
* <p>
* If the <em>eureka.environment</em> property is specified, additionally
* <em>eureka-client-<eureka.environment>.properties</em> is loaded in addition
* to <em>eureka-client.properties</em>.
* </p>
*
* @author Karthik Ranganathan
*
*/
@Singleton
@ProvidedBy(DefaultEurekaClientConfigProvider.class)
public class DefaultEurekaClientConfig implements EurekaClientConfig {
/**
* @deprecated 2016-08-29 use {@link com.netflix.discovery.CommonConstants#DEFAULT_CONFIG_NAMESPACE}
*/
@Deprecated
public static final String DEFAULT_NAMESPACE = CommonConstants.DEFAULT_CONFIG_NAMESPACE + ".";
public static final String DEFAULT_ZONE = "defaultZone";
private final String namespace;
private final DynamicPropertyFactory configInstance;
private final EurekaTransportConfig transportConfig;
public DefaultEurekaClientConfig() {
this(CommonConstants.DEFAULT_CONFIG_NAMESPACE);
}
public DefaultEurekaClientConfig(String namespace) {
this.namespace = namespace.endsWith(".")
? namespace
: namespace + ".";
this.configInstance = Archaius1Utils.initConfig(CommonConstants.CONFIG_FILE_NAME);
this.transportConfig = new DefaultEurekaTransportConfig(namespace, configInstance);
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.discovery.EurekaClientConfig#getRegistryFetchIntervalSeconds
* ()
*/
@Override
public int getRegistryFetchIntervalSeconds() {
return configInstance.getIntProperty(
namespace + REGISTRY_REFRESH_INTERVAL_KEY, 30).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#
* getInstanceInfoReplicationIntervalSeconds()
*/
@Override
public int getInstanceInfoReplicationIntervalSeconds() {
return configInstance.getIntProperty(
namespace + REGISTRATION_REPLICATION_INTERVAL_KEY, 30).get();
}
@Override
public int getInitialInstanceInfoReplicationIntervalSeconds() {
return configInstance.getIntProperty(
namespace + INITIAL_REGISTRATION_REPLICATION_DELAY_KEY, 40).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getDnsPollIntervalSeconds()
*/
@Override
public int getEurekaServiceUrlPollIntervalSeconds() {
return configInstance.getIntProperty(
namespace + EUREKA_SERVER_URL_POLL_INTERVAL_KEY, 5 * 60 * 1000).get() / 1000;
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getProxyHost()
*/
@Override
public String getProxyHost() {
return configInstance.getStringProperty(
namespace + EUREKA_SERVER_PROXY_HOST_KEY, null).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getProxyPort()
*/
@Override
public String getProxyPort() {
return configInstance.getStringProperty(
namespace + EUREKA_SERVER_PROXY_PORT_KEY, null).get();
}
@Override
public String getProxyUserName() {
return configInstance.getStringProperty(
namespace + EUREKA_SERVER_PROXY_USERNAME_KEY, null).get();
}
@Override
public String getProxyPassword() {
return configInstance.getStringProperty(
namespace + EUREKA_SERVER_PROXY_PASSWORD_KEY, null).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#shouldGZipContent()
*/
@Override
public boolean shouldGZipContent() {
return configInstance.getBooleanProperty(
namespace + EUREKA_SERVER_GZIP_CONTENT_KEY, true).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getDSServerReadTimeout()
*/
@Override
public int getEurekaServerReadTimeoutSeconds() {
return configInstance.getIntProperty(
namespace + EUREKA_SERVER_READ_TIMEOUT_KEY, 8).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getDSServerConnectTimeout()
*/
@Override
public int getEurekaServerConnectTimeoutSeconds() {
return configInstance.getIntProperty(
namespace + EUREKA_SERVER_CONNECT_TIMEOUT_KEY, 5).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getBackupRegistryImpl()
*/
@Override
public String getBackupRegistryImpl() {
return configInstance.getStringProperty(namespace + BACKUP_REGISTRY_CLASSNAME_KEY,
null).get();
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.discovery.EurekaClientConfig#getDSServerTotalMaxConnections()
*/
@Override
public int getEurekaServerTotalConnections() {
return configInstance.getIntProperty(
namespace + EUREKA_SERVER_MAX_CONNECTIONS_KEY, 200).get();
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.discovery.EurekaClientConfig#getDSServerConnectionsPerHost()
*/
@Override
public int getEurekaServerTotalConnectionsPerHost() {
return configInstance.getIntProperty(
namespace + EUREKA_SERVER_MAX_CONNECTIONS_PER_HOST_KEY, 50).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getDSServerURLContext()
*/
@Override
public String getEurekaServerURLContext() {
return configInstance.getStringProperty(
namespace + EUREKA_SERVER_URL_CONTEXT_KEY,
configInstance.getStringProperty(namespace + EUREKA_SERVER_FALLBACK_URL_CONTEXT_KEY, null)
.get()).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getDSServerPort()
*/
@Override
public String getEurekaServerPort() {
return configInstance.getStringProperty(
namespace + EUREKA_SERVER_PORT_KEY,
configInstance.getStringProperty(namespace + EUREKA_SERVER_FALLBACK_PORT_KEY, null)
.get()).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getDSServerDomain()
*/
@Override
public String getEurekaServerDNSName() {
return configInstance.getStringProperty(
namespace + EUREKA_SERVER_DNS_NAME_KEY,
configInstance
.getStringProperty(namespace + EUREKA_SERVER_FALLBACK_DNS_NAME_KEY, null)
.get()).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#shouldUseDns()
*/
@Override
public boolean shouldUseDnsForFetchingServiceUrls() {
return configInstance.getBooleanProperty(namespace + SHOULD_USE_DNS_KEY,
false).get();
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.discovery.EurekaClientConfig#getDiscoveryRegistrationEnabled
* ()
*/
@Override
public boolean shouldRegisterWithEureka() {
return configInstance.getBooleanProperty(
namespace + REGISTRATION_ENABLED_KEY, true).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#shouldPreferSameZoneDS()
*/
@Override
public boolean shouldPreferSameZoneEureka() {
return configInstance.getBooleanProperty(namespace + SHOULD_PREFER_SAME_ZONE_SERVER_KEY,
true).get();
}
@Override
public boolean allowRedirects() {
return configInstance.getBooleanProperty(namespace + SHOULD_ALLOW_REDIRECTS_KEY, false).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#shouldLogDeltaDiff()
*/
@Override
public boolean shouldLogDeltaDiff() {
return configInstance.getBooleanProperty(
namespace + SHOULD_LOG_DELTA_DIFF_KEY, false).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#shouldDisableDelta()
*/
@Override
public boolean shouldDisableDelta() {
return configInstance.getBooleanProperty(namespace + SHOULD_DISABLE_DELTA_KEY,
false).get();
}
@Nullable
@Override
public String fetchRegistryForRemoteRegions() {
return configInstance.getStringProperty(namespace + SHOULD_FETCH_REMOTE_REGION_KEY, null).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getRegion()
*/
@Override
public String getRegion() {
DynamicStringProperty defaultEurekaRegion = configInstance.getStringProperty(CLIENT_REGION_FALLBACK_KEY, Values.DEFAULT_CLIENT_REGION);
return configInstance.getStringProperty(namespace + CLIENT_REGION_KEY, defaultEurekaRegion.get()).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getAvailabilityZones()
*/
@Override
public String[] getAvailabilityZones(String region) {
return configInstance
.getStringProperty(
namespace + region + "." + CONFIG_AVAILABILITY_ZONE_PREFIX,
DEFAULT_ZONE).get().split(",");
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.discovery.EurekaClientConfig#getEurekaServerServiceUrls()
*/
@Override
public List<String> getEurekaServerServiceUrls(String myZone) {
String serviceUrls = configInstance.getStringProperty(
namespace + CONFIG_EUREKA_SERVER_SERVICE_URL_PREFIX + "." + myZone, null).get();
if (serviceUrls == null || serviceUrls.isEmpty()) {
serviceUrls = configInstance.getStringProperty(
namespace + CONFIG_EUREKA_SERVER_SERVICE_URL_PREFIX + ".default", null).get();
}
if (serviceUrls != null) {
return Arrays.asList(serviceUrls.split(","));
}
return new ArrayList<String>();
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.discovery.EurekaClientConfig#shouldFilterOnlyUpInstances()
*/
@Override
public boolean shouldFilterOnlyUpInstances() {
return configInstance.getBooleanProperty(
namespace + SHOULD_FILTER_ONLY_UP_INSTANCES_KEY, true).get();
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.discovery.EurekaClientConfig#getEurekaConnectionIdleTimeout()
*/
@Override
public int getEurekaConnectionIdleTimeoutSeconds() {
return configInstance.getIntProperty(
namespace + EUREKA_SERVER_CONNECTION_IDLE_TIMEOUT_KEY, 30)
.get();
}
@Override
public boolean shouldFetchRegistry() {
return configInstance.getBooleanProperty(
namespace + FETCH_REGISTRY_ENABLED_KEY, true).get();
}
/*
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getRegistryRefreshSingleVipAddress()
*/
@Override
public String getRegistryRefreshSingleVipAddress() {
return configInstance.getStringProperty(
namespace + FETCH_SINGLE_VIP_ONLY_KEY, null).get();
}
/**
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getHeartbeatExecutorThreadPoolSize()
*/
@Override
public int getHeartbeatExecutorThreadPoolSize() {
return configInstance.getIntProperty(
namespace + HEARTBEAT_THREADPOOL_SIZE_KEY, Values.DEFAULT_EXECUTOR_THREAD_POOL_SIZE).get();
}
@Override
public int getHeartbeatExecutorExponentialBackOffBound() {
return configInstance.getIntProperty(
namespace + HEARTBEAT_BACKOFF_BOUND_KEY, Values.DEFAULT_EXECUTOR_THREAD_POOL_BACKOFF_BOUND).get();
}
/**
* (non-Javadoc)
*
* @see com.netflix.discovery.EurekaClientConfig#getCacheRefreshExecutorThreadPoolSize()
*/
@Override
public int getCacheRefreshExecutorThreadPoolSize() {
return configInstance.getIntProperty(
namespace + CACHEREFRESH_THREADPOOL_SIZE_KEY, Values.DEFAULT_EXECUTOR_THREAD_POOL_SIZE).get();
}
@Override
public int getCacheRefreshExecutorExponentialBackOffBound() {
return configInstance.getIntProperty(
namespace + CACHEREFRESH_BACKOFF_BOUND_KEY, Values.DEFAULT_EXECUTOR_THREAD_POOL_BACKOFF_BOUND).get();
}
@Override
public String getDollarReplacement() {
return configInstance.getStringProperty(
namespace + CONFIG_DOLLAR_REPLACEMENT_KEY, Values.CONFIG_DOLLAR_REPLACEMENT).get();
}
@Override
public String getEscapeCharReplacement() {
return configInstance.getStringProperty(
namespace + CONFIG_ESCAPE_CHAR_REPLACEMENT_KEY, Values.CONFIG_ESCAPE_CHAR_REPLACEMENT).get();
}
@Override
public boolean shouldOnDemandUpdateStatusChange() {
return configInstance.getBooleanProperty(
namespace + SHOULD_ONDEMAND_UPDATE_STATUS_KEY, true).get();
}
@Override
public String getEncoderName() {
return configInstance.getStringProperty(
namespace + CLIENT_ENCODER_NAME_KEY, null).get();
}
@Override
public String getDecoderName() {
return configInstance.getStringProperty(
namespace + CLIENT_DECODER_NAME_KEY, null).get();
}
@Override
public String getClientDataAccept() {
return configInstance.getStringProperty(
namespace + CLIENT_DATA_ACCEPT_KEY, EurekaAccept.full.name()).get();
}
@Override
public String getExperimental(String name) {
return configInstance.getStringProperty(namespace + CONFIG_EXPERIMENTAL_PREFIX + "." + name, null).get();
}
@Override
public EurekaTransportConfig getTransportConfig() {
return transportConfig;
}
}