Hmm, this is a bit of a stretch for NodePorts. Why not use a HostPort and update DNS dynamically if/when their VM updates? On Sun, Sep 16, 2018 at 6:30 PM Phạm Huy Hoàng <huyhoang...@gmail.com> wrote: > > Hi Tim, > > Thanks for your reply. I'll explain our uses case below. > > Our uses case is that we provide a service as a Linux VM so that user can SSH > and VNC into that VM. > Each VM is run as a stateful set in GKE cluster. > > For each user, we need to provide expose 2 ports via a service (1 for VNC and > one for SSH). > We do not use LoadBalancer service, because the price of 1 forwarding rule is > ~4-6 USD, that will increase our cost per user to 4-6USD/month. > Therefore, we use nodePort service. Because the port range is 30000-32767, it > means 1 cluster can only serve about ~1400 users. Currently, our user base is > ~500 so it might not be a problem, but it might be in the future. > > My naive solution is to increase the port range so a cluster might be able to > serve more users. If the number of users becomes big enough, maybe we can > consider creating another cluster. > > Thanks. > > On Friday, 14 September 2018 23:46:24 UTC+8, Tim Hockin wrote: >> >> We do not expose that as a parameter today. We can discuss the >> options here, but there's not short answer. Can you talk about what >> you're doing to need so many node ports? >> On Fri, Sep 14, 2018 at 8:27 AM Phạm Huy Hoàng <huyho...@gmail.com> wrote: >> > >> > For our use-case, we need to access a lot of services via NodePort. By >> > default, the NodePort range is 30000-32767. With kubeadm, I can set the >> > port range via --service-node-port-range flag. >> > >> > We are using Google Kubernetes Engine (GKE) cluster. How can I set the >> > port range for a GKE cluster? >> > >> > -- >> > 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. > > -- > 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.
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