feat: more changes to templating (#1218)

* feat: clean up more jinja default references

Signed-off-by: Devin Buhl <devin@buhl.casa>

* feat: add additional tls sans force kube-vip on k3s

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/kubernetes/k0s/resources/hooks/apply-system.sh.j2

@@ -16,13 +16,13 @@ apt-get install -y --no-install-recommends \
     nvme-cli open-iscsi parted psmisc python3 python3-apt python3-kubernetes python3-yaml \
     smartmontools socat software-properties-common unzip util-linux
 
-#% if bootstrap_advanced_flags|default({}) and bootstrap_advanced_flags.update_resolv_conf|default(true) %#
+#% if bootstrap_advanced_flags.update_resolv_conf %#
 # Update DNS
 chattr -i /etc/resolv.conf
 rm -f /etc/resolv.conf
 cat <<EOF > /etc/resolv.conf
 search .
-nameserver #{ bootstrap_dns_server|default('1.1.1.1', true) }#
+nameserver #{ bootstrap_dns_server }#
 EOF
 chattr +i /etc/resolv.conf
 #% endif %#