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lan-web/utils/proxmox_client.py
2025-09-16 09:25:23 +02:00

126 lines
4.7 KiB
Python

import json
import requests
from typing import Dict, Any, Optional
from utils.cache import read_cache, write_cache
class ProxmoxClient:
def __init__(self, base_url: str, user: Optional[str] = None, password: Optional[str] = None, api_token: Optional[str] = None, verify: bool = True, ca_bundle: Optional[str] = None):
self.base_url = base_url.rstrip('/')
self.session = requests.Session()
self.user = user
self.password = password
self.api_token = api_token
self.csrf_token = None
self.verify = verify
self.ca_bundle = ca_bundle or None
# configure auth: prefer API token (PVEAPIToken=userid!tokenid=secret)
if api_token:
# API token format expected by env: <userid>!<tokenid>=<secret>
# We'll provide it as a header 'Authorization: PVEAPIToken=<token>'
self.session.headers.update(
{'Authorization': f'PVEAPIToken={api_token}'})
# Do not login during __init__ to avoid network calls at import time.
self._logged_in = False
def _login(self) -> None:
url = f"{self.base_url}/access/ticket"
resp = self.session.post(
url,
data={'username': self.user, 'password': self.password},
verify=(self.ca_bundle if self.ca_bundle else self.verify),
timeout=10,
)
resp.raise_for_status()
data = resp.json().get('data', {})
ticket = data.get('ticket')
csrf = data.get('CSRFPreventionToken') or data.get('csrf_token')
if ticket:
# set cookie for subsequent requests. real Session has cookies with set();
# if the session object doesn't support cookies (e.g., dummy in tests),
# fall back to adding a Cookie header.
try:
self.session.cookies.set('PVEAuthCookie', ticket)
except Exception:
# fallback to header
existing = self.session.headers.get('Cookie', '')
cookie_val = f'PVEAuthCookie={ticket}'
if existing:
c = str(existing) + '; ' + cookie_val
self.session.headers['Cookie'] = c
else:
self.session.headers['Cookie'] = cookie_val
if csrf:
self.csrf_token = csrf
self.session.headers.update({'CSRFPreventionToken': csrf})
# mark logged in so future requests don't re-login
self._logged_in = True
def _ensure_logged_in(self) -> None:
if self.api_token or self._logged_in:
return
# if PVEAuthCookie already present in headers, treat as logged in
if 'PVEAuthCookie' in self.session.headers.get('Cookie', ''):
self._logged_in = True
return
if self.user and self.password:
self._login()
def _get(self, path: str) -> Dict[str, Any]:
url = f"{self.base_url}/{path.lstrip('/')}"
# ensure authentication is ready before GET
self._ensure_logged_in()
# try cache first
cache_key = json.dumps(
{'method': 'GET', 'url': url, 'params': None}, sort_keys=True)
cached = read_cache(cache_key)
if cached is not None:
return cached
resp = self.session.get(url, verify=(
self.ca_bundle if self.ca_bundle else self.verify), timeout=10)
resp.raise_for_status()
try:
data = resp.json()
except ValueError:
data = {'raw': resp.text}
# write cache (best-effort)
try:
write_cache(cache_key, data)
except Exception:
pass
return data
def get_cluster(self) -> Dict[str, Any]:
# /cluster/resources returns resources including nodes
data = self._get('/cluster/resources')
nodes = []
for item in data.get('data', []):
if item.get('type') == 'node':
node_name = item.get('node')
try:
qemu = self._get(f'/nodes/{node_name}/qemu')
vms = qemu.get('data', [])
except Exception:
vms = []
try:
lxc = self._get(f'/nodes/{node_name}/lxc')
containers = lxc.get('data', [])
except Exception:
containers = []
node = {
'name': node_name,
'status': item.get('status'),
'memory': item.get('maxmem'),
'cpu': item.get('maxcpu'),
'qemu': vms,
'lxc': containers,
}
nodes.append(node)
return {'nodes': nodes}