On Thursday, 24 August 2017 23:19:03 UTC+3, Matthias Rampke wrote: > We run HA etcd, apiserver and controllers. What has worked well so far: > > - keep etcd upgrades separate > > -- Follow the etcd docs for that > > -- never skip a minor version > > -- just rolling upgrade, once the last etcd is upgraded there is no way back > > - for Kubernetes upgrades > > -- apiserver first > > --- be careful about etcdv3 vs. v2, if you're starting now probably not an > issue (you're already on v3) > > --- just rolling upgrade, don't run different versions for too long > > -- next, scheduler and controller manager > > I wrote a handful of scripts that solve this for our specific case, you'll > need to do the same. I my opinion, running HA apiservers and etcd is not for > you if you want things to just work; it is possible but there is no ready > made tooling for it because the benefits for most use cases are slim. > > /MR > > > > On Thu, Aug 24, 2017, 21:44 <petar....@leanplum.com> wrote: > Hey, > > > > I want to setup a HA Kubernetes cluster in GCE. > > So far what I've used is kube-up.sh and was able to setup a 3 master cluster > with masters (and workers) in different zones. > > > > Basically followed: > > https://kubernetes.io/docs/tasks/administer-cluster/highly-available-master/ > > http://blog.kubernetes.io/2017/02/highly-available-kubernetes-clusters.html > > > > > > My question is: How do I upgrade the cluster later without downtime? > > > > upgrade.sh > (https://github.com/kubernetes/kubernetes/blob/master/cluster/gce/upgrade.sh) > then doesn't like that my master is replicated. > > > > So what's the expected workflow? Do I need to remove the replicas, upgrade > and then create the replicas again? > > > > Also how do I modify the system resources which are marked "reconcile"? > > > > Thanks! > > > > -- > > You received this message because you are subscribed to the Google Groups > "Kubernetes user discussion and Q&A" group. > > To unsubscribe from this group and stop receiving emails from it, send an > email to kubernetes-use...@googlegroups.com. > > To post to this group, send email to kubernet...@googlegroups.com. > > Visit this group at https://groups.google.com/group/kubernetes-users. > > For more options, visit https://groups.google.com/d/optout.
Nice! Do you do the initial cluster setup using kube-up.sh? Or do you use a custom set of scripts? -- You received this message because you are subscribed to the Google Groups "Kubernetes user discussion and Q&A" group. To unsubscribe from this group and stop receiving emails from it, send an email to kubernetes-users+unsubscr...@googlegroups.com. To post to this group, send email to kubernetes-users@googlegroups.com. Visit this group at https://groups.google.com/group/kubernetes-users. For more options, visit https://groups.google.com/d/optout.
