1 files changed, 36 insertions, 0 deletions
diff --git a/common/kubernetes-cluster-cleanup.yml b/common/kubernetes-cluster-cleanup.yml
new file mode 100644
index 00000000..83d6945c
--- /dev/null
+++ b/common/kubernetes-cluster-cleanup.yml
@@ -0,0 +1,36 @@
+---
+- name: check for nodes to be removed
+  hosts: _kubernetes_primary_master_
+  tasks:
+  - name: fetch list of current nodes
+    command: kubectl get nodes -o name
+    changed_when: False
+    check_mode: no
+    register: kubectl_node_list
+
+  - name: generate list of nodes to be removed
+    loop: "{{ kubectl_node_list.stdout_lines | map('replace', 'node/', '') | list | difference(groups['_kubernetes_nodes_']) }}"
+    add_host:
+      name: "{{ item }}"
+      inventory_dir: "{{ hostvars[item].inventory_dir }}"
+      group: _kubernetes_nodes_remove_
+    changed_when: False
+
+  - name: drain superflous nodes
+    loop: "{{ groups['_kubernetes_nodes_remove_'] | default([]) }}"
+    command: "kubectl drain {{ item }} --delete-local-data --force --ignore-daemonsets"
+
+
+- name: remove nodes from api server
+  hosts: _kubernetes_primary_master_
+  tasks:
+  - name: remove superflous nodes
+    loop: "{{ groups['_kubernetes_nodes_remove_'] | default([]) }}"
+    command: "kubectl delete node {{ item }}"
+
+- name: try to clean superflous nodes
+  hosts: _kubernetes_nodes_remove_
+  roles:
+  - role: kubernetes/kubeadm/reset
+  - role: kubernetes/net/kubeguard/reset
+    when: hostvars[groups['_kubernetes_primary_master_'][0]].kubernetes_network_plugin == 'kubeguard'