From c8e89a4b16c510e26984b4ce1315129498a1a3e4 Mon Sep 17 00:00:00 2001
From: "Dustin C. Hatch" <dustin@hatch.name>
Date: Mon, 18 Jul 2022 18:14:51 -0500
Subject: [PATCH] hosts: Add Kubernetes machines

There is no specific playbook or role for Kubernetes.  All OS
configuration is done at install time via kickstart scripts, and
deploying Kubernetes itself is done (manually) using `kubeadm init` and
`kubeadm join`.
---
 group_vars/k8s-controller.yml |  1 +
 group_vars/k8s-node.yml       |  1 +
 group_vars/kubelet.yml        | 10 ++++++++++
 hosts                         | 16 ++++++++++++++++
 4 files changed, 28 insertions(+)
 create mode 100644 group_vars/k8s-controller.yml
 create mode 100644 group_vars/k8s-node.yml
 create mode 100644 group_vars/kubelet.yml

diff --git a/group_vars/k8s-controller.yml b/group_vars/k8s-controller.yml
new file mode 100644
index 0000000..305e67b
--- /dev/null
+++ b/group_vars/k8s-controller.yml
@@ -0,0 +1 @@
+collectd_processes: '{{ collectd_processes_kubelet + collectd_processes_controller}}'
diff --git a/group_vars/k8s-node.yml b/group_vars/k8s-node.yml
new file mode 100644
index 0000000..a3d2fc4
--- /dev/null
+++ b/group_vars/k8s-node.yml
@@ -0,0 +1 @@
+collectd_processes: '{{ collectd_processes_kubelet }}'
diff --git a/group_vars/kubelet.yml b/group_vars/kubelet.yml
new file mode 100644
index 0000000..cfd491c
--- /dev/null
+++ b/group_vars/kubelet.yml
@@ -0,0 +1,10 @@
+samba_interfaces:
+- '{{ ansible_default_ipv4.interface }}'
+host_uses_firewalld: false
+collectd_processes_kubelet:
+- name: crio
+- name: kubelet
+collectd_processes_controller:
+- name: etcd
+- name: kube-apiserver
+- name: kube-controller
diff --git a/hosts b/hosts
index 3f11389..83747f8 100644
--- a/hosts
+++ b/hosts
@@ -66,6 +66,18 @@ hass2.pyrocufflink.blue
 [jenkins-slave]
 build0-amd64.pyrocufflink.blue
 
+[k8s-controller]
+k8s-ctrl0.pyrocufflink.blue
+
+[k8s-node]
+k8s-amd64-n0.pyrocufflink.blue
+k8s-amd64-n1.pyrocufflink.blue
+k8s-amd64-n2.pyrocufflink.blue
+
+[kubelet:children]
+k8s-controller
+k8s-node
+
 [motioneye]
 
 [named-server:children]
@@ -104,6 +116,10 @@ file0.pyrocufflink.blue
 git0.pyrocufflink.blue
 hass2.pyrocufflink.blue
 jenkins0.pyrocufflink.blue
+k8s-amd64-n0.pyrocufflink.blue
+k8s-amd64-n1.pyrocufflink.blue
+k8s-amd64-n2.pyrocufflink.blue
+k8s-ctrl0.pyrocufflink.blue
 logs0.pyrocufflink.blue
 matrix0.pyrocufflink.blue
 nvr1.pyrocufflink.blue