Merge pull request 'Add a utility directory' (#16) from add_utils into master

Reviewed-on: Aurore/ansible#16

utils/README.md

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+# Utils
+
+A repository of Ansible Playbooks that are useful, as little script or various
+utilities, but not used in production.

utils/re2o_mail_server.yml

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+---
+# Deploy Re2o mail service
+- hosts: mail.auro.re
+  vars:
+    service_repo: https://gitea.auro.re/aurore/re2o-mail-server.git
+    service_name: mail-server
+    service_version: aurore
+    service_config:
+      hostname: re2o-test.adm.auro.re  # use test instance for now, should be changed for prod!
+      username: service-user
+      password: "{{ vault_serviceuser_passwd }}"
+  roles:
+    - re2o-service

utils/reboot_needed_check.yml

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+#!/usr/bin/env ansible-playbook
+---
+# Check if a reboot is required by the installation of some packages (ie kernel)
+- hosts: localhost
+  tasks:
+    - name: Make sure local file exist but is empty  # weird hack, I know
+      copy:
+        dest: /tmp/ansible_dump_reboot_needed.txt
+        content: ""
+        force: true
+
+- hosts: all,!unifi,!escalope.adm.auro.re,!loki.adm.auro.re,!viviane.adm.auro.re,!vpn-ovh.adm.auro.re
+  tasks:
+    # Register the output of the file /var/run/reboot-required.pkgs
+    - name: Register if boot is required
+      shell: if [ -e /var/run/reboot-required.pkgs ]; then cat /var/run/reboot-required.pkgs; fi
+      register: result
+
+    - name: DEBUG
+      debug:
+        msg: "{{ ansible_facts['nodename'] }} : {{ result.stdout }}"
+      when: result.stdout != ""
+
+    # Add info line by line
+    - name: Dump all info into the local file
+      delegate_to: localhost
+      lineinfile:
+        path: /tmp/ansible_dump_reboot_needed.txt
+        line: "{{ ansible_facts['nodename'] }} : {{ result.stdout }}"
+      when: result.stdout != ""

utils/version_check.yml

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+#!/usr/bin/env ansible-playbook
+---
+# Check for the distribution
+- hosts: localhost
+  tasks:
+    - name: Make sure local file exist but is empty  # weird hack, I know
+      copy:
+        dest: /tmp/ansible_dump_reboot_needed.txt
+        content: ""
+        force: true
+
+- hosts: all,!unifi
+  tasks:
+    # Add info line by line
+    - name: Dump all info into the local file
+      delegate_to: localhost
+      lineinfile:
+        path: /tmp/ansible_dump_dist_version.txt
+        line: "[{{ ansible_facts['nodename'] }}] {{ansible_fqdn}} : {{
+                ansible_distribution }} {{ ansible_distribution_version }}"