آشنایی با Ansible (اختیاری)

1# Ubuntu/Debian
2sudo apt update
3sudo apt install -y ansible
4
5# تأیید نصب
6ansible --version

1[local]
2localhost ansible_connection=local
3
4[webservers]
5192.168.1.10
6192.168.1.11
7
8[databases]
9192.168.1.20

1[local]
2localhost ansible_connection=local

1ansible -i inventory.ini local -m ping

1localhost | SUCCESS => {
2    "changed": false,
3    "ping": "pong"
4}

1ansible -i inventory.ini local -m command -a "uptime"

 1---
 2- name: Setup basic system
 3  hosts: local
 4  become: yes
 5  tasks:
 6    - name: Ensure curl is installed
 7      apt:
 8        name: curl
 9        state: present
10        update_cache: yes
11
12    - name: Create a directory
13      file:
14        path: /opt/myapp
15        state: directory
16        mode: '0755'
17
18    - name: Create a simple file
19      copy:
20        content: "Hello from Ansible\n"
21        dest: /opt/myapp/hello.txt
22        mode: '0644'

1ansible-playbook -i inventory.ini setup.yml

1ansible-playbook -i inventory.ini setup.yml

1# این task فقط اگر nginx نصب نباشد، آن را نصب می‌کند
2- name: Ensure nginx is installed
3  apt:
4    name: nginx
5    state: present

 1---
 2- name: Configure nginx
 3  hosts: local
 4  become: yes
 5  tasks:
 6    - name: Copy nginx config
 7      copy:
 8        src: nginx.conf
 9        dest: /etc/nginx/nginx.conf
10      notify: reload nginx
11
12  handlers:
13    - name: reload nginx
14      systemd:
15        name: nginx
16        state: reloaded

 1---
 2- name: Setup nginx web server
 3  hosts: local
 4  become: yes
 5  tasks:
 6    - name: Ensure nginx is installed
 7      apt:
 8        name: nginx
 9        state: present
10        update_cache: yes
11
12    - name: Ensure nginx is running and enabled
13      systemd:
14        name: nginx
15        state: started
16        enabled: yes
17
18    - name: Create web root directory
19      file:
20        path: /var/www/mysite
21        state: directory
22        owner: www-data
23        group: www-data
24        mode: '0755'
25
26    - name: Deploy index page
27      copy:
28        content: |
29          <html>
30          <head><title>Deployed with Ansible</title></head>
31          <body>
32            <h1>Hello from Ansible!</h1>
33            <p>This page was deployed automatically.</p>
34          </body>
35          </html>
36        dest: /var/www/mysite/index.html
37        owner: www-data
38        group: www-data
39        mode: '0644'
40
41    - name: Configure nginx site
42      copy:
43        content: |
44          server {
45              listen 8080;
46              server_name _;
47              root /var/www/mysite;
48              index index.html;
49          }
50        dest: /etc/nginx/sites-available/mysite
51      notify: reload nginx
52
53    - name: Enable nginx site
54      file:
55        src: /etc/nginx/sites-available/mysite
56        dest: /etc/nginx/sites-enabled/mysite
57        state: link
58      notify: reload nginx
59
60  handlers:
61    - name: reload nginx
62      systemd:
63        name: nginx
64        state: reloaded

1ansible-playbook -i inventory.ini nginx-setup.yml

1curl http://localhost:8080

 1---
 2- name: Setup nginx
 3  hosts: local
 4  become: yes
 5  vars:
 6    nginx_port: 8080
 7    site_name: mysite
 8  tasks:
 9    - name: Configure nginx
10      copy:
11        content: |
12          server {
13              listen {{ nginx_port }};
14              server_name _;
15              root /var/www/{{ site_name }};
16              index index.html;
17          }
18        dest: /etc/nginx/sites-available/{{ site_name }}
19      notify: reload nginx