Add hopglass-frontend role

roles/hopglass-frontend/tasks/install-hopglass.yml

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+---
+- name: clone hopglass
+  git:
+    repo: "https://github.com/hopglass/hopglass"
+    dest: "{{ hopglass_frontend_path }}"
+    accept_hostkey: yes
+    update: no
+
+- name: create build directory
+  file:
+    path: "{{ hopglass_frontend_path }}/build"
+    state: directory
+
+- name: template config.json
+  template:
+    src: hopglass-config.j2
+    dest: "{{ hopglass_frontend_path }}/build/config.json"
+
+- name: template nginx site
+  template:
+    src: nginx-site.j2
+    dest: /etc/nginx/conf.d/hopglass.conf
+  register: nginx
+
+- name: reload nginx
+  service:
+    name: nginx
+    state: reloaded
+  when: nginx.changed
+
+- name: template make-hopglass-frontend
+  template:
+    src: make-hopglass-frontend.j2
+    dest: /usr/local/bin/make-hopglass-frontend
+    mode: 0755
+  register: make
+
+- name: show usage information
+  debug:
+    msg: ">>> Because Node.js is terrible, please run make-hopglass-frontend manually. <<<"
+  when: make.changed

roles/hopglass-frontend/tasks/install-nodejs.yml

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+---
+- name: check for npm
+  find:
+    paths: [/bin, /usr/bin, /usr/local/bin]
+    patterns: npm
+    file_type: any
+  register: npm
+
+- name: install APT HTTPS transport
+  apt:
+    name: apt-transport-https
+    cache_valid_time: 86400
+  when: npm.matched == 0
+
+- name: add NodeSource signing key
+  apt_key:
+    url: https://deb.nodesource.com/gpgkey/nodesource.gpg.key
+    id: 9FD3B784BC1C6FC31A8A0A1C1655A0AB68576280
+  when: npm.matched == 0
+
+- name: add NodeSource repository
+  apt_repository:
+    repo: "deb https://deb.nodesource.com/{{ nodejs_version }} {{ ansible_lsb.codename }} main"
+    filename: nodesource
+  when: npm.matched == 0
+
+- name: install Node.js
+  apt:
+    name:
+      - build-essential
+      - nodejs
+    cache_valid_time: 86400
+  when: npm.matched == 0

roles/hopglass-frontend/tasks/main.yml

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+---
+- include: install-nodejs.yml
+  tags: nodejs
+- include: install-hopglass.yml
+  tags: hopglass-frontend