[GitHub] [incubator-inlong] luchunliang commented on a change in pull request #2692: [INLONG-2650][Feature][Sort] Define sort stand-alone CLS context and config bean

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

luchunliang commented on a change in pull request #2692:
URL: https://github.com/apache/incubator-inlong/pull/2692#discussion_r814437345



##########
File path: inlong-sort-standalone/sort-standalone-source/src/main/java/org/apache/inlong/sort/standalone/sink/cls/ClsSinkContext.java
##########
@@ -0,0 +1,181 @@
+/**
+ * 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.inlong.sort.standalone.sink.cls;
+
+import com.alibaba.fastjson.JSON;
+import com.tencentcloudapi.cls.producer.AsyncProducerClient;
+import com.tencentcloudapi.cls.producer.AsyncProducerConfig;
+import com.tencentcloudapi.cls.producer.errors.ProducerException;
+import com.tencentcloudapi.cls.producer.util.NetworkUtils;
+import org.apache.flume.Channel;
+import org.apache.flume.Context;
+import org.apache.inlong.sort.standalone.config.holder.SortClusterConfigHolder;
+import org.apache.inlong.sort.standalone.config.pojo.InlongId;
+import org.apache.inlong.sort.standalone.config.pojo.SortTaskConfig;
+import org.apache.inlong.sort.standalone.sink.SinkContext;
+import org.apache.inlong.sort.standalone.utils.Constants;
+import org.apache.inlong.sort.standalone.utils.InlongLoggerFactory;
+import org.slf4j.Logger;
+
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ * Cls sink context.
+ */
+public class ClsSinkContext extends SinkContext {
+
+    private static final Logger LOG = InlongLoggerFactory.getLogger(ClsSinkContext.class);
+    // key of sink params
+    private static final String KEY_TOTAL_SIZE_IN_BYTES = "totalSizeInBytes";
+    private static final String KEY_MAX_SEND_THREAD_COUNT = "maxSendThreadCount";
+    private static final String KEY_MAX_BLOCK_SEC = "maxBlockSec";
+    private static final String KEY_MAX_BATCH_SIZE = "maxBatchSize";
+    private static final String KEY_MAX_BATCH_COUNT = "maxBatchCount";
+    private static final String KEY_LINGER_MS = "lingerMs";
+    private static final String KEY_RETRIES = "retries";
+    private static final String KEY_MAX_RESERVED_ATTEMPTS = "maxReservedAttempts";
+    private static final String KEY_BASE_RETRY_BACKOFF_MS = "baseRetryBackoffMs";
+    private static final String KEY_MAX_RETRY_BACKOFF_MS = "maxRetryBackoffMs";
+
+    private final Map<String, AsyncProducerClient> clientMap;
+    private List<AsyncProducerClient> deletingClients;
+    private Context sinkContext;
+    private Map<String, ClsIdConfig> idConfigMap = new ConcurrentHashMap<>();
+    private AtomicLong offerCounter = new AtomicLong(0);
+    private AtomicLong takeCounter = new AtomicLong(0);
+    private AtomicLong backCounter = new AtomicLong(0);
+    private IEvent2LogItemHandler iEvent2LogItemHandler;
+
+    // default sink params
+
+    /**
+     * Constructor
+     *
+     * @param sinkName Name of sink.
+     * @param context Basic context.
+     * @param channel Channel which worker acquire profile event from.
+     */
+    public ClsSinkContext(String sinkName, Context context, Channel channel) {
+        super(sinkName, context, channel);
+        this.clientMap = new ConcurrentHashMap<>();
+    }
+
+    @Override
+    public void reload() {
+        // remove deleting clients.
+        deletingClients.forEach(client -> {
+            try {
+                client.close();
+            } catch (InterruptedException e) {
+                LOG.error("close client failed, got InterruptedException" + e.getMessage(), e);
+            } catch (ProducerException e) {
+                LOG.error("close client failed, got ProducerException" + e.getMessage(), e);
+            }
+        });
+
+        SortTaskConfig newSortTaskConfig = SortClusterConfigHolder.getTaskConfig(taskName);
+        if (this.sortTaskConfig != null && this.sortTaskConfig.equals(newSortTaskConfig)) {
+            return;
+        }
+        LOG.info("get new SortTaskConfig:taskName:{}:config:{}", taskName,
+                JSON.toJSONString(newSortTaskConfig));
+        this.sortTaskConfig = newSortTaskConfig;
+        this.sinkContext = new Context(this.sortTaskConfig.getSinkParams());
+        this.reloadIdParams();
+        this.reloadClients();
+        // todo get IEvent2LogItemHandler
+    }
+
+    /**
+     * Reload id params.
+     */
+    private void reloadIdParams() {
+        List<Map<String, String>> idList = this.sortTaskConfig.getIdParams();
+        Map<String, ClsIdConfig> newIdConfigMap = new ConcurrentHashMap<>();
+        for (Map<String, String> idParam : idList) {
+            String inlongGroupId = idParam.get(Constants.INLONG_GROUP_ID);
+            String inlongStreamId = idParam.get(Constants.INLONG_STREAM_ID);
+            String uid = InlongId.generateUid(inlongGroupId, inlongStreamId);
+            String jsonIdConfig = JSON.toJSONString(idParam);
+            ClsIdConfig idConfig = JSON.parseObject(jsonIdConfig, ClsIdConfig.class);
+            newIdConfigMap.put(uid, idConfig);
+        }
+        this.idConfigMap = newIdConfigMap;
+    }
+
+    /**
+     * Close expire clients and start new clients.
+     * <p>Each client response for data of one uid.</p>
+     * <p>First, find all UIDs that are in the active clientMap but not in the updated id config (or to say EXPIRE UID),
+     * and put those clients into deletingClientsMap.
+     * The real close process will be done at the beginning of next period of reloading.
+     * Second, find all UIDs that in the updated id config but not in the active clientMap(or to say NEW UID),
+     * and start new clients for these UIDs and put them into the active clientMap.</p>
+     */
+    private void reloadClients() {
+        clientMap.keySet()
+                .stream()
+                .filter(uid -> !idConfigMap.containsKey(uid))
+                .forEach(this::removeExpireClient);
+        idConfigMap.keySet()
+                .stream()
+                .filter(uid -> !clientMap.containsKey(uid))
+                .forEach(this::startNewClient);
+    }
+
+    /**
+     * Start new cls client and put it to the active clientMap.
+     *
+     * @param uid UID of new client.
+     */
+    private void startNewClient(String uid) {
+        ClsIdConfig idConfig = idConfigMap.get(uid);
+        if (idConfig == null) {
+            LOG.error("Start client failed, there is not cls config of {}", uid);
+            return;
+        }
+        AsyncProducerConfig producerConfig = new AsyncProducerConfig(
+                idConfig.getEndpoint(),
+                idConfig.getSecretId(),
+                idConfig.getSecretKey(),
+                NetworkUtils.getLocalMachineIP());
+        // todo set other configs
+        AsyncProducerClient client = new AsyncProducerClient(producerConfig);
+        clientMap.put(uid, client);

Review comment:
       It is better to create AsyncProducerClient by endpoint, not to create AsyncProducerClient by id.




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