Release Notes

July 2019


  • MetaKube kubeconfig files now use a unique context and username to simplify usage of them.


  • MetaKube dashboard now shows more prominent indicators if a node deployment is outdated.

June 2019


  • MetaKube now supports creating Kubernetes clusters on AWS (regions eu-central-1 and eu-west-1 for now), with full feature parity between clusters on SysEleven Stack and AWS.



  • On OpenStack MetaKube now also supports VMs with CPU:memory ratios of 1:2 and 1:8 in addition to the existing 1:4 flavors (Details)



  • The node deployment editor now automatically detects when a newer OpenStack image is available and allows the user to perform a rolling update

May 2019


  • Kubernetes versions 1.14.2 and 1.13.6 were removed because of a security vulnerability
  • Major network performance and reliability improvements
  • CoreDNS is not logging every dns query anymore


  • Kubernetes version 1.12.9 is now available


  • Updated Helm to 2.14.0
  • When creating a NodeDeployment you can define the taints that should be attached to a node
  • Kubernetes version 1.14.2 is now available


  • Kubernetes versions 1.14.1, 1.14.0, 1.13.6 and 1.12.8 are now available
  • When deleting a MetaKube cluster, you can now choose if you want to delete its OpenStack LoadBalancers or not
  • When creating a NodeDeployment you can define the labels that should be attached to a node
  • When upgrading a MetaKube cluster, you can also automatically update all NodeDeployments to do a rolling update of all nodes
  • The Kubernetes Software Defined Network canal has been updated: calico to 2.6.12 and flannel to 0.11.0. This brings several bugfixes and network performance improvements.
  • Every node in a MetaKube cluster now reserves 200m CPU for system components to not overload the node and increase stability
  • The Kubernetes cluster DNS service has been switched to CoreDNS version 1.3.1
  • Stability improvements when creating the initial NodeDeployment after the creation of a MetaKube cluster
  • Updated metrics-server to 0.3.2
  • When interacting with MachineDeployments, MachineSets and Machines over the kubectl CLI, you can now use the short names md, ms and ma
  • You can now use kubectl scale machinedeployment to easily scale a MachineDeployment over the kubectl CLI
  • An upgrade of a MetaKube cluster is now only available, if the versions of the existing nodes would work together with the new master components version
  • etcd is updated to 3.3.12
  • The NodeDeployment detail page in the MetaKube dashboard now also contains Node related events
  • The name of a project can now be edited
  • Kubernetes master components resource requests, limits and pod affinities have been updated to increase performance and stability

April 2019


  • The Web Terminal access is now restricted to owners and editors
  • The kubeconfig download is now restricted to owners and editors


  • Kubernetes versions 1.12.7 and 1.13.5 are now available
  • We now provide up to date default images for Ubuntu, CoreOS and CentOS, see Supported Operating Systems for details
  • The Web Terminal now contains the alpine coreutils package

March 2019



  • MetaKube clusters can now be created in the second SysEleven OpenStack region cbk




  • Kubernetes versions 1.12.6 and 1.13.4 are now available
  • Disabled all Kubernetes versions before 1.12.6 and 1.13.4 due to a Kubernetes security incident, all existing clusters have been upgraded automatically
  • Updated the backup utility ark to 0.10.1
  • Updated Helm to 2.13.0

February 2019


  • The dashboard shows now the Kernel and Container Runtime Versions of nodes, which makes it easier to see if a node is affected by a security vulnerability


  • Kubernetes versions 1.10.x are not available anymore corresponding to our Supported Versions Matrix
  • You can now add tags to nodes when adding them
  • For new clusters and new nodes in existing clusters, nodes are now wrapped inside of NodeDeployments which makes it possible to trigger rolling updates of nodes within a cluster from the dashboard
  • New nodes now receive Docker 18.9.2 which fixes CVE-2019-5736 in Runc for all new nodes
  • Multiple owners can now be added to one MetaKube project
  • Detailed events for the lifecycle of a node are shown in the dashboard



  • Kubernetes version 1.13.3 is now available

January 2019



  • Kubernetes version 1.12.5 is now available
  • The master service health indicators on the cluster details page now contains all services that are fully managed


  • Kubernetes versions 1.13.1 and 1.13.2 are now available


  • Updated Helm to 2.12.2
  • The cluster details page now comes with a dashboard showing the amount of pods in the cluster and the cpu and memory usage of the worker nodes

December 2018



November 2018






October 2018


  • MetaKube now supports projects to group, maintain and access clusters with multiple users
  • Kubernetes versions 1.10.9, 1.12.1 and 1.12.2 are now available
  • etcd is updated to 3.3.9
  • Updated the backup utility ark to 0.9.9
  • New Ubuntu worker nodes are now using Ubuntu 18.04
  • Kubernetes versions 1.11.* are now disabled due to a bug in kubernetes where nodes will loose their IP addresses


  • Updated the backup utility ark to 0.9.7


  • Kubernetes versions 1.9.11 and 1.10.8 are now available
  • Updated the backup utility ark to 0.9.6

September 2018


  • Clusters now come with Helm already installed and configured. See also Using Helm.




  • Kubernetes versions 1.10.7 and 1.11.3 are now available



  • The default namespace now comes with a LimitRange
    that assigns a default CPU and memory request to pods that do not define one explicitly. See also LimitRange.

August 2018


  • Kubernetes version 1.11.1 and 1.11.2 are now available
  • Clusters now come with managed cross-region cluster backup solution, see Backups
  • Security groups in LoadBalancer services are managed automatically
  • Clusters now come with managed metrics-server which enables Horizontal Pod AutoScaling
  • Cluster creation: Drop-downs instead of free-text input boxes to choose from available floating IP pools, security groups, networks and subnets


  • Kubernetes versions 1.10.6 and 1.9.10 are now available


  • MetaKube is now generally available