Switch Elasticsearch extensions to @ConfigMapping

Author: yrodiere

extensions/elasticsearch-rest-client/runtime/src/main/java/io/quarkus/elasticsearch/restclient/lowlevel/runtime/ElasticsearchConfig.java

@@ -6,61 +6,61 @@
 import java.util.Optional;
 
 import io.quarkus.runtime.annotations.ConfigGroup;
-import io.quarkus.runtime.annotations.ConfigItem;
 import io.quarkus.runtime.annotations.ConfigPhase;
 import io.quarkus.runtime.annotations.ConfigRoot;
+import io.smallrye.config.ConfigMapping;
+import io.smallrye.config.WithDefault;
 
+@ConfigMapping(prefix = "quarkus.elasticsearch")
 @ConfigRoot(phase = ConfigPhase.RUN_TIME)
-public class ElasticsearchConfig {
+public interface ElasticsearchConfig {
 
     /**
      * The list of hosts of the Elasticsearch servers.
      */
-    @ConfigItem(defaultValue = "localhost:9200")
-    public List<InetSocketAddress> hosts;
+    @WithDefault("localhost:9200")
+    List<InetSocketAddress> hosts();
 
     /**
      * The protocol to use when contacting Elasticsearch servers.
      * Set to "https" to enable SSL/TLS.
      */
-    @ConfigItem(defaultValue = "http")
-    public String protocol;
+    @WithDefault("http")
+    String protocol();
 
     /**
      * The username for basic HTTP authentication.
      */
-    @ConfigItem
-    public Optional<String> username;
+    Optional<String> username();
 
     /**
      * The password for basic HTTP authentication.
      */
-    @ConfigItem
-    public Optional<String> password;
+    Optional<String> password();
 
     /**
      * The connection timeout.
      */
-    @ConfigItem(defaultValue = "1S")
-    public Duration connectionTimeout;
+    @WithDefault("1S")
+    Duration connectionTimeout();
 
     /**
      * The socket timeout.
      */
-    @ConfigItem(defaultValue = "30S")
-    public Duration socketTimeout;
+    @WithDefault("30S")
+    Duration socketTimeout();
 
     /**
      * The maximum number of connections to all the Elasticsearch servers.
      */
-    @ConfigItem(defaultValue = "20")
-    public int maxConnections;
+    @WithDefault("20")
+    int maxConnections();
 
     /**
      * The maximum number of connections per Elasticsearch server.
      */
-    @ConfigItem(defaultValue = "10")
-    public int maxConnectionsPerRoute;
+    @WithDefault("10")
+    int maxConnectionsPerRoute();
 
     /**
      * The number of IO thread.
@@ -72,28 +72,26 @@ public class ElasticsearchConfig {
      * @see <a href="https://www.elastic.co/guide/en/elasticsearch/client/java-api-client/current/_number_of_threads.html">
      *      number of threads</a>
      */
-    @ConfigItem
-    public Optional<Integer> ioThreadCounts;
+    Optional<Integer> ioThreadCounts();
 
     /**
      * Configuration for the automatic discovery of new Elasticsearch nodes.
      */
-    @ConfigItem
-    public DiscoveryConfig discovery;
+    DiscoveryConfig discovery();
 
     @ConfigGroup
-    public static class DiscoveryConfig {
+    interface DiscoveryConfig {
 
         /**
          * Defines if automatic discovery is enabled.
          */
-        @ConfigItem(defaultValue = "false")
-        public boolean enabled;
+        @WithDefault("false")
+        boolean enabled();
 
         /**
          * Refresh interval of the node list.
          */
-        @ConfigItem(defaultValue = "5M")
-        public Duration refreshInterval;
+        @WithDefault("5M")
+        Duration refreshInterval();
     }
 }

extensions/elasticsearch-rest-client/runtime/src/main/java/io/quarkus/elasticsearch/restclient/lowlevel/runtime/ElasticsearchRestClientProducer.java

@@ -29,7 +29,7 @@ public RestClient restClient() {
         RestClientBuilder builder = RestClientBuilderHelper.createRestClientBuilder(config);
 
         this.client = builder.build();
-        if (config.discovery.enabled) {
+        if (config.discovery().enabled()) {
             this.sniffer = RestClientBuilderHelper.createSniffer(client, config);
         }
 

extensions/elasticsearch-rest-client/runtime/src/main/java/io/quarkus/elasticsearch/restclient/lowlevel/runtime/RestClientBuilderHelper.java

@@ -34,9 +34,9 @@ private RestClientBuilderHelper() {
     }
 
     public static RestClientBuilder createRestClientBuilder(ElasticsearchConfig config) {
-        List<HttpHost> hosts = new ArrayList<>(config.hosts.size());
-        for (InetSocketAddress host : config.hosts) {
-            hosts.add(new HttpHost(host.getHostString(), host.getPort(), config.protocol));
+        List<HttpHost> hosts = new ArrayList<>(config.hosts().size());
+        for (InetSocketAddress host : config.hosts()) {
+            hosts.add(new HttpHost(host.getHostString(), host.getPort(), config.protocol()));
         }
 
         RestClientBuilder builder = RestClient.builder(hosts.toArray(new HttpHost[0]));
@@ -45,37 +45,37 @@ public static RestClientBuilder createRestClientBuilder(ElasticsearchConfig conf
             @Override
             public RequestConfig.Builder customizeRequestConfig(RequestConfig.Builder requestConfigBuilder) {
                 return requestConfigBuilder
-                        .setConnectTimeout((int) config.connectionTimeout.toMillis())
-                        .setSocketTimeout((int) config.socketTimeout.toMillis())
+                        .setConnectTimeout((int) config.connectionTimeout().toMillis())
+                        .setSocketTimeout((int) config.socketTimeout().toMillis())
                         .setConnectionRequestTimeout(0); // Avoid requests being flagged as timed out even when they didn't time out.
             }
         });
 
         builder.setHttpClientConfigCallback(new RestClientBuilder.HttpClientConfigCallback() {
             @Override
             public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpClientBuilder) {
-                if (config.username.isPresent()) {
-                    if (!"https".equalsIgnoreCase(config.protocol)) {
+                if (config.username().isPresent()) {
+                    if (!"https".equalsIgnoreCase(config.protocol())) {
                         LOG.warn("Using Basic authentication in HTTP implies sending plain text passwords over the wire, " +
                                 "use the HTTPS protocol instead.");
                     }
                     CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
                     credentialsProvider.setCredentials(AuthScope.ANY,
-                            new UsernamePasswordCredentials(config.username.get(), config.password.orElse(null)));
+                            new UsernamePasswordCredentials(config.username().get(), config.password().orElse(null)));
                     httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
                 }
 
-                if (config.ioThreadCounts.isPresent()) {
+                if (config.ioThreadCounts().isPresent()) {
                     IOReactorConfig ioReactorConfig = IOReactorConfig.custom()
-                            .setIoThreadCount(config.ioThreadCounts.get())
+                            .setIoThreadCount(config.ioThreadCounts().get())
                             .build();
                     httpClientBuilder.setDefaultIOReactorConfig(ioReactorConfig);
                 }
 
-                httpClientBuilder.setMaxConnTotal(config.maxConnections);
-                httpClientBuilder.setMaxConnPerRoute(config.maxConnectionsPerRoute);
+                httpClientBuilder.setMaxConnTotal(config.maxConnections());
+                httpClientBuilder.setMaxConnPerRoute(config.maxConnectionsPerRoute());
 
-                if ("http".equalsIgnoreCase(config.protocol)) {
+                if ("http".equalsIgnoreCase(config.protocol())) {
                     // In this case disable the SSL capability as it might have an impact on
                     // bootstrap time, for example consuming entropy for no reason
                     httpClientBuilder.setSSLStrategy(NoopIOSessionStrategy.INSTANCE);
@@ -99,10 +99,10 @@ public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpCli
 
     public static Sniffer createSniffer(RestClient client, ElasticsearchConfig config) {
         SnifferBuilder builder = Sniffer.builder(client)
-                .setSniffIntervalMillis((int) config.discovery.refreshInterval.toMillis());
+                .setSniffIntervalMillis((int) config.discovery().refreshInterval().toMillis());
 
         // https discovery support
-        if ("https".equalsIgnoreCase(config.protocol)) {
+        if ("https".equalsIgnoreCase(config.protocol())) {
             NodesSniffer hostsSniffer = new ElasticsearchNodesSniffer(
                     client,
                     ElasticsearchNodesSniffer.DEFAULT_SNIFF_REQUEST_TIMEOUT, // 1sec