Improve Deployment Scripts

[davidz627]

• Make GCP service account token file user configuratable
• Figure out actual minimal permissions set required for GCP service account
• Make namespace configurable

[davidz627]

Ideally the user can run 1 script for an End to End deployment, that checks whether things (service account, role bindings, json keys) already exist, and if not, creates them, then is able to deploy the driver. And maybe even clean up the key from the machine afterwards.

[davidz627]

/cc @msau42 Does this seem like a reasonable thing to do ^

[msau42]

Sure sounds reasonable

[davidz627]

GCP Service Account token file directory configurable: #81
Minimal permissions: #73

Still todo:

• Make namespace configurable

[saad-ali]

Should the default namespace be default? Or would it be better to have a GCE PD specific namespace?

[msau42]

Better to have a special namespace just for the driver

[fejta-bot]

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[davidz627]

/remove-lifecycle stale
/lifecycle frozen

[davidz627]

namespace shouldn't be configurable, actually will just be set directly