Merge pull request #117 from Icinga/fix/icinga-config-host-name

Add icinga2_config_host var 
Add Documentation note

Author: mkayontour

doc/role-icinga2/features/feature-api.md

@@ -52,8 +52,7 @@ Create Signing Request to get a certificate managed by the parameter `ca_host` a
 set to the master/server hostname, FQDN or IP, the node setup tries to connect
 via API an retrieve the trusted certificate.
 
-> **_NOTE:_**  Ticket creation will be delegated, the host should accessible via the name or
-can defined as icinga2_delegate_host to match the Ansible alias.
+> **_NOTE:_**  Ansible will delegate the ticket creation to the CA host. You can change this behaviour by setting 'icinga2_delegate_host' to match another Ansible alias.
 
 ```
 ca_host: icinga-server.localdomain

roles/icinga2/defaults/main.yml

@@ -15,3 +15,4 @@ icinga2_features:
   - name: mainlog
 icinga2_remote_objects: []
 _icinga2_custom_conf_paths: []
+icinga2_config_host: "{{ ansible_fqdn }}"

roles/icinga2/tasks/objects.yml

@@ -2,14 +2,14 @@
 
 - name: collect all config objects for myself
   set_fact:
-    tmp_objects: "{{ tmp_objects| default([]) + hostvars[item]['icinga2_objects'][ansible_fqdn] }}"
+    tmp_objects: "{{ tmp_objects| default([]) + hostvars[item]['icinga2_objects'][icinga2_config_host] }}"
   with_items: "{{ groups['all'] }}"
-  when: hostvars[item]['icinga2_objects'][ansible_fqdn] is defined
+  when: hostvars[item]['icinga2_objects'][icinga2_config_host] is defined
 
 - name: collect all config objects in play vars
   set_fact:
-    tmp_objects: "{{ tmp_objects| default([]) + vars['icinga2_objects'][ansible_fqdn] }}"
-  when: vars['icinga2_objects'][ansible_fqdn] is defined
+    tmp_objects: "{{ tmp_objects| default([]) + vars['icinga2_objects'][icinga2_config_host] }}"
+  when: vars['icinga2_objects'][icinga2_config_host] is defined
 
 - icinga2_object:
     args: "{{ item }}"