How to check the status of docker-compose up -d command

python docker docker-compose pexpect
S Andrew picture S Andrew · Feb 14, 2018 · Viewed 9.2k times · Source

When we run docker-compose up-d command to run dockers using docker-compose.yml file, it starts building images or pulling images from the registry. We can see each and every step of this command on the terminal.

I am trying to run this command from a python script. The command starts successfully but after the command, I do not have any idea of how much the process has been completed. Is there any way I can monitor the status of docker-compose up -d command so that script can let the user (who is using the script) know how much the process has completed or if the docker-compose command has failed due to some reasons.?

Thanks

CODE:

from pexpect import pxssh

session = pxssh.pxssh()
if not session.login(ip_address,<USERNAME>, <PASSWORD>):
    print("SSH session failed on login")
    print(str(session))
else:
    print("SSH session login successfull")
    session.sendline("sudo docker-compose up -d")
    session.prompt()
    resp = session.before
    print(resp)

Answer

Muhammad Hassan picture Muhammad Hassan · Feb 14, 2018

You can view docker-compose logs with following ways

  1. Use docker-compose up -d to start all services in detached mode (-d) (you won't see any logs in detached mode)
  2. Use docker-compose logs -f -t to attach yourself to the logs of all running services, whereas -f means you follow the log output and the -t option gives you nice timestamps (Docs)

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