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|
---
- name: Deploy Flask Application on Amazon Linux
hosts: all
become: yes
vars:
app_directory: "/opt/image_processor"
requirements:
- Flask==2.0.1
- flask-cors
- boto3
- opencv-python-headless
- numpy
- gunicorn
tasks:
- name: Update all system packages
yum:
name: "*"
state: latest
update_cache: yes
- name: Install essential packages
yum:
name:
- gcc
- gcc-c++
- git
state: present
- name: enable Nginx using amazon-linux-extras
command: amazon-linux-extras enable nginx1.12
- name: Install nginx
yum:
name: nginx
state: present
- name: Upgrade pip
command: pip3 install --upgrade pip
- name: Install virtualenv using pip
command: pip3 install virtualenv
- name: Create application directory
file:
path: "{{ app_directory }}"
state: directory
mode: '0755'
- name: Remove existing virtual environment
file:
path: "{{ app_directory }}/venv"
state: absent
- name: Create a virtual environment using virtualenv
command: virtualenv -p python {{ app_directory }}/venv
- name: Install Python packages in the virtual environment
pip:
name: "{{ item }}"
virtualenv: "{{ app_directory }}/venv"
loop: "{{ requirements }}"
- name: Copy application files to the server
copy:
src: "{{ item }}"
dest: "{{ app_directory }}"
mode: '0644'
with_fileglob:
- "../../CloudRender/backend/*.py"
- name: Setup Gunicorn systemd service
template:
src: gunicorn.service.j2
dest: /etc/systemd/system/gunicorn.service
notify:
- Reload systemd
- Restart Gunicorn
- name: Setup Nginx configuration
template:
src: nginx.conf.j2
dest: /etc/nginx/conf.d/my_flask_app.conf
notify:
- Restart nginx
- name: Ensure nginx is running and enabled
systemd:
name: nginx
state: started
enabled: true
handlers:
- name: Restart nginx
systemd:
name: nginx
state: restarted
- name: Reload systemd
systemd:
daemon_reload: yes
- name: Restart Gunicorn
systemd:
name: gunicorn
state: restarted
|
