[nginx-ingress-controller] Feature request: enable session stickiness per-ingress

[emmanuel]

We are currently using the ingress-global session stickiness, but have apps with different needs and would like to be able to utilize stickiness on specific ingresses. Based on the other annotation-based configurations that are available per-ingress, it looks like this is not a huge change, since the capability to configure upstreams per-ingress is already present. WDYT?

[aledbf]

@emmanuel already present in the TODO List :)

[emmanuel]

Wahoo! Thanks @aledbf. Man, you are fast!

[Jno21]

Hello, could we have an update on this feature ? :)

Thanks !

[aledbf]

@emmanuel @Jno21 please check new release here where the feature was introduced.

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