[GitHub] [unomi] sergehuber commented on a change in pull request #274: UNOMI-435 Migrate existing events scope to source

[GitBox <gi...@apache.org>]

sergehuber commented on a change in pull request #274:
URL: https://github.com/apache/unomi/pull/274#discussion_r605470522



##########
File path: tools/shell-commands/src/main/java/org/apache/unomi/shell/migration/impl/MigrationTo200.java
##########
@@ -0,0 +1,149 @@
+/*
+ * 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.unomi.shell.migration.impl;
+
+import org.apache.http.HttpStatus;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpPut;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.util.EntityUtils;
+import org.apache.karaf.shell.api.console.Session;
+import org.apache.unomi.shell.migration.Migration;
+import org.json.JSONObject;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.Version;
+import org.osgi.service.component.annotations.Component;
+
+import java.io.IOException;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@Component
+public class MigrationTo200 implements Migration {
+
+    private CloseableHttpClient httpClient;
+    private Session session;
+    private String esAddress;
+
+    @Override
+    public Version getFromVersion() {
+        return new Version("1.5.0");
+    }
+
+    @Override
+    public Version getToVersion() {
+        return new Version("2.0.0");
+    }
+
+    @Override
+    public String getDescription() {
+        return "Updates mapping for an index with prefix \"context-event\". Adds the \"sourceId\" field and copies value from the \"scope\" field to it.";
+    }
+
+    @Override
+    public void execute(Session session, CloseableHttpClient httpClient, String esAddress, BundleContext bundleContext) throws IOException {
+        this.httpClient = httpClient;
+        this.session = session;
+        this.esAddress = esAddress;
+
+        doExecute();
+    }
+
+    private void doExecute() throws IOException {
+        try (CloseableHttpResponse response = httpClient.execute(new HttpGet(esAddress + "/_aliases"))) {
+
+            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
+                JSONObject indicesAsJson = new JSONObject(EntityUtils.toString(response.getEntity()));
+
+                final Set<String> indices = indicesAsJson.keySet().stream().
+                        filter(alias -> alias.startsWith("context-event")).
+                        collect(Collectors.toSet());
+
+                for (String indexName : indices) {
+                    updateMapping(indexName, httpClient);
+                }
+            }
+        }
+    }
+
+    private void updateMapping(final String indexName, final CloseableHttpClient httpClient) throws IOException {
+        HttpPut httpPut = new HttpPut(esAddress + "/" + indexName + "/_mapping");
+
+        httpPut.addHeader("Accept", "application/json");
+        httpPut.addHeader("Content-Type", "application/json");
+
+        String request = "{\n" +
+                "\"properties\": {\n" +
+                " \"sourceId\": {\n" +

Review comment:
       Seems like the analyzer is missing here.




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