Behaviour of compute engine startup scripts

[Lance Armah-Abraham (vdc.cloud)]

When using startup scripts, if I were to stop the virtual machine manually  from the console and start it once more, will the startup script re-run? or it only runs when I create the machine?

Anyone with knowledge on this?

[Luke Bayler]

Lance- We have some documentation that might be helpful: https://cloud.google.com/compute/docs/instances/startup-scripts/linux#order_of_execution_of_linux_startup_scripts.

On Fri, Apr 22, 2022 at 2:33 PM Lance Armah-Abraham (vdc.cloud) <la...@vdc.cloud> wrote:

When using startup scripts, if I were to stop the virtual machine manually  from the console and start it once more, will the startup script re-run? or it only runs when I create the machine?

Anyone with knowledge on this?

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[Lance Armah-Abraham (vdc.cloud)]

Hi, thanks for the document link you shared. It does talk about the sequence of executing scripts (ones with startup-script for inline and startup-script-url from gcs).

But this does not answer whether after I stop the compute engine instance and then I start it later, the script (either the startup-script or the startup-script-url) will re-run. Tha'ts what I want to confirm whether it runs each time the instance is started or it only runs the first time the instance is created and not when it's restarted for instance.

[ashok...@google.com]

Startup-script is executed everytime boot is done.