Adding support for Centos8

Signed-off-by: Patrick Kirsch <patrick.kirsch@olanis.de>

tasks/main.yml

@@ -52,13 +52,20 @@
 
       - name: Ensure the EPEL repository GPG key is imported
         rpm_key:
-          key: /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
+          key: /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-{{ ansible_distribution_major_version }}
           state: present
 
     when: ((ansible_distribution | lower) == "centos")
             or ((ansible_distribution | lower) == "redhat")
     tags: repo
 
+  - include: repo_RedHat_8.yml
+    when:
+      - ansible_os_family|lower == "redhat"
+      - not ansible_distribution|lower == "fedora"
+      - ansible_distribution_major_version == "8"
+    tags: repo
+
   # https://docs.ansible.com/ansible/latest/become.html#becoming-an-unprivileged-user
   - name: Install acl controls
     package:

tasks/repo_RedHat_8.yml

@@ -0,0 +1,14 @@
+---
+# tasks/repo_RedHat.yml: RedHat based distro repository configuration for RocketChat.Ansible
+  - name: Clean existing repo nodejs & npm
+    yum:
+      name:
+        - nodejs
+        - npm
+      state: absent
+
+# Bad situation nodejs:12 packages npm version which only supports <=nodejs11
+# newer node uses old npm to install supported npm version
+# /usr/local/n/versions/node/12.18.4/bin/node /usr/local/n/versions/node/8.11.4/bin/npm i -g npm@latest
+  - name: Install newer nodejs v12
+    shell: dnf module install -y nodejs:12

vars/RedHat_7.yml

@@ -7,3 +7,4 @@ rocket_chat_service_template_at:
   src: rocketchat@.service.j2
   dest: /usr/lib/systemd/system/rocketchat@.service
 rocket_chat_tarball_validate_remote_cert: true
+rocket_chat_dep_packages: "{{ rocket_chat_dep_packages + ['python3-policycoreutils'] }}"

vars/RedHat_8.yml

@@ -0,0 +1,13 @@
+---
+rocket_chat_service_update_command: systemctl daemon-reload
+rocket_chat_service_template:
+  src: rocketchat.service.j2
+  dest: /usr/lib/systemd/system/rocketchat.service
+rocket_chat_tarball_validate_remote_cert: false
+
+rocket_chat_dep_packages: "{{ rocket_chat_dep_packages + ['python3-policycoreutils'] }}"
+
+rocket_chat_npm_version: 6.14.10
+rocket_chat_npm_path: "{{ rocket_chat_node_prefix }}/bin/npm"
+rocket_chat_node_version: 12.18.4
+rocket_chat_node_prefix: /usr/local/n/versions/node/{{ rocket_chat_node_version }}