inits.cloud

Ansible Control Node

Sets up Ansible for configuration management and automation

Script Author

Rowan de Haas's avatar
Rowan de Haas
Script Author

Script Details

Created 3 months ago
Size 4 KB

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#cloud-config
package_update: true
package_upgrade: true

packages:
  - software-properties-common
  - python3
  - python3-pip
  - python3-venv
  - git
  - sshpass
  - rsync

users:
  - name: ansible
    sudo: ALL=(ALL) NOPASSWD:ALL
    shell: /bin/bash
    groups: sudo
    ssh_authorized_keys:
      - ssh-rsa YOUR_SSH_KEY_HERE

write_files:
  - path: /etc/ansible/ansible.cfg
    content: |
      [defaults]
      inventory = /etc/ansible/hosts
      remote_user = ansible
      host_key_checking = False
      timeout = 30
      log_path = /var/log/ansible.log
      retry_files_enabled = False
      stdout_callback = yaml
      
      [inventory]
      enable_plugins = host_list, script, auto, yaml, ini, toml
      
      [privilege_escalation]
      become = True
      become_method = sudo
      become_user = root
      become_ask_pass = False
      
      [ssh_connection]
      ssh_args = -C -o ControlMaster=auto -o ControlPersist=60s
      pipelining = True

  - path: /etc/ansible/hosts
    content: |
      [local]
      localhost ansible_connection=local
      
      [webservers]
      # Add your web servers here
      # web1.example.com
      # web2.example.com
      
      [databases]
      # Add your database servers here
      # db1.example.com
      # db2.example.com
      
      [all:vars]
      ansible_user=ansible
      ansible_ssh_private_key_file=/home/ansible/.ssh/id_rsa

  - path: /home/ansible/playbooks/example.yml
    content: |
      ---
      - name: Example Playbook
        hosts: all
        become: yes
        tasks:
          - name: Ensure system is up to date
            apt:
              update_cache: yes
              upgrade: dist
              
          - name: Install essential packages
            apt:
              name:
                - htop
                - vim
                - curl
                - wget
              state: present
              
          - name: Create example file
            copy:
              content: "Managed by Ansible"
              dest: /tmp/ansible-managed.txt
              mode: '0644'
    owner: ansible:ansible

runcmd:
  # Install Ansible
  - pip3 install ansible
  - pip3 install ansible-core
  
  # Create directories
  - mkdir -p /var/log
  - touch /var/log/ansible.log
  - chown ansible:ansible /var/log/ansible.log
  - mkdir -p /home/ansible/.ssh
  - mkdir -p /home/ansible/playbooks
  - chown -R ansible:ansible /home/ansible
  
  # Generate SSH key for ansible user
  - sudo -u ansible ssh-keygen -t rsa -b 4096 -f /home/ansible/.ssh/id_rsa -N ""
  
  # Install Ansible collections
  - sudo -u ansible ansible-galaxy collection install community.general
  - sudo -u ansible ansible-galaxy collection install ansible.posix
  
  # Test Ansible installation
  - sudo -u ansible ansible --version
  - sudo -u ansible ansible localhost -m ping
  
  - echo "Ansible installed successfully"
  - echo "SSH public key for distribution:"
  - cat /home/ansible/.ssh/id_rsa.pub

How to Use This Script

Cloud Provider Examples

Amazon EC2

aws ec2 run-instances
  --image-id ami-12345678
  --instance-type t3.micro
  --user-data file://script.yaml

DigitalOcean

doctl compute droplet create
  --image ubuntu-22-04-x64
  --size s-1vcpu-1gb
  --user-data-file script.yaml
  my-droplet

Google Cloud

gcloud compute instances create
  my-instance
  --metadata-from-file
  user-data=script.yaml