264 lines
9.6 KiB
Python
264 lines
9.6 KiB
Python
import json
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import requests
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from typing import Dict, Any, List, Optional
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from utils.cache import read_cache, write_cache
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SITE_NAME = 'monitoring'
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PROTO = 'http' # or 'https'
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INSTANCES = {
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"pve": "192.168.88.91",
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"naspve": "192.168.88.92"
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}
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PATHS = {
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"host_status": "domain-types/host_config/collections/all",
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"host_status_single": "objects/host/{hostname}",
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"host_services": "domain-types/service/collections/all"
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}
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def get_api_url(hostname: str) -> str:
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return f"{PROTO}://{INSTANCES[hostname]}/{SITE_NAME}/check_mk/api/1.0"
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def get_api_endpoint(hostname: str, type: str) -> str:
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base = f"{PROTO}://{INSTANCES[hostname]}/{SITE_NAME}/check_mk/api/1.0"
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url = PATHS.get(type, '')
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return f"{base}/{url}"
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class CheckMKClient:
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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):
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self.base_url = base_url.rstrip('/')
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self.session = requests.Session()
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self.user = user
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self.password = password
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self.api_token = api_token
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self.verify = verify
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self.ca_bundle = ca_bundle or None
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# Use API token if provided (Check_MK uses 'Authorization: <token>' or 'OMD-LOGIN' depending on setup)
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if api_token:
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self.session.headers.update({'Authorization': api_token})
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elif user and password:
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self.session.auth = (user, password)
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def _get(self, path: Optional[str], params: Optional[Dict[str, Any]] = None, url: Optional[str] = None) -> Dict[str, Any]:
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url = url or f"{self.base_url}/{path.lstrip('/')}"
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# Try cache first
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cache_key = json.dumps({'method': 'GET', 'url': url, 'params': params, 'verify': (
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self.ca_bundle if self.ca_bundle else self.verify)}, sort_keys=True)
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cached = read_cache(cache_key)
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if cached is not None:
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# if session records last_get (used by tests), try to populate it
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try:
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self.session.last_get = dict(url=url, params=params,
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verify=(self.ca_bundle if self.ca_bundle else self.verify), timeout=10)
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except Exception:
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pass
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return cached
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resp = self.session.get(
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url,
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params=params,
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verify=(self.ca_bundle if self.ca_bundle else self.verify),
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timeout=10,
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)
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resp.raise_for_status()
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# Try to parse JSON; some Check_MK endpoints (e.g., Livestatus) may return plain text
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try:
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data = resp.json()
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except ValueError:
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data = {'raw': resp.text}
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# write cache
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try:
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write_cache(cache_key, data)
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except Exception:
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pass
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return data
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def get_host_status(self, hostname: str) -> Dict[str, Any]:
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# Query the host_config collection endpoint to retrieve all hosts,
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# cache the full collection, and return the matching host from the cache.
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try:
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# Use the collection endpoint and these query params (as requested)
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url_path = PATHS.get("host_status", "")
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params = {
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'effective_attributes': 'false',
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'include_links': 'false',
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'fields': '!(links)',
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'site': 'monitoring',
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}
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# Build the collection URL from the configured base_url
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url = f"{self.base_url.rstrip('/')}/{url_path.lstrip('/')}"
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cache_key = json.dumps({'method': 'GET', 'url': url, 'params': params, 'verify': (
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self.ca_bundle if self.ca_bundle else self.verify)}, sort_keys=True)
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# Try cached collection first
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cached = read_cache(cache_key)
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if cached is not None:
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data = cached
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else:
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resp = self.session.get(
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url,
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params=params,
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verify=(self.ca_bundle if self.ca_bundle else self.verify),
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timeout=20,
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)
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resp.raise_for_status()
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try:
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data = resp.json()
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except ValueError:
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data = None
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# write full collection to cache (best-effort)
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try:
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write_cache(cache_key, data)
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except Exception:
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pass
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except Exception:
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return {}
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# Normalize the collection into an iterable list of host objects
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hosts = []
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if data is None:
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data = {}
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if isinstance(data, dict):
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if 'result' in data:
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res = data.get('result')
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if isinstance(res, list):
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hosts = res
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elif isinstance(res, dict):
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hosts = list(res.values())
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elif isinstance(data.get('hosts'), list):
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hosts = data.get('hosts')
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else:
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vals = [v for v in data.values() if isinstance(v, dict)
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or isinstance(v, list)]
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for v in vals:
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if isinstance(v, list):
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hosts.extend(v)
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elif isinstance(data, list):
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hosts = data
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# Find host by common keys in the collection
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for h in hosts:
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if not isinstance(h, dict):
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continue
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for key in ('id', 'name', 'host_name'):
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if key in h and h.get(key) == hostname:
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return h
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# If collection didn't yield a match, fall back to the host-specific endpoint
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try:
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params = {'columns': ['name', 'host_name', 'state'], '_pretty': 1}
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from urllib.parse import quote
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safe_name = quote(hostname, safe='')
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data2 = self._get(
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path=f'/api/1.0/objects/host/{safe_name}', params=params)
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except Exception:
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data2 = None
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if isinstance(data2, dict):
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if 'result' in data2:
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res = data2.get('result')
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if isinstance(res, list):
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return res[0] if res else {}
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if isinstance(res, dict):
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return res
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if any(k in data2 for k in ('name', 'host_name', 'state')):
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return data2
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return {}
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def get_host_services(self, hostname: str) -> List[Dict[str, Any]]:
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# Use the collection POST endpoint to query services by host
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try:
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headers = {"Content-Type": "application/json"}
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payload = {
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"sites": ["monitoring"],
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"columns": ["host_name", "description", "state"],
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"query": {"op": "=", "left": "host_name", "right": hostname},
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"host_name": hostname,
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}
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verify = self.ca_bundle if self.ca_bundle else self.verify
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# perform POST with JSON payload; build URL from configured base_url
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url = get_api_endpoint(hostname, 'host_services')
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cache_key = json.dumps(
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{'method': 'POST', 'url': url, 'json': payload, 'verify': verify}, sort_keys=True)
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cached = read_cache(cache_key)
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if cached is not None:
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# try to populate session.last_post for test introspection
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try:
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self.session.last_post = dict(
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url=url, headers=headers, json=payload, verify=verify, timeout=20)
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except Exception:
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pass
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# normalize cached response to a list of services (tests expect a list)
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if isinstance(cached, dict):
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for key in ('result', 'value', 'services'):
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res = cached.get(key)
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if isinstance(res, list):
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return res
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if isinstance(res, dict):
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return list(res.values())
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if isinstance(cached, list):
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return cached
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return []
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resp = self.session.post(
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url,
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headers={"Content-Type": "application/json"},
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json=payload,
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verify=(self.ca_bundle if self.ca_bundle else self.verify),
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timeout=20,
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)
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resp.raise_for_status()
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try:
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data = resp.json()
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except ValueError:
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data = None
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return []
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# write cache
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try:
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write_cache(cache_key, data)
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except Exception:
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pass
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except Exception as e:
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return []
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# data usually contains 'result' with a list of services
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if isinstance(data, dict):
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for key in ('result', 'value', 'services'):
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res = data.get(key)
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if isinstance(res, list):
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return res
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if isinstance(res, dict):
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return list(res.values())
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if isinstance(data, list):
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return data
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return []
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def get_service_detail(self, service_url: str) -> Dict[str, Any]:
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# Use the provided service URL to get detailed information about a specific service
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base_url = service_url.split('/api/1.0')[0]
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path = service_url.split('/api/1.0')[-1]
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try:
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data = self._get(url=service_url, path=path)
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except Exception:
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data = {}
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if isinstance(data, dict):
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return data
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if isinstance(data, list):
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if data:
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return data[0]
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return {}
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return {}
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