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pinpoint-apm#84 Add web support for handling Agent lifecycle and events
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34 changes: 34 additions & 0 deletions
34
web/src/main/java/com/navercorp/pinpoint/web/dao/AgentEventDao.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,34 @@ | ||
| /* | ||
| * Copyright 2015 NAVER Corp. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| package com.navercorp.pinpoint.web.dao; | ||
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| import java.util.List; | ||
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| import com.navercorp.pinpoint.common.bo.AgentEventBo; | ||
| import com.navercorp.pinpoint.common.util.AgentEventType; | ||
| import com.navercorp.pinpoint.web.vo.Range; | ||
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| /** | ||
| * @author HyunGil Jeong | ||
| */ | ||
| public interface AgentEventDao { | ||
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| public AgentEventBo getAgentEvent(String agentId, long eventTimestamp, AgentEventType eventType); | ||
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| public List<AgentEventBo> getAgentEvents(String agentId, Range range); | ||
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| } |
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28 changes: 28 additions & 0 deletions
28
web/src/main/java/com/navercorp/pinpoint/web/dao/AgentLifeCycleDao.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /* | ||
| * Copyright 2015 NAVER Corp. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| package com.navercorp.pinpoint.web.dao; | ||
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| import com.navercorp.pinpoint.common.bo.AgentLifeCycleBo; | ||
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| /** | ||
| * @author HyunGil Jeong | ||
| */ | ||
| public interface AgentLifeCycleDao { | ||
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| AgentLifeCycleBo getAgentLifeCycle(String agentId, long timestamp); | ||
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| } |
129 changes: 129 additions & 0 deletions
129
web/src/main/java/com/navercorp/pinpoint/web/dao/hbase/HbaseAgentEventDao.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| /* | ||
| * Copyright 2015 NAVER Corp. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| package com.navercorp.pinpoint.web.dao.hbase; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import org.apache.hadoop.hbase.client.Result; | ||
| import org.apache.hadoop.hbase.client.ResultScanner; | ||
| import org.apache.hadoop.hbase.client.Scan; | ||
| import org.apache.hadoop.hbase.util.Bytes; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.beans.factory.annotation.Qualifier; | ||
| import org.springframework.data.hadoop.hbase.ResultsExtractor; | ||
| import org.springframework.data.hadoop.hbase.RowMapper; | ||
| import org.springframework.stereotype.Repository; | ||
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| import com.navercorp.pinpoint.common.bo.AgentEventBo; | ||
| import com.navercorp.pinpoint.common.hbase.HBaseTables; | ||
| import com.navercorp.pinpoint.common.hbase.HbaseOperations2; | ||
| import com.navercorp.pinpoint.common.util.AgentEventType; | ||
| import com.navercorp.pinpoint.common.util.BytesUtils; | ||
| import com.navercorp.pinpoint.common.util.RowKeyUtils; | ||
| import com.navercorp.pinpoint.common.util.TimeUtils; | ||
| import com.navercorp.pinpoint.web.dao.AgentEventDao; | ||
| import com.navercorp.pinpoint.web.vo.Range; | ||
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| /** | ||
| * @author HyunGil Jeong | ||
| */ | ||
| @Repository | ||
| public class HbaseAgentEventDao implements AgentEventDao { | ||
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| private static final int SCANNER_CACHE_SIZE = 20; | ||
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| private final Logger logger = LoggerFactory.getLogger(this.getClass()); | ||
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| @Autowired | ||
| private HbaseOperations2 hbaseOperations2; | ||
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| @Autowired | ||
| @Qualifier("agentEventMapper") | ||
| private RowMapper<List<AgentEventBo>> agentEventMapper; | ||
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| @Override | ||
| public List<AgentEventBo> getAgentEvents(String agentId, Range range) { | ||
| if (agentId == null) { | ||
| throw new NullPointerException("agentId must not be null"); | ||
| } | ||
| if (range == null) { | ||
| throw new NullPointerException("range must not be null"); | ||
| } | ||
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| Scan scan = new Scan(); | ||
| scan.setMaxVersions(1); | ||
| scan.setCaching(SCANNER_CACHE_SIZE); | ||
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| scan.setStartRow(createRowKey(agentId, range.getTo())); | ||
| scan.setStopRow(createRowKey(agentId, range.getFrom())); | ||
| scan.addFamily(HBaseTables.AGENT_EVENT_CF_EVENTS); | ||
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| List<AgentEventBo> agentEvents = this.hbaseOperations2.find(HBaseTables.AGENT_EVENT, scan, | ||
| new AgentEventResultsExtractor()); | ||
| logger.debug("agentEvents found. {}", agentEvents); | ||
| return agentEvents; | ||
| } | ||
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| @Override | ||
| public AgentEventBo getAgentEvent(String agentId, long eventTimestamp, AgentEventType eventType) { | ||
| if (agentId == null) { | ||
| throw new NullPointerException("agentId must not be null"); | ||
| } | ||
| if (eventTimestamp < 0) { | ||
| throw new IllegalArgumentException("eventTimestamp must not be less than 0"); | ||
| } | ||
| if (eventType == null) { | ||
| throw new NullPointerException("eventType must not be null"); | ||
| } | ||
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| final byte[] rowKey = createRowKey(agentId, eventTimestamp); | ||
| byte[] qualifier = Bytes.toBytes(eventType.getCode()); | ||
| List<AgentEventBo> events = this.hbaseOperations2.get(HBaseTables.AGENT_EVENT, rowKey, | ||
| HBaseTables.AGENT_EVENT_CF_EVENTS, qualifier, this.agentEventMapper); | ||
| if (events == null || events.isEmpty()) { | ||
| return null; | ||
| } | ||
| return events.get(0); | ||
| } | ||
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| private byte[] createRowKey(String agentId, long timestamp) { | ||
| byte[] agentIdKey = BytesUtils.toBytes(agentId); | ||
| long reverseTimestamp = TimeUtils.reverseTimeMillis(timestamp); | ||
| return RowKeyUtils.concatFixedByteAndLong(agentIdKey, HBaseTables.AGENT_NAME_MAX_LEN, reverseTimestamp); | ||
| } | ||
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| private class AgentEventResultsExtractor implements ResultsExtractor<List<AgentEventBo>> { | ||
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| @Override | ||
| public List<AgentEventBo> extractData(ResultScanner results) throws Exception { | ||
| List<AgentEventBo> agentEvents = new ArrayList<AgentEventBo>(); | ||
| int rowNum = 0; | ||
| for (Result result : results) { | ||
| List<AgentEventBo> intermediateEvents = agentEventMapper.mapRow(result, rowNum++); | ||
| if (!intermediateEvents.isEmpty()) { | ||
| agentEvents.addAll(intermediateEvents); | ||
| } | ||
| } | ||
| return agentEvents; | ||
| } | ||
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| } | ||
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| } |
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