OPSEXP-2693 Drop support for Centos/RHEL 7

.github/workflows/enteprise.yml

@@ -144,9 +144,6 @@ jobs:
           - name: default
             vars: vars-ubuntu20-73.yml
             desc: EC2 ACS 7.3 (Ubuntu 20.04)
-          - name: default
-            vars: vars-centos7.yml
-            desc: EC2 ACS 7.3 (Centos7)
           - name: default
             vars: vars-rocky8.yml
             desc: EC2 ACS 7.4 (Rocky Linux 8.9)

group_vars/all.yml

@@ -104,9 +104,6 @@ supported_os:
       - 8.8
       - 8.7
       - 8.6
-  CentOS:
-    versions:
-      - 7.9
   Ubuntu:
     versions:
       - 22.04
@@ -185,7 +182,7 @@ use_custom_keystores: false
 # to default ansible merging behaviour
 dependencies_version:
   postgresql_connector: 42.6.1
-  postgres_major_version: 14
+  postgres_major_version: 15
   activemq: 5.18.4
   java: 17.0.9
   java_build: 9

roles/nginx/tasks/main.yml

@@ -6,15 +6,6 @@
 - name: Install & configure NGINX reverse proxy
   become: true
   block:
-    - name: Enable EPEL repository
-      ansible.builtin.yum_repository:
-        name: epel
-        description: EPEL YUM repo
-        metalink: https://mirrors.fedoraproject.org/metalink?repo=epel-{{ ansible_distribution_major_version }}&arch=$basearch&infra=$infra&content=$contentdir
-        gpgcheck: true
-        gpgkey: https://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-{{ ansible_distribution_major_version }}
-      when: ansible_distribution in [ 'RedHat', 'CentOS' ] and ansible_distribution_major_version == '7'
-
     - name: Ensure nginx is installed
       ansible.builtin.package:
         name: "{{ nginx_package_name }}"