Add basis of the role

tasks/check_rapl.yml

@@ -0,0 +1,9 @@
+---
+# This file checks for the presence of the intel_rapl_common kernel module, and tries to install it if
+# it's not present on the host machine.
+
+- name: Check for RAPL module
+  community.general.modprobe:
+    name: intel_rapl_common
+    state: present
+    persistent: present

tasks/install.yml

@@ -0,0 +1,7 @@
+---
+# Installs the scaphandre package and setups the user.
+
+- name: Install the scaphandre package
+  ansible.builtin.apt:
+    deb: https://github.com/hubblo-org/scaphandre/releases/download/v{{ scaphandre_version }}/scaphandre_v{{ scaphandre_version }}-{{ scaphandre_arch }}.deb
+    state: present

tasks/main.yml

@@ -0,0 +1,14 @@
+---
+# tasks file for hubblo.scaphandre
+
+- name: Import the tasks to check for RAPL kernel module presence
+  ansible.builtin.import_tasks:
+    file: check_rapl.yml
+
+- name: Install scaphandre packages
+  ansible.builtin.import_tasks:
+    file: install.yml
+
+- name: Configure and install the systemD service
+  ansible.builtin.import_tasks:
+    file: systemd-service.yml

tasks/systemd-service.yml

@@ -0,0 +1,39 @@
+---
+# Creates the user and setups the systemD service.
+
+- name: Ensure group "scaphandre" exists
+  ansible.builtin.group:
+    name: scaphandre
+    state: present
+
+- name: Create scaphandre user
+  ansible.builtin.user:
+    name: scaphandre
+    groups:
+      - scaphandre
+    append: true
+    create_home: true
+    home: "{{ scaphandre_home_dir }}"
+
+- name: Setup systemD service
+  ansible.builtin.template:
+    src: scaphandre.service.j2
+    dest: /etc/systemd/system/scaphandre.service
+    owner: root
+    group: root
+    mode: "644"
+
+- name: Ensure proper permissions
+  ansible.builtin.file:
+    path: "{{ scaphandre_home_dir }}"
+    state: directory
+    recurse: true
+    owner: scaphandre
+    group: scaphandre
+    mode: u+rwx,g-wx,o-rwx
+
+- name: Ensure scaphandre is running
+  ansible.builtin.systemd_service:
+    state: restarted
+    daemon_reload: true
+    name: scaphandre