From c09b07327b688a6a47f523a15c1a5c29d4f476d0 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sat, 7 May 2022 22:45:49 +0200
Subject: k8s: rename masters to control-plane nodes

---
 common/kubernetes-cluster-cleanup.yml |  2 +-
 common/kubernetes-cluster-layout.yml  | 30 +++++++++++++++---------------
 common/kubernetes-cluster.yml         | 18 +++++++++---------
 3 files changed, 25 insertions(+), 25 deletions(-)

(limited to 'common')

diff --git a/common/kubernetes-cluster-cleanup.yml b/common/kubernetes-cluster-cleanup.yml
index 5647e3d6..87e59d31 100644
--- a/common/kubernetes-cluster-cleanup.yml
+++ b/common/kubernetes-cluster-cleanup.yml
@@ -1,6 +1,6 @@
 ---
 - name: check for nodes to be removed
-  hosts: _kubernetes_primary_master_
+  hosts: _kubernetes_primary_controlplane_node_
   tasks:
   - name: fetch list of current nodes
     command: kubectl get nodes -o name
diff --git a/common/kubernetes-cluster-layout.yml b/common/kubernetes-cluster-layout.yml
index bd972a6d..31751a8d 100644
--- a/common/kubernetes-cluster-layout.yml
+++ b/common/kubernetes-cluster-layout.yml
@@ -5,20 +5,20 @@
   gather_facts: no
   run_once: yes
   tasks:
-  - name: sanity check - fail if masters are not included in nodes
+  - name: sanity check - fail if control-plane nodes are not included in node group
     assert:
-      msg: "the cluster node group '{{ kubernetes_cluster_layout.nodes_group }}' must include *all* nodes (master and non-master)"
-      that: kubernetes_cluster_layout.masters | difference(ansible_play_hosts_all) | length == 0
+      msg: "the cluster node group '{{ kubernetes_cluster_layout.nodes_group }}' must include *all* nodes (control-plane and worker)"
+      that: kubernetes_cluster_layout.controlplane_nodes | difference(ansible_play_hosts_all) | length == 0
 
-  - name: sanity check - fail if primary master is not in masters
+  - name: sanity check - fail if primary control-group node is not in control-group node list
     assert:
-      msg: "kubernetes_cluster_layout.masters must include kubernetes_cluster_layout.primary_master"
-      that: kubernetes_cluster_layout.primary_master is undefined or kubernetes_cluster_layout.primary_master in kubernetes_cluster_layout.masters
+      msg: "kubernetes_cluster_layout.controlplane_nodes must include kubernetes_cluster_layout.primary_controlplane_node"
+      that: kubernetes_cluster_layout.primary_controlplane_node is undefined or kubernetes_cluster_layout.primary_controlplane_node in kubernetes_cluster_layout.controlplane_nodes
 
-  - name: sanity check - fail on multiple masters if no primary master is configured
+  - name: sanity check - fail on multiple control-plane nodes but no primary is configured
     assert:
-      msg: "for multiple masters to work you need to define kubernetes_cluster_layout.primary_master"
-      that: (kubernetes_cluster_layout.masters | length) == 1 or kubernetes_cluster_layout.primary_master is defined
+      msg: "for multiple control-plane nodes to work you need to define kubernetes_cluster_layout.primary_controlplane_node"
+      that: (kubernetes_cluster_layout.controlplane_nodes | length) == 1 or kubernetes_cluster_layout.primary_controlplane_node is defined
 
   - name: create group for all kubernetes nodes
     loop: "{{ ansible_play_hosts_all }}"
@@ -28,19 +28,19 @@
       group: _kubernetes_nodes_
     changed_when: False
 
-  - name: create group for kubernetes master nodes
-    loop: "{{ kubernetes_cluster_layout.masters }}"
+  - name: create group for kubernetes control-plane nodes
+    loop: "{{ kubernetes_cluster_layout.controlplane_nodes }}"
     add_host:
       name: "{{ item }}"
       inventory_dir: "{{ hostvars[item].inventory_dir }}"
-      group: _kubernetes_masters_
+      group: _kubernetes_controlplane_nodes_
     changed_when: False
 
-  - name: create group for kubernetes primary master
+  - name: create group for kubernetes primary control-plane node
     vars:
-      item: "{{ kubernetes_cluster_layout.primary_master | default(kubernetes_cluster_layout.masters[0]) }}"
+      item: "{{ kubernetes_cluster_layout.primary_controlplane_node | default(kubernetes_cluster_layout.controlplane_nodes[0]) }}"
     add_host:
       name: "{{ item }}"
       inventory_dir: "{{ hostvars[item].inventory_dir }}"
-      group: _kubernetes_primary_master_
+      group: _kubernetes_primary_controlplane_node_
     changed_when: False
diff --git a/common/kubernetes-cluster.yml b/common/kubernetes-cluster.yml
index 4ee91dd3..6958db15 100644
--- a/common/kubernetes-cluster.yml
+++ b/common/kubernetes-cluster.yml
@@ -40,19 +40,19 @@
   - role: kubernetes/base
   - role: kubernetes/kubeadm/base
 
-- name: configure primary kubernetes master
-  hosts: _kubernetes_primary_master_
+- name: configure primary kubernetes control-plane node
+  hosts: _kubernetes_primary_controlplane_node_
   roles:
-  - role: kubernetes/kubeadm/master
+  - role: kubernetes/kubeadm/control-plane
 
-- name: configure secondary kubernetes masters
-  hosts: _kubernetes_masters_:!_kubernetes_primary_master_
+- name: configure secondary kubernetes control-plane nodes
+  hosts: _kubernetes_controlplane_nodes_:!_kubernetes_primary_controlplane_node_
   roles:
-  - role: kubernetes/kubeadm/master
+  - role: kubernetes/kubeadm/control-plane
 
-- name: configure kubernetes non-master nodes
-  hosts: _kubernetes_nodes_:!_kubernetes_masters_
+- name: configure kubernetes worker nodes
+  hosts: _kubernetes_nodes_:!_kubernetes_controlplane_nodes_
   roles:
-  - role: kubernetes/kubeadm/node
+  - role: kubernetes/kubeadm/worker
 
 ### TODO: add node labels (ie. for ingress daeomnset)
-- 
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