mirror of
https://github.com/pacnpal/thrillwiki_django_no_react.git
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d504d41de2
- Add complete backend/ directory with full Django application - Add frontend/ directory with Vite + TypeScript setup ready for Next.js - Add comprehensive shared/ directory with: - Complete documentation and memory-bank archives - Media files and avatars (letters, park/ride images) - Deployment scripts and automation tools - Shared types and utilities - Add architecture/ directory with migration guides - Configure pnpm workspace for monorepo development - Update .gitignore to exclude .django_tailwind_cli/ build artifacts - Preserve all historical documentation in shared/docs/memory-bank/ - Set up proper structure for full-stack development with shared resources
571 lines
20 KiB
Python
571 lines
20 KiB
Python
#!/usr/bin/env python3
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"""
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VM Manager for Unraid
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Handles VM creation, configuration, and lifecycle management.
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"""
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import os
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import time
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import logging
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import subprocess
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from pathlib import Path
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from typing import Optional
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import uuid
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logger = logging.getLogger(__name__)
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class UnraidVMManager:
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"""Manages VMs on Unraid server."""
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def __init__(self, vm_name: str, unraid_host: str, unraid_user: str = "root"):
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self.vm_name = vm_name
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self.unraid_host = unraid_host
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self.unraid_user = unraid_user
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self.vm_config_path = f"/mnt/user/domains/{vm_name}"
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def authenticate(self) -> bool:
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"""Test SSH connectivity to Unraid server."""
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try:
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result = subprocess.run(
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f"ssh -o ConnectTimeout=10 {self.unraid_user}@{self.unraid_host} 'echo Connected'",
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shell=True,
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capture_output=True,
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text=True,
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timeout=15,
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)
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if result.returncode == 0 and "Connected" in result.stdout:
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logger.info("Successfully connected to Unraid via SSH")
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return True
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else:
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logger.error(f"SSH connection failed: {result.stderr}")
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return False
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except Exception as e:
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logger.error(f"SSH authentication error: {e}")
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return False
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def check_vm_exists(self) -> bool:
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"""Check if VM already exists."""
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try:
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result = subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'virsh list --all | grep {self.vm_name}'",
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shell=True,
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capture_output=True,
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text=True,
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)
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return self.vm_name in result.stdout
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except Exception as e:
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logger.error(f"Error checking VM existence: {e}")
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return False
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def _generate_mac_suffix(self, vm_ip: str) -> str:
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"""Generate MAC address suffix based on VM IP or name."""
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if vm_ip.lower() != "dhcp" and "." in vm_ip:
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# Use last octet of static IP for MAC generation
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last_octet = int(vm_ip.split(".")[-1])
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return f"{last_octet:02x}:7d:fd"
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else:
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# Use hash of VM name for consistent MAC generation
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import hashlib
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hash_obj = hashlib.md5(self.vm_name.encode())
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hash_bytes = hash_obj.digest()[:3]
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return ":".join([f"{b:02x}" for b in hash_bytes])
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def create_vm_xml(
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self,
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vm_memory: int,
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vm_vcpus: int,
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vm_ip: str,
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existing_uuid: str = None,
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) -> str:
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"""Generate VM XML configuration from template file."""
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vm_uuid = existing_uuid if existing_uuid else str(uuid.uuid4())
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# Read XML template from file
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template_path = Path(__file__).parent / "thrillwiki-vm-template.xml"
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if not template_path.exists():
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raise FileNotFoundError(f"VM XML template not found at {template_path}")
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with open(template_path, "r", encoding="utf-8") as f:
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xml_template = f.read()
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# Calculate CPU topology
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cpu_cores = vm_vcpus // 2 if vm_vcpus > 1 else 1
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cpu_threads = 2 if vm_vcpus > 1 else 1
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# Replace placeholders with actual values
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xml_content = xml_template.format(
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VM_NAME=self.vm_name,
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VM_UUID=vm_uuid,
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VM_MEMORY_KIB=vm_memory * 1024,
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VM_VCPUS=vm_vcpus,
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CPU_CORES=cpu_cores,
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CPU_THREADS=cpu_threads,
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MAC_SUFFIX=self._generate_mac_suffix(vm_ip),
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)
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return xml_content.strip()
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def upload_iso_to_unraid(self, local_iso_path: Path) -> str:
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"""Upload ISO to Unraid server."""
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remote_iso_path = f"/mnt/user/isos/{
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self.vm_name}-ubuntu-autoinstall.iso"
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logger.info(f"Uploading ISO to Unraid: {remote_iso_path}")
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try:
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# Remove old ISO if exists
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subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'rm -f {remote_iso_path}'",
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shell=True,
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check=False, # Don't fail if file doesn't exist
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)
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# Upload new ISO
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subprocess.run(
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f"scp {local_iso_path} {self.unraid_user}@{self.unraid_host}:{remote_iso_path}",
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shell=True,
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check=True,
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)
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logger.info(f"ISO uploaded successfully: {remote_iso_path}")
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return remote_iso_path
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except Exception as e:
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logger.error(f"Failed to upload ISO: {e}")
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raise
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def create_vm(
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self, vm_memory: int, vm_vcpus: int, vm_disk_size: int, vm_ip: str
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) -> bool:
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"""Create or update the VM on Unraid."""
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try:
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vm_exists = self.check_vm_exists()
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if vm_exists:
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logger.info(
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f"VM {
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self.vm_name} already exists, updating configuration..."
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)
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# Always try to stop VM before updating
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current_status = self.vm_status()
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logger.info(f"Current VM status: {current_status}")
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if current_status not in ["shut off", "unknown"]:
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logger.info(
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f"Stopping VM {
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self.vm_name} for configuration update..."
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)
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self.stop_vm()
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time.sleep(3)
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else:
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logger.info(f"VM {self.vm_name} is already stopped")
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else:
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logger.info(f"Creating VM {self.vm_name}...")
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# Ensure VM directory exists
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subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'mkdir -p {self.vm_config_path}'",
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shell=True,
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check=True,
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)
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# Create virtual disk if it doesn't exist
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disk_check = subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'test -f {self.vm_config_path}/vdisk1.qcow2'",
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shell=True,
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capture_output=True,
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)
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if disk_check.returncode != 0:
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logger.info(f"Creating virtual disk for VM {self.vm_name}...")
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disk_cmd = f"""
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ssh {self.unraid_user}@{self.unraid_host} 'qemu-img create -f qcow2 {self.vm_config_path}/vdisk1.qcow2 {vm_disk_size}G'
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"""
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subprocess.run(disk_cmd, shell=True, check=True)
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else:
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logger.info(
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f"Virtual disk already exists for VM {
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self.vm_name}"
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)
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existing_uuid = None
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if vm_exists:
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# Get existing VM UUID
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cmd = f'ssh {
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self.unraid_user}@{
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self.unraid_host} \'virsh dumpxml {
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self.vm_name} | grep "<uuid>" | sed "s/<uuid>//g" | sed "s/<\\/uuid>//g" | tr -d " "\''
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result = subprocess.run(
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cmd,
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shell=True,
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capture_output=True,
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text=True,
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)
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if result.returncode == 0 and result.stdout.strip():
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existing_uuid = result.stdout.strip()
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logger.info(f"Found existing VM UUID: {existing_uuid}")
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# Check if VM is persistent or transient
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persistent_check = subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'virsh list --persistent --all | grep {self.vm_name}'",
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shell=True,
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capture_output=True,
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text=True,
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)
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is_persistent = self.vm_name in persistent_check.stdout
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if is_persistent:
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# Undefine persistent VM with NVRAM flag
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logger.info(
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f"VM {
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self.vm_name} is persistent, undefining with NVRAM for reconfiguration..."
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)
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subprocess.run(
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f"ssh {
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self.unraid_user}@{
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self.unraid_host} 'virsh undefine {
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self.vm_name} --nvram'",
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shell=True,
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check=True,
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)
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logger.info(
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f"Persistent VM {
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self.vm_name} undefined for reconfiguration"
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)
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else:
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# Handle transient VM - just destroy it
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logger.info(
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f"VM {
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self.vm_name} is transient, destroying for reconfiguration..."
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)
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if self.vm_status() == "running":
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subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'virsh destroy {self.vm_name}'",
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shell=True,
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check=True,
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)
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logger.info(
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f"Transient VM {
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self.vm_name} destroyed for reconfiguration"
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)
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# Generate VM XML with appropriate UUID
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vm_xml = self.create_vm_xml(vm_memory, vm_vcpus, vm_ip, existing_uuid)
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xml_file = f"/tmp/{self.vm_name}.xml"
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with open(xml_file, "w", encoding="utf-8") as f:
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f.write(vm_xml)
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# Copy XML to Unraid and define/redefine VM
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subprocess.run(
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f"scp {xml_file} {self.unraid_user}@{self.unraid_host}:/tmp/",
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shell=True,
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check=True,
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)
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# Define VM as persistent domain
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subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'virsh define /tmp/{self.vm_name}.xml'",
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shell=True,
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check=True,
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)
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# Ensure VM is set to autostart for persistent configuration
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subprocess.run(
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f"ssh {
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self.unraid_user}@{
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self.unraid_host} 'virsh autostart {
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self.vm_name}'",
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shell=True,
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check=False, # Don't fail if autostart is already enabled
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)
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action = "updated" if vm_exists else "created"
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logger.info(f"VM {self.vm_name} {action} successfully")
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# Cleanup
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os.remove(xml_file)
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return True
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except Exception as e:
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logger.error(f"Failed to create VM: {e}")
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return False
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def create_nvram_file(self, vm_uuid: str) -> bool:
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"""Create NVRAM file for UEFI VM."""
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try:
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nvram_path = f"/etc/libvirt/qemu/nvram/{vm_uuid}_VARS-pure-efi.fd"
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# Check if NVRAM file already exists
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result = subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'test -f {nvram_path}'",
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shell=True,
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capture_output=True,
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)
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if result.returncode == 0:
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logger.info(f"NVRAM file already exists: {nvram_path}")
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return True
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# Copy template to create NVRAM file
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logger.info(f"Creating NVRAM file: {nvram_path}")
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result = subprocess.run(
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f"ssh {
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self.unraid_user}@{
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self.unraid_host} 'cp /usr/share/qemu/ovmf-x64/OVMF_VARS-pure-efi.fd {nvram_path}'",
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shell=True,
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capture_output=True,
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text=True,
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)
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if result.returncode == 0:
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logger.info("NVRAM file created successfully")
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return True
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else:
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logger.error(f"Failed to create NVRAM file: {result.stderr}")
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return False
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except Exception as e:
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logger.error(f"Error creating NVRAM file: {e}")
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return False
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def start_vm(self) -> bool:
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"""Start the VM if it's not already running."""
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try:
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# Check if VM is already running
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current_status = self.vm_status()
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if current_status == "running":
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logger.info(f"VM {self.vm_name} is already running")
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return True
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logger.info(f"Starting VM {self.vm_name}...")
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# For new VMs, we need to extract the UUID and create NVRAM file
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vm_exists = self.check_vm_exists()
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if not vm_exists:
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logger.error("Cannot start VM that doesn't exist")
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return False
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# Get VM UUID from XML
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cmd = f'ssh {
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self.unraid_user}@{
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self.unraid_host} \'virsh dumpxml {
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self.vm_name} | grep "<uuid>" | sed "s/<uuid>//g" | sed "s/<\\/uuid>//g" | tr -d " "\''
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result = subprocess.run(
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cmd,
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shell=True,
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capture_output=True,
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text=True,
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)
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if result.returncode == 0 and result.stdout.strip():
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vm_uuid = result.stdout.strip()
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logger.info(f"VM UUID: {vm_uuid}")
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# Create NVRAM file if it doesn't exist
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if not self.create_nvram_file(vm_uuid):
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return False
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result = subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'virsh start {self.vm_name}'",
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shell=True,
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capture_output=True,
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text=True,
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)
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if result.returncode == 0:
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logger.info(f"VM {self.vm_name} started successfully")
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return True
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else:
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logger.error(f"Failed to start VM: {result.stderr}")
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return False
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except Exception as e:
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logger.error(f"Error starting VM: {e}")
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return False
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def stop_vm(self) -> bool:
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"""Stop the VM with timeout and force destroy if needed."""
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try:
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logger.info(f"Stopping VM {self.vm_name}...")
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# Try graceful shutdown first
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result = subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'virsh shutdown {self.vm_name}'",
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shell=True,
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capture_output=True,
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text=True,
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timeout=10,
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)
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if result.returncode == 0:
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# Wait up to 30 seconds for graceful shutdown
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logger.info(
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f"Waiting for VM {
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self.vm_name} to shutdown gracefully..."
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)
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for i in range(30):
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status = self.vm_status()
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if status in ["shut off", "unknown"]:
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logger.info(f"VM {self.vm_name} stopped gracefully")
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return True
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time.sleep(1)
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# If still running after 30 seconds, force destroy
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logger.warning(
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f"VM {
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self.vm_name} didn't shutdown gracefully, forcing destroy..."
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)
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destroy_result = subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'virsh destroy {self.vm_name}'",
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shell=True,
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capture_output=True,
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text=True,
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timeout=10,
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)
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if destroy_result.returncode == 0:
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logger.info(f"VM {self.vm_name} forcefully destroyed")
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return True
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else:
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logger.error(
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f"Failed to destroy VM: {
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destroy_result.stderr}"
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)
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return False
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else:
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logger.error(
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f"Failed to initiate VM shutdown: {
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result.stderr}"
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)
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return False
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except subprocess.TimeoutExpired:
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logger.error(f"Timeout stopping VM {self.vm_name}")
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return False
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except Exception as e:
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logger.error(f"Error stopping VM: {e}")
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return False
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def get_vm_ip(self) -> Optional[str]:
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"""Get VM IP address."""
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try:
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# Wait for VM to get IP - Ubuntu autoinstall can take 20-30 minutes
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max_attempts = 120 # 20 minutes total wait time
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for attempt in range(max_attempts):
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result = subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'virsh domifaddr {self.vm_name}'",
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shell=True,
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capture_output=True,
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text=True,
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)
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if result.returncode == 0 and "ipv4" in result.stdout:
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lines = result.stdout.strip().split("\\n")
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for line in lines:
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if "ipv4" in line:
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# Extract IP from line like: vnet0
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# 52:54:00:xx:xx:xx ipv4
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# 192.168.1.100/24
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parts = line.split()
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if len(parts) >= 4:
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ip_with_mask = parts[3]
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ip = ip_with_mask.split("/")[0]
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logger.info(f"VM IP address: {ip}")
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return ip
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logger.info(
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f"Waiting for VM IP... (attempt {
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attempt + 1}/{max_attempts}) - Ubuntu autoinstall in progress"
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)
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time.sleep(10)
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logger.error("Failed to get VM IP address")
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return None
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except Exception as e:
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logger.error(f"Error getting VM IP: {e}")
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return None
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def vm_status(self) -> str:
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"""Get VM status."""
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try:
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result = subprocess.run(
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f"ssh {self.unraid_user}@{self.unraid_host} 'virsh domstate {self.vm_name}'",
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shell=True,
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capture_output=True,
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text=True,
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)
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if result.returncode == 0:
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return result.stdout.strip()
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else:
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return "unknown"
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except Exception as e:
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logger.error(f"Error getting VM status: {e}")
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return "error"
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def delete_vm(self) -> bool:
|
|
"""Completely remove VM and all associated files."""
|
|
try:
|
|
logger.info(
|
|
f"Deleting VM {
|
|
self.vm_name} and all associated files..."
|
|
)
|
|
|
|
# Check if VM exists
|
|
if not self.check_vm_exists():
|
|
logger.info(f"VM {self.vm_name} does not exist")
|
|
return True
|
|
|
|
# Stop VM if running
|
|
if self.vm_status() == "running":
|
|
logger.info(f"Stopping VM {self.vm_name}...")
|
|
self.stop_vm()
|
|
time.sleep(5)
|
|
|
|
# Undefine VM with NVRAM
|
|
logger.info(f"Undefining VM {self.vm_name}...")
|
|
subprocess.run(
|
|
f"ssh {
|
|
self.unraid_user}@{
|
|
self.unraid_host} 'virsh undefine {
|
|
self.vm_name} --nvram'",
|
|
shell=True,
|
|
check=True,
|
|
)
|
|
|
|
# Remove VM directory and all files
|
|
logger.info(f"Removing VM directory and files...")
|
|
subprocess.run(
|
|
f"ssh {self.unraid_user}@{self.unraid_host} 'rm -rf {self.vm_config_path}'",
|
|
shell=True,
|
|
check=True,
|
|
)
|
|
|
|
# Remove autoinstall ISO
|
|
subprocess.run(
|
|
f"ssh {
|
|
self.unraid_user}@{
|
|
self.unraid_host} 'rm -f /mnt/user/isos/{
|
|
self.vm_name}-ubuntu-autoinstall.iso'",
|
|
shell=True,
|
|
check=False, # Don't fail if file doesn't exist
|
|
)
|
|
|
|
logger.info(f"VM {self.vm_name} completely removed")
|
|
return True
|
|
|
|
except Exception as e:
|
|
logger.error(f"Failed to delete VM: {e}")
|
|
return False
|