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Posted to commits@camel.apache.org by ac...@apache.org on 2018/03/22 09:39:39 UTC

[camel] 01/02: CAMEL-12392 - Camel-Elasticsearch-rest: Add a component verifier extension

This is an automated email from the ASF dual-hosted git repository.

acosentino pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/camel.git

commit 649f83abf2d0f37d93fc311658872f73777c4a2c
Author: Andrea Cosentino <an...@gmail.com>
AuthorDate: Thu Mar 22 10:35:03 2018 +0100

    CAMEL-12392 - Camel-Elasticsearch-rest: Add a component verifier extension
---
 .../elasticsearch/ElasticsearchComponent.java      |  3 +-
 ...lasticsearchRestComponentVerifierExtension.java | 81 ++++++++++++++++++++++
 ...icsearchRestComponentVerifierExtensionTest.java | 66 ++++++++++++++++++
 3 files changed, 149 insertions(+), 1 deletion(-)

diff --git a/components/camel-elasticsearch-rest/src/main/java/org/apache/camel/component/elasticsearch/ElasticsearchComponent.java b/components/camel-elasticsearch-rest/src/main/java/org/apache/camel/component/elasticsearch/ElasticsearchComponent.java
index b36d8a6..3bd3282 100644
--- a/components/camel-elasticsearch-rest/src/main/java/org/apache/camel/component/elasticsearch/ElasticsearchComponent.java
+++ b/components/camel-elasticsearch-rest/src/main/java/org/apache/camel/component/elasticsearch/ElasticsearchComponent.java
@@ -59,11 +59,12 @@ public class ElasticsearchComponent extends DefaultComponent {
     private int sniffAfterFailureDelay = ElasticsearchConstants.DEFAULT_AFTER_FAILURE_DELAY;
 
     public ElasticsearchComponent() {
-        super();
+        this(null);
     }
 
     public ElasticsearchComponent(CamelContext context) {
         super(context);
+        registerExtension(new ElasticsearchRestComponentVerifierExtension());
     }
 
     protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
diff --git a/components/camel-elasticsearch-rest/src/main/java/org/apache/camel/component/elasticsearch/ElasticsearchRestComponentVerifierExtension.java b/components/camel-elasticsearch-rest/src/main/java/org/apache/camel/component/elasticsearch/ElasticsearchRestComponentVerifierExtension.java
new file mode 100644
index 0000000..3609185
--- /dev/null
+++ b/components/camel-elasticsearch-rest/src/main/java/org/apache/camel/component/elasticsearch/ElasticsearchRestComponentVerifierExtension.java
@@ -0,0 +1,81 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.camel.component.elasticsearch;
+
+import java.io.IOException;
+import java.util.Map;
+
+import org.apache.camel.component.extension.verifier.DefaultComponentVerifierExtension;
+import org.apache.camel.component.extension.verifier.ResultBuilder;
+import org.apache.camel.component.extension.verifier.ResultErrorBuilder;
+import org.apache.camel.component.extension.verifier.ResultErrorHelper;
+import org.apache.http.HttpHost;
+import org.elasticsearch.client.RestClient;
+import org.elasticsearch.client.RestClientBuilder;
+import org.elasticsearch.client.RestHighLevelClient;
+
+public class ElasticsearchRestComponentVerifierExtension extends DefaultComponentVerifierExtension {
+
+    public ElasticsearchRestComponentVerifierExtension() {
+        this("elasticsearch-rest");
+    }
+
+    public ElasticsearchRestComponentVerifierExtension(String scheme) {
+        super(scheme);
+    }
+
+    // *********************************
+    // Parameters validation
+    // *********************************
+
+    @Override
+    protected Result verifyParameters(Map<String, Object> parameters) {
+
+        ResultBuilder builder = ResultBuilder.withStatusAndScope(Result.Status.OK, Scope.PARAMETERS).error(ResultErrorHelper.requiresOption("clusterName", parameters))
+        		.error(ResultErrorHelper.requiresOption("hostAddresses", parameters));
+        // Validate using the catalog
+
+        super.verifyParametersAgainstCatalog(builder, parameters);
+
+        return builder.build();
+    }
+
+    // *********************************
+    // Connectivity validation
+    // *********************************
+
+    @Override
+    protected Result verifyConnectivity(Map<String, Object> parameters) {
+        ResultBuilder builder = ResultBuilder.withStatusAndScope(Result.Status.OK, Scope.CONNECTIVITY);
+
+        try {
+        	ElasticsearchConfiguration configuration = setProperties(new ElasticsearchConfiguration(), parameters);
+            RestClientBuilder clientBuilder = RestClient.builder(configuration.getHostAddressesList().toArray(new HttpHost[0]));
+            RestHighLevelClient restHighLevelClient = new RestHighLevelClient(clientBuilder);
+            restHighLevelClient.ping();
+        } catch (IOException e) {
+            ResultErrorBuilder errorBuilder = ResultErrorBuilder.withCodeAndDescription(VerificationError.StandardCode.AUTHENTICATION, e.getMessage())
+                .detail("elasticsearch_rest_exception_message", e.getMessage()).detail(VerificationError.ExceptionAttribute.EXCEPTION_CLASS, e.getClass().getName())
+                .detail(VerificationError.ExceptionAttribute.EXCEPTION_INSTANCE, e);
+
+            builder.error(errorBuilder.build());
+        } catch (Exception e) {
+            builder.error(ResultErrorBuilder.withException(e).build());
+        }
+        return builder.build();
+    }
+}
diff --git a/components/camel-elasticsearch-rest/src/test/java/org/apache/camel/component/elasticsearch/ElasticsearchRestComponentVerifierExtensionTest.java b/components/camel-elasticsearch-rest/src/test/java/org/apache/camel/component/elasticsearch/ElasticsearchRestComponentVerifierExtensionTest.java
new file mode 100644
index 0000000..91bbde4
--- /dev/null
+++ b/components/camel-elasticsearch-rest/src/test/java/org/apache/camel/component/elasticsearch/ElasticsearchRestComponentVerifierExtensionTest.java
@@ -0,0 +1,66 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.camel.component.elasticsearch;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.camel.Component;
+import org.apache.camel.component.extension.ComponentVerifierExtension;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ElasticsearchRestComponentVerifierExtensionTest extends CamelTestSupport {
+
+    // *************************************************
+    // Tests (parameters)
+    // *************************************************
+    @Override
+    public boolean isUseRouteBuilder() {
+        return false;
+    }
+
+    @Test
+    public void testParameters() throws Exception {
+        Component component = context().getComponent("elasticsearch-rest");
+
+        ComponentVerifierExtension verifier = component.getExtension(ComponentVerifierExtension.class).orElseThrow(IllegalStateException::new);
+
+        Map<String, Object> parameters = new HashMap<>();
+        parameters.put("hostAddresses", "http://localhost:9000");
+        parameters.put("clusterName", "es-test");
+
+        ComponentVerifierExtension.Result result = verifier.verify(ComponentVerifierExtension.Scope.PARAMETERS, parameters);
+
+        Assert.assertEquals(ComponentVerifierExtension.Result.Status.OK, result.getStatus());
+    }
+
+    @Test
+    public void testConnectivity() throws Exception {
+        Component component = context().getComponent("elasticsearch-rest");
+        ComponentVerifierExtension verifier = component.getExtension(ComponentVerifierExtension.class).orElseThrow(IllegalStateException::new);
+
+        Map<String, Object> parameters = new HashMap<>();
+        parameters.put("hostAddresses", "http://localhost:9000");
+
+        ComponentVerifierExtension.Result result = verifier.verify(ComponentVerifierExtension.Scope.CONNECTIVITY, parameters);
+
+        Assert.assertEquals(ComponentVerifierExtension.Result.Status.ERROR, result.getStatus());
+    }
+
+}

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