mysqld_exporter: Initial version of role

roles/mysqld_exporter/tasks/main.yml

@@ -0,0 +1,83 @@
+---
+- name: Create group
+  ansible.builtin.group:
+    name: mysqld_exporter
+    system: true
+
+- name: Create user
+  ansible.builtin.user:
+    name: mysqld_exporter
+    comment: Prometheus MySQL Exporter
+    group: mysqld_exporter
+    groups: hostkey
+    create_home: false
+    home: /var/empty
+    shell: /sbin/nologin
+    system: true
+
+- name: Download package
+  ansible.builtin.get_url:
+    url: "https://github.com/prometheus/mysqld_exporter/releases/download/v{{ mysqld_exporter_version }}/{{ mysqld_exporter_pkg }}.tar.gz"
+    dest: "/usr/local/src/{{ mysqld_exporter_pkg }}.tar.gz"
+    mode: "0644"
+    owner: root
+    group: "{{ ansible_wheel }}"
+
+- name: Extract package
+  ansible.builtin.unarchive:
+    src: "/usr/local/src/{{ mysqld_exporter_pkg }}.tar.gz"
+    dest: /usr/local/src
+    owner: root
+    group: "{{ ansible_wheel }}"
+    creates: "/usr/local/src/{{ mysqld_exporter_pkg }}"
+    remote_src: true
+
+- name: Copy binary
+  ansible.builtin.copy:
+    dest: /usr/local/bin/mysqld_exporter
+    src: "/usr/local/src/{{ mysqld_exporter_pkg }}/mysqld_exporter"
+    mode: "0755"
+    owner: root
+    group: "{{ ansible_wheel }}"
+    remote_src: true
+
+- name: Create config directory
+  ansible.builtin.file:
+    path: /etc/mysqld_exporter
+    state: directory
+    mode: "0755"
+    owner: root
+    group: "{{ ansible_wheel }}"
+
+- name: Create web-config
+  ansible.builtin.template:
+    dest: /etc/mysqld_exporter/web-config.yml
+    src: web-config.yml.j2
+    mode: "0644"
+    owner: root
+    group: "{{ ansible_wheel }}"
+  notify: Restart mysqld_exporter
+
+- name: Create credentials config
+  ansible.builtin.template:
+    dest: /etc/mysqld_exporter/my.cnf
+    src: my.cnf.j2
+    mode: "0640"
+    owner: root
+    group: mysqld_exporter
+  notify: Restart mysqld_exporter
+
+- name: Create service file
+  ansible.builtin.copy:
+    dest: /etc/systemd/system/mysqld_exporter.service
+    src: mysqld_exporter.service
+    mode: "0644"
+    owner: root
+    group: "{{ ansible_wheel }}"
+  notify: Restart mysqld_exporter
+
+- name: Enable service
+  ansible.builtin.service:
+    name: mysqld_exporter
+    state: started
+    enabled: true