Container Engine

How can we improve Container Engine?

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  1. Add a delay flag for upgrading container clusters to support smaller clusters.

    When upgrading a smaller container cluster (3 ~ 9) nodes there should be a --delay=timeinseconds option for the 'gcloud container clusters upgrade' command. In smaller clusters destroying and recreating nodes can kill some services in my cluster if the new nodes are not starting the pods as fast as new machines are destroyed and creating. Mostly due to docker pull's which take some time to complete, for example during the last upgrade it nearly got my database cluster down. A simple flag with a delay between node deletion and creation would solve this issue since I can specify a time…

    33 votes
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      0 comments  ·  Flag idea as inappropriate…  ·  Admin →
    • Scale up or down number of machines, machine type in a cluster

      The machine type and number of machines should be editable within a cluster, without deleting and recreating the cluster.

      If a service is given a static IP address, that static ip should be retainable after making changes to the hardware in that cluster.

      31 votes
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        1 comment  ·  Flag idea as inappropriate…  ·  Admin →
      • Offer a "Storage as a Service" (STaaS) solution for Kubernetes and GKE

        Right now everyone has to build their own storage service for GKE and Kubernetes, which is not only painful but goes against the cloud principle where everything is served as a service.

        It would be awesome if devops guys wouldn't have to build their own PV solutions for Kubernetes PVCs.

        25 votes
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          2 comments  ·  Flag idea as inappropriate…  ·  Admin →
        • Add Webhooks to pushes to Google Container Registry

          Hi,
          I was wondering if we could get a success and maybe a failure webhook for the container registry when we push? This way to automate rolling updates on Kubernetes, we can use something like Coreos' Krud or something else that listens to webhooks to trigger rolling updates on Kubernetes. This is particularly valuable if say we rolled our own Kubernetes on GCE, which I did.

          24 votes
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            1 comment  ·  Flag idea as inappropriate…  ·  Admin →
          • Add auto-scaling container clusters

            Container clusters should support auto scaling similar to compute clusters.

            12 votes
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              1 comment  ·  Flag idea as inappropriate…  ·  Admin →
            • Prevent Kubernetes API Outage During Master Upgrade

              Right now, the Kubernetes API becomes unavailable while a master upgrade is happening. This could become very problematic as infrastructure-level components become Kubernetes-native (i.e. they pull from that API to configure themselves), as this means that if one of those components were to fail during the master upgrade and need to be restarted, they will be unable to configure themselves. For example, a component that consumes endpoints from the API for service discovery could be in trouble if it were to fail and be restarted during a master restart.

              11 votes
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                0 comments  ·  Flag idea as inappropriate…  ·  Admin →
              • Container Engine should not only one machine type

                A cluster should have multiple machine type for various purpose (maybe CPU-intensive, memory, IO...). I can use label to select the machine type to match my purpose of pod.

                10 votes
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                  0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                • Container Registry Namespacing

                  Currently the Container Registry WebUI in the Developer Console only displays Images pushed if they reside at the top level of the storage tree. The proposal it to allow the WebUI to also display images is they are organized in a namespacing like structure.

                  Where a push to {project}/web/{image}, {project}/platform/{image}, {project}/ops/{image} properly pushes into the repository the Developer Console displays as if there are not images there.

                  5 votes
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                    1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                  • Firewall rules for Kubernetes Master

                    It would be interesting and will increase the safety of our cluster if we could add firewall rules to the master for the dashboard and API requests.

                    Currently firewall rules only affect computing nodes for containers, not the master.

                    4 votes
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                      0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                    • Add Context Name Flag For `gcloud container clusters get-credentials`

                      Right now, when you run `gcloud container clusters get-credentials`, gcloud will produce a user spec, a cluster spec, and a context spec in `~/.kube/config`, all with long generated names. For the user spec and the cluster spec, that's great: the kubernetes user will mostly be reading these but not typing them, so the important criteria should be uniqueness and that the name make clear where the thing is from. For the context, spec, however, long generated names are a very poor choice: these exist so the user can quickly switch between configuration spaces by typing, for example, `kubectl config use-context…

                      4 votes
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                        0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                      • Suggest features should be linked from the developers console feedback menu

                        This forum should be linked from the developer console's feedback menu, similar to in the compute section

                        4 votes
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                          0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                        • Support IPv6

                          Support IPv6 in a way that we can have IPv6 addresses for external services in Kubernetes. Maybe all the way down into the container, but external facing would be something at least. It's 2017 :) Thanks!

                          3 votes
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                            1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                          • Container engine should accept valid subnet for container address range

                            When provisioning container engine, entering any valid subnet into the container address range causes the build to immediately fail on a regex failure. It appears that the decorative /14 UI element never makes it into the data and cluster.cluster_ipv4_cidr, failing to include the /14.

                            Further, the cli command suggested by the UI appears to not accept the --container_ipv4_cidr parameter in any form, with our without the /14 and seems the --container_ipv4_cidr argument itself is invalid.

                            The 10/8 subnet collides with the far side of a VPN connection and, as we'd already adopted (fortunately) the upper bounds of the 172 range…

                            2 votes
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                              0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                            • For multi-AZ clusters, failure to create a new node due to no capacity in one AZ should retry on another

                              Just ended up in a situation where my cluster was trying to autoscale but couldn't create a new node in zones/asia-east1-c because it didn't have resources available - this caused autoscaling to just give up.

                              However, my cluster spans asia-east1-b and asia-east1-c, and by manually creating a new GCE machine in c I was able to make it work.

                              It'd be good if this was automatic.

                              1 vote
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                                0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                              • Container engine not creating instance template

                                On Nov 6th and 13th, the container engine created an instance template when I created a new cluster. It will not do that now. Why?

                                1 vote
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                                  0 comments  ·  Flag idea as inappropriate…  ·  Admin →
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