Create a logStream for each log file in cloudwatchLogs












5















I use AWS CloudWatch log agent to push my application log to AWS Cloudwatch.



In the cloudwatchLogs config file inside my EC2 instance, I have this entry:



[/scripts/application]
datetime_format = %Y-%m-%d %H:%M:%S
file = /workingdir/customer/logfiles/*.log
buffer_duration = 5000
log_stream_name = {instance_id}
initial_position = start_of_file
log_group_name = /scripts/application


According to this configuration, all log files in workingdir directory are being sent to cloudwatchLogs in the same stream were the name is the instance Id.



My question is, I want for each log file, create a separate logStream, so that the logs reading can be more fast and parseable. In other words, every time I have a new log file, a new logstream is created automatically.



I thought of doing that by a shell script in a cron job but then I'll have to change many other configurations in the architecture, so I'm looking for a way to do it in the config file. In the documentation, they say that :




log_stream_name



Specifies the destination log stream. You can use a literal string or
predefined variables ({instance_id}, {hostname}, {ip_address}), or
combination of both to define a log stream name. A log stream is
created automatically if it doesn't already exist.




The names of the log files can't be 100% predictible, but they always have this structure though:



CustomerName-YYYY-mm-dd.log


Also, another problem is that :




A running agent must be stopped and restarted for configuration
changes to take effect.




How can I set the logStream in this case?



Any ideas or suggestions or workarounds are very appreciated.










share|improve this question




















  • 1





    I know you asked this quite some time ago but did you find a solution in the end? I'm experiencing the same limitations in trying to configure the AWS logging agent to be more automated, avoiding the need to configure each log stream separately; we simply have too many log files for this to be feasible, so any input is greatly appreciated. Thanks!

    – Kevin
    Jan 17 '18 at 17:05
















5















I use AWS CloudWatch log agent to push my application log to AWS Cloudwatch.



In the cloudwatchLogs config file inside my EC2 instance, I have this entry:



[/scripts/application]
datetime_format = %Y-%m-%d %H:%M:%S
file = /workingdir/customer/logfiles/*.log
buffer_duration = 5000
log_stream_name = {instance_id}
initial_position = start_of_file
log_group_name = /scripts/application


According to this configuration, all log files in workingdir directory are being sent to cloudwatchLogs in the same stream were the name is the instance Id.



My question is, I want for each log file, create a separate logStream, so that the logs reading can be more fast and parseable. In other words, every time I have a new log file, a new logstream is created automatically.



I thought of doing that by a shell script in a cron job but then I'll have to change many other configurations in the architecture, so I'm looking for a way to do it in the config file. In the documentation, they say that :




log_stream_name



Specifies the destination log stream. You can use a literal string or
predefined variables ({instance_id}, {hostname}, {ip_address}), or
combination of both to define a log stream name. A log stream is
created automatically if it doesn't already exist.




The names of the log files can't be 100% predictible, but they always have this structure though:



CustomerName-YYYY-mm-dd.log


Also, another problem is that :




A running agent must be stopped and restarted for configuration
changes to take effect.




How can I set the logStream in this case?



Any ideas or suggestions or workarounds are very appreciated.










share|improve this question




















  • 1





    I know you asked this quite some time ago but did you find a solution in the end? I'm experiencing the same limitations in trying to configure the AWS logging agent to be more automated, avoiding the need to configure each log stream separately; we simply have too many log files for this to be feasible, so any input is greatly appreciated. Thanks!

    – Kevin
    Jan 17 '18 at 17:05














5












5








5


1






I use AWS CloudWatch log agent to push my application log to AWS Cloudwatch.



In the cloudwatchLogs config file inside my EC2 instance, I have this entry:



[/scripts/application]
datetime_format = %Y-%m-%d %H:%M:%S
file = /workingdir/customer/logfiles/*.log
buffer_duration = 5000
log_stream_name = {instance_id}
initial_position = start_of_file
log_group_name = /scripts/application


According to this configuration, all log files in workingdir directory are being sent to cloudwatchLogs in the same stream were the name is the instance Id.



My question is, I want for each log file, create a separate logStream, so that the logs reading can be more fast and parseable. In other words, every time I have a new log file, a new logstream is created automatically.



I thought of doing that by a shell script in a cron job but then I'll have to change many other configurations in the architecture, so I'm looking for a way to do it in the config file. In the documentation, they say that :




log_stream_name



Specifies the destination log stream. You can use a literal string or
predefined variables ({instance_id}, {hostname}, {ip_address}), or
combination of both to define a log stream name. A log stream is
created automatically if it doesn't already exist.




The names of the log files can't be 100% predictible, but they always have this structure though:



CustomerName-YYYY-mm-dd.log


Also, another problem is that :




A running agent must be stopped and restarted for configuration
changes to take effect.




How can I set the logStream in this case?



Any ideas or suggestions or workarounds are very appreciated.










share|improve this question
















I use AWS CloudWatch log agent to push my application log to AWS Cloudwatch.



In the cloudwatchLogs config file inside my EC2 instance, I have this entry:



[/scripts/application]
datetime_format = %Y-%m-%d %H:%M:%S
file = /workingdir/customer/logfiles/*.log
buffer_duration = 5000
log_stream_name = {instance_id}
initial_position = start_of_file
log_group_name = /scripts/application


According to this configuration, all log files in workingdir directory are being sent to cloudwatchLogs in the same stream were the name is the instance Id.



My question is, I want for each log file, create a separate logStream, so that the logs reading can be more fast and parseable. In other words, every time I have a new log file, a new logstream is created automatically.



I thought of doing that by a shell script in a cron job but then I'll have to change many other configurations in the architecture, so I'm looking for a way to do it in the config file. In the documentation, they say that :




log_stream_name



Specifies the destination log stream. You can use a literal string or
predefined variables ({instance_id}, {hostname}, {ip_address}), or
combination of both to define a log stream name. A log stream is
created automatically if it doesn't already exist.




The names of the log files can't be 100% predictible, but they always have this structure though:



CustomerName-YYYY-mm-dd.log


Also, another problem is that :




A running agent must be stopped and restarted for configuration
changes to take effect.




How can I set the logStream in this case?



Any ideas or suggestions or workarounds are very appreciated.







amazon-web-services amazon-ec2 configuration stream amazon-cloudwatchlogs






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Mar 21 '17 at 11:26







Souad

















asked Mar 21 '17 at 10:40









SouadSouad

1,82753570




1,82753570








  • 1





    I know you asked this quite some time ago but did you find a solution in the end? I'm experiencing the same limitations in trying to configure the AWS logging agent to be more automated, avoiding the need to configure each log stream separately; we simply have too many log files for this to be feasible, so any input is greatly appreciated. Thanks!

    – Kevin
    Jan 17 '18 at 17:05














  • 1





    I know you asked this quite some time ago but did you find a solution in the end? I'm experiencing the same limitations in trying to configure the AWS logging agent to be more automated, avoiding the need to configure each log stream separately; we simply have too many log files for this to be feasible, so any input is greatly appreciated. Thanks!

    – Kevin
    Jan 17 '18 at 17:05








1




1





I know you asked this quite some time ago but did you find a solution in the end? I'm experiencing the same limitations in trying to configure the AWS logging agent to be more automated, avoiding the need to configure each log stream separately; we simply have too many log files for this to be feasible, so any input is greatly appreciated. Thanks!

– Kevin
Jan 17 '18 at 17:05





I know you asked this quite some time ago but did you find a solution in the end? I'm experiencing the same limitations in trying to configure the AWS logging agent to be more automated, avoiding the need to configure each log stream separately; we simply have too many log files for this to be feasible, so any input is greatly appreciated. Thanks!

– Kevin
Jan 17 '18 at 17:05












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