Shutdown scripts do not work on GCP images

[Steve Wills]

Hi,

On 3/25/20 12:36 PM, Ed Maste wrote:
> As reported in Cirrus-CI's issue tracker[1] it looks like shutdown
> scripts on our GCP images just don't work. This results in spurious
> false failures in Cirrus-CI.
> 
> Quoting from the report:
>> Cirrus CI also relies on shutdown script to detect preeptions: if
>> shutdown script is executed before while task is still executing
>> that mean that something from the outside killed it e.g. potential
>> preemtion.
> 
> Where does the shutdown script come from?

I believe from sysutils/py-google-compute-engine. I can try to take a look.

Steve