See in-lined comments below, Greg. -----Original Message----- From: Embedded Devel <lists@optimcloud.com> Sent: Tuesday, June 28, 2022 5:01 AM To: StarlingX ML <starlingx-discuss@lists.starlingx.io> Subject: [Starlingx-discuss] docker vs cri-o / centos vs alma / silverblue / coreos [Please note: This e-mail is from an EXTERNAL e-mail address] can i ask if there is a plan to remove docker moving forward in favor of cri-o? as we know k8s 1.24.+ drops docker support unless using the docker-shim
[Greg] StarlingX's default container runtime is containerd (StarlingX switched from docker container runtime to containerd several releases ago ... can't remember exactly ... but quite a while ago. )
There are no specific plans for cri-o container runtime at the moment. It is on StarlingX's wish list of things to investigate
preferably we have already tested and run k8s / openstack-helm via crio so we know it works curious how this applies to starlingx V7 and higher?
[Greg] its containerd runtime for StarlingX R7 and the immediate future
further to that are there plans aside from CentOS to move the rpm base to say Alma or CoreOS or Silverblue even. (both are ostree based) as Ive seen the debian build deploying with ostree onboard? or is the plan to drop rpm based distros long term and just run with debian ?
[Greg] Starlingx is moving to Yocto Kernel, Debian distro delivered with ostree. https://docs.starlingx.io/specs/specs/stx-6.0/approved/starlingx_2008846_deb... https://docs.starlingx.io/specs/specs/stx-6.0/approved/starlingx_2008704_deb...
the specs were written in R6 timeframe, initial work is being done in R7 timeframe, with a Debian Preview (with lots of limitations ... e.g. only the kubernetes platform and not stx-openstack is supported on Debian) is available in R7 ( https://docs.starlingx.io/debian/index-debian-introduction-8eb59cf0a062.html ) NOTE for R7, the CentOS build is still the main StarlingX build StarlingX will be transitioning completely to Debian in R8 timeframe ... i.e. CentOS builds will be removed.
We have deployed magmacore on stx 6.0 and are in the process of upgrading the infrastructure. My curiosities exists as whats the starling X impact going to be long term, as I would like to put all my eggs in this basket.
[Greg]
Good to hear 😊 . The more you can share about your use case (and what capabilities of StarlingX you rely on) the better, so we can make informed decisions on StarlingX's evolution. I'd also encourage you to attend StarlingX Release Meetings, Community Meetings and even PTG meetings in order to understand and provide input on the direction of StarlingX.
Greg.
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