proxmox/scripts/scan-all-containers.py

#!/usr/bin/env python3
"""
Scan all containers across all Proxmox hosts
Outputs: VMID, name, host, IP config, current IP, status
"""

import subprocess
import sys
from datetime import datetime
import re

HOSTS = [
    ("192.168.11.10", "ml110"),
    ("192.168.11.11", "r630-01"),
    ("192.168.11.12", "r630-02"),
]

def ssh_command(host, command):
    """Execute SSH command and return output"""
    try:
        result = subprocess.run(
            ["ssh", "-o", "ConnectTimeout=10", f"root@{host}", command],
            capture_output=True,
            text=True,
            timeout=30
        )
        return result.stdout.strip() if result.returncode == 0 else ""
    except Exception as e:
        print(f"  Error executing command on {host}: {e}", file=sys.stderr)
        return ""

def get_container_info(host, vmid):
    """Get all info for a container in one call"""
    script = f"""
    name=$(pct config {vmid} 2>/dev/null | grep '^name:' | cut -d: -f2 | tr -d ' ' || echo 'unnamed')
    hostname_vm=$(pct config {vmid} 2>/dev/null | grep '^hostname:' | cut -d: -f2 | tr -d ' ' || echo 'N/A')
    status=$(pct status {vmid} 2>/dev/null | grep 'status:' | awk '{{print $2}}' || echo 'unknown')
    net_config=$(pct config {vmid} 2>/dev/null | grep '^net0:' || echo '')
    ip_config='N/A'
    current_ip='N/A'
    if echo "$net_config" | grep -q 'ip='; then
        ip_config=$(echo "$net_config" | grep -oE 'ip=[^,]+' | cut -d= -f2)
        if [ "$ip_config" = 'dhcp' ] || [ "$ip_config" = 'auto' ]; then
            if [ "$status" = 'running' ]; then
                current_ip=$(pct exec {vmid} -- hostname -I 2>/dev/null | awk '{{print $1}}' || echo 'N/A')
            fi
        else
            current_ip=$(echo "$ip_config" | cut -d'/' -f1)
        fi
    fi
    echo "$name|$hostname_vm|$status|$ip_config|$current_ip"
    """
    output = ssh_command(host, script)
    if output:
        parts = output.split('|')
        if len(parts) == 5:
            return {
                'name': parts[0],
                'hostname': parts[1],
                'status': parts[2],
                'ip_config': parts[3],
                'current_ip': parts[4]
            }
    return None

def main():
    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
    output_file = f"/home/intlc/projects/proxmox/CONTAINER_INVENTORY_{timestamp}.md"
    csv_file = f"/home/intlc/projects/proxmox/container_inventory_{timestamp}.csv"
    
    print("=== Scanning All Containers Across All Hosts ===\n")
    
    # Create output files
    with open(output_file, 'w') as f:
        f.write(f"""# Container Inventory - Complete Scan

**Generated**: {datetime.now().strftime("%Y-%m-%d %H:%M:%S")}
**Purpose**: Complete inventory of all containers across all Proxmox hosts

---

## All Containers

| VMID | Name | Host | Status | IP Config | Current IP | Hostname |
|------|------|------|--------|----------|------------|----------|
""")
    
    with open(csv_file, 'w') as f:
        f.write("VMID,Name,Host,Status,IP_Config,Current_IP,Hostname\n")
    
    dhcp_count = 0
    static_count = 0
    total_count = 0
    
    for host_ip, hostname in HOSTS:
        print(f"Scanning {hostname} ({host_ip})...")
        
        # Get all VMIDs
        vmids_output = ssh_command(host_ip, "pct list 2>/dev/null | tail -n +2 | awk '{print $1}'")
        if not vmids_output:
            print(f"  No containers found on {hostname}")
            continue
        
        vmids = [vmid.strip() for vmid in vmids_output.split('\n') if vmid.strip()]
        
        for vmid in vmids:
            info = get_container_info(host_ip, vmid)
            if not info:
                continue
            
            total_count += 1
            
            # Count by type
            if info['ip_config'] in ['dhcp', 'auto']:
                dhcp_count += 1
            elif info['ip_config'] != 'N/A' and info['ip_config']:
                static_count += 1
            
            # Write to files
            with open(output_file, 'a') as f:
                f.write(f"| {vmid} | {info['name']} | {hostname} | {info['status']} | {info['ip_config']} | {info['current_ip']} | {info['hostname']} |\n")
            
            with open(csv_file, 'a') as f:
                f.write(f"{vmid},\"{info['name']}\",{hostname},{info['status']},{info['ip_config']},{info['current_ip']},{info['hostname']}\n")
    
    print(f"\n=== Scan Complete ===")
    print(f"Total containers scanned: {total_count}")
    print(f"Output files:")
    print(f"  - {output_file}")
    print(f"  - {csv_file}")
    print(f"\n=== Summary by IP Configuration ===")
    print(f"DHCP containers: {dhcp_count}")
    print(f"Static IP containers: {static_count}")
    print(f"Total containers: {total_count}")

if __name__ == "__main__":
    main()