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feat: init role
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‎.ansible-lint‎

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---
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skip_list:
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- "204"
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- "yaml"

‎.github/workflows/push.yml‎

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name: Push workflow
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on: push
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jobs:
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lint:
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runs-on: ubuntu-latest
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name: ansible-lint
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steps:
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- uses: actions/checkout@master
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- uses: actions/setup-python@v2
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- run: pip install ansible ansible-lint
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- run: ansible-lint --version
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- run: ansible-lint .
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commitlint:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v2
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with:
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fetch-depth: 0
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- name: Lint Commit
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uses: wagoid/commitlint-github-action@v3
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release:
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name: Publish new release
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needs: [lint, commitlint]
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if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v2
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- name: Setup Node.js
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uses: actions/setup-node@v2
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with:
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node-version: 14
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- name: Release
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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run: npx semantic-release

‎.releaserc.json‎

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{
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"branches": [
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"main"
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],
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"plugins": [
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"@semantic-release/commit-analyzer",
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"@semantic-release/release-notes-generator",
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[
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"@semantic-release/github",
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{
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"successComment": false,
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"releasedLabels": false
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}
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]
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]
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}

‎LICENSE‎

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The MIT License (MIT)
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Copyright (c) 2022 angristan
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md‎

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# Ansible role for Postgres exporter
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This role will setup [postgres_exporter](https://github.com/prometheus-community/postgres_exporter) on any Linux machine using systemd.
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## Role Variables
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- `postgres_exporter_version`: the version of Postgres exporter that will be installed.
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The role will download the Postgres exporter release on the deployer and upload the binary to the target host.
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If the `/usr/local/bin/postgres_exporter` binary already exists, the role will skip the install steps. You can force them (to update, for instance), by setting `postgres_exporter_force_install` to true.
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- `postgres_exporter_web_listen_address`: the address Node exporter will listen on. (`0.0.0.0:9187`)
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## Example playbook
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```yaml
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---
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- hosts: myhost
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roles: postgres-exporter
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```
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## License
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MIT. See LICENSE for more details.
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## Author Information
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See my other Ansible roles at [angristan/ansible-roles](https://github.com/angristan/ansible-roles).

‎defaults/main.yml‎

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---
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postgres_exporter_version: 0.11.1
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postgres_exporter_force_install: false
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postgres_exporter_web_listen_address: "0.0.0.0:9187"

‎handlers/main.yml‎

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---
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- name: Restart postgres_exporter
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ansible.builtin.systemd:
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daemon_reload: true
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name: postgres-exporter
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state: restarted

‎tasks/configure.yml‎

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---
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- name: Copy the Postgres Exporter systemd service file
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ansible.builtin.template:
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src: postgres-exporter.service.j2
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dest: /etc/systemd/system/postgres-exporter.service
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owner: root
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group: root
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mode: 0644
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notify: Restart postgres-exporter

‎tasks/install.yml‎

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---
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- name: Download the postgres_exporter binary to a local folder
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ansible.builtin.get_url:
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url: "https://github.com/prometheus-community/postgres_exporter/releases/download/v{{ postgres_exporter_version }}/postgres_exporter-{{ postgres_exporter_version }}.linux-{{ go_arch_map[ansible_architecture] | default(ansible_architecture) }}.tar.gz"
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dest: "/tmp/postgres_exporter-{{ postgres_exporter_version }}.linux-{{ go_arch_map[ansible_architecture] | default(ansible_architecture) }}.tar.gz"
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mode: 0644
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register: _download_binary
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until: _download_binary is succeeded
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retries: 5
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delay: 2
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delegate_to: localhost
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check_mode: false
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- name: Unarchive the postgres_exporter binary
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ansible.builtin.unarchive:
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src: "/tmp/postgres_exporter-{{ postgres_exporter_version }}.linux-{{ go_arch_map[ansible_architecture] | default(ansible_architecture) }}.tar.gz"
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dest: "/tmp"
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creates: "/tmp/postgres_exporter-v{{ postgres_exporter_version }}.linux-{{ go_arch_map[ansible_architecture] | default(ansible_architecture) }}/postgres_exporter"
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delegate_to: localhost
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check_mode: false
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- name: Upload the postgres_exporter binary
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ansible.builtin.copy:
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src: "/tmp/postgres_exporter-{{ postgres_exporter_version }}.linux-{{ go_arch_map[ansible_architecture] | default(ansible_architecture) }}/postgres_exporter"
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dest: "/usr/local/bin/postgres_exporter"
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mode: 0750
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owner: postgres
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group: postgres
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notify: Restart postgres_exporter
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when: not ansible_check_mode

‎tasks/main.yml‎

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---
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- name: Check if postgres_exporter is installed
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ansible.builtin.stat:
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path: "/usr/local/bin/postgres_exporter"
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register: postgres_exporter_binary
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- name: Install postgres_exporter
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ansible.builtin.include_tasks: install.yml
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when: not postgres_exporter_binary.stat.exists or postgres_exporter_force_install
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- name: Configure postgres_exporter
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ansible.builtin.import_tasks: configure.yml
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tags:
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- postgres_exporter.configure
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- name: Ensure Postgres exporter is enabled on boot
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ansible.builtin.systemd:
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daemon_reload: true
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name: postgres-exporter
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enabled: true
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state: started

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