install epel repo

defaults/main.yml

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+---
+submodules_versioncheck: true
+# epel repo
+epel-repo_url: "https://dl.fedoraproject.org/pub/epel/epel-release-latest-{{ ansible_distribution_major_version }}.noarch.rpm"
+epel-repo_gpg_key_url: "/etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-{{ ansible_distribution_major_version }}"

tasks/main.yml

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+---
+- include_tasks: versioncheck.yml
+  when: submodules_versioncheck|bool
+
+- name: import EPEL Repo GPG Key
+  become: true
+  rpm_key:
+    key: "{{ epel-repo_gpg_key_url }}"
+    state: present
+
+- name: Install EPEL repo
+  become: true
+  yum:
+    name: "{{ epel-repo_url }}"
+    state: present
+  until: result is succeeded
+  retries: 3

tasks/versioncheck.yml

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+---
+- name: Create directory for versionscheck
+  become: true
+  file:
+    path: '/etc/.ansible-version'
+    state: directory
+    mode: 0755
+  when: submodules_versioncheck|bool
+
+- name: check playbook version
+  become: true
+  slurp:
+    src: "/etc/.ansible-version/{{ playbook_version_path }}"
+  register: playbook_version
+  when: submodules_versioncheck|bool
+  ignore_errors: yes
+
+- name: Print remote role version
+  debug:
+    msg: "Remote role version: {{ playbook_version.content | default('Y3VycmVudGx5IG5vdCBkZXBsb3llZAo=') | b64decode | string }}"
+  when: submodules_versioncheck|bool
+
+- name: Print locale role version
+  debug:
+    msg: "Local role version: '{{ playbook_version_number|string }}'."
+  when: submodules_versioncheck|bool
+
+- name: Check if your version is outdated
+  fail:
+    msg: "Your ansible module has the version '{{ playbook_version_number }}' and is outdated. You need to update it!"
+  when:
+    - playbook_version.content|default("Mgo=")|b64decode|int - 1 >= playbook_version_number|int and submodules_versioncheck|bool
+
+- name: check if '/etc/ansible-version/' is empty
+  find:
+    paths: '/etc/ansible-version/'
+  register: filesFound
+
+- name: write new version to remote disk
+  become: true
+  copy:
+    content: "{{ playbook_version_number }}"
+    dest: "/etc/.ansible-version/{{ playbook_version_path }}"
+  when: submodules_versioncheck|bool

vars/main.yml

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+---
+playbook_version_number: 1024 # should be over ninethousand
+playbook_version_path: 'role-epel_roles-ansible_github.com.version'