Add Vagrant related files

ansible/roles/common/tasks/main.yml

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+---
+
+- name: Install required packages
+  dnf:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - libselinux-python

ansible/roles/common/vars/main.yml

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+---
+
+# Project name
+project_name: calendar.social
+
+# Project path
+project_path: /vagrant
+
+# Flask app path
+application_path: /vagrant/app

ansible/roles/gunicorn/tasks/main.yml

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+---
+
+- name: Install Supervisor
+  dnf:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - supervisor
+
+- name: Start supervisord
+  service:
+    name: supervisord
+    state: restarted
+
+- name: Create the Gunicorn config directory
+  file:
+    path: /etc/gunicorn
+    state: directory
+    owner: "{{ user_name }}"
+    group: "{{ group_name }}"
+    mode: 0700
+
+- name: Create the Gunicorn config file in /etc/gunicorn
+  template:
+    src: gunicorn.conf.j2
+    dest: /etc/gunicorn/gunicorn.conf
+
+- name: Create the Gunicorn log directory
+  file:
+    path: /var/log/gunicorn
+    state: directory
+    owner: "{{ user_name }}"
+    group: "{{ group_name }}"
+    mode: 0700
+
+- name: Create the Supervisor config file for Gunicorn
+  template:
+    src: supervisor.conf.j2
+    dest: /etc/supervisord.d/gunicorn.ini
+
+- name: Re-read the Supervisor config files
+  supervisorctl:
+    name: gunicorn
+    state: present
+
+- name: Start Gunicorn with supervisord
+  supervisorctl:
+    name: gunicorn
+    state: restarted
+  when: enabled
+
+- name: Stop Gunicorn for local dev
+  supervisorctl:
+    name: gunicorn
+    state: stopped
+  when: not enabled

ansible/roles/gunicorn/templates/gunicorn.conf.j2

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+import multiprocessing
+
+workers = multiprocessing.cpu_count() * 2 + 1
+proc_name = 'gunicorn'
+bind = '127.0.0.1:8000'
+errorlog = '/var/log/gunicorn/gunicorn-error.log'
+accesslog = '/var/log/gunicorn/gunicorn-access.log'
+loglevel = 'warning'
+timeout = 60

ansible/roles/gunicorn/templates/supervisor.conf.j2

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+[program:gunicorn]
+command=pipenv run gunicorn wsgi:app -c /etc/gunicorn/gunicorn.conf --pythonpath {{ application_path }}
+directory={{ application_path }}
+user={{ user_name }}
+group={{ group_name }}
+autorestart=true
+autostart={{ autostart | bool | lower }}
+redirect_stderr=true

ansible/roles/nginx/handlers/main.yml

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+---
+
+- name: Reload Nginx
+  service:
+    name: nginx
+    state: reloaded
+
+- name: Stop Nginx
+  service:
+    name: nginx
+    state: stopped

ansible/roles/nginx/tasks/main.yml

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+---
+
+- name: Install Nginx
+  dnf:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - nginx
+
+- name: Create the Nginx configuration file for SSL
+  template:
+    src: site-ssl.conf.j2
+    dest: /etc/nginx/conf.d/{{ project_name }}-ssl.conf
+  when: use_ssl
+  notify: Reload Nginx
+
+- name: Create the Nginx configuration file (non-SSL)
+  template:
+    src: site.conf.j2
+    dest: /etc/nginx/conf.d/{{ project_name }}.conf
+  when: not use_ssl
+  notify: Reload Nginx
+
+- name: Ensure that the default site is removed
+  file:
+    path: /etc/nginx/conf.d/default.conf
+    state: absent
+
+- name: Ensure Nginx service is started, enable service on restart
+  service:
+    name: nginx
+    state: restarted
+    enabled: yes
+  when: enabled
+
+- name: Stop nginx for local dev, disable service
+  service:
+    name: nginx
+    state: stopped
+    enabled: no
+  notify: Stop Nginx
+  when: not enabled

ansible/roles/nginx/templates/site-ssl.conf.j2

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+upstream appserver {
+  server localhost:8000 fail_timeout=0;
+}
+
+server {
+  listen 80;
+  return 301 https://$host$request_uri;
+}
+
+server {
+  listen 443 ssl deferred;
+  server_name {{ host_name }};
+
+  ssl_certificate {{ home_path }}/{{ project_name }}.crt;
+  ssl_certificate_key {{ home_path }}/{{ project_name }}.key;
+  ssl_session_cache shared:SSL:32m;
+  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
+  ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;
+  ssl_prefer_server_ciphers on;
+
+  access_log /var/log/nginx/{{ project_name }}.access.log;
+  error_log /var/log/nginx/{{ project_name }}.error.log info;
+
+  keepalive_timeout 5;
+
+  location /static {
+    alias {{ project_path }}/static;
+  }
+
+  location / {
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header Host $http_host;
+    proxy_redirect off;
+    proxy_read_timeout 180s;
+
+    if (!-f $request_filename) {
+      proxy_pass http://appserver;
+      break;
+    }
+  }
+}

ansible/roles/nginx/templates/site.conf.j2

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+upstream appserver {
+  server localhost:8000 fail_timeout=0;
+}
+
+server {
+  listen 80;
+  server_name {{ host_name }};
+
+  access_log /var/log/nginx/{{ project_name }}.access.log;
+  error_log /var/log/nginx/{{ project_name }}.error.log info;
+
+  keepalive_timeout 5;
+
+  location /static {
+    alias {{ project_path }}/static;
+  }
+
+  location / {
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header Host $http_host;
+    proxy_redirect off;
+    proxy_read_timeout 180s;
+
+    if (-f $request_filename) {
+      proxy_pass http://appserver;
+      break;
+    }
+  }
+}

ansible/roles/nginx/vars/main.yml

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+---
+
+host_name: calendar-social.local

ansible/roles/python/tasks/main.yml

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+---
+
+- name: Install common python packages
+  dnf:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - pipenv
+
+- name: Delete Python cache files
+  command: find . -type d -name __pycache__ -exec rm -r {} +
+  args:
+    chdir: "{{ project_path }}"
+  changed_when: false
+
+- name: Install packages
+  command: pipenv install --python=/usr/bin/python3.6m --three --system --deploy
+
+- name: Install development related packages
+  command: pipenv install --python=/usr/bin/python3.6m --three --system --deploy --dev
+  args:
+    chdir: "{{ project_path }}"