final centos 8 solution

006 lamp/roles/lamp/defaults/main.yml

 ---
-# defaults file for lamp
\ No newline at end of file
+# defaults file for lamp
+apt_pkgs:
+  - apache2
+  - php7.3
+  - php7.3-mysql
+  - mariadb-server
+  - mariadb-client
+
+dnf_pkgs:
+  - httpd
+  - php
+  - php-mysqlnd
+  - mariadb-server
+  - mariadb

006 lamp/roles/lamp/tasks/CentOS.yml

+# based on https://www.itzgeek.com/how-tos/linux/centos-how-tos/how-to-install-php-7-3-on-rhel-8.html
+- name: "Install prerequisities"
+  become: yes
+  dnf:
+    name:
+      - epel-release
+      - yum-utils
+      - https://rpms.remirepo.net/enterprise/remi-release-8.rpm
+    state: present
+    update_cache: yes
+
+- name: "Enable DNF module"
+  shell:
+    cmd: "dnf module enable -y php:remi-7.3"
+
+- name: "Install php"
+  become: yes
+  dnf:
+    name: "{{ dnf_pkgs }}"
+    state: present
+    update_cache: yes
+
+- name: "Start services"
+  service:
+    name: "{{ item }}"
+    state: started
+    enabled: yes
+  become: yes
+  with_items:
+    - httpd
+    - mariadb
+

006 lamp/roles/lamp/tasks/Debian.yml

@@ -12,3 +12,8 @@
 
 - name: "Add to source list"
   shell: "echo \"deb https://packages.sury.org/php/ $(lsb_release -sc) main\" | tee /etc/apt/sources.list.d/php7.3.list"
+
+- name: "Install packages"
+  apt:
+    pkg: "{{ apt_pkgs }}"
+    update_cache: yes

006 lamp/roles/lamp/tasks/Ubuntu.yml

 - name: "Add ppa:ondrej/php repo"
   become: yes
   apt_repository:
-    repo: "ppa:ondrej/php"
\ No newline at end of file
+    repo: "ppa:ondrej/php"
+
+- name: "Install packages"
+  apt:
+    pkg: "{{ apt_pkgs }}"
+    update_cache: yes
\ No newline at end of file

006 lamp/roles/lamp/tasks/main.yml

@@ -6,14 +6,7 @@
         pkg:
           - software-properties-common
         update_cache: yes
-
-    - debug:
-        var: ansible_os_family
-      tags: debug
-
-    - debug:
-        var: ansible_distribution
-      tags: debug
+      when: ansible_os_family == 'Debian'
 
     - include: Ubuntu.yml
       when: ansible_distribution == 'Ubuntu'
@@ -21,15 +14,8 @@
     - include: Debian.yml
       when: ansible_distribution == 'Debian'
 
-    - name: "Install packages"
-      apt:
-        pkg:
-          - apache2
-          - php7.3
-          - php7.3-mysql
-          - mariadb-server
-          - mariadb-client
-        update_cache: yes
+    - include: CentOS.yml
+      when: ansible_distribution == 'CentOS'
 
     # - name: "Deploy index.html"
     #   become: yes
@@ -61,9 +47,5 @@
       tags:
         - files
 
-    - debug:
-        var: role_path
-      tags:
-        - files
   become: yes
   
\ No newline at end of file