Support multi-watch

[kubernetes-client]

Support multi-watch

[thxCode]

@mbohlool , is there any process in this issue?

[mbohlool]

The issue needs community support. I have limited time and will assign it to myself when I got a chance to work on this.

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[dgvigil]

This is still a valid feature request for the community. Commenting to keep it alive.

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[k8s-ci-robot]

@fejta-bot: Closing this issue.

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[mml]

/reopen

[k8s-ci-robot]

@mml: Reopened this issue.

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/reopen

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[dgvigil]

/remove-lifecycle rotten

[sebastian-philipp]

AFAICS, this is not trivial. kubernetes.client.api_client.ApiClient#__call_api is blocking.To this make any sense, a solution needs to use fewer threads than the number of watchers.

Then we need an event loop or something similar. Maybe urllib3/urllib3#1323 ?
Therefore we cannot use kubernetes.client.api_client.ApiClient#call_api as it is.

Hm.

[cliffburdick]

@sebastian-philipp is this something that can possibly leverage some of the asyncio work done on the kopf project?

https://github.com/zalando-incubator/kopf/tree/master/kopf

I think internally it does multiple watches on the API server using asyncio.

[sebastian-philipp]

Possibly?

[cliffburdick]

Possibly?

Sorry, I meant to tag @mbohlool

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[k8s-ci-robot]

@fejta-bot: Closing this issue.

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