From b39c3b91269a8482207863234acc298f623deae6 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sat, 20 Jun 2020 05:20:46 +0200
Subject: kubernetes: add node pruning role

---
 roles/kubernetes/kubeadm/prune/tasks/main.yml          |  9 +++++++++
 roles/kubernetes/kubeadm/prune/tasks/net_kubeguard.yml | 14 ++++++++++++++
 roles/kubernetes/kubeadm/prune/tasks/net_none.yml      |  2 ++
 3 files changed, 25 insertions(+)
 create mode 100644 roles/kubernetes/kubeadm/prune/tasks/main.yml
 create mode 100644 roles/kubernetes/kubeadm/prune/tasks/net_kubeguard.yml
 create mode 100644 roles/kubernetes/kubeadm/prune/tasks/net_none.yml

(limited to 'roles/kubernetes/kubeadm/prune')

diff --git a/roles/kubernetes/kubeadm/prune/tasks/main.yml b/roles/kubernetes/kubeadm/prune/tasks/main.yml
new file mode 100644
index 00000000..71ed0d04
--- /dev/null
+++ b/roles/kubernetes/kubeadm/prune/tasks/main.yml
@@ -0,0 +1,9 @@
+---
+- name: remove nodes from api server
+  run_once: true
+  delegate_to: "{{ groups['_kubernetes_primary_master_'] | first }}"
+  loop: "{{ groups['_kubernetes_nodes_prune_'] | default([]) }}"
+  command: "kubectl delete node {{ item }}"
+
+- name: prune network plugin
+  include_tasks: "net_{{ kubernetes_network_plugin }}.yml"
diff --git a/roles/kubernetes/kubeadm/prune/tasks/net_kubeguard.yml b/roles/kubernetes/kubeadm/prune/tasks/net_kubeguard.yml
new file mode 100644
index 00000000..8a8c7752
--- /dev/null
+++ b/roles/kubernetes/kubeadm/prune/tasks/net_kubeguard.yml
@@ -0,0 +1,14 @@
+---
+- name: stop/disable systemd units for stale kubeguard peers
+  loop: "{{ groups['_kubernetes_nodes_prune_'] | default([]) }}"
+  systemd:
+    name: "kubeguard-peer-{{ item }}.service"
+    state: stopped
+    enabled: no
+  failed_when: false
+
+- name: remove systemd units for stale kubeguard peers
+  loop: "{{ groups['_kubernetes_nodes_prune_'] | default([]) }}"
+  file:
+    name: "/etc/systemd/system/kubeguard-peer-{{ item }}.service"
+    state: absent
diff --git a/roles/kubernetes/kubeadm/prune/tasks/net_none.yml b/roles/kubernetes/kubeadm/prune/tasks/net_none.yml
new file mode 100644
index 00000000..94832c38
--- /dev/null
+++ b/roles/kubernetes/kubeadm/prune/tasks/net_none.yml
@@ -0,0 +1,2 @@
+---
+## nothing to do here
-- 
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