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Add disk_type variable for EBS volume type on AWS #176

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Mar 30, 2018
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Add disk_type variable for EBS volume type on AWS #176

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15 changes: 10 additions & 5 deletions CHANGES.md
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Expand Up @@ -6,17 +6,22 @@ Notable changes between versions.

* Remove unused, unmaintained `pxe-worker` internal module

#### 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.

#### Digital Ocean

* Ensure etcd secrets are only distributed to controller hosts, not workers.
* Remove optional variable `networking`. Only flannel works on Digital Ocean.
* Remove `networking` optional variable. Only flannel works on Digital Ocean.

#### Google Cloud

* Add `disk_size` variable for setting instance disk size in GB
* Add `controller_type` variable for setting machine type for controllers
* Add `worker_type` variable for setting machine type for workers
* Remove optional variable `machine_type`. Use `controller_type` and `worker_type`.
* 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`.

#### Addons

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2 changes: 1 addition & 1 deletion aws/container-linux/kubernetes/controllers.tf
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Expand Up @@ -28,7 +28,7 @@ resource "aws_instance" "controllers" {

# storage
root_block_device {
volume_type = "standard"
volume_type = "${var.disk_type}"
volume_size = "${var.disk_size}"
}

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6 changes: 6 additions & 0 deletions aws/container-linux/kubernetes/variables.tf
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Expand Up @@ -53,6 +53,12 @@ variable "disk_size" {
description = "Size of the EBS volume in GB"
}

variable "disk_type" {
type = "string"
default = "gp2"
description = "Type of the EBS volume (e.g. standard, gp2, io1)"
}

variable "controller_clc_snippets" {
type = "list"
description = "Controller Container Linux Config snippets"
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6 changes: 6 additions & 0 deletions aws/container-linux/kubernetes/workers/variables.tf
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Expand Up @@ -46,6 +46,12 @@ variable "disk_size" {
description = "Size of the EBS volume in GB"
}

variable "disk_type" {
type = "string"
default = "gp2"
description = "Type of the EBS volume (e.g. standard, gp2, io1)"
}

variable "clc_snippets" {
type = "list"
description = "Container Linux Config snippets"
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2 changes: 1 addition & 1 deletion aws/container-linux/kubernetes/workers/workers.tf
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Expand Up @@ -42,7 +42,7 @@ resource "aws_launch_configuration" "worker" {

# storage
root_block_device {
volume_type = "standard"
volume_type = "${var.disk_type}"
volume_size = "${var.disk_size}"
}

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1 change: 1 addition & 0 deletions docs/aws.md
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Expand Up @@ -253,6 +253,7 @@ Reference the DNS zone id with `"${aws_route53_zone.zone-for-clusters.zone_id}"`
| worker_type | EC2 instance type for workers | "t2.small" | See below |
| os_channel | Container Linux AMI channel | stable | stable, beta, alpha |
| disk_size | Size of the EBS volume in GB | "40" | "100" |
| disk_type | Type of the EBS volume | "gp2" | standard, gp2, io1 |
| controller_clc_snippets | Controller Container Linux Config snippets | [] | |
| worker_clc_snippets | Worker Container Linux Config snippets | [] | |
| networking | Choice of networking provider | "calico" | "calico" or "flannel" |
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