On Wednesday, January 28, 2015 at 12:36:14 PM UTC-8, Jingyi Li wrote:
>
> Hi,
>
> I'm working on a task to nightly build our project and deploy it to app
> engine instance. Right now, every time we deployed, we had to manually
> change the default version on app engine instance. Is there a way to
> automatically change the default version to the latest one that is deployed?
>
As long as you don't change index.yaml (which requires a delay for index
rebuilding and thus would make it an error to "automatically change the
default version to the latest one that is deployed") you could use a a
2-line shell script or the like:
appcfg.py <options> update yourapp/
appcfg.py <options> set_default_version yourapp/
The latter uses the version set in yourapp/app.yaml; if that's not good for
you, use the --version flag.
If you do want to update index.yaml, I don't know of a reliable way to
check when the index is done re-building in a fully automated way (as
opposed to manually checking the "Indexes" section of the Admin Console).
If you're using `gcloud`, I think
gcloud preview app modules set-default default
(again possibly with a `--version` flag) is the equivalent of appcfg's
set_default_version. You can set default version on other modules too of
course -- the last arg (of which you can have several) says which modules
you want to affect.
But the index-rebuilding-delay problem, to the best of my knowledge,
doesn't go away by moving from appcfg to gcloud...
Alex
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