ansible-inventories/alphabet#409 make HaProxy checks for external servers optional

templates/haproxy_cfg.jinja2

@@ -272,7 +272,7 @@ backend backend_{{ external.key }}
 {% for line in external.extra|default([]) %}
   {{ line }}
 {% endfor %}
-  server server_{{ external.key }} {{ external.server }} check {{ external.options|default('') }}
+  server server_{{ external.key }} {{ external.server }}{{ external.check|default(true)|ternary(' check ','') }} {{ external.options|default('') }}
 {% endfor %}
 {% endfor %}
 {% if proxy_default_backend not in groups['webserver'] %}