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My Elastic Beanstalk container uses container_commands to run a script to patch the database on every deployment.

I run the deployments with a home-brewed script that calls the UpdateEnvironment on the Elastic Beanstalk API.

The problem is, I have no visibility on the output of my container_commands, which is pretty scary during deployment. The only way I can tell if something went wrong is when a command returns a non-zero value: in that case DescribeEvents will report a problem. But still, I have no way to get the actual output of the command.

How can I get my container_commands output after the deployment has finished?

Ideally, with the Elastic Beanstalk API, but any other programmatic way will be fine!

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2 Answers 2

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Not a console view, but it is (now) visible in the logs.

.ebextensions/10-log.config

container_commands:
  05-whoami:
    command: "whoami"

/var/log/cfn-init.log after deployment

2014-07-01 22:08:10,695 [DEBUG] Running command 05-whoami
2014-07-01 22:08:10,695 [DEBUG] Generating defaults for command 05-whoami
2014-07-01 22:08:11,014 [DEBUG] Defaults script for 05-whoami output: {"env":{"EB_REQUEST_ID":"110d0932-016c-11e4-9f71-3fe967c5cd60", [long list of params omitted for brevity]}
2014-07-01 22:08:11,015 [DEBUG] No test for command 05-whoami
2014-07-01 22:08:11,050 [INFO] Command 05-whoami succeeded
2014-07-01 22:08:11,050 [DEBUG] Command 05-whoami output: root
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  • 2
    found mine in /var/log/cfn-init-cmd.log
    – otaku
    Jan 21, 2021 at 16:12
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Reply from the AWS support:

The easiest way to see the output would be to pipe the command or script output to a file using >>. Unfortunately there isn't a live console that can be viewed to show the process live.

So unfortunately there is no way to do that (yet).

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