container_aria

my file learn about tech container (docker, podman, kubernetes)

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playbook variables

• terkadang ada beberapa bagian konfigurasi yang merujuk hal sama
  • contohnya task 1 kita membuat folder AAA, dan task 2 mencopy kan sesuatu ke folder AAA
  • daripada kita mendefinisikan nama folder AAA berulang di task 1 dan 2
  • kita dapat membuatnya sebagai variables
    • agar nantinya cukup mendefinisikan 1 kali saja

example

---
- name: Playbook setup web server
  hosts: node_docker
  become: true
  vars: # mendefinisikan variable
    user_app: ansibleweb
  tasks:
    - name: Install nginx
      ansible.builtin.apt:
        name: nginx
        state: present
    - name: Buat user 
      ansible.builtin.user:
        name: ""
        password: belajaransible
        shell: /bin/bash
    - name: Copy file html
      ansible.builtin.copy:
        src: ./web/
        dest: /var/www/html/
        mode: '644'
        owner: ""
        group: ""

run

ansible-playbook 03\ -\ playbook-wevserver_vars.yaml

ssh -i /ssh_node/private.key node1 ls -la /var/www/html/index.html
# -rw-r--r-- 1 ansibleweb ansibleweb 435 Jan  4 06:33 /var/www/html/index.html

ansible node_docker -m command -a "ls -la /var/www/html/index.html"
# node1 | CHANGED | rc=0 >>
# -rw-r--r-- 1 ansibleweb ansibleweb 435 Jan  4 06:33 /var/www/html/index.html
# node2 | CHANGED | rc=0 >>
# -rw-r--r-- 1 ansibleweb ansibleweb 435 Jan  4 06:33 /var/www/html/index.html
# node3 | CHANGED | rc=0 >>
# -rw-r--r-- 1 ansibleweb ansibleweb 435 Jan  4 06:33 /var/www/html/index.html

list

• karena playbook menggunakan format yaml
  • sebenernya kita dapat mendefinisikan variable dalam bentuk boolean, list, dictionary jika dibutuhkan

# list
region:
  - northeast
  - southeast
  - midwest

## mamnggil list
region: ""

# dictionary
foo:
  field1: one
  field2: two

## memanggil dictionary



# merged list
merged_list: ""

# merged dict
merged_dict: ""