check ansible_host for all hosts

tasks/check.yml

@@ -17,11 +17,44 @@
 - name: Icinga checks
   block:
 
-    - name: Each host requires a ansible_host variable to be defined
+    - name: "Ensure that ansible_host is defined for the icinga_master_nodes"
       ansible.builtin.assert:
         that:
-          - hostvars[inventory_hostname].ansible_host is defined
+          - hostvars[icinga_agent_node].ansible_host is defined
+          - hostvars[icinga_agent_node].ansible_host is ansible.utils.ip
         quiet: "{% if ansible_verbosity == 0 %}true{% else %}false{% endif %}"
+      loop: "{{ groups['icinga_master_nodes'] }}"
+      loop_control:
+        loop_var: icinga_agent_node
+      when:
+        - groups['icinga_master_nodes'] is defined
+        - groups['icinga_master_nodes'] | length > 0
+
+    - name: "Ensure that ansible_host is defined for the icinga_agent_nodes"
+      ansible.builtin.assert:
+        that:
+          - hostvars[icinga_agent_node].ansible_host is defined
+          - hostvars[icinga_agent_node].ansible_host is ansible.utils.ip
+        quiet: "{% if ansible_verbosity == 0 %}true{% else %}false{% endif %}"
+      loop: "{{ groups['icinga_agent_nodes'] }}"
+      loop_control:
+        loop_var: icinga_agent_node
+      when:
+        - groups['icinga_agent_nodes'] is defined
+        - groups['icinga_agent_nodes'] | length > 0
+
+    - name: "Ensure that ansible_host is defined for the icinga_remote_nodes"
+      ansible.builtin.assert:
+        that:
+          - hostvars[icinga_agent_node].ansible_host is defined
+          - hostvars[icinga_agent_node].ansible_host is ansible.utils.ip
+        quiet: "{% if ansible_verbosity == 0 %}true{% else %}false{% endif %}"
+      loop: "{{ groups['icinga_remote_nodes'] }}"
+      loop_control:
+        loop_var: icinga_agent_node
+      when:
+        - groups['icinga_remote_nodes'] is defined
+        - groups['icinga_remote_nodes'] | length > 0
 
   tags:
     - icinga