de.codecentric.boot.admin.config.SpringBootAdminClientAutoConfiguration.java Source code

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Here is the source code for de.codecentric.boot.admin.config.SpringBootAdminClientAutoConfiguration.java

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/*
 * Copyright 2014 the original author or authors.
 *
 * 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 de.codecentric.boot.admin.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;

import de.codecentric.boot.admin.services.ApplicationRegistrator;
import de.codecentric.boot.admin.services.RegistrationApplicationListener;

@Configuration
@EnableConfigurationProperties({ AdminProperties.class, AdminClientProperties.class })
@Conditional(SpringBootAdminClientEnabledCondition.class)
public class SpringBootAdminClientAutoConfiguration {

    @Autowired
    private AdminClientProperties client;

    @Autowired
    private AdminProperties admin;

    @Autowired
    private RestTemplateBuilder restTemplBuilder;

    /**
     * Task that registers the application at the spring-boot-admin application.
     */
    @Bean
    @ConditionalOnMissingBean
    public ApplicationRegistrator registrator() {
        RestTemplateBuilder builder = restTemplBuilder.messageConverters(new MappingJackson2HttpMessageConverter())
                .requestFactory(SimpleClientHttpRequestFactory.class);
        if (admin.getUsername() != null) {
            builder = builder.basicAuthorization(admin.getUsername(), admin.getPassword());
        }
        return new ApplicationRegistrator(builder.build(), admin, client);
    }

    @Bean
    @Qualifier("registrationTaskScheduler")
    public TaskScheduler registrationTaskScheduler() {
        ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
        taskScheduler.setPoolSize(1);
        taskScheduler.setRemoveOnCancelPolicy(true);
        taskScheduler.setThreadNamePrefix("registrationTask");
        return taskScheduler;
    }

    /**
     * ApplicationListener triggering registration after being ready/shutdown
     */
    @Bean
    @ConditionalOnMissingBean
    public RegistrationApplicationListener registrationListener() {
        RegistrationApplicationListener listener = new RegistrationApplicationListener(registrator(),
                registrationTaskScheduler());
        listener.setAutoRegister(admin.isAutoRegistration());
        listener.setAutoDeregister(admin.isAutoDeregistration());
        listener.setRegisterPeriod(admin.getPeriod());
        return listener;
    }
}