matplotlib.org.yml

---
- hosts: website
  vars:
    caddy:
      addresses:
        main: "matplotlib.org"
        webhook: "do.matplotlib.org"
      site_dir: "/usr/share/caddy"
      tls_config: "tls /etc/caddy/tls/cert.pem /etc/caddy/tls/privkey.pem"
    repos:
      # Key is repo name, value is the site /path/ (which defaults to the repo
      # name if not set).
      mpl-brochure-site:
      matplotlib.github.com:
      basemap:
      cheatsheets:
      cycler:
      devdocs:
      governance:
      ipympl:
      matplotblog:
      mpl-bench:
      mpl-gui:
      mpl-sphinx-theme:
      mpl-third-party: thirdpartypackages
      pytest-mpl:
      data-prototype:
  vars_files:
    - files/webhook_vars.yml
  tasks:
    # Installation tasks
    # ##################
    - name: Install system requirements
      tags: packages
      block:
        - name: Enable copr
          ansible.builtin.dnf:
            name: "dnf-command(copr)"
            state: present
        - name: Enable caddy copr
          community.general.copr:
            name: "@caddy/caddy"
            state: enabled

        - name: Install server maintenance
          ansible.builtin.dnf:
            name:
              - dnf-automatic
              - fail2ban
            state: present

        - name: Install web server requirements
          ansible.builtin.dnf:
            name:
              - caddy
              - git
              - mailcap
              - python3-aiohttp
            state: present

        - name: Install server monitoring tools
          ansible.builtin.dnf:
            name:
              - golang-github-prometheus
              - golang-github-prometheus-alertmanager
              - golang-github-prometheus-node-exporter
              - grafana
              # Remove this when Loki is packaged.
              - podman
            state: present

        - name: Allow Grafana to connect to Prometheus
          ansible.posix.seboolean:
            name: grafana_can_tcp_connect_prometheus_port
            state: true
            persistent: true

    # Automatic updates
    # #################
    - name: Enable automatic updates
      ansible.builtin.systemd:
        name: dnf-automatic-install.timer
        enabled: true
        state: started

    # Firewall setup
    # ##############
    - name: Setup firewall
      tags: firewall
      block:
        - name: Enable firewall
          ansible.builtin.systemd:
            name: firewalld.service
            enabled: true
            state: started

        - name: Allow SSH on firewall
          tags: ssh
          ansible.posix.firewalld:
            service: ssh
            permanent: true
            immediate: true
            offline: true
            state: enabled

        - name: Allow HTTP on firewall
          ansible.posix.firewalld:
            service: http
            permanent: true
            immediate: true
            offline: true
            state: enabled

        - name: Allow HTTPS on firewall
          ansible.posix.firewalld:
            service: https
            permanent: true
            immediate: true
            offline: true
            state: enabled

    # SSH configuration
    # #################
    - name: Configure SSH
      tags: ssh
      ansible.builtin.copy:
        src: sshd_config
        dest: /etc/ssh/sshd_config.d/99-matplotlib.conf

    # fail2ban setup
    # ##############
    - name: Setup fail2ban
      tags: fail2ban
      block:
        - name: Configure fail2ban
          ansible.builtin.copy:
            src: fail2ban/jail.local
            dest: /etc/fail2ban/jail.local
          notify:
            - Restart fail2ban

        - name: Configure SSH fail2ban
          ansible.builtin.template:
            src: fail2ban/sshd.local.j2
            dest: /etc/fail2ban/jail.d/sshd.local
          notify:
            - Restart fail2ban

        - name: Enable fail2ban service
          ansible.builtin.systemd:
            name: fail2ban.service
            enabled: true
            state: started

    # Prepare and clone Git repositories
    # ##################################
    - name: Setup Git repositories
      tags: git
      block:
        - name: Create Git repository directories
          ansible.builtin.file:
            path: "/usr/share/caddy/{{ item }}"
            state: directory
            mode: 0755
            owner: caddy
            group: caddy
          loop: "{{ repos.keys() }}"

        - name: Clone Git repositories
          become: true
          become_user: caddy
          ansible.builtin.git:
            repo: "https://github.com/matplotlib/{{ item }}"
            dest: "/usr/share/caddy/{{ item }}"
            version: >-
              {{
                (item == 'matplotlib.github.com') | ternary('main', 'gh-pages')
              }}
          loop: "{{ repos.keys() }}"

    # Caddy server setup
    # ##################
    - name: Caddy setup
      tags: caddy
      block:
        - name: Configure Caddy TLS certificate directory
          ansible.builtin.file:
            path: /etc/caddy/tls
            state: directory
            mode: 0755
            owner: caddy
            group: caddy
        - name: Configure Caddy TLS certificates
          ansible.builtin.copy:
            src: tls-cert.pem
            dest: /etc/caddy/tls/cert.pem
            mode: 0640
            owner: caddy
            group: caddy
          notify:
            - Reload Caddy
        - name: Configure Caddy TLS certificates
          ansible.builtin.copy:
            src: tls-privkey.pem
            dest: /etc/caddy/tls/privkey.pem
            mode: 0640
            owner: caddy
            group: caddy
          notify:
            - Reload Caddy

        - name: Configure Caddy
          ansible.builtin.template:
            src: Caddyfile.j2
            dest: /etc/caddy/Caddyfile
            validate: "caddy validate --adapter caddyfile --config %s"
          notify: Reload Caddy

        - name: Enable Caddy service
          ansible.builtin.systemd:
            name: caddy.service
            enabled: true
            state: started

    # Webhook setup
    # #############
    - name: Webhook setup
      tags: webhook
      block:
        - name: Install webhook
          ansible.builtin.copy:
            src: "{{playbook_dir}}/webhook/webhook.py"
            dest: /usr/bin/webhook.py
            mode: 0755
          notify: Restart webhook

        - name: Configure webhook system service
          ansible.builtin.copy:
            src: "{{playbook_dir}}/webhook/webhook.service"
            dest: /etc/systemd/system/webhook.service
            mode: 0644
          notify:
            - Reload systemd
            - Restart webhook

        - name: Configure webhook secrets
          ansible.builtin.template:
            src: webhook.env.j2
            dest: /etc/caddy/webhook.env
            mode: 0644
          notify:
            - Restart webhook

        - name: Enable webhook service
          ansible.builtin.systemd:
            name: webhook.service
            enabled: true
            state: started

    # Monitoring setup
    # ################
    - name: Monitoring
      tags: monitoring
      block:
        - name: Configure Prometheus
          ansible.builtin.copy:
            src: prometheus.yml
            dest: /etc/prometheus/prometheus.yml
            mode: 0644
          notify:
            - Reload Prometheus

        - name: Enable prometheus node exporter service
          ansible.builtin.systemd:
            name: prometheus-node-exporter.service
            enabled: true
            state: started

        - name: Enable prometheus service
          ansible.builtin.systemd:
            name: prometheus.service
            enabled: true
            state: started

        - name: Configure Grafana Prometheus data source
          ansible.builtin.copy:
            src: grafana/prometheus.yml
            dest: /etc/grafana/provisioning/datasources/prometheus.yml
            mode: 0640
            group: grafana
          notify: Restart Grafana

        - name: Configure Grafana dashboard provisioning
          ansible.builtin.copy:
            src: grafana/dashboards.yml
            dest: /etc/grafana/provisioning/dashboards/dashboards.yml
            mode: 0640
            group: grafana
          notify: Restart Grafana

        - name: Add Grafana dashboard directory
          ansible.builtin.file:
            path: /var/lib/grafana/dashboards
            state: directory
            mode: 0750
            group: grafana

        - name: Add Grafana dashboards
          ansible.builtin.copy:
            src: "grafana/{{ item }}.json"
            dest: "/var/lib/grafana/dashboards/{{ item }}.json"
            mode: 0640
            group: grafana
          loop:
            - caddy
            - go-metrics
            - node-statistics

        - name: Enable grafana service
          ansible.builtin.systemd:
            name: grafana-server.service
            enabled: true
            state: started

  # Handlers restart/reload services at playbook completion
  # #######################################################
  handlers:
    - name: Reload systemd
      ansible.builtin.systemd:
        daemon_reload: true

    - name: Restart fail2ban
      ansible.builtin.systemd:
        name: fail2ban
        state: restarted

    - name: Restart Caddy
      ansible.builtin.systemd:
        name: caddy
        state: restarted

    - name: Reload Caddy
      ansible.builtin.systemd:
        name: caddy
        state: reloaded

    - name: Reload Prometheus
      ansible.builtin.systemd:
        name: prometheus
        state: reloaded

    - name: Restart Prometheus
      ansible.builtin.systemd:
        name: prometheus
        state: restarted

    - name: Restart Grafana
      ansible.builtin.systemd:
        name: grafana-server
        state: restarted

    - name: Restart webhook
      ansible.builtin.systemd:
        name: webhook
        state: restarted