fix master taint implementation - linting problems (#95)

* add virtual-ip to certificate SAN entries

Adds the kube-vip IP as a Subject Alternative Name in the TLS cert. It is needed otherwise you cannot access the cluster.

* fixes bug with master taints (#1)

- improves taint logic

* fixes typo

* fixes formatting

* fixes undefined group['node'] if missing from hosts.ini (#2)

* fixes undefined group['node'] if missing from hosts.ini

- improves application of master taint by centralizing code

* improves molecule testing, fixes linting

* hacking at linter problems, small tweaks

- increases the metallb timeout error due to intermittent testing errors in GitHub actions

* improves context by renaming taint variable

- makes variable boolean

* fix bug

* removes linting hacks

Co-authored-by: Ioannis Angelakopoulos <ioangel@gmail.com>

roles/k3s/master/tasks/main.yml

@@ -64,8 +64,7 @@
     cmd: "systemd-run -p RestartSec=2 \
                       -p Restart=on-failure \
                       --unit=k3s-init \
-                      k3s server {{ server_init_args }} \
-                      {{ '--node-taint CriticalAddonsOnly=true:NoExecute' if k3s_single_node|bool == false else ''}}"
+                      k3s server {{ server_init_args }}"
     creates: "{{ systemd_dir }}/k3s.service"
   args:
     warn: false  # The ansible systemd module does not support transient units