318 lines
13 KiB
Markdown
318 lines
13 KiB
Markdown
# Typhoon
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Notable changes between versions.
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## Latest
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## v1.9.6
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* Kubernetes [v1.9.6](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.9.md#v196)
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* Update Calico from v3.0.3 to v3.0.4
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#### Addons
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* Update heapster from v1.5.1 to v1.5.2
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## v1.9.5
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* Kubernetes [v1.9.5](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.9.md#v195)
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* Fix `subPath` volume mounts regression ([kubernetes#61076](https://github.com/kubernetes/kubernetes/issues/61076))
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* Introduce [Container Linux Config snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) on cloud platforms ([#145](https://github.com/poseidon/typhoon/pull/145))
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* Validate and additively merge custom Container Linux Configs during `terraform plan`
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* Define files, systemd units, dropins, networkd configs, mounts, users, and more
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* Require updating `terraform-provider-ct` plugin from v0.2.0 to v0.2.1
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* Add `node-role.kubernetes.io/controller="true"` node label to controllers ([#160](https://github.com/poseidon/typhoon/pull/160))
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#### AWS
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* [Require](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/coreos/terraform-provider-ct/releases/tag/v0.2.1) (action required!)
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#### Digital Ocean
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* [Require](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/coreos/terraform-provider-ct/releases/tag/v0.2.1) (action required!)
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#### Google Cloud
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* [Require](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/coreos/terraform-provider-ct/releases/tag/v0.2.1) (action required!)
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* Relax `os_image` to optional. Default to "coreos-stable".
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#### Addons
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* Update nginx-ingress from 0.11.0 to 0.12.0
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* Update Prometheus from 2.2.0 to 2.2.1
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## v1.9.4
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* Kubernetes [v1.9.4](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.9.md#v194)
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* Secret, configMap, downward API, and projected volumes now read-only (breaking, [kubernetes#58720](https://github.com/kubernetes/kubernetes/pull/58720))
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* Regressed `subPath` volume mounts (regression, [kubernetes#61076](https://github.com/kubernetes/kubernetes/issues/61076))
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* Mitigated `subPath` [CVE-2017-1002101](https://github.com/kubernetes/kubernetes/issues/60813)
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* Introduce [worker pools](https://typhoon.psdn.io/advanced/worker-pools/) for AWS and Google Cloud for joining heterogeneous workers to existing clusters.
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* Use new Network Load Balancers and cross zone load balancing on AWS
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* Allow flexvolume plugins to be used on any Typhoon cluster (not just bare-metal)
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* Upgrade etcd from v3.2.15 to v3.3.2
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* Update Calico from v3.0.2 to v3.0.3
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* Use kubernetes-incubator/bootkube v0.10.0
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* [Recommend](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/coreos/terraform-provider-ct/releases/tag/v0.2.1) (action recommended)
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#### AWS
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* Promote AWS platform to stable
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* Allow groups of workers to be defined and joined to a cluster (i.e. worker pools) ([#150](https://github.com/poseidon/typhoon/pull/150))
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* Replace the apiserver elastic load balancer with a network load balancer ([#136](https://github.com/poseidon/typhoon/pull/136))
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* Replace the Ingress elastic load balancer with a network load balancer ([#141](https://github.com/poseidon/typhoon/pull/141))
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* AWS [NLBs](https://aws.amazon.com/blogs/aws/new-network-load-balancer-effortless-scaling-to-millions-of-requests-per-second/) can handle millions of RPS with high throughput and low latency.
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* Require `terraform-provider-aws` 1.7.0 or higher
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* Enable NLB [cross-zone](https://aws.amazon.com/about-aws/whats-new/2018/02/network-load-balancer-now-supports-cross-zone-load-balancing/) load balancing ([#159](https://github.com/poseidon/typhoon/pull/159))
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* Requests are automatically evenly distributed to targets regardless of AZ
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* Require `terraform-provider-aws` 1.11.0 or higher
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* Add kubelet `--volume-plugin-dir` flag to allow flexvolume plugins ([#142](https://github.com/poseidon/typhoon/pull/142))
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* Fix controller and worker launch configs to ignore AMI changes ([#126](https://github.com/poseidon/typhoon/pull/126), [#158](https://github.com/poseidon/typhoon/pull/158))
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#### Digital Ocean
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* Add kubelet `--volume-plugin-dir` flag to allow flexvolume plugins ([#142](https://github.com/poseidon/typhoon/pull/142))
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* Fix to pass `ssh_fingerprints` as a list to droplets ([#143](https://github.com/poseidon/typhoon/pull/143))
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#### Google Cloud
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* Allow groups of workers to be defined and joined to a cluster (i.e. worker pools) ([#148](https://github.com/poseidon/typhoon/pull/148))
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* Add kubelet `--volume-plugin-dir` flag to allow flexvolume plugins ([#142](https://github.com/poseidon/typhoon/pull/142))
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* Add `kubeconfig` variable to `controllers` and `workers` submodules ([#147](https://github.com/poseidon/typhoon/pull/147))
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* Remove `kubeconfig_*` variables from `controllers` and `workers` submodules ([#147](https://github.com/poseidon/typhoon/pull/147))
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* Allow initial experimentation with accelerators (i.e. GPUs) on workers ([#161](https://github.com/poseidon/typhoon/pull/161)) (unofficial)
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* Require `terraform-provider-google` v1.6.0
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#### Addons
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* Update Prometheus from 2.1.0 to 2.2.0 ([#153](https://github.com/poseidon/typhoon/pull/153))
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* Scrape Prometheus itself to enable alerts about Prometheus itself
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* Adjust KubeletDown rule to fire when 10% of kubelets are down
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* Update heapster from v1.5.0 to v1.5.1 ([#131](https://github.com/poseidon/typhoon/pull/131))
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* Use separate service account
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* Update nginx-ingress from 0.10.2 to 0.11.0
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## v1.9.3
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* Kubernetes [v1.9.3](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.9.md#v193)
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* Network improvements and fixes ([#104](https://github.com/poseidon/typhoon/pull/104))
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* Switch from Calico v2.6.6 to v3.0.2
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* Add Calico GlobalNetworkSet CRD
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* Update flannel from v0.9.0 to v0.10.0
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* Use separate service account for flannel
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* Update etcd from v3.2.14 to v3.2.15
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#### Digital Ocean
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* Use new Droplet [types](https://developers.digitalocean.com/documentation/changelog/api-v2/new-size-slugs-for-droplet-plan-changes/) which offer more CPU/memory, at lower cost. ([#105](https://github.com/poseidon/typhoon/pull/105))
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* A small Digital Ocean cluster costs less than $25 a month!
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#### Addons
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* Update Prometheus from v2.0.0 to v2.1.0 ([#113](https://github.com/poseidon/typhoon/pull/113))
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* Improve alerting rules
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* Relabel discovered kubelet, endpoint, service, and apiserver scrapes
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* Use separate service accounts
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* Update node-exporter and kube-state-metrics
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* Include Grafana dashboards for Kubernetes admins ([#113](https://github.com/poseidon/typhoon/pull/113))
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* Add grafana-watcher to load bundled upstream dashboards
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* Update nginx-ingress from 0.9.0 to 0.10.2
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* Update CLUO from v0.5.0 to v0.6.0
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* Switch manifests to use `apps/v1` Deployments and Daemonsets ([#120](https://github.com/poseidon/typhoon/pull/120))
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* Remove Kubernetes Dashboard manifests ([#121](https://github.com/poseidon/typhoon/pull/121))
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## v1.9.2
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* Kubernetes [v1.9.2](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.9.md#v192)
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* Add Terraform v0.11.x support
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* Add explicit "providers" section to modules for Terraform v0.11.x
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* Retain support for Terraform v0.10.4+
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* Add [migration guide](https://typhoon.psdn.io/topics/maintenance/#terraform-v011x) from Terraform v0.10.x to v0.11.x (**action required!**)
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* Update etcd from 3.2.13 to 3.2.14
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* Update calico from 2.6.5 to 2.6.6
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* Update kube-dns from v1.14.7 to v1.14.8
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* Use separate service account for kube-dns
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* Use kubernetes-incubator/bootkube v0.10.0
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#### Bare-Metal
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* Use per-node Container Linux install profiles ([#97](https://github.com/poseidon/typhoon/pull/97))
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* Allow Container Linux channel/version to be chosen per-cluster
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* Fix issue where cluster deletion could require `terraform apply` multiple times
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#### Digital Ocean
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* Relax `digitalocean` provider version constraint
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* Fix bug with `terraform plan` always showing a firewall diff to be applied ([#3](https://github.com/poseidon/typhoon/issues/3))
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#### Addons
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* Update CLUO to v0.5.0 to fix compatibility with Kubernetes 1.9 (**important**)
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* Earlier versions can't roll out Container Linux updates on Kubernetes 1.9 nodes ([cluo#163](https://github.com/coreos/container-linux-update-operator/issues/163))
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* Update kube-state-metrics from v1.1.0 to v1.2.0
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* Fix RBAC cluster role for kube-state-metrics
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## v1.9.1
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* Kubernetes [v1.9.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.9.md#v191)
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* Update kube-dns from 1.14.5 to v1.14.7
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* Update etcd from 3.2.0 to 3.2.13
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* Update Calico from v2.6.4 to v2.6.5
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* Enable portmap to fix hostPort with Calico
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* Use separate service account for controller-manager
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## v1.8.6
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* Kubernetes [v1.8.6](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.8.md#v186)
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* Update Calico from v2.6.3 to v2.6.4
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## v1.8.5
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* Kubernetes [v1.8.5](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.8.md#v185)
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* Recommend Container Linux [images](https://coreos.com/releases/) with Docker 17.09
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* Container Linux stable, beta, and alpha now provide Docker 17.09 (instead
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of 1.12)
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* Older clusters (with CLUO addon) auto-update Container Linux version to begin using Docker 17.09
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* Fix race where `etcd-member.service` could fail to resolve peers ([#69](https://github.com/poseidon/typhoon/pull/69))
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* Add optional `cluster_domain_suffix` variable (#74)
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* Use kubernetes-incubator/bootkube v0.9.1
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#### Bare-Metal
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* Add kubelet `--volume-plugin-dir` flag to allow flexvolume providers ([#61](https://github.com/poseidon/typhoon/pull/61))
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#### Addons
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* Discourage deploying the Kubernetes Dashboard (security)
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## v1.8.4
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* Kubernetes v1.8.4
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* Calico related bug fixes
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* Update Calico from v2.6.1 to v2.6.3
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* Update flannel from v0.9.0 to v0.9.1
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* Service accounts for kube-proxy and pod-checkpointer
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* Use kubernetes-incubator/bootkube v0.9.0
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## v1.8.3
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* Kubernetes v1.8.3
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* Run etcd on-host, across controllers
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* Promote AWS platform to beta
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* Use kubernetes-incubator/bootkube v0.8.2
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#### Google Cloud
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* Add required variable `region` (e.g. "us-central1")
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* Reduce time to bootstrap a cluster
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* Change etcd to run on-host, across controllers (etcd-member.service)
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* Change controller instances to automatically span zones in the region
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* Change worker managed instance group to automatically span zones in the region
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* Improve internal firewall rules and use tag-based firewall policies
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* Remove support for self-hosted etcd
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* Remove the `zone` required variable
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* Remove the `controller_preemptible` optional variable
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#### AWS
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* Promote AWS platform to beta
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* Reduce time to bootstrap a cluster
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* Change etcd to run on-host, across controllers (etcd-member.service)
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* Fix firewall rules for multi-controller kubelet scraping and node-exporter
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* Remove support for self-hosted etcd
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#### Addons
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* Add Prometheus 2.0 addon with alerting rules
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* Add Grafana dashboard for observing metrics
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## v1.8.2
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* Kubernetes v1.8.2
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* Fixes a memory leak in the v1.8.1 apiserver ([kubernetes#53485](https://github.com/kubernetes/kubernetes/issues/53485))
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* Switch to using the `gcr.io/google_containers/hyperkube`
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* Update flannel from v0.8.0 to v0.9.0
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* Add `hairpinMode` to flannel CNI config
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* Add `--no-negcache` to kube-dns dnsmasq
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* Use kubernetes-incubator/bootkube v0.8.1
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## v1.8.1
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* Kubernetes v1.8.1
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* Use kubernetes-incubator/bootkube v0.8.0
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#### Digital Ocean
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* Run etcd cluster across controller nodes (etcd-member.service)
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* Remove support for self-hosted etcd
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* Reduce time to bootstrap a cluster
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## v1.7.7
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* Kubernetes v1.7.7
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* Use kubernetes-incubator/bootkube v0.7.0
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* Update kube-dns to 1.14.5 to fix dnsmasq [vulnerability](https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html)
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* Calico v2.6.1
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* flannel-cni v0.3.0
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* Update flannel CNI config to fix hostPort
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## v1.7.5
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* Kubernetes v1.7.5
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* Use kubernetes-incubator/bootkube v0.6.2
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* Add AWS Terraform module (alpha)
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* Add support for Calico networking (bare-metal, Google Cloud, AWS)
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* Change networking default from "flannel" to "calico"
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#### AWS
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* Add `network_mtu` to allow CNI interface MTU customization
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#### Bare-Metal
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* Add `network_mtu` to allow CNI interface MTU customization
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* Remove support for `experimental_self_hosted_etcd`
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## v1.7.3
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* Kubernetes v1.7.3
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* Use kubernetes-incubator/bootkube v0.6.1
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#### Digital Ocean
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* Add cloud firewall rules (requires Terraform v0.10)
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* Change nodes tags from strings to DO tags
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## v1.7.1
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* Kubernetes v1.7.1
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* Use kubernetes-incubator/bootkube v0.6.0
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* Add Bare-Metal Terraform module (stable)
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* Add Digital Ocean Terraform module (beta)
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#### Google Cloud
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* Remove `k8s_domain_name` variable, `cluster_name` + `dns_zone` resolves to controllers
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* Rename `dns_base_zone` to `dns_zone`
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* Rename `dns_base_zone_name` to `dns_zone_name`
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## v1.6.7
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* Kubernetes v1.6.7
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* Use kubernetes-incubator/bootkube v0.5.1
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## v1.6.6
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* Kubernetes v1.6.6
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* Use kubernetes-incubator/bootkube v0.4.5
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* Disable locksmithd on hosts, in favor of [CLUO](https://github.com/coreos/container-linux-update-operator).
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## v1.6.4
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* Kubernetes v1.6.4
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* Add Google Cloud Terraform module (stable)
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## Earlier
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Earlier versions, back to v1.3.0, used different designs and mechanisms.
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