typhoon/CHANGES.md

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# Typhoon
Notable changes between versions.
## Latest
* All platforms run etcd on-host, across controllers
* AWS platform promoted to beta
#### 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
* 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
## v1.8.2
* Kubernetes v1.8.2
* Fixes a memory leak in the v1.8.1 apiserver ([kubernetes#53485](https://github.com/kubernetes/kubernetes/issues/53485))
* 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](https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html)
* 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 kubernete-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 kubernete-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 kubernete-incubator/bootkube v0.5.1
## v1.6.6
* Kubernetes v1.6.6
* Use kubernete-incubator/bootkube v0.4.5
* Disable locksmithd on hosts, in favor of [CLUO](https://github.com/coreos/container-linux-update-operator).
## 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.