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Typhoon

Notable changes between versions.

Latest

v1.8.5

  • Kubernetes v1.8.5
  • Recommend Container Linux images with Docker 17.09
    • Container Linux stable, beta, and alpha now provide Docker 17.09 (instead of 1.12)
    • Older clusters (with CLUO addon) auto-update Container Linux version to begin using Docker 17.09
  • Fix race where etcd-member.service could fail to resolve peers (#69)
  • Add optional cluster_domain_suffix variable (#74)
  • Use kubernetes-incubator/bootkube v0.9.1

Bare-Metal

  • Add kubelet --volume-plugin-dir flag to allow flexvolume providers (#61)

Addons

  • Discourage deploying the Kubernetes Dashboard (security)

v1.8.4

  • Kubernetes v1.8.4
  • Calico related bug fixes
  • Update Calico from v2.6.1 to v2.6.3
  • Update flannel from v0.9.0 to v0.9.1
  • Service accounts for kube-proxy and pod-checkpointer
  • Use kubernetes-incubator/bootkube v0.9.0

v1.8.3

  • Kubernetes v1.8.3
  • Run etcd on-host, across controllers
  • Promote AWS platform to beta
  • Use kubernetes-incubator/bootkube v0.8.2

Google Cloud

  • Add required variable region (e.g. "us-central1")
  • Reduce time to bootstrap a cluster
  • Change etcd to run on-host, across controllers (etcd-member.service)
  • Change controller instances to automatically span zones in the region
  • Change worker managed instance group to automatically span zones in the region
  • Improve internal firewall rules and use tag-based firewall policies
  • Remove support for self-hosted etcd
  • Remove the zone required variable
  • Remove the controller_preemptible optional variable

AWS

  • Promote AWS platform to beta
  • Reduce time to bootstrap a cluster
  • Change etcd to run on-host, across controllers (etcd-member.service)
  • Fix firewall rules for multi-controller kubelet scraping and node-exporter
  • Remove support for self-hosted etcd

Addons

  • Add Prometheus 2.0 addon with alerting rules
  • Add Grafana dashboard for observing metrics

v1.8.2

  • Kubernetes v1.8.2
  • Switch to using the gcr.io/google_containers/hyperkube
  • Update flannel from v0.8.0 to v0.9.0
  • Add hairpinMode to flannel CNI config
  • Add --no-negcache to kube-dns dnsmasq
  • Use kubernetes-incubator/bootkube v0.8.1

v1.8.1

  • Kubernetes v1.8.1
  • Use kubernetes-incubator/bootkube v0.8.0

Digital Ocean

  • Run etcd cluster across controller nodes (etcd-member.service)
  • Remove support for self-hosted etcd
  • Reduce time to bootstrap a cluster

v1.7.7

  • Kubernetes v1.7.7
  • Use kubernetes-incubator/bootkube v0.7.0
  • Update kube-dns to 1.14.5 to fix dnsmasq vulnerability
  • Calico v2.6.1
  • flannel-cni v0.3.0
    • Update flannel CNI config to fix hostPort

v1.7.5

  • Kubernetes v1.7.5
  • Use kubernetes-incubator/bootkube v0.6.2
  • Add AWS Terraform module (alpha)
  • Add support for Calico networking (bare-metal, Google Cloud, AWS)
  • Change networking default from "flannel" to "calico"

AWS

  • Add network_mtu to allow CNI interface MTU customization

Bare-Metal

  • Add network_mtu to allow CNI interface MTU customization
  • Remove support for experimental_self_hosted_etcd

v1.7.3

  • Kubernetes v1.7.3
  • Use kubernetes-incubator/bootkube v0.6.1

Digital Ocean

  • Add cloud firewall rules (requires Terraform v0.10)
  • Change nodes tags from strings to DO tags

v1.7.1

  • Kubernetes v1.7.1
  • Use kubernetes-incubator/bootkube v0.6.0
  • Add Bare-Metal Terraform module (stable)
  • Add Digital Ocean Terraform module (beta)

Google Cloud

  • Remove k8s_domain_name variable, cluster_name + dns_zone resolves to controllers
  • Rename dns_base_zone to dns_zone
  • Rename dns_base_zone_name to dns_zone_name

v1.6.7

  • Kubernetes v1.6.7
  • Use kubernetes-incubator/bootkube v0.5.1

v1.6.6

  • Kubernetes v1.6.6
  • Use kubernetes-incubator/bootkube v0.4.5
  • Disable locksmithd on hosts, in favor of CLUO.

v1.6.4

  • Kubernetes v1.6.4
  • Add Google Cloud Terraform module (stable)

Earlier

Earlier versions, back to v1.3.0, used different designs and mechanisms.