Install keepalived on pi k8s nodes

inventory/group_vars/pis.yml

@@ -16,4 +16,11 @@ secret_netbox_local_db_pass: !vault |
           33616365353663633434653463643964613231343335326234343331396137363439666138376332
           3564356231336230630a336639656337353538633931623536303430363836386137646563613338
           66326661313064306162363265303636333765383736336231346136383763613131
+secret_keepalived_pass: !vault |
+          $ANSIBLE_VAULT;1.1;AES256
+          65353963616637303932643435643262333438666566333138373539393836636135656162323965
+          3036313035343835393439663065326536323464316566340a613966333731356631613536643332
+          64613934346234316564613564363863356663653063333432316434353633333138643561316638
+          6563386233656364310a626363663234623161363537323035663663383333353138386239623934
+          65613231666661633262633439393462316337393532623263363630353133373236
 

inventory/hosts.yml

@@ -31,8 +31,11 @@ all:
                     kubernetes_role: node
                   hosts:
                     pi-kub-node-1.desu.ltd:
+                      keepalived_priority: 50
                     pi-kub-node-2.desu.ltd:
+                      keepalived_priority: 49
                     pi-kub-node-3.desu.ltd:
+                      keepalived_priority: 48
         desktop:
           hosts:
             dsk-ryzen-0.desu.ltd:

playbooks/pik8s.yml

@@ -23,3 +23,11 @@
     - name: install openshift
       pip: name=openshift state=latest
       tags: [ k8s, packages, pip ]
+- hosts: pik8s_nodes
+  gather_facts: no
+  roles:
+    - role: keepalived
+      vars:
+        keepalived_auth_pass: "{{ secret_keepalived_pass }}"
+        keepalived_vip: "192.168.102.200/16"
+      tags: [ k8s, keepalived ]

roles/keepalived/defaults/main.yml

@@ -0,0 +1,21 @@
+# vim:ft=ansible:
+
+# Node priority. Should be assigned differently for each host
+keepalived_priority: 50
+# Node state. Should be "MASTER" on the master and "BACKUP" on backup machines
+keepalived_state: "BACKUP"
+
+# The interface to assign the VIP to
+keepalived_interface: "eth0"
+# The virtual router ID
+keepailved_virtual_router_id: 51
+# The VIP to pass around. Include the subnet mask like so:
+# 192.168.0.5/24
+keepalived_vip: ""
+# Advertisement interval in seconds
+keepalived_advert_int: 1
+# Name of the vrrp instance
+keepalived_vrrp_instance_name: "VI_1"
+
+# Keepalived authentication password
+#keepalived_auth_pass

roles/keepalived/handlers/main.yml

@@ -0,0 +1,5 @@
+#!/usr/bin/env ansible-playbook
+# vim:ft=ansible:
+---
+- name: restart keepalived
+  systemd: name=keepalived state=restarted

roles/keepalived/tasks/main.yml

@@ -0,0 +1,11 @@
+#!/usr/bin/env ansible-playbook
+# vim:ft=ansible:
+---
+- name: install keepalived
+  apt: name=keepalived state=present
+  when: ansible_os_family == 'Debian'
+- name: template out config
+  template: src=keepalived.conf dest=/etc/keepalived/keepalived.conf mode="0640"
+  notify: restart keepalived
+- name: ensure keepalived is running
+  systemd: name=keepalived state=started enabled=yes

roles/keepalived/tasks/templates/keepalived.conf

@@ -0,0 +1,14 @@
+vrrp_instance {{ keepalived_vrrp_instance_name }} {
+	state {{ keepalived_state }}
+	interface {{ keepalived_interface }}
+	virtual_router_id {{ keepailved_virtual_router_id }}
+	priority {{ keepalived_priority }}
+	advert_int {{ keepalived_advert_int }}
+	authentication {
+		auth_type PASS
+		auth_pass {{ keepalived_auth_pass }}
+	}
+	virtual_ipaddress {
+		{{ keepalived_vip }}
+	}
+}