Kubernetes container service: coreos is EOL

[weizhouapache]

On May 26, 2020, CoreOS Container Linux will reach its end of life and will no longer receive updates. We strongly recommend that users begin migrating their workloads to another operating system as soon as possible.

https://coreos.com/os/eol/

ISSUE TYPE

• Improvement Request

COMPONENT NAME

Kubernetes container service

CLOUDSTACK VERSION

4.14/4.15

CONFIGURATION

OS / ENVIRONMENT

SUMMARY

STEPS TO REPRODUCE

EXPECTED RESULTS

ACTUAL RESULTS

[yadvr]

following @Pearl1594 @shwstppr

[yadvr]

We're exploring alternative with https://www.flatcar-linux.org/releases/

[yadvr]

@Pearl1594 may update her findings, we compared FlatCar vs Alpine vs Debian and it may make sense to reuse a Debian based template that's common for systemvm, and CKS host.

[yadvr]

Closing this, we've the PR #4329