first commit

defaults/main.yaml

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+postgres_exporter_version: "0.12.0"
+postgres_exporter_install_official_repo: true

meta/main.yaml

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+---
+galaxy_info:
+  description: postgres_exporter
+  galaxy_tags:
+  - postgres
+  - exporter
+
+dependencies: []

tasks/Debian.yaml

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+---
+- name: Install apt-transport-https
+  apt:
+    name: apt-transport-https
+    state: present
+
+- name: Add gpg keys for prometheus repo
+  ansible.builtin.apt_key:
+    url: "{{ item.url }}"
+    keyring: "{{ item.keyring }}"
+  loop: "{{ postgres_exporter_apt_key }}"
+  when:
+    - postgres_exporter_apt_key is defined
+    - postgres_exporter_install_official_repo
+
+- name: Add prometheus repository
+  ansible.builtin.apt_repository:
+    repo: "{{ item.repo }}"
+    state: present
+    filename: "{{ item.filename }}"
+    update_cache: no
+  loop: "{{ postgres_exporter_apt_repository }}" 
+  when: postgres_exporter_install_official_repo
+
+- name: Ensure {{ postgres_exporter_package }} version {{ postgres_exporter_version }} installed
+  apt:
+    name: "{{ postgres_exporter_package }}"
+    state: present
+
+- name: Enable and start {{ postgres_exporter_unit_name }}
+  systemd:
+    name: "{{ postgres_exporter_unit_name }}"
+    state: started
+    enabled: yes
+    masked: no
+    daemon_reload: yes

tasks/RedHat.yaml

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+---
+- name: Install prometheus repository
+  ansible.builtin.yum_repository:
+    name: "{{ item.name }}"
+    description: "{{ item.description }}"
+    file: "{{ item.file }}"
+    baseurl:  "{{ item.baseurl }}"
+    gpgcheck: "{{ item.gpgcheck | default('no') }}"
+    enabled: "{{ item.enabled | default('yes') }}"
+    repo_gpgcheck: "{{ item.repo_gpgcheck | default('no') }}"
+    gpgkey: "{{ item.gpgkey | default('omit') }}"
+  loop: "{{ postgres_exporter_rpm_repository }}"
+
+- name: Ensure {{ postgres_exporter_package }} version {{ postgres_exporter_version }} installed
+  dnf:
+    name: "{{ postgres_exporter_package }}"
+    state: present
+
+- name: Enable and start {{ postgres_exporter_unit_name }}
+  systemd:
+    name: "{{ postgres_exporter_unit_name }}"
+    state: started
+    enabled: yes
+    masked: no
+    daemon_reload: yes

tasks/main.yaml

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+---
+- name: Load a variable file based on the OS type
+  include_vars: "{{ lookup('first_found', params) }}"
+  vars:
+    params:
+      files:
+        - "{{ ansible_facts['distribution'] }}-{{ ansible_facts['distribution_major_version'] }}.yaml"
+        - "{{ ansible_facts['distribution'] }}-{{ ansible_facts['distribution_version'] }}.yaml"
+        - "{{ ansible_facts['os_family'] }}-{{ ansible_facts['distribution_major_version'] }}.yaml"
+        - "{{ ansible_facts['os_family'] }}-{{ ansible_facts['distribution_version'] }}.yaml"
+        - "{{ ansible_facts['os_family'] }}.yaml"
+      paths:
+        - "vars"
+  tags: postgres_exporter_vars
+
+- name: Include postgres_exporter install
+  include_tasks: "{{ ansible_facts['os_family'] }}.yaml"

vars/Debian.yaml

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+postgres_exporter_apt_repository:
+  - repo: deb [trusted=yes] https://mirror.0xace.cc/debian/custom/ default all
+    filename: mirror.0xace.cc
+
+postgres_exporter_package_name: "postgres-exporter"
+postgres_exporter_package: "{{ postgres_exporter_package_name }}={{ postgres_exporter_version }}-{{ postgres_exporter_version_build }}"
+postgres_exporter_version_build: "1"
+postgres_exporter_unit_name: "postgres_exporter"

vars/RedHat.yaml

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+postgres_exporter_rpm_repository:
+  - name: "prometheus"
+    file: "prometheus"
+    description: "Prometheus repository"
+    baseurl: "https://packagecloud.io/prometheus-rpm/release/el/$releasever/$basearch"
+    repo_gpgcheck: yes
+    gpgcheck: yes
+    gpgkey: >-
+      https://packagecloud.io/prometheus-rpm/release/gpgkey
+      https://raw.githubusercontent.com/lest/prometheus-rpm/master/RPM-GPG-KEY-prometheus-rpm
+
+postgres_exporter_package_name: "postgres_exporter"
+postgres_exporter_package: "{{ postgres_exporter_package_name }}-{{ postgres_exporter_version }}"
+postgres_exporter_unit_name: "{{ postgres_exporter_package_name }}"