install_shiny_server.yml

---
- name: Install and Configure Shiny Server
  hosts: raspberries
  become: true

  vars_files:
    - vars/config_vars.yml

  tasks:
    - name: Make sure system dependencies are installed
      apt:
        name:
          - libcairo2-dev
          - libjpeg62
          - libxt-dev
          - libharfbuzz-dev
          - git
          - cmake
          - pandoc
        state: present

    - name: Define R package dependencies
      set_fact:
        shiny_dependencies: "c('Rcpp', 'later', 'fs', 'httpuv', 'mime',
           'jsonlite', 'digest', 'htmltools',
           'xtable', 'R6', 'Cairo', 'sourcetools', 'shiny', 'rmarkdown')"

    - name: Set R package repository and site-library folder
      set_fact:
        cran_repo: "c('R4Pi' = 'https://pkgs.r4pi.org/{{ ansible_distribution_release }}', 'CRAN' = 'https://cran.rstudio.com/')"
        package_library: >-
          {%- if use_r4pi and use_rig == false -%}
            '/opt/R/release/lib/R/site-library/'
          {%- elif use_rig and use_r4pi == false -%}
            '/opt/R/{{r_version}}/lib/R/site-library/'
          {%- else -%}
            '/usr/local/lib/R/site-library/'
          {%- endif -%}

    - name: Install R package dependencies
      become_flags: 'su - -c'
      shell:
        cmd: "R -e \"install.packages({{ shiny_dependencies }} [!({{ shiny_dependencies }} %in% installed.packages())], repos={{ cran_repo }}, lib={{ package_library }})\""
      register: r_install
      changed_when: r_install.stderr != ""

    - name: Install Shiny server from source
      include_role:
        name: install_shiny_server
        apply:
          tags: shiny_server
      tags: shiny_server

    - name: Congifure Shiny server
      include_role:
        name: configure_shiny_server
        apply:
          tags: configure_shiny
      tags: configure_shiny