selfprivacy-rest-api/selfprivacy_api/utils/prometheus.py

60 lines
1.9 KiB
Python

"""Prometheus monitoring queries."""
# pylint: disable=too-few-public-methods
import time
import typing
from typing import Optional
PROMETHEUS_URL = "http://localhost:9001"
class PrometheusInfo:
""" """
http_response: int
output: Optional[typing.Dict] = None
error: Optional[str] = None
class PrometheusQueries:
@staticmethod
def _send_request(endpoint="/api/v1/query", params=None) -> PrometheusInfo:
try:
response = requests.get(f"{PROMETHEUS_URL}{endpoint}", params=params)
return PrometheusInfo(
http_response=response.status_code,
output=(response.json() if response.status_code == 200 else None),
)
except requests.RequestException as error:
return PrometheusInfo(
http_response=500,
error=str(error),
)
@staticmethod
def cpu_usage(
start: int = int((datetime.now() - timedelta(minutes=20)).timestamp()),
end: int = int(datetime.now().timestamp()),
step: int = 60,
) -> PrometheusInfo:
"""Get CPU information"""
query = '100 - (avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[5m])) * 100)'
params = {"query": query, "start": start, "end": end, "step": step}
return self._send_request(params=params)
@staticmethod
def disk_usage(
start: int = int((datetime.now() - timedelta(minutes=20)).timestamp()),
end: int = int(datetime.now().timestamp()),
step: int = 60,
) -> PrometheusInfo:
"""Get disk usage information"""
query = '100 - (100 * ((node_filesystem_avail_bytes{mountpoint="/",fstype!="rootfs"} ) / (node_filesystem_size_bytes{mountpoint="/",fstype!="rootfs"}) ))'
params = {"query": query, "start": start, "end": end, "step": step}
return self._send_request(params=params)