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Ribbon utilities

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This commit is contained in:
Spencer Gibb
2018-01-09 15:15:08 -05:00
parent 84f56ec3b2
commit ca81bdf71e
7 changed files with 153 additions and 21 deletions
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12
spring-cloud-netflix-eureka-client/src/main/java/org/springframework/cloud/netflix/ribbon/eureka/EurekaRibbonClientConfiguration.java
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@@ -26,6 +26,8 @@ import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cloud.netflix.ribbon.PropertiesFactory;
import org.springframework.cloud.netflix.ribbon.RibbonClientName;
import org.springframework.cloud.netflix.ribbon.RibbonUtils;
import org.springframework.cloud.netflix.ribbon.ServerIntrospector;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@@ -41,10 +43,6 @@ import com.netflix.loadbalancer.ServerList;
import com.netflix.niws.loadbalancer.DiscoveryEnabledNIWSServerList;
import com.netflix.niws.loadbalancer.NIWSDiscoveryPing;
import static com.netflix.client.config.CommonClientConfigKey.DeploymentContextBasedVipAddresses;
import static com.netflix.client.config.CommonClientConfigKey.EnableZoneAffinity;
import static org.springframework.cloud.netflix.ribbon.RibbonUtils.setRibbonProperty;
/**
* Preprocessor that configures defaults for eureka-discovered ribbon clients. Such as:
* <code>@zone</code>, NIWSServerListClassName, DeploymentContextBasedVipAddresses,
@@ -62,7 +60,7 @@ public class EurekaRibbonClientConfiguration {
@Value("${ribbon.eureka.approximateZoneFromHostname:false}")
private boolean approximateZoneFromHostname = false;
@Value("${ribbon.client.name}")
@RibbonClientName
private String serviceId = "client";
@Autowired(required = false)
@@ -145,9 +143,7 @@ public class EurekaRibbonClientConfiguration {
}
}
}
setRibbonProperty(this.serviceId, DeploymentContextBasedVipAddresses.key(),
this.serviceId);
setRibbonProperty(this.serviceId, EnableZoneAffinity.key(), "true");
RibbonUtils.initializeRibbonDefaults(serviceId);
}
}

4
spring-cloud-netflix-ribbon/src/main/java/org/springframework/cloud/netflix/ribbon/RestClientRibbonConfiguration.java
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@@ -17,11 +17,11 @@
package org.springframework.cloud.netflix.ribbon;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;
import com.netflix.client.AbstractLoadBalancerAwareClient;
import com.netflix.client.RetryHandler;
import com.netflix.client.config.IClientConfig;
@@ -36,7 +36,7 @@ import com.netflix.servo.monitor.Monitors;
@Configuration
@RibbonAutoConfiguration.ConditionalOnRibbonRestClient
class RestClientRibbonConfiguration {
@Value("${ribbon.client.name}")
@RibbonClientName
private String name = "client";
/**

3
spring-cloud-netflix-ribbon/src/main/java/org/springframework/cloud/netflix/ribbon/RibbonClientConfiguration.java
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@@ -21,7 +21,6 @@ import javax.annotation.PostConstruct;
import org.apache.http.client.params.ClientPNames;
import org.apache.http.client.params.CookiePolicy;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cloud.commons.httpclient.HttpClientConfiguration;
@@ -70,7 +69,7 @@ public class RibbonClientConfiguration {
public static final int DEFAULT_CONNECT_TIMEOUT = 1000;
public static final int DEFAULT_READ_TIMEOUT = 1000;
@Value("${ribbon.client.name}")
@RibbonClientName
private String name = "client";
// TODO: maybe re-instate autowired load balancers: identified by name they could be

26
spring-cloud-netflix-ribbon/src/main/java/org/springframework/cloud/netflix/ribbon/RibbonClientName.java Normal file
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@@ -0,0 +1,26 @@
package org.springframework.cloud.netflix.ribbon;
import org.springframework.beans.factory.annotation.Value;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Annotation at the field or method/constructor parameter level that injects the
* Ribbon Client Name that got allocated at runtime. Provides a convenient
* alternative for <code>&#064;Value(&quot;${ribbon.client.name}&quot;)</code>.
*
* @author Spencer Gibb
* @since 2.0.0
*/
@Target({ ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER,
ElementType.ANNOTATION_TYPE })
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Value("${ribbon.client.name}")
public @interface RibbonClientName {
}

107
spring-cloud-netflix-ribbon/src/main/java/org/springframework/cloud/netflix/ribbon/RibbonUtils.java
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@@ -2,6 +2,7 @@ package org.springframework.cloud.netflix.ribbon;
import java.net.URI;
import com.netflix.client.config.IClientConfigKey;
import org.springframework.util.StringUtils;
import org.springframework.web.util.UriComponentsBuilder;
import com.netflix.client.config.CommonClientConfigKey;
@@ -14,6 +15,17 @@ import com.netflix.loadbalancer.Server;
import java.util.HashMap;
import java.util.Map;
import static com.netflix.client.config.CommonClientConfigKey.DeploymentContextBasedVipAddresses;
import static com.netflix.client.config.CommonClientConfigKey.EnableZoneAffinity;
import static com.netflix.client.config.CommonClientConfigKey.Port;
import static com.netflix.client.config.CommonClientConfigKey.SecurePort;
import static com.netflix.client.config.DefaultClientConfigImpl.DEFAULT_CONNECT_TIMEOUT;
import static com.netflix.client.config.DefaultClientConfigImpl.DEFAULT_FOLLOW_REDIRECTS;
import static com.netflix.client.config.DefaultClientConfigImpl.DEFAULT_MAX_TOTAL_CONNECTIONS;
import static com.netflix.client.config.DefaultClientConfigImpl.DEFAULT_OK_TO_RETRY_ON_ALL_OPERATIONS;
import static com.netflix.client.config.DefaultClientConfigImpl.DEFAULT_PORT;
import static com.netflix.client.config.DefaultClientConfigImpl.DEFAULT_READ_TIMEOUT;
/**
* @author Spencer Gibb
* @author Jacques-Etienne Beaudet
@@ -22,7 +34,6 @@ import java.util.Map;
public class RibbonUtils {
public static final String VALUE_NOT_SET = "__not__set__";
public static final String DEFAULT_NAMESPACE = "ribbon";
private static final Map<String, String> unsecureSchemeMapping;
@@ -33,6 +44,100 @@ public class RibbonUtils {
unsecureSchemeMapping.put("ws", "wss");
}
public static void initializeRibbonDefaults(String serviceId) {
setRibbonProperty(serviceId, DeploymentContextBasedVipAddresses.key(),
serviceId);
setRibbonProperty(serviceId, EnableZoneAffinity.key(), "true");
}
public static RibbonProperties from(IClientConfig config) {
return new RibbonProperties(config);
}
//TODO: add more commonly used properties
//TODO: refactor s-c-netflix to use this class where possible
public static class RibbonProperties {
private final IClientConfig config;
RibbonProperties(IClientConfig config) {
this.config = config;
}
public Integer getPort() {
return get(Port);
}
public int port() {
return get(Port, DEFAULT_PORT);
}
public Integer getSecurePort() {
return this.config.get(SecurePort);
}
public Boolean getSecure() {
return get(CommonClientConfigKey.IsSecure);
}
public boolean isSecure() {
return get(CommonClientConfigKey.IsSecure, false);
}
public Integer getReadTimeout() {
return get(CommonClientConfigKey.ReadTimeout);
}
public int readTimeout() {
return get(CommonClientConfigKey.ReadTimeout, DEFAULT_READ_TIMEOUT);
}
public Integer getConnectTimeout() {
return get(CommonClientConfigKey.ConnectTimeout);
}
public int connectTimeout() {
return get(CommonClientConfigKey.ConnectTimeout, DEFAULT_CONNECT_TIMEOUT);
}
public Boolean getOkToRetryOnAllOperations() {
return get(CommonClientConfigKey.OkToRetryOnAllOperations);
}
public boolean isOkToRetryOnAllOperations() {
return get(CommonClientConfigKey.OkToRetryOnAllOperations,
DEFAULT_OK_TO_RETRY_ON_ALL_OPERATIONS);
}
public Boolean getFollowRedirects() {
return get(CommonClientConfigKey.FollowRedirects);
}
public boolean isFollowRedirects() {
return get(CommonClientConfigKey.FollowRedirects,
DEFAULT_FOLLOW_REDIRECTS);
}
public Integer getMaxTotalConnections() {
return get(CommonClientConfigKey.MaxTotalConnections);
}
public int maxTotalConnections() {
return get(CommonClientConfigKey.MaxTotalConnections, DEFAULT_MAX_TOTAL_CONNECTIONS);
}
public <T> boolean has(IClientConfigKey<T> key) {
return this.config.containsProperty(key);
}
public <T> T get(IClientConfigKey<T> key) {
return this.config.get(key);
}
public <T> T get(IClientConfigKey<T> key, T defaultValue) {
return this.config.get(key, defaultValue);
}
}
public static void setRibbonProperty(String serviceId, String suffix, String value) {
// how to set the namespace properly?
String key = getRibbonKey(serviceId, suffix);

9
spring-cloud-netflix-ribbon/src/main/java/org/springframework/cloud/netflix/ribbon/apache/HttpClientRibbonConfiguration.java
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@@ -20,13 +20,14 @@ package org.springframework.cloud.netflix.ribbon.apache;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.TimeUnit;
import javax.annotation.PreDestroy;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.HttpClientConnectionManager;
import org.apache.http.impl.client.CloseableHttpClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
@@ -35,9 +36,11 @@ import org.springframework.cloud.client.loadbalancer.LoadBalancedBackOffPolicyFa
import org.springframework.cloud.client.loadbalancer.LoadBalancedRetryPolicyFactory;
import org.springframework.cloud.commons.httpclient.ApacheHttpClientConnectionManagerFactory;
import org.springframework.cloud.commons.httpclient.ApacheHttpClientFactory;
import org.springframework.cloud.netflix.ribbon.RibbonClientName;
import org.springframework.cloud.netflix.ribbon.ServerIntrospector;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.cloud.netflix.ribbon.ServerIntrospector;
import com.netflix.client.AbstractLoadBalancerAwareClient;
import com.netflix.client.RetryHandler;
import com.netflix.client.config.CommonClientConfigKey;
@@ -53,7 +56,7 @@ import com.netflix.servo.monitor.Monitors;
@ConditionalOnClass(name = "org.apache.http.client.HttpClient")
@ConditionalOnProperty(name = "ribbon.httpclient.enabled", matchIfMissing = true)
public class HttpClientRibbonConfiguration {
@Value("${ribbon.client.name}")
@RibbonClientName
private String name = "client";
@Configuration

13
spring-cloud-netflix-ribbon/src/main/java/org/springframework/cloud/netflix/ribbon/okhttp/OkHttpRibbonConfiguration.java
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@@ -17,12 +17,10 @@
package org.springframework.cloud.netflix.ribbon.okhttp;
import okhttp3.ConnectionPool;
import okhttp3.OkHttpClient;
import java.util.concurrent.TimeUnit;
import javax.annotation.PreDestroy;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
@@ -31,9 +29,11 @@ import org.springframework.cloud.client.loadbalancer.LoadBalancedBackOffPolicyFa
import org.springframework.cloud.client.loadbalancer.LoadBalancedRetryPolicyFactory;
import org.springframework.cloud.commons.httpclient.OkHttpClientConnectionPoolFactory;
import org.springframework.cloud.commons.httpclient.OkHttpClientFactory;
import org.springframework.cloud.netflix.ribbon.RibbonClientName;
import org.springframework.cloud.netflix.ribbon.ServerIntrospector;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.netflix.client.AbstractLoadBalancerAwareClient;
import com.netflix.client.RetryHandler;
import com.netflix.client.config.CommonClientConfigKey;
@@ -42,6 +42,9 @@ import com.netflix.client.config.IClientConfig;
import com.netflix.loadbalancer.ILoadBalancer;
import com.netflix.servo.monitor.Monitors;
import okhttp3.ConnectionPool;
import okhttp3.OkHttpClient;
/**
* @author Spencer Gibb
*/
@@ -49,7 +52,7 @@ import com.netflix.servo.monitor.Monitors;
@ConditionalOnProperty("ribbon.okhttp.enabled")
@ConditionalOnClass(name = "okhttp3.OkHttpClient")
public class OkHttpRibbonConfiguration {
@Value("${ribbon.client.name}")
@RibbonClientName
private String name = "client";
@Configuration