inventory-manager

# Inventory Manager

## Quick Start

Organize Ansible inventory with proper host groups, variables, and dynamic inventory sources.

## Instructions

### Step 1: Create static inventory

**INI format:**
```ini
# inventory/production
[webservers]
web1 ansible_host=192.168.1.10
web2 ansible_host=192.168.1.11

[databases]
db1 ansible_host=192.168.1.20
db2 ansible_host=192.168.1.21

[loadbalancers]
lb1 ansible_host=192.168.1.30

[production:children]
webservers
databases
loadbalancers

[production:vars]
ansible_user=deploy
ansible_python_interpreter=/usr/bin/python3
environment=production
```

**YAML format:**
```yaml
# inventory/production.yml
all:
  children:
    production:
      children:
        webservers:
          hosts:
            web1:
              ansible_host: 192.168.1.10
            web2:
              ansible_host: 192.168.1.11
        databases:
          hosts:
            db1:
              ansible_host: 192.168.1.20
            db2:
              ansible_host: 192.168.1.21
        loadbalancers:
          hosts:
            lb1:
              ansible_host: 192.168.1.30
      vars:
        ansible_user: deploy
        environment: production
```

### Step 2: Organize group variables

**Directory structure:**
```
inventory/
├── production
├── staging
├── group_vars/
│   ├── all.yml
│   ├── webservers.yml
│   ├── databases.yml
│   └── production.yml
└── host_vars/
    ├── web1.yml
    └── db1.yml
```

**group_vars/all.yml:**
```yaml
---
# Variables for all hosts
ansible_python_interpreter: /usr/bin/python3
ntp_servers:
  - 0.pool.ntp.org
  - 1.pool.ntp.org
```

**group_vars/webservers.yml:**
```yaml
---
# Variables for webservers group
nginx_port: 80
nginx_worker_processes: 4
app_directory: /var/www/app
```

**group_vars/production.yml:**
```yaml
---
# Variables for production environment
environment: production
backup_enabled: true
monitoring_enabled: true
```

### Step 3: Configure host-specific variables

**host_vars/web1.yml:**
```yaml
---
nginx_wor