/**
* 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 com.alibaba.jstorm.daemon.nimbus.metric.uploader;
import backtype.storm.generated.TopologyMetric;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
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.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class AlimonitorClient extends DefaultMetricUploader {
private static final Logger LOG = LoggerFactory.getLogger(AlimonitorClient.class);
// Send to localhost:15776 by default
public static final String DEFAUT_ADDR = "127.0.0.1";
public static final String DEFAULT_PORT = "15776";
public static final int DEFAUTL_FLAG = 0;
public static final String DEFAULT_ERROR_INFO = "";
private final String COLLECTION_FLAG = "collection_flag";
private final String ERROR_INFO = "error_info";
private final String MSG = "MSG";
private String port;
private String requestIP;
private String monitorName;
private int collectionFlag;
private String errorInfo;
private boolean post;
public AlimonitorClient() {
}
public AlimonitorClient(String requestIP, String port, boolean post) {
this.requestIP = requestIP;
this.port = port;
this.post = post;
this.monitorName = null;
this.collectionFlag = 0;
this.errorInfo = null;
}
public void setIpAddr(String ipAddr) {
this.requestIP = ipAddr;
}
public void setPort(String port) {
this.port = port;
}
public void setMonitorName(String monitorName) {
this.monitorName = monitorName;
}
public void setCollectionFlag(int flag) {
this.collectionFlag = flag;
}
public void setErrorInfo(String msg) {
this.errorInfo = msg;
}
public void setPostFlag(boolean post) {
this.post = post;
}
public String buildURL() {
return "http://" + requestIP + ":" + port + "/passive";
}
public String buildRqstAddr() {
return "http://" + requestIP + ":" + port + "/passive?name=" + monitorName + "&msg=";
}
public Map buildAliMonitorMsg(int collection_flag, String error_message) {
// Json format of the message sent to Alimonitor
// {
// "collection_flag":int,
// "error_info":string,
// "MSG": ojbect | array
// }
Map ret = new HashMap();
ret.put(COLLECTION_FLAG, collection_flag);
ret.put(ERROR_INFO, error_message);
ret.put(MSG, null);
return ret;
}
private void addMsgData(Map jsonObj, Map<String, Object> map) {
jsonObj.put(MSG, map);
}
private boolean sendRequest(int collection_flag, String error_message, Map<String, Object> msg) throws Exception {
boolean ret = false;
if (msg.size() == 0)
return ret;
Map jsonObj = buildAliMonitorMsg(collection_flag, error_message);
addMsgData(jsonObj, msg);
String jsonMsg = jsonObj.toString();
LOG.info(jsonMsg);
if (post) {
String url = buildURL();
ret = httpPost(url, jsonMsg);
} else {
String request = buildRqstAddr();
StringBuilder postAddr = new StringBuilder();
postAddr.append(request);
postAddr.append(URLEncoder.encode(jsonMsg));
ret = httpGet(postAddr);
}
return ret;
}
private boolean httpGet(StringBuilder postAddr) {
boolean ret = false;
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
CloseableHttpResponse response = null;
try {
HttpGet request = new HttpGet(postAddr.toString());
response = httpClient.execute(request);
HttpEntity entity = response.getEntity();
if (entity != null) {
LOG.info(EntityUtils.toString(entity));
}
EntityUtils.consume(entity);
ret = true;
} catch (Exception e) {
LOG.error("Exception when sending http request to ali monitor", e);
} finally {
try {
if (response != null)
response.close();
httpClient.close();
} catch (Exception e) {
LOG.error("Exception when closing httpclient", e);
}
}
return ret;
}
private boolean httpPost(String url, String msg) {
boolean ret = false;
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
CloseableHttpResponse response = null;
try {
HttpPost request = new HttpPost(url);
List<NameValuePair> nvps = new ArrayList<>();
nvps.add(new BasicNameValuePair("name", monitorName));
nvps.add(new BasicNameValuePair("msg", msg));
request.setEntity(new UrlEncodedFormEntity(nvps));
response = httpClient.execute(request);
HttpEntity entity = response.getEntity();
if (entity != null) {
LOG.info(EntityUtils.toString(entity));
}
EntityUtils.consume(entity);
ret = true;
} catch (Exception e) {
LOG.error("Exception when sending http request to ali monitor", e);
} finally {
try {
if (response != null)
response.close();
httpClient.close();
} catch (Exception e) {
LOG.error("Exception when closing httpclient", e);
}
}
return ret;
}
protected Map<String, Object> convertMap(String clusterName, String topologyId, TopologyMetric tpMetric) {
return null;
}
@Override
public boolean upload(String clusterName, String topologyId, TopologyMetric tpMetric,
Map<String, Object> metricContext) {
Map<String, Object> metricMap = convertMap(clusterName, topologyId, tpMetric);
if (metricMap == null || metricMap.isEmpty()) {
return false;
}
try {
sendRequest(collectionFlag, errorInfo, metricMap);
return true;
} catch (Exception e) {
LOG.error("Failed to upload metric to ali monitor", e);
return false;
}
}
}