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1 | 1 | package com.webank.wedatasphere.streamis.jobmanager.log.collector; |
2 | 2 |
|
3 | | -public class StreamisRpcLogAppender { |
| 3 | +import com.webank.wedatasphere.streamis.jobmanager.log.collector.cache.LogCache; |
| 4 | +import com.webank.wedatasphere.streamis.jobmanager.log.collector.config.RpcLogSenderConfig; |
| 5 | +import com.webank.wedatasphere.streamis.jobmanager.log.collector.config.StreamisLogAppenderConfig; |
| 6 | +import com.webank.wedatasphere.streamis.jobmanager.log.collector.config.StreamisLogAppenderConfigBuilder; |
| 7 | +import com.webank.wedatasphere.streamis.jobmanager.log.collector.sender.StreamisRpcLogSender; |
| 8 | +import com.webank.wedatasphere.streamis.jobmanager.log.entities.StreamisLogEvent; |
| 9 | +import org.apache.logging.log4j.core.Filter; |
| 10 | +import org.apache.logging.log4j.core.Layout; |
| 11 | +import org.apache.logging.log4j.core.LogEvent; |
| 12 | +import org.apache.logging.log4j.core.appender.AbstractAppender; |
| 13 | +import org.apache.logging.log4j.core.config.Property; |
| 14 | +import org.apache.logging.log4j.core.config.plugins.Plugin; |
| 15 | +import org.apache.logging.log4j.core.config.plugins.PluginAttribute; |
| 16 | +import org.apache.logging.log4j.core.config.plugins.PluginElement; |
| 17 | +import org.apache.logging.log4j.core.config.plugins.PluginFactory; |
| 18 | +import org.apache.logging.log4j.core.layout.PatternLayout; |
| 19 | + |
| 20 | +import java.io.Serializable; |
| 21 | +import java.nio.Buffer; |
| 22 | +import java.util.ArrayList; |
| 23 | +import java.util.List; |
| 24 | +import java.util.Objects; |
| 25 | +import java.util.ServiceLoader; |
| 26 | +import java.util.concurrent.TimeUnit; |
| 27 | + |
| 28 | +/** |
| 29 | + * Streamis rpc log appender |
| 30 | + */ |
| 31 | +@Plugin(name = "StreamRpcLog", category = "Core", elementType = "appender", printObject = true) |
| 32 | +public class StreamisRpcLogAppender extends AbstractAppender { |
| 33 | + |
| 34 | + private static final String DEFAULT_APPENDER_NAME = "StreamRpcLog"; |
| 35 | + |
| 36 | + /** |
| 37 | + * Appender config |
| 38 | + */ |
| 39 | + private StreamisLogAppenderConfig appenderConfig; |
| 40 | + |
| 41 | + /** |
| 42 | + * Rpc log sender |
| 43 | + */ |
| 44 | + private StreamisRpcLogSender rpcLogSender; |
| 45 | + |
| 46 | + /** |
| 47 | + * Cache |
| 48 | + */ |
| 49 | + private LogCache<StreamisLogEvent> logCache; |
| 50 | + protected StreamisRpcLogAppender(String name, Filter filter, |
| 51 | + Layout<? extends Serializable> layout, |
| 52 | + boolean ignoreExceptions, Property[] properties, |
| 53 | + StreamisLogAppenderConfig appenderConfig) { |
| 54 | + super(name, filter, layout, ignoreExceptions, properties); |
| 55 | + this.appenderConfig = appenderConfig; |
| 56 | + this.rpcLogSender = new StreamisRpcLogSender(this.appenderConfig.getApplicationName(), |
| 57 | + this.appenderConfig.getSenderConfig()); |
| 58 | + this.logCache = this.rpcLogSender.getOrCreateLogCache(); |
| 59 | + Runtime.getRuntime().addShutdownHook(new Thread(() -> this.rpcLogSender.close())); |
| 60 | + } |
| 61 | + |
| 62 | + @Override |
| 63 | + public void append(LogEvent event) { |
| 64 | + String content = new String(getLayout().toByteArray(event)); |
| 65 | + // Transform to stream log event; |
| 66 | + StreamisLogEvent logEvent = new StreamisLogEvent(content, System.currentTimeMillis()); |
| 67 | + try { |
| 68 | + this.logCache.cacheLog(logEvent); |
| 69 | + } catch (InterruptedException e) { |
| 70 | + LOGGER.error("StreamisRpcLogAppender: {} interrupted when cache the log into the RPC sender, message: {}", this.getName(), e.getMessage()); |
| 71 | + } |
| 72 | + } |
| 73 | + |
| 74 | + @PluginFactory |
| 75 | + public static StreamisRpcLogAppender createAppender(@PluginAttribute("name") String name, |
| 76 | + @PluginAttribute("appName") String applicationName, |
| 77 | + @PluginAttribute("ignoreExceptions") boolean ignoreExceptions, |
| 78 | + @PluginElement("Filter") final Filter filter, |
| 79 | + @PluginElement("Layout") Layout<? extends Serializable> layout, |
| 80 | + @PluginElement("RpcLogSender")RpcLogSenderConfig rpcLogSenderConfig){ |
| 81 | + if (null == name || name.trim().equals("")){ |
| 82 | + name = DEFAULT_APPENDER_NAME; |
| 83 | + } |
| 84 | + if (Objects.isNull(layout)){ |
| 85 | + layout = PatternLayout.createDefaultLayout(); |
| 86 | + } |
| 87 | + // Search the config builder |
| 88 | + List<StreamisLogAppenderConfigBuilder> configBuilders = new ArrayList<>(); |
| 89 | + StreamisLogAppenderConfig logAppenderConfig = null; |
| 90 | + ServiceLoader.load(StreamisLogAppenderConfigBuilder.class, |
| 91 | + StreamisRpcLogAppender.class.getClassLoader()).iterator().forEachRemaining(configBuilders::add); |
| 92 | + if (!configBuilders.isEmpty()){ |
| 93 | + logAppenderConfig = configBuilders.get(0).build(applicationName, filter, rpcLogSenderConfig); |
| 94 | + } |
| 95 | + if (Objects.isNull(logAppenderConfig)){ |
| 96 | + logAppenderConfig = new StreamisLogAppenderConfig(applicationName, filter, rpcLogSenderConfig); |
| 97 | + } |
| 98 | + return new StreamisRpcLogAppender(name, filter, layout, ignoreExceptions, Property.EMPTY_ARRAY, logAppenderConfig); |
| 99 | + } |
4 | 100 |
|
5 | 101 | } |
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