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The usage of ConsulAutoConfiguration in spring cloud

2025-03-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >

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This article focuses on "the use of ConsulAutoConfiguration in spring cloud". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn "the use of ConsulAutoConfiguration in spring cloud".

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This paper mainly studies the ConsulAutoConfiguration of spring cloud.

ConsulAutoConfiguration

SpringMurphy cloudhouse consortium Murray 2.1.2.RELEASEMohamsources.jarwithorgAccording to springframeworkAccording to consulatory ConsulAutoConfiguration.java

@ Configuration@EnableConfigurationProperties@ConditionalOnConsulEnabledpublic class ConsulAutoConfiguration {@ Bean @ ConditionalOnMissingBean public ConsulProperties consulProperties () {return new ConsulProperties ();} @ Bean @ ConditionalOnMissingBean public ConsulClient consulClient (ConsulProperties consulProperties) {final int agentPort = consulProperties.getPort (); final String agentHost =! StringUtils.isEmpty (consulProperties.getScheme ())? ConsulProperties.getScheme () + ": / /" + consulProperties.getHost (): consulProperties.getHost (); if (consulProperties.getTls ()! = null) {ConsulProperties.TLSConfig tls = consulProperties.getTls () TLSConfig tlsConfig = new TLSConfig (tls.getKeyStoreInstanceType (), tls.getCertificatePath (), tls.getCertificatePassword (), tls.getKeyStorePath (), tls.getKeyStorePassword ()); return new ConsulClient (agentHost, agentPort, tlsConfig) } return new ConsulClient (agentHost, agentPort);} @ Configuration @ ConditionalOnClass (Endpoint.class) protected static class ConsulHealthConfig {@ Bean @ ConditionalOnMissingBean @ ConditionalOnEnabledEndpoint public ConsulEndpoint consulEndpoint (ConsulClient consulClient) {return new ConsulEndpoint (consulClient) } @ Bean @ ConditionalOnMissingBean @ ConditionalOnEnabledHealthIndicator ("consul") public ConsulHealthIndicator consulHealthIndicator (ConsulClient consulClient) {return new ConsulHealthIndicator (consulClient) } @ ConditionalOnClass ({Retryable.class, Aspect.class) AopAutoConfiguration.class}) @ Configuration @ EnableRetry (proxyTargetClass = true) @ Import (AopAutoConfiguration.class) @ EnableConfigurationProperties (RetryProperties.class) protected static class RetryConfiguration {@ Bean (name = "consulRetryInterceptor") @ ConditionalOnMissingBean (name = "consulRetryInterceptor") public RetryOperationsInterceptor consulRetryInterceptor (RetryProperties properties) { Return RetryInterceptorBuilder.stateless () .backOffOptions (properties.getInitialInterval () Properties.getMultiplier (), properties.getMaxInterval () .maxAttempts (properties.getMaxAttempts ()) .build () }}}

ConsulAutoConfiguration registered ConsulClient, ConsulEndpoint, ConsulHealthIndicator

ConsulEndpoint

Springhouse cloudhouse consortium house 2.1.2.RELEASUSue sources.jarUniverse orgAccording frame workbank cloudlap consulatory ConsulEndpoint.java

@ Endpoint (id = "consul") public class ConsulEndpoint {private ConsulClient consul; public ConsulEndpoint (ConsulClient consul) {this.consul = consul;} @ ReadOperation public ConsulData invoke () {ConsulData data = new ConsulData (); / / data.setKeyValues (kvClient.getKeyValueRecurse ()); Response agentServices = this.consul.getAgentServices () Data.setAgentServices (agentServices.getValue ()); Response catalogServices = this.consul .getCatalogServices (QueryParams.DEFAULT); for (String serviceId: catalogServices.getValue (). KeySet ()) {Response response = this.consul .getCatalogService (serviceId, QueryParams.DEFAULT) Data.getCatalogServices () .put (serviceId, response.getValue ());} Response catalogNodes = this.consul .getCatalogNodes (QueryParams.DEFAULT); data.setCatalogNodes (catalogNodes.getValue ()); return data } / * Represents Consul data related to catalog entries and agent servies. * / public static class ConsulData {Map catalogServices = new LinkedHashMap (); Map agentServices; List catalogNodes; public ConsulData () {} public Map getCatalogServices () {return this.catalogServices } public void setCatalogServices (Map catalogServices) {this.catalogServices = catalogServices;} public Map getAgentServices () {return this.agentServices } public void setAgentServices (Map agentServices) {this.agentServices = agentServices;} public List getCatalogNodes () {return this.catalogNodes;} public void setCatalogNodes (List catalogNodes) {this.catalogNodes = catalogNodes } @ Override public String toString () {return new ToStringCreator (this) .append ("catalogServices", this.catalogServices) .append ("agentServices") This.agentServices) .append ("catalogNodes", this.catalogNodes) .toString () }}}

ConsulEndpoint has a ReadOperation, which returns ConsulData, including agentServices, agentServices, and catalogNodes.

ConsulHealthIndicator

SpringMurphy cloudhouse consortium house 2.1.2.RELEASEMohamsources.jarwithorgAccording to springframeworkUniverse cloudlink consulthIndicator.java

Public class ConsulHealthIndicator extends AbstractHealthIndicator {private ConsulClient consul; public ConsulHealthIndicator (ConsulClient consul) {this.consul = consul;} @ Override protected void doHealthCheck (Health.Builder builder) throws Exception {final Response leaderStatus = this.consul.getStatusLeader (); final Response services = this.consul .getCatalogServices (QueryParams.DEFAULT) Builder.up () .withDetail ("leader", leaderStatus.getValue ()) .withdetail ("services", services.getValue ());}}

ConsulHealthIndicator inherits AbstractHealthIndicator, and its doHealthCheck will call ConsulClient.getStatusLeader to get leaderStatus and ConsulClient.getCatalogServices to get catalogServices information.

Summary

ConsulAutoConfiguration registered ConsulClient, ConsulEndpoint, ConsulHealthIndicator

ConsulEndpoint has a ReadOperation, which returns ConsulData, including agentServices, agentServices, and catalogNodes.

ConsulHealthIndicator inherits AbstractHealthIndicator, and its doHealthCheck will call ConsulClient.getStatusLeader to get leaderStatus and ConsulClient.getCatalogServices to get catalogServices information.

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