java - 如何使用 java 获取 Aws cloudwatch 日志
问题描述
我们正在处理 AWS Lambda 和 Cloudwatch 日志。现在,我想在不使用 Java 的 logStreamName 的情况下从 Cloudwatch 日志中获取所有日志事件。
由于我们以动态方式生成日志流,因此不确定如何从 Cloudwatch 日志组中获取所有日志。
我知道,如果我们有日志流名称,那么我们可以使用下面的代码
ClientConfiguration clientConfig = getClientConfig();
AWSLogsClientBuilder builder = AWSLogsClientBuilder.standard();
AWSLogs logsClient= builder.withCredentials(new AWSStaticCredentialsProvider(new ProfileCredentialsProvider(profile).getCredentials())).withRegion(Regions.AP_SOUTHEAST_2).withClientConfiguration(clientConfig).build();
GetLogEventsRequest request = new GetLogEventsRequest()
.withStartTime(1531231200000L)
.withEndTime(1531576800000L)
.withLogGroupName("FlowLogs_GroupName")
.withLogStreamName("eni-xxxxx");
GetLogEventsResult result = logsClient.getLogEvents(request);
result.getEvents().forEach(outputLogEvent -> {
System.out.println(outputLogEvent.getMessage());
});
由于是此 AWS 的新手,任何人都可以帮我提供一些代码示例吗?
解决方案
您可以使用DescribeLogStreamsRequest
获取日志流名称。希望这会有所帮助
public static void main( String[] args )
{
ClientConfiguration clientConfig = new ClientConfiguration();
AWSLogsClientBuilder builder = AWSLogsClientBuilder.standard();
AWSLogs logsClient = builder.withCredentials( new AWSStaticCredentialsProvider( new ProfileCredentialsProvider().getCredentials() ) )
.withRegion( Regions.AP_SOUTHEAST_2 )
.withClientConfiguration( clientConfig ).build();
DescribeLogStreamsRequest describeLogStreamsRequest = new DescribeLogStreamsRequest().withLogGroupName( "FlowLogs_GroupName" );
DescribeLogStreamsResult describeLogStreamsResult = logsClient.describeLogStreams( describeLogStreamsRequest );
for ( LogStream logStream : describeLogStreamsResult.getLogStreams() )
{
GetLogEventsRequest getLogEventsRequest = new GetLogEventsRequest()
.withStartTime( 1531231200000L )
.withEndTime( 1531576800000L )
.withLogGroupName( "FlowLogs_GroupName" )
.withLogStreamName( logStream.getLogStreamName() );
GetLogEventsResult result = logsClient.getLogEvents( getLogEventsRequest );
result.getEvents().forEach( outputLogEvent -> {
System.out.println( outputLogEvent.getMessage() );
} );
}
}