Intial IaC code and setting up deployment using ansible

5 files changed, 163 insertions, 0 deletions

diff --git a/ansible/gunicorn.service.j2 b/ansible/gunicorn.service.j2
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+++ b/ansible/gunicorn.service.j2
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+[Unit]
+Description=gunicorn daemon
+After=network.target
+
+[Service]
+User=ec2-user
+Group=nginx
+WorkingDirectory=/opt/image_processor
+ExecStart=/opt/image_processor/venv/bin/gunicorn --workers 3 --bind unix:{{ app_directory }}/myapp.sock -m 007 wsgi:app
+
+[Install]
+WantedBy=multi-user.target
+
diff --git a/ansible/hosts.ini b/ansible/hosts.ini
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+++ b/ansible/hosts.ini
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+[ec2_instances]
+44.202.210.65 ansible_user=ec2-user ansible_ssh_private_key_file=~/keypair_amazon/deployer_key
diff --git a/ansible/nginx.conf.j2 b/ansible/nginx.conf.j2
new file mode 100644
index 0000000..a890814
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+++ b/ansible/nginx.conf.j2
@@ -0,0 +1,13 @@
+server {
+    listen 80;
+    ec2_user {{ server_ip }};
+
+    location / {
+        proxy_pass http://unix:/opt/image_processor/myapp.sock;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}
+
diff --git a/ansible/setup-deployment.yml b/ansible/setup-deployment.yml
new file mode 100644
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+++ b/ansible/setup-deployment.yml
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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
+
diff --git a/ansible/setup-docker.yml b/ansible/setup-docker.yml
new file mode 100644
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--- /dev/null
+++ b/ansible/setup-docker.yml
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+- name: Install Docker on EC2 instances
+  hosts: ec2_instances
+  become: yes
+
+  tasks:
+    - name: Update yum package manager
+      yum:
+        name: '*'
+        state: latest
+
+    - name: Install Docker
+      yum:
+        name: docker
+        state: present
+
+    - name: Start and enable Docker service
+      service:
+        name: docker
+        state: started
+        enabled: yes
+
+    - name: Add ec2-user to the docker group
+      user:
+        name: ec2-user
+        groups: docker
+        append: yes
+