cleaned up the etc_hosts file

tasks/etc_hosts.yml

+---
+- name: block of etc host config
+  block:
+    - name: Determine service interface
+      set_fact:
+        current_host_service_interface: "{{ item.keys() | difference(['service']) | first }}"
+      with_items: "{{ my_interfaces }}"
+      when:
+        - "'service' in item"
+        - item.service == True
+      delegate_to: "{{prometheus_peer}}"
+    - name: Capture IPv6 address of the current host
+      set_fact:
+        current_host_ipv6: "{{ hostvars[inventory_hostname]['ansible_' + current_host_service_interface]['ipv6'] | selectattr('scope', 'equalto', 'global') | map(attribute='address') | first }}"
+      when: 
+        - "'ansible_' + current_host_service_interface in hostvars[inventory_hostname]"
+        - "'ipv6' in hostvars[inventory_hostname]['ansible_' + current_host_service_interface]"
+      delegate_to: "{{prometheus_peer}}"
+    - name: Update /etc/hosts with IPv6 address of current host
+      lineinfile:
+        path: /etc/hosts
+        line: "{{ current_host_ipv6 }} {{ prometheus_peer }}"
+        state: present
+        regex: "^.*{{ prometheus_peer }}.*"
+      when: 
+        - current_host_ipv6 is defined
+        - current_host_ipv6 != ''
+    - name: reset current_host_ipv6
+      set_fact:
+        current_host_ipv6: ''
+  tags: etc_hosts
+
+####BEGIN on the hellsing group, specific lines in /etc/hosts file
+#- name: Determine service interface
+#  set_fact:
+#    service_interface: "{{ item.keys() | difference(['service']) | first }}"
+#  with_items: "{{ my_interfaces }}"
+#  when:
+#    - "'service' in item"
+#    - item.service == True
+##debugging
+#- name: Debug service interface
+#  debug:
+#    msg: "Service interface: {{ service_interface }}"
+#
+#- name: Capture IPv6 address of the current host
+#  set_fact:
+#    current_host_ipv6: "{{ hostvars[inventory_hostname]['ansible_' + service_interface]['ipv6'] | selectattr('scope', 'equalto', 'global') | map(attribute='address') | first }}"
+#  when: 
+#    - "'ansible_' + service_interface in hostvars[inventory_hostname]"
+#    - "'ipv6' in hostvars[inventory_hostname]['ansible_' + service_interface]"
+##debugging
+#- name: Debug ipv6 current host
+#  debug:
+#    msg: "ipv6 {{ inventory_hostname }}: {{ current_host_ipv6 }}"
+#
+#
+#
+#- name: Determine the other host in the hellsing group
+#  set_fact:
+#    other_host: "{{ prometheus_peers | reject('equalto', inventory_hostname) | first }}"
+#  when: groups['hellsing'] | length < 3
+#  run_once: true
+##debugging
+#- name: Debug ipv6 current host
+#  debug:
+#    msg: "The other host is: {{ other_host }}"
+#
+#- name: Gather facts from other hellsing hosts
+#  setup:
+#  delegate_to: "{{ other_host }}"
+#  run_once: true
+#  register: remote_facts
+#
+#- name: Set fact for remote host
+#  set_fact:
+#    other_host_facts: "{{ remote_facts.ansible_facts }}"
+#
+#- name: Capture IPv6 address of the other host now
+#  set_fact:
+#    other_host_ipv6: "{{ other_host_facts['ansible_' + service_interface]['ipv6'] | selectattr('scope', 'equalto', 'global') | map(attribute='address') | first }}"
+#  when: 
+#    - "'ansible_' + service_interface in other_host_facts"
+#    - "'ipv6' in other_host_facts['ansible_' + service_interface]"
+##debugging
+#- name: Debug ipv6 current host
+#  debug:
+#    msg: "The other host has the IP: {{ other_host_ipv6 }}"
+#
+##### Update the hosts file now
+#- name: Update /etc/hosts with IPv6 address of current host
+#  lineinfile:
+#    path: /etc/hosts
+#    line: "{{ current_host_ipv6 }} {{ inventory_hostname }}"
+#    state: present
+#  when: 
+#    - current_host_ipv6 is defined
+#    - current_host_ipv6 != ''
+#
+#- name: Update /etc/hosts with IPv6 address of the other host
+#  lineinfile:
+#    path: /etc/hosts
+#    line: "{{ other_host_ipv6 }} {{ other_host }}"
+#    state: present
+#  when: 
+#    - other_host_ipv6 is defined
+#    - other_host_ipv6 != ''
+#    - other_host is defined
+#
+####END of the script for adding specific lines on an Hellsing server

tasks/hellsing_hosts_ipv6.yml

----
-
-###BEGIN on the hellsing group, specific lines in /etc/hosts file
-- name: Determine service interface
-  set_fact:
-    service_interface: "{{ item.keys() | difference(['service']) | first }}"
-  loop: "{{ my_interfaces }}"
-  when:
-    - "'service' in item"
-    - item.service == True
-  run_once: true
-#debugging
-- name: Debug service interface
-  debug:
-    msg: "Service interface: {{ service_interface }}"
-
-- name: Capture IPv6 address of the current host
-  set_fact:
-    current_host_ipv6: "{{ hostvars[inventory_hostname]['ansible_' + service_interface]['ipv6'] | selectattr('scope', 'equalto', 'global') | map(attribute='address') | first }}"
-  when: 
-    - "'ansible_' + service_interface in hostvars[inventory_hostname]"
-    - "'ipv6' in hostvars[inventory_hostname]['ansible_' + service_interface]"
-#debugging
-- name: Debug ipv6 current host
-  debug:
-    msg: "ipv6 {{ inventory_hostname }}: {{ current_host_ipv6 }}"
-
-
-
-- name: Determine the other host in the hellsing group
-  set_fact:
-    other_host: "{{ groups['hellsing'] | reject('equalto', inventory_hostname) | first }}"
-  when: groups['hellsing'] | length < 3
-  run_once: true
-#debugging
-- name: Debug ipv6 current host
-  debug:
-    msg: "The other host is: {{ other_host }}"
-
-- name: Gather facts from other hellsing hosts
-  setup:
-  delegate_to: "{{ other_host }}"
-  run_once: true
-  register: remote_facts
-
-- name: Set fact for remote host
-  set_fact:
-    other_host_facts: "{{ remote_facts.ansible_facts }}"
-
-- name: Capture IPv6 address of the other host now
-  set_fact:
-    other_host_ipv6: "{{ other_host_facts['ansible_' + service_interface]['ipv6'] | selectattr('scope', 'equalto', 'global') | map(attribute='address') | first }}"
-  when: 
-    - "'ansible_' + service_interface in other_host_facts"
-    - "'ipv6' in other_host_facts['ansible_' + service_interface]"
-#debugging
-- name: Debug ipv6 current host
-  debug:
-    msg: "The other host has the IP: {{ other_host_ipv6 }}"
-
-#### Update the hosts file now
-- name: Update /etc/hosts with IPv6 address of current host
-  lineinfile:
-    path: /etc/hosts
-    line: "{{ current_host_ipv6 }} {{ inventory_hostname }}"
-    state: present
-  when: 
-    - current_host_ipv6 is defined
-    - current_host_ipv6 != ''
-
-- name: Update /etc/hosts with IPv6 address of the other host
-  lineinfile:
-    path: /etc/hosts
-    line: "{{ other_host_ipv6 }} {{ other_host }}"
-    state: present
-  when: 
-    - other_host_ipv6 is defined
-    - other_host_ipv6 != ''
-    - other_host is defined
-
-###END of the script for adding specific lines on an Hellsing server
\ No newline at end of file

tasks/main.yml

@@ -55,6 +55,13 @@
       description: 'Prometheus server'
   tags: label
 
-- import_tasks: hellsing_hosts_ipv6.yml
-  tags: hosts_ipv6
-  when: use_service_vrf and inventory_hostname in groups['hellsing']
\ No newline at end of file
+- include_tasks: etc_hosts.yml
+  tags: etc_hosts
+  loop_control:
+    loop_var: prometheus_peer
+  with_items: "{{prometheus_peers}}"
+  when: 
+  - use_service_vrf is defined
+  - prometheus_peers is defined
+  - my_interfaces is defined
+  - prometheus_peer != inventory_hostname