Support advanced operator upgrade

[phoracek]

Improve operator upgrades. One of the missing features (in #65) that comes to my mind is possibility to remove objects that are not needed anymore. e.g. when previous version deployed a configmap as a part of component X, but in the new version the configmap is not part of X manifests anymore.

[kubevirt-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

/lifecycle stale

[phoracek]

Still needed. We already have a workaround in our code (removal of old bridge-marker). That would be resolved with this enhancement.

/remove-lifecycle stale

[kubevirt-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

/lifecycle stale

[kubevirt-bot]

Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten.
Rotten issues close after an additional 30d of inactivity.

If this issue is safe to close now please do so with /close.

/lifecycle rotten

[phoracek]

/remove-lifecycle stale
/close

Resolved via #270

[kubevirt-bot]

@phoracek: Closing this issue.

In response to this:

/remove-lifecycle stale
/close

Resolved via #270

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[phoracek]

/remove-lifecycle rotten