GKE&;Stackdriver:Java日志记录格式?
我有一个项目在Kubernetes上的docker映像中运行Java。fluentd代理会自动接收日志,并最终保存在Stackdriver中 但是,日志的格式是错误的:多行日志被放入Stackdriver中的单独日志行中,并且所有日志都具有“INFO”日志级别,即使它们实际上是警告或错误 我一直在搜索有关如何配置logback以输出正确格式以使其正常工作的信息,但在google Stackdriver或GKE文档中找不到此类指南 我的猜测是,我应该输出某种形式的JSON,但我在哪里可以找到关于该格式的信息,甚至是关于如何正确设置此管道的指南GKE&;Stackdriver:Java日志记录格式?,java,google-cloud-platform,kubernetes,logback,stackdriver,Java,Google Cloud Platform,Kubernetes,Logback,Stackdriver,我有一个项目在Kubernetes上的docker映像中运行Java。fluentd代理会自动接收日志,并最终保存在Stackdriver中 但是,日志的格式是错误的:多行日志被放入Stackdriver中的单独日志行中,并且所有日志都具有“INFO”日志级别,即使它们实际上是警告或错误 我一直在搜索有关如何配置logback以输出正确格式以使其正常工作的信息,但在google Stackdriver或GKE文档中找不到此类指南 我的猜测是,我应该输出某种形式的JSON,但我在哪里可以找到关于该
谢谢 这个答案包含了我需要的大部分信息: 我已经调整了答案,以适应我的确切问题,并修复了一些奇怪的导入和似乎已被弃用的代码 logback.xml:
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
<layout class="my.package.logging.GCPCloudLoggingJSONLayout">
<pattern>%-4relative [%thread] %-5level %logger{35} - %msg</pattern>
</layout>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT"/>
</root>
</configuration>
%-4相对[%thread]-5级别%logger{35}-%msg
GCPCloudLoggingJSONLayout:
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.PatternLayout;
import ch.qos.logback.classic.spi.ILoggingEvent;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.Map;
import static ch.qos.logback.classic.Level.DEBUG_INT;
import static ch.qos.logback.classic.Level.ERROR_INT;
import static ch.qos.logback.classic.Level.INFO_INT;
import static ch.qos.logback.classic.Level.TRACE_INT;
import static ch.qos.logback.classic.Level.WARN_INT;
/**
* GKE fluentd ingestion detective work:
* https://cloud.google.com/error-reporting/docs/formatting-error-messages#json_representation
* http://google-cloud-python.readthedocs.io/en/latest/logging-handlers-container-engine.html
* http://google-cloud-python.readthedocs.io/en/latest/_modules/google/cloud/logging/handlers/container_engine.html#ContainerEngineHandler.format
* https://github.com/GoogleCloudPlatform/google-cloud-python/blob/master/logging/google/cloud/logging/handlers/_helpers.py
* https://cloud.google.com/logging/docs/reference/v2/rest/v2/LogEntry
*/
public class GCPCloudLoggingJSONLayout extends PatternLayout {
private static final ObjectMapper objectMapper = new ObjectMapper();
@Override
public String doLayout(ILoggingEvent event) {
String formattedMessage = super.doLayout(event);
return doLayoutInternal(formattedMessage, event);
}
/**
* For testing without having to deal wth the complexity of super.doLayout()
* Uses formattedMessage instead of event.getMessage()
*/
private String doLayoutInternal(String formattedMessage, ILoggingEvent event) {
GCPCloudLoggingEvent gcpLogEvent =
new GCPCloudLoggingEvent(formattedMessage, convertTimestampToGCPLogTimestamp(event.getTimeStamp()),
mapLevelToGCPLevel(event.getLevel()), event.getThreadName());
try {
// Add a newline so that each JSON log entry is on its own line.
// Note that it is also important that the JSON log entry does not span multiple lines.
return objectMapper.writeValueAsString(gcpLogEvent) + "\n";
} catch (JsonProcessingException e) {
return "";
}
}
private static GCPCloudLoggingEvent.GCPCloudLoggingTimestamp convertTimestampToGCPLogTimestamp(
long millisSinceEpoch) {
int nanos =
((int) (millisSinceEpoch % 1000)) * 1_000_000; // strip out just the milliseconds and convert to nanoseconds
long seconds = millisSinceEpoch / 1000L; // remove the milliseconds
return new GCPCloudLoggingEvent.GCPCloudLoggingTimestamp(seconds, nanos);
}
private static String mapLevelToGCPLevel(Level level) {
switch (level.toInt()) {
case TRACE_INT:
return "TRACE";
case DEBUG_INT:
return "DEBUG";
case INFO_INT:
return "INFO";
case WARN_INT:
return "WARN";
case ERROR_INT:
return "ERROR";
default:
return null; /* This should map to no level in GCP Cloud Logging */
}
}
/* Must be public for Jackson JSON conversion */
public static class GCPCloudLoggingEvent {
private String message;
private GCPCloudLoggingTimestamp timestamp;
private String thread;
private String severity;
public GCPCloudLoggingEvent(String message, GCPCloudLoggingTimestamp timestamp, String severity,
String thread) {
super();
this.message = message;
this.timestamp = timestamp;
this.thread = thread;
this.severity = severity;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public GCPCloudLoggingTimestamp getTimestamp() {
return timestamp;
}
public void setTimestamp(GCPCloudLoggingTimestamp timestamp) {
this.timestamp = timestamp;
}
public String getThread() {
return thread;
}
public void setThread(String thread) {
this.thread = thread;
}
public String getSeverity() {
return severity;
}
public void setSeverity(String severity) {
this.severity = severity;
}
/* Must be public for JSON marshalling logic */
public static class GCPCloudLoggingTimestamp {
private long seconds;
private int nanos;
public GCPCloudLoggingTimestamp(long seconds, int nanos) {
super();
this.seconds = seconds;
this.nanos = nanos;
}
public long getSeconds() {
return seconds;
}
public void setSeconds(long seconds) {
this.seconds = seconds;
}
public int getNanos() {
return nanos;
}
public void setNanos(int nanos) {
this.nanos = nanos;
}
}
}
@Override
public Map<String, String> getDefaultConverterMap() {
return PatternLayout.defaultConverterMap;
}
}
导入ch.qos.logback.classic.Level;
导入ch.qos.logback.classic.PatternLayout;
导入ch.qos.logback.classic.spi.ILoggingEvent;
导入com.fasterxml.jackson.core.JsonProcessingException;
导入com.fasterxml.jackson.databind.ObjectMapper;
导入java.util.Map;
导入静态ch.qos.logback.classic.Level.DEBUG\u INT;
导入静态ch.qos.logback.classic.Level.ERROR\u INT;
导入静态ch.qos.logback.classic.Level.INFO\u INT;
导入静态ch.qos.logback.classic.Level.TRACE\u INT;
导入静态ch.qos.logback.classic.Level.WARN\u INT;
/**
*GKE fluentd摄入检测工作:
* https://cloud.google.com/error-reporting/docs/formatting-error-messages#json_representation
* http://google-cloud-python.readthedocs.io/en/latest/logging-handlers-container-engine.html
* http://google-cloud-python.readthedocs.io/en/latest/_modules/google/cloud/logging/handlers/container_engine.html#ContainerEngineHandler.format
* https://github.com/GoogleCloudPlatform/google-cloud-python/blob/master/logging/google/cloud/logging/handlers/_helpers.py
* https://cloud.google.com/logging/docs/reference/v2/rest/v2/LogEntry
*/
公共类GCPCloudLoggingJSONLayout扩展了PatternLayout{
私有静态最终ObjectMapper ObjectMapper=新ObjectMapper();
@凌驾
公共字符串布局(ILOGINGEVENT事件){
字符串formattedMessage=super.doLayout(事件);
返回dolayouternal(格式化消息、事件);
}
/**
*用于测试,无需处理super.doLayout()的复杂性
*使用formattedMessage而不是event.getMessage()
*/
私有字符串dolayouternal(字符串格式化消息,ILOGINGEVENT事件){
GCPCloudLoggingEvent gcpLogEvent=
新的GCPCloudLoggingEvent(formattedMessage,ConvertTimestampTogcLogTimeStamp(event.getTimeStamp()),
MaplevelToGCLevel(event.getLevel()),event.getThreadName();
试一试{
//添加一个换行符,使每个JSON日志条目位于其自己的行上。
//请注意,JSON日志项不跨越多行也很重要。
返回objectMapper.writeValueAsString(gcpLogEvent)+“\n”;
}捕获(JsonProcessingException e){
返回“”;
}
}
专用静态GCPCloudLoggingEvent.GCPCloudLoggingTimestamp转换器Timestamp TogCplogTimestamp(
长百万分之一世纪){
奈米=
((int)(millisSinceEpoch%1000))*1_000_000;//仅去掉毫秒并转换为纳秒
long seconds=millisSinceEpoch/1000L;//删除毫秒
返回新的GCPCloudLoggingEvent.GCPCloudLoggingTimestamp(秒,纳秒);
}
私有静态字符串MaplevelToGCLevel(级别){
开关(level.toInt()){
案例跟踪信息:
返回“跟踪”;
案例调试\u INT:
返回“调试”;
案件信息:
返回“信息”;
案例警告:
返回“警告”;
案例错误_INT:
返回“错误”;
违约:
返回null;/*这应该映射到GCP云日志中的no级别*/
}
}
/*对于Jackson JSON转换,必须是公共的*/
公共静态类GCPCloudLoggingEvent{
私有字符串消息;
专用GCPCloudLoggingTimestamp时间戳;
私有字符串线程;
私有字符串严重性;
公共GCPCloudLoggingEvent(字符串消息、GCPCloudLoggingTimestamp时间戳、字符串严重性、,
(细线){
超级();
this.message=消息;
this.timestamp=时间戳;
this.thread=线程;
严重性=严重性;
}
公共字符串getMessage(){
返回消息;
}
公共无效设置消息(字符串消息){
this.message=消息;
}
公共GCPCloudLoggingTimestamp getTimestamp()的时间戳{
返回时间戳;
}
public void setTimestamp(GCPCloudLoggingTimestamp时间戳){
this.timestamp=时间戳;
}
公共字符串getThread(){
返回线程;
}
公共void setThread(字符串线程){
this.thread=线程;
}
公共字符串getSeverity(){
返回严重性;
}
公共无效设置严重性(字符串严重性){
严重性=严重性;
}
/*对于JSON编组逻辑,必须是公共的*/
公共静态类GCPCloudLoggingTimestamp{
私人长秒;
私有int nanos;
公共GCPCloudLoggingTimestamp(长秒,整数纳秒){
超级();
这个。秒=秒;
<dependency>
<groupId>com.google.cloud</groupId>
<artifactId>google-cloud-logging-logback</artifactId>
<version>0.116.0-alpha</version>
</dependency>
<springProfile name="prod-gae">
<appender name="CLOUD"
class="com.google.cloud.logging.logback.LoggingAppender">
<log>clicktrade.log</log>
<loggingEventEnhancer>com.jimmy.clicktrade.arch.CommonEnhancer</loggingEventEnhancer>
<flushLevel>WARN</flushLevel>
</appender>
<root level="info">
<appender-ref ref="CLOUD" />
</root>
</springProfile>
public class CommonEnhancer implements LoggingEventEnhancer {
@Override
public void enhanceLogEntry(Builder builder, ILoggingEvent e) {
builder.addLabel("thread", e.getThreadName());
}
}