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Support Container Linux Config snippets on bare-metal

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This commit is contained in:
Dalton Hubble
2018-07-25 22:44:07 -07:00
parent ec5ea51141
commit 4e7dfc115d
5 changed files with 104 additions and 4 deletions
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24
docs/advanced/customization.md
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@ -69,7 +69,7 @@ View the Container Linux Config [format](https://coreos.com/os/docs/1576.4.0/con
Write Container Linux Configs *snippets* as files in the repository where you keep Terraform configs for clusters (perhaps in a `clc` or `snippets` subdirectory). You may organize snippets in multiple files as desired, provided they are each valid.
Define an [AWS](https://typhoon.psdn.io/aws/#cluster), [Google Cloud](https://typhoon.psdn.io/google-cloud/#cluster), or [Digital Ocean](https://typhoon.psdn.io/digital-ocean/#cluster) cluster and fill in the optional `controller_clc_snippets` or `worker_clc_snippets` fields.
For [AWS](https://typhoon.psdn.io/aws/#cluster), [Google Cloud](https://typhoon.psdn.io/google-cloud/#cluster), or [Digital Ocean](https://typhoon.psdn.io/digital-ocean/#cluster) clusters, define the optional `controller_clc_snippets` or `worker_clc_snippets` list variables.
```
module "digital-ocean-nemo" {
@ -89,6 +89,28 @@ module "digital-ocean-nemo" {
}
```
Bare-Metal clusters allow different Container Linux snippets to be used for each node (since hardware may be heterogeneous). Define the optional `controller_clc_snippets` and `worker_clc_snippets` map variables using controller or worker keys.
```
module "bare-metal-mercury" {
...
worker_names = [
"node2",
"node3",
]
worker_clc_snippets = {
"node2" = [
"${file("./units/hello.yaml")}"
]
"node3" = [
"${file("./units/world.yaml")}",
"${file("./units/hello.yaml")}",
]
}
...
}
```
Plan the resources to be created.
```

12
docs/cl/bare-metal.md
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@ -12,7 +12,7 @@ Controllers are provisioned to run an `etcd-member` peer and a `kubelet` service
* PXE-enabled [network boot](https://coreos.com/matchbox/docs/latest/network-setup.html) environment
* Matchbox v0.6+ deployment with API enabled
* Matchbox credentials `client.crt`, `client.key`, `ca.crt`
* Terraform v0.11.x and [terraform-provider-matchbox](https://github.com/coreos/terraform-provider-matchbox) installed locally
* Terraform v0.11.x, [terraform-provider-matchbox](https://github.com/coreos/terraform-provider-matchbox), and [terraform-provider-ct](https://github.com/coreos/terraform-provider-ct) installed locally
## Machines
@ -121,6 +121,14 @@ tar xzf terraform-provider-matchbox-v0.2.2-linux-amd64.tar.gz
sudo mv terraform-provider-matchbox-v0.2.2-linux-amd64/terraform-provider-matchbox /usr/local/bin/
```
Add the [terraform-provider-ct](https://github.com/coreos/terraform-provider-ct) plugin binary for your system.
```sh
wget https://github.com/coreos/terraform-provider-ct/releases/download/v0.2.1/terraform-provider-ct-v0.2.1-linux-amd64.tar.gz
tar xzf terraform-provider-ct-v0.2.1-linux-amd64.tar.gz
sudo mv terraform-provider-ct-v0.2.1-linux-amd64/terraform-provider-ct /usr/local/bin/
```
Add the plugin to your `~/.terraformrc`.
```
@ -373,6 +381,8 @@ Check the [variables.tf](https://github.com/poseidon/typhoon/blob/master/bare-me
| install_disk | Disk device where Container Linux should be installed | "/dev/sda" | "/dev/sdb" |
| networking | Choice of networking provider | "calico" | "calico" or "flannel" |
| network_mtu | CNI interface MTU (calico-only) | 1480 | - |
| controller_clc_snippets | Map from controller names to lists of Container Linux Config snippets | {} | |
| worker_clc_snippets | Map from worker names to lists of Container Linux Config snippets | {} | |
| network_ip_autodetection_method | Method to detect host IPv4 address (calico-only) | first-found | can-reach=10.0.0.1 |
| pod_cidr | CIDR IPv4 range to assign to Kubernetes pods | "10.2.0.0/16" | "10.22.0.0/16" |
| service_cidr | CIDR IPv4 range to assign to Kubernetes services | "10.3.0.0/16" | "10.3.0.0/24" |