Improve ssh config task

tasks/user_cfg/templates/ssh-config.j2

+#jinja2:lstrip_blocks: True
+# ############################################# #
+#       This file is managed by Ansible         #
+#  https://lab.frogg.it/freezed/ansible-debian  #
+# ############################################# #
+
+{% if inventory_hostname in groups['station'] or inventory_hostname in groups['backup'] %}
+# WAN
+    {% for host in groups['production'] %}
+Host {{ host }}
+  User {{ hostvars[host]['my_user'] }}
+  Hostname {{ hostvars[host]['ansible_host'] }}
+  Port {{ hostvars[host]['ansible_port'] }}
+    {% endfor %}
+{% endif %}
+
+{% if inventory_hostname in groups['station'] or inventory_hostname in groups['production'] %}
+# BKP
+    {% for host in groups['backup'] %}
+Host {{ host }}
+  User {{ hostvars[host]['my_user'] }}
+  Hostname {{ hostvars[host]['ansible_host'] }}
+  Port {{ hostvars[host]['ansible_port'] }}
+    {% endfor %}
+{% endif %}
+
+{% if inventory_hostname in groups['station'] %}
+# DEV
+    {% for host in groups['devel'] %}
+Host {{ host }}
+  User {{ hostvars[host]['my_user'] }}
+  Hostname {{ hostvars[host]['ansible_host'] }}
+  Port {{ hostvars[host]['ansible_port'] }}
+    {% endfor %}
+
+# LOCAL
+    {% for host in groups['station'] %}
+Host {{ host }}
+  User {{ hostvars[host]['my_user'] }}
+  Hostname {{ hostvars[host]['ansible_host'] }}
+  Port {{ hostvars[host]['ansible_port'] }}
+    {% endfor %}
+{% endif %}

tasks/user_cfg/templates/ssh_config.j2

-#jinja2:lstrip_blocks: True
-# ############################################# #
-#       This file is managed by Ansible         #
-#  https://lab.frogg.it/freezed/ansible-debian  #
-# ############################################# #
-
-{% for host in groups['all']  %}
-Host {{ host }}
-  User {{ hostvars[host]['my_user'] }}
-  Hostname {{ hostvars[host]['ansible_host'] }}
-  Port {{ hostvars[host]['ansible_port'] }}
-
-{% endfor %}