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CloudWatch Logs Insights

Loglines:

172.31.37.134 - - [07/Jul/2020 13:18:34] "GET / HTTP/1.1" 200 -
172.31.37.134 - - [07/Jul/2020 13:18:34] "GET /status HTTP/1.1" 200 -

Show all logs:

fields @message

Show the 25 most recent log entries:

fields @timestamp, @message | sort @timestamp desc | limit 25

Show all logs and include parsed fields:

fields @message, @log, @logStream, @ingestionTime, @timestamp

Only show logs containing /status:

fields @message | filter @message like '/status'

View eks audit logs for delete verbs:

fields @timestamp, @message, @logStream, @log
| filter objectRef.namespace = 'dev' and objectRef.resource like /service.*/ and verb = 'delete'
| sort @timestamp desc
| limit 20

Select the logstream and filter on a string content:

fields @timestamp, @message, @logStream
| sort @timestamp desc 
| filter @logStream = 'cb2a300000000000000000003b3' 
| filter @message like 'msg='

Select the logstream and filter out string content:

fields @timestamp, @message, @logStream | sort @timestamp desc 
| filter @logStream = 'cb2a300000000000000000003b3' 
| filter @message not like "Something I dont want to see"

Filter out multiple strings:

fields @timestamp, @message, @logStream | sort @timestamp desc 
| filter @logStream = 'cb2a300000000000000000003b3'  
  and not (
    @message like "Something I dont want to see" or
    @message like "also dont want to see this" or
    @message like "or even this"
  )