cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/config/DmiWebClientConfiguration.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2024 Nordix Foundation.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.cps.ncmp.api.impl.config;
  22
  23 import io.netty.channel.ChannelOption;
  24 import io.netty.handler.timeout.ReadTimeoutHandler;
  25 import io.netty.handler.timeout.WriteTimeoutHandler;
  26 import java.util.concurrent.TimeUnit;
  27 import lombok.Getter;
  28 import lombok.RequiredArgsConstructor;
  29 import org.springframework.beans.factory.annotation.Value;
  30 import org.springframework.context.annotation.Bean;
  31 import org.springframework.context.annotation.Configuration;
  32 import org.springframework.http.HttpHeaders;
  33 import org.springframework.http.MediaType;
  34 import org.springframework.http.client.reactive.ReactorClientHttpConnector;
  35 import org.springframework.stereotype.Component;
  36 import org.springframework.web.reactive.function.client.WebClient;
  37 import reactor.netty.http.client.HttpClient;
  38 import reactor.netty.resources.ConnectionProvider;
  39
  40 @Configuration
  41 @RequiredArgsConstructor
  42 public class DmiWebClientConfiguration {
  43
  44     @Value("${ncmp.dmi.httpclient.connectionTimeoutInSeconds:20000}")
  45     private Integer connectionTimeoutInSeconds;
  46
  47     @Value("${ncmp.dmi.httpclient.maximumInMemorySizeInMegabytes:1}")
  48     private Integer maximumInMemorySizeInMegabytes;
  49
  50     @Value("${ncmp.dmi.httpclient.maximumConnectionsTotal:100}")
  51     private Integer maximumConnectionsTotal;
  52
  53     @Getter
  54     @Component
  55     public static class DmiProperties {
  56         @Value("${ncmp.dmi.auth.username}")
  57         private String authUsername;
  58         @Value("${ncmp.dmi.auth.password}")
  59         private String authPassword;
  60         @Value("${ncmp.dmi.api.base-path}")
  61         private String dmiBasePath;
  62         @Value("${ncmp.dmi.auth.enabled}")
  63         private boolean dmiBasicAuthEnabled;
  64     }
  65
  66     /**
  67      * Configures and create a WebClient bean.
  68      *
  69      * @return a WebClient instance.
  70      */
  71     @Bean
  72     public WebClient webClient() {
  73
  74         final ConnectionProvider dmiWebClientConnectionProvider
  75                 = ConnectionProvider.create("dmiWebClientConnectionPool", maximumConnectionsTotal);
  76
  77         final HttpClient httpClient = HttpClient.create(dmiWebClientConnectionProvider)
  78                 .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectionTimeoutInSeconds * 1000)
  79                 .doOnConnected(connection ->
  80                         connection
  81                                 .addHandlerLast(new ReadTimeoutHandler(connectionTimeoutInSeconds, TimeUnit.SECONDS))
  82                                 .addHandlerLast(new WriteTimeoutHandler(connectionTimeoutInSeconds, TimeUnit.SECONDS)));
  83
  84         return WebClient.builder()
  85                 .defaultHeaders(header -> header.set(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE))
  86                 .defaultHeaders(header -> header.set(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON_VALUE))
  87                 .clientConnector(new ReactorClientHttpConnector(httpClient))
  88                 .codecs(configurer -> configurer
  89                         .defaultCodecs()
  90                         .maxInMemorySize(maximumInMemorySizeInMegabytes * 1024 * 1024))
  91                 .build();
  92     }
  93 }