prometheus-pve-sd/prometheuspvesd/client.py

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"""Proxmox Client."""
import requests
from prometheus_client import Counter
from prometheuspvesd.config import SingleConfig
from prometheuspvesd.exception import APIError
from prometheuspvesd.logger import SingleLog
from prometheuspvesd.model import HostList
from prometheuspvesd.utils import to_bool
try:
from proxmoxer import ProxmoxAPI
HAS_PROXMOXER = True
except ImportError:
HAS_PROXMOXER = False
PVE_REQUEST_COUNT_TOTAL = Counter("pve_sd_requests_total", "Total count of requests to PVE API")
PVE_REQUEST_COUNT_ERROR_TOTAL = Counter(
"pve_sd_requests_error_total", "Total count of failed requests to PVE API"
)
class ProxmoxClient:
"""Proxmox API Client."""
def __init__(self):
if not HAS_PROXMOXER:
self.log.sysexit_with_message(
"The Proxmox VE Prometheus SD requires proxmoxer: "
"https://pypi.org/project/proxmoxer/"
)
self.config = SingleConfig()
self.log = SingleLog()
self.logger = SingleLog().logger
self.client = self._auth()
self.logger.debug("Successfully authenticated")
self.host_list = HostList()
def _auth(self):
try:
self.logger.debug(
"Trying to authenticate against {} as user {}".format(
self.config.config["pve"]["server"], self.config.config["pve"]["user"]
)
)
if self.config.config["pve"]["token_name"]:
self.logger.debug("Using token login")
return ProxmoxAPI(
self.config.config["pve"]["server"],
user=self.config.config["pve"]["user"],
token_name=self.config.config["pve"]["token_name"],
token_value=self.config.config["pve"]["token_value"],
verify_ssl=to_bool(self.config.config["pve"]["verify_ssl"]),
timeout=self.config.config["pve"]["auth_timeout"]
)
return ProxmoxAPI(
self.config.config["pve"]["server"],
user=self.config.config["pve"]["user"],
password=self.config.config["pve"]["password"],
verify_ssl=to_bool(self.config.config["pve"]["verify_ssl"]),
timeout=self.config.config["pve"]["auth_timeout"]
)
except requests.RequestException as e:
PVE_REQUEST_COUNT_ERROR_TOTAL.inc()
raise APIError(str(e)) from e
def _do_request(self, *args):
PVE_REQUEST_COUNT_TOTAL.inc()
try:
# create a new tuple containing nodes and unpack it again for client.get
return self.client.get(*("nodes", *args))
except requests.RequestException as e:
PVE_REQUEST_COUNT_ERROR_TOTAL.inc()
raise APIError(str(e)) from e
def get_nodes(self):
self.logger.debug("fetching all nodes")
return self._do_request()
def get_all_vms(self, pve_node):
self.logger.debug(f"fetching all vms on node {pve_node}")
return self._do_request(pve_node, "qemu")
def get_all_containers(self, pve_node):
self.logger.debug(f"fetching all containers on node {pve_node}")
return self._do_request(pve_node, "lxc")
def get_instance_config(self, pve_node, pve_type, vmid):
self.logger.debug(f"fetching instance config for {vmid} on {pve_node}")
return self._do_request(pve_node, pve_type, vmid, "config")
def get_agent_info(self, pve_node, pve_type, vmid):
self.logger.debug(f"fetching agent info for {vmid} on {pve_node}")
return self._do_request(pve_node, pve_type, vmid, "agent", "info")["result"]
def get_network_interfaces(self, pve_node, vmid):
self.logger.debug(f"fetching network interfaces for {vmid} on {pve_node}")
return self._do_request(pve_node, "qemu", vmid, "agent",
"network-get-interfaces")["result"]