install_cups.yml

- name: Airprint/Google Cloud Print installation
  hosts: all
  gather_facts: yes
  tasks:

#    - name: Add repository and remove other repositories
#      apt_repository:
#        repo: {{ item }}
#        state: present
#        update_cache: yes
#      - with_items:
#        - deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
#        - deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
#        - deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
#        - deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
#        - deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
#        - deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
#        - deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
#        - deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
#        - deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
#        - deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse


    - name: Install packages
      apt:
        name:
          - avahi-daemon
          - avahi-utils
          - cups
          - google-cloud-print-connector
          - inotify-tools
          - libcups2
          - libnss-mdns
          - hplip
          - python3-cups
        state: present
        update_cache: yes
        install_recommends: no
        allow_unauthenticated: yes

    - name: Create Systemd Unit file for airprint
      copy:
        content: |
          [Unit]
          Description=Airprint Service
          Documentation=https://localhost:631
          Wants=cups.service avahi-daemon.service network-online.target
          After=cups.service avahi-daemon.service network-online.target

          [Install]
          WantedBy=multi-user.target

          [Service]
          Type=simple
          KillMode=control-group
          User=avahi
          TimeoutStartSec=0
          Restart=on-failure
          RestartSec=5s
          ExecStart=/usr/local/bin/airprint
          ExecReload=/sbin/killall5 inotifywait && /usr/local/bin/airprint
          ExecStop=/usr/bin/killall inotifywait
        dest: /lib/systemd/system/airprint.service

    - name: Create directory for Google Cloud Print
      file:
        path: /etc/cloud-print-connector
        state: directory
        recurse: yes

    - name: Initialize config file for Google Cloud Print Connector
      shell:
        cmd: gcp-connector-util init --local-printing-enable --cloud-printing-enable=false
        chdir: /etc/cloud-print-connector

    - name: Allow Remote Admin UI for CUPS
      shell:
        cmd: cupsctl --remote-admin --remote-any --share-printers

    - name: Create Systemd Unit file for Google Cloud Print Connector
      copy:
        content: |
          # Copyright 2016 Google Inc. All rights reserved.
          #
          # Use of this source code is governed by a BSD-style
          # license that can be found in the LICENSE file or at
          # https://developers.google.com/open-source/licenses/bsd

          [Unit]
          Description=Google Cloud Print Connector
          Documentation="https://github.com/google/cloud-print-connector"
          After=cups.service avahi-daemon.service network-online.target
          Wants=cups.service avahi-daemon.service network-online.target

          [Service]
          ExecStart=/usr/bin/gcp-cups-connector -config-filename /opt/cloud-print-connector/gcp-cups-connector.config.json
          Restart=on-failure
          #User=cloud-print-connector

          [Install]
          WantedBy=multi-user.target
        dest: /lib/systemd/system/cloud-print-connector.service

    - name: Download Airprint binaries
      copy:
        content: |
          #!/bin/bash
          /usr/bin/inotifywait -m /etc/cups/ppd/ -e create -e moved_to -e close_write |
          while read path action file; do
               logger -s "Printer ${file} changed, reloading avahi services."
               /usr/local/bin/airprint-generate.py -d /etc/avahi/services
          done
        dest: /usr/local/bin/airprint
        mode: u+rx,g+rx,o+rwx


    - name: Download Airprint Generator
      get_url:
        url: https://github.com/yaurora/cups-google-airprint/releases/download/airprint-generator/airprint-generate.py
        dest: /usr/local/bin/airprint-generate.py
        checksum: sha256:ECC664E3EF1198111EB20C44F870448BFB8B034A0B9F54669A66F6FB260A9370
        mode: u+rx,g+rx,o+rwx

    - name: Give avahi permissions to service files
      file:
        path: /etc/avahi/services
        owner: avahi
        group: avahi

    - name: Reload systemd
      systemd:
        state: restarted
        daemon_reload: yes
        name: "{{ item }}"
      with_items:
        - cups
        - airprint
        - cloud-print-connector
        - avahi-daemon