[manila-csi-plugin] Support for cloud-config secret

[GlassOfWhiskey]

/kind feature

What happened: All the other OpenStack-related plugins support a cloud-config secret that contains credentials for authentication with the keystone. Conversely, Manila CSI Plugin wants its own format for auth secrets, making it difficult to integrate it with existing Kubernetes-on-Openstack environments (e.g., the Charmed Kubernetes Distribution.

What you expected to happen: it would be easier to mount the same cloud-config secret in all the OpenStack plugins ecosystem, instead of having a different integration path just for Manila. Is it something feasible?

[jichenjc]

I don't know detail of Manila about its secret mgmt if what you said apply to it I agree it's reasonable to update
and Manila used to be done by @gman0 before @GlassOfWhiskey do you want to work on this by submit PR ?

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/lifecycle stale

[GlassOfWhiskey]

/remove-lifecycle stale

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/lifecycle rotten

[gouthampacha]

/remove-lifecycle rotten

[mkjpryor]

+1 for this.

When we deploy Kubernetes, we create one secret containing a clouds.yaml with an application credential inside, then mount that into the Cinder CSI and OCCM pods. I was hoping to do the same for Manila, but this has scuppered me.

It would be less of a problem if Manila didn't require the region to be specified, which should be implicit in the application credential (it is for the other components), although still irritating.

[mdbooth]

I'm also interested in this feature. Without having looked, I doubt Manila genuinely needs Region, btw.

[k8s-triage-robot]

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/lifecycle stale

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/lifecycle rotten

[GlassOfWhiskey]

/remove-lifecycle rotten

[kayrus]

@GlassOfWhiskey at first glance it looks like manila has its own specific set of secrets because csi-controller dynamically passes them to the node controller using CSI spec request.

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/close not-planned

[k8s-ci-robot]

@k8s-triage-robot: Closing this issue, marking it as "Not Planned".

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/close not-planned

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[gouthampacha]

/reopen
/remove-lifecycle rotten

[k8s-ci-robot]

@gouthampacha: Reopened this issue.

In response to this:

/reopen
/remove-lifecycle rotten

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