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# Typhoon
Notable changes between versions.
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## Latest
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* Kubernetes [v1.10.1 ](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.10.md#v1101 )
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* Enable etcd v3.3 metrics endpoint ([#175 ](https://github.com/poseidon/typhoon/pull/175 ))
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* Use `k8s.gcr.io` instead of `gcr.io/google_containers` ([#180 ](https://github.com/poseidon/typhoon/pull/180 ))
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* Kubernetes [recommends ](https://groups.google.com/forum/#!msg/kubernetes-dev/ytjk_rNrTa0/3EFUHvovCAAJ ) using the alias to pull from the nearest regional mirror and to abstract the backing container registry
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* Update kube-dns from v1.14.8 to v1.14.9
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* Update etcd from v3.3.2 to v3.3.3
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* Use kubernetes-incubator/bootkube v0.12.0
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#### Bare-Metal
* Fix need for multiple `terraform apply` runs to create a cluster with Terraform v0.11.4 ([#181 ](https://github.com/poseidon/typhoon/pull/181 ))
* To SSH during a disk install for debugging, SSH as user "core" with port 2222
* Remove the old trick of using a user "debug" during disk install
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#### Google Cloud
* Refactor out the `controller` internal module
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#### Addons
* Add Prometheus discovery for etcd peers on controller nodes ([#175 ](https://github.com/poseidon/typhoon/pull/175 ))
* Scrape etcd v3.3 `--listen-metrics-urls` for metrics
* Enable etcd alerts and populate the etcd Grafana dashboard
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* Update kube-state-metrics from v1.2.0 to v1.3.0
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## v1.10.0
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* Kubernetes [v1.10.0 ](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.10.md#v1100 )
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* Remove unused, unmaintained `pxe-worker` internal module
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#### AWS
* Add `disk_type` optional variable for setting the EBS volume type ([#176 ](https://github.com/poseidon/typhoon/pull/176 ))
* Change default type from `standard` to `gp2` . Prometheus etcd alerts are tuned for fast disks.
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#### Digital Ocean
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* Ensure etcd secrets are only distributed to controller hosts, not workers.
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* Remove `networking` optional variable. Only flannel works on Digital Ocean.
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#### Google Cloud
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* Add `disk_size` optional variable for setting instance disk size in GB
* Add `controller_type` optional variable for setting machine type for controllers
* Add `worker_type` optional variable for setting machine type for workers
* Remove `machine_type` optional variable. Use `controller_type` and `worker_type` .
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#### Addons
* Update Grafana from v4.6.3 to v5.0.4 ([#153 ](https://github.com/poseidon/typhoon/pull/153 ), [#174 ](https://github.com/poseidon/typhoon/pull/174 ))
* Restrict dashboard organization role to Viewer
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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 )
* Update Calico from v3.0.3 to v3.0.4
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#### Addons
* 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 )
* 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 ))
* Validate and additively merge custom Container Linux Configs during `terraform plan`
* Define files, systemd units, dropins, networkd configs, mounts, users, and more
* 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
* [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!)
#### Digital Ocean
* [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!)
#### Google Cloud
* [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 v0.11.0
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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 ))
* Replace the apiserver elastic load balancer with a network load balancer ([#136 ](https://github.com/poseidon/typhoon/pull/136 ))
* 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 ))
* 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
* 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 ))
* 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)
* 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
* 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 ))
* Use separate service account
* 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
* 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
* 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 ))
* 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
* Relabel discovered kubelet, endpoint, service, and apiserver scrapes
* Use separate service accounts
* 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
* 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
* 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
* Add explicit "providers" section to modules for Terraform v0.11.x
* 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
* Use separate service account for kube-dns
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* Use kubernetes-incubator/bootkube v0.10.0
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#### Bare-Metal
* Use per-node Container Linux install profiles ([#97 ](https://github.com/poseidon/typhoon/pull/97 ))
* Allow Container Linux channel/version to be chosen per-cluster
* Fix issue where cluster deletion could require `terraform apply` multiple times
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#### Digital Ocean
* 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
* Update CLUO to v0.5.0 to fix compatibility with Kubernetes 1.9 (**important**)
* 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 ))
* Update kube-state-metrics from v1.1.0 to v1.2.0
* 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
* Update etcd from 3.2.0 to 3.2.13
* Update Calico from v2.6.4 to v2.6.5
* 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 )
* 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)
* 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
* Add kubelet `--volume-plugin-dir` flag to allow flexvolume providers ([#61 ](https://github.com/poseidon/typhoon/pull/61 ))
#### 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
* Calico related bug fixes
* Update Calico from v2.6.1 to v2.6.3
* Update flannel from v0.9.0 to v0.9.1
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* Service accounts for kube-proxy and pod-checkpointer
* 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
* Promote AWS platform to beta
* 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
* 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
* 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
* 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
* 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
* Add Prometheus 2.0 addon with alerting rules
* Add Grafana dashboard for observing metrics
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## 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
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* Use kubernetes-incubator/bootkube v0.8.1
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## v1.8.1
* Kubernetes v1.8.1
* Use kubernetes-incubator/bootkube v0.8.0
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#### Digital Ocean
* Run etcd cluster across controller nodes (etcd-member.service)
* Remove support for self-hosted etcd
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* Reduce time to bootstrap a cluster
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## 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
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## v1.7.5
* Kubernetes v1.7.5
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* Use kubernetes-incubator/bootkube v0.6.2
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* 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
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* Remove support for `experimental_self_hosted_etcd`
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## v1.7.3
* Kubernetes v1.7.3
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* Use kubernetes-incubator/bootkube v0.6.1
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#### 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
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* Use kubernetes-incubator/bootkube v0.6.0
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* 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
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* Use kubernetes-incubator/bootkube v0.5.1
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## v1.6.6
* Kubernetes v1.6.6
2017-12-09 09:26:26 -08:00
* Use kubernetes-incubator/bootkube v0.4.5
2017-09-23 13:02:18 -07:00
* 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.
