Elastic Beanstalk not streaming to CloudWatch












0















I've had an Elastic Beanstalk instance streaming my logs to Cloud Watch for about a year. This week the logs stopped streaming. This may have been because I 'rebuilt' the environment in Beanstalk. No configuration changes were made at the same time.



I've double checked that my Beanstalk role has the correct permissions in IAM (it has CloudWatchFullAccess).



I also tried deleting all of my existing group logs. I then went into the Beanstalk 'Instance log streaming to CloudWatch Logs' area, changed my log retention period and restarted the App Server. Sure enough my log groups were recreated (with the new retention period), so I'm pretty sure the permissions look OK. Despite this, no log messages are appearing in the log groups.



I have requested the recent logs though Beanstalk and I can see messages are being written to the logs on the App Server OK.



My platform is Tomcat 8 with Java 8 running on 64bit Amazon Linux/2.6.2



I'm not sure where to go from here. I have no error messages to work off, or any good ideas for what to check next.



Edit: Here is my custom config for CloudWatch, as defined here



files:
"/etc/awslogs/config/company_log.conf" :
mode: "000600"
owner: root
group: root
content: |
[/var/log/tomcat8/company.log]
log_group_name = `{"Fn::Join":["/", ["/aws/elasticbeanstalk", { "Ref":"AWSEBEnvironmentName" }, "var/log/tomcat8/company.log"]]}`
log_stream_name = {instance_id}
file = /var/log/tomcat8/company.*









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    0















    I've had an Elastic Beanstalk instance streaming my logs to Cloud Watch for about a year. This week the logs stopped streaming. This may have been because I 'rebuilt' the environment in Beanstalk. No configuration changes were made at the same time.



    I've double checked that my Beanstalk role has the correct permissions in IAM (it has CloudWatchFullAccess).



    I also tried deleting all of my existing group logs. I then went into the Beanstalk 'Instance log streaming to CloudWatch Logs' area, changed my log retention period and restarted the App Server. Sure enough my log groups were recreated (with the new retention period), so I'm pretty sure the permissions look OK. Despite this, no log messages are appearing in the log groups.



    I have requested the recent logs though Beanstalk and I can see messages are being written to the logs on the App Server OK.



    My platform is Tomcat 8 with Java 8 running on 64bit Amazon Linux/2.6.2



    I'm not sure where to go from here. I have no error messages to work off, or any good ideas for what to check next.



    Edit: Here is my custom config for CloudWatch, as defined here



    files:
    "/etc/awslogs/config/company_log.conf" :
    mode: "000600"
    owner: root
    group: root
    content: |
    [/var/log/tomcat8/company.log]
    log_group_name = `{"Fn::Join":["/", ["/aws/elasticbeanstalk", { "Ref":"AWSEBEnvironmentName" }, "var/log/tomcat8/company.log"]]}`
    log_stream_name = {instance_id}
    file = /var/log/tomcat8/company.*









    share|improve this question



























      0












      0








      0








      I've had an Elastic Beanstalk instance streaming my logs to Cloud Watch for about a year. This week the logs stopped streaming. This may have been because I 'rebuilt' the environment in Beanstalk. No configuration changes were made at the same time.



      I've double checked that my Beanstalk role has the correct permissions in IAM (it has CloudWatchFullAccess).



      I also tried deleting all of my existing group logs. I then went into the Beanstalk 'Instance log streaming to CloudWatch Logs' area, changed my log retention period and restarted the App Server. Sure enough my log groups were recreated (with the new retention period), so I'm pretty sure the permissions look OK. Despite this, no log messages are appearing in the log groups.



      I have requested the recent logs though Beanstalk and I can see messages are being written to the logs on the App Server OK.



      My platform is Tomcat 8 with Java 8 running on 64bit Amazon Linux/2.6.2



      I'm not sure where to go from here. I have no error messages to work off, or any good ideas for what to check next.



      Edit: Here is my custom config for CloudWatch, as defined here



      files:
      "/etc/awslogs/config/company_log.conf" :
      mode: "000600"
      owner: root
      group: root
      content: |
      [/var/log/tomcat8/company.log]
      log_group_name = `{"Fn::Join":["/", ["/aws/elasticbeanstalk", { "Ref":"AWSEBEnvironmentName" }, "var/log/tomcat8/company.log"]]}`
      log_stream_name = {instance_id}
      file = /var/log/tomcat8/company.*









      share|improve this question
















      I've had an Elastic Beanstalk instance streaming my logs to Cloud Watch for about a year. This week the logs stopped streaming. This may have been because I 'rebuilt' the environment in Beanstalk. No configuration changes were made at the same time.



      I've double checked that my Beanstalk role has the correct permissions in IAM (it has CloudWatchFullAccess).



      I also tried deleting all of my existing group logs. I then went into the Beanstalk 'Instance log streaming to CloudWatch Logs' area, changed my log retention period and restarted the App Server. Sure enough my log groups were recreated (with the new retention period), so I'm pretty sure the permissions look OK. Despite this, no log messages are appearing in the log groups.



      I have requested the recent logs though Beanstalk and I can see messages are being written to the logs on the App Server OK.



      My platform is Tomcat 8 with Java 8 running on 64bit Amazon Linux/2.6.2



      I'm not sure where to go from here. I have no error messages to work off, or any good ideas for what to check next.



      Edit: Here is my custom config for CloudWatch, as defined here



      files:
      "/etc/awslogs/config/company_log.conf" :
      mode: "000600"
      owner: root
      group: root
      content: |
      [/var/log/tomcat8/company.log]
      log_group_name = `{"Fn::Join":["/", ["/aws/elasticbeanstalk", { "Ref":"AWSEBEnvironmentName" }, "var/log/tomcat8/company.log"]]}`
      log_stream_name = {instance_id}
      file = /var/log/tomcat8/company.*






      amazon-web-services amazon-cloudwatch amazon-elastic-beanstalk






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      edited Nov 14 '18 at 17:06







      Stu

















      asked Nov 14 '18 at 15:25









      StuStu

      4,04031342




      4,04031342
























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