Question:
I execute a shell: docker ps ... task in some of my playbooks. This normally works but sometimes the docker daemon hangs and docker ps does not return for ~2 hours.
How can I configure Ansible to timeout in a reasonable amount of time if docker ps does not return?
Answer:
There is no timeout-for-a-task-functionality implemented in Ansible.
You can try a workaround using asynchronous call, but for this case (clearly a kind of a bug) relying on the system might be easier and more appropriate.
See the GNU timeout command (if you run Docker, chances are the command is present on your OS):
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shell: timeout 5m docker ps ... |