remove requirement that N+ is installed beforehand

Author: aknot242

tasks/install-app-protect.yml

@@ -5,21 +5,16 @@
     nginx_plus_version: "{{ ansible_facts.packages['nginx-plus'] | map(attribute='version') | list | first | regex_search('^(\\d{1,3})') }}"
   when: "'nginx-plus' in ansible_facts.packages"
 
-- name: Debug nginx plus version
-  debug:
-    msg: "nginx_plus_version {{ nginx_plus_version }}"
-    verbosity: 2
-
-- name: Fail if NGINX+ version preconditions fail
+- name: Fail if existing NGINX+ version preconditions fail
   assert:
     that:
-      - nginx_plus_version is defined
       - nginx_plus_version | int >= 19
     fail_msg: >
       "'nginx_plus_version' release version must be a minimum of 19 for App Protect.
       Actual: {{ (nginx_plus_version is defined) | ternary(nginx_plus_version, 'NONE') }}"
     success_msg: "'nginx_plus_version' is {{ (nginx_plus_version is defined) | ternary(nginx_plus_version, 'NONE') }}"
     quiet: true
+  when: nginx_plus_version is defined
 
 - name: "(Install: Linux) Create override for NGINX Plus service"
   file:

tasks/install-signatures.yml

@@ -5,21 +5,16 @@
     nginx_plus_version: "{{ ansible_facts.packages['nginx-plus'] | map(attribute='version') | list | first | regex_search('^(\\d{1,3})') }}"
   when: "'nginx-plus' in ansible_facts.packages"
 
-- name: Debug nginx plus version
-  debug:
-    msg: "nginx_plus_version {{ nginx_plus_version }}"
-    verbosity: 2
-
 - name: Fail if NGINX+ version preconditions fail
   assert:
     that:
-      - nginx_plus_version is defined
       - nginx_plus_version | int >= 19
     fail_msg: >
       "'nginx_plus_version' release version must be a minimum of 19 for App Protect.
       Actual: {{ (nginx_plus_version is defined) | ternary(nginx_plus_version, 'NONE') }}"
     success_msg: "'nginx_plus_version' is {{ (nginx_plus_version is defined) | ternary(nginx_plus_version, 'NONE') }}"
     quiet: true
+  when: nginx_plus_version is defined
 
 - name: "(Install: Linux) Install Latest NGINX App Protect Signatures"
   package:

tasks/install-threat-campaigns.yml

@@ -5,21 +5,16 @@
     nginx_plus_version: "{{ ansible_facts.packages['nginx-plus'] | map(attribute='version') | list | first | regex_search('^(\\d{1,3})') }}"
   when: "'nginx-plus' in ansible_facts.packages"
 
-- name: Debug nginx plus version
-  debug:
-    msg: "nginx_plus_version {{ nginx_plus_version }}"
-    verbosity: 2
-
 - name: Fail if NGINX+ version preconditions fail
   assert:
     that:
-      - nginx_plus_version is defined
       - nginx_plus_version | int >= 19
     fail_msg: >
       "'nginx_plus_version' release version must be a minimum of 19 for App Protect.
       Actual: {{ (nginx_plus_version is defined) | ternary(nginx_plus_version, 'NONE') }}"
     success_msg: "'nginx_plus_version' is {{ (nginx_plus_version is defined) | ternary(nginx_plus_version, 'NONE') }}"
     quiet: true
+  when: nginx_plus_version is defined
 
 - name: "(Install: Linux) Install Latest NGINX App Protect Threat Campaigns"
   package: