Hello all!
Trying to build an OShift configuration for running a Java app with a
Wildfly server.
I've setup this with ChainBuilds where the app's artifacts are combined
with a runtime image of Wildfly.
For this particular app, however, I need to do some configuration on the
Wildfly environment, so that the app is properly deployed and works.
- update a server module (grabbing the contents from the web and copying
them in the right location inside Wildfly)
- add system properties and some other configuration to Wildfly's
standalone.xml configuration file
- create some directory structure
I've tried to run all this with the Recreate deployment starategy and as
a mid-hook procedure (so the previous deployment pod is scaled down),
but all these changes aren't reflected in the actual(new) deployment pod.
Taking a closer look at the docs, I've found this line "Pod-based
lifecycle hooks execute hook code in a new pod derived from the template
in a deployment configuration."
So whatever I'm doing in my hook, is actually done in a different pod,
the hook pod, and not in the actual deployment pod. Did I understand
this correctly?
If so, how does the injection work here? Does it have to do with the
fact that the deployment _has to have_ persistent volumes? So the hooks
actually do changes inside a volume that will be mounted with the
deployment pod too...
Thank you!
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