83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
from app.log import LOG
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from monitor.metric import UpcloudMetric, UpcloudMetrics, UpcloudRecord
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import base64
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import requests
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from typing import Any
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BASE_URL = "https://api.upcloud.com"
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def get_metric(json: Any, metric: str) -> UpcloudMetric:
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records = []
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if metric in json:
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metric_data = json[metric]
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data = metric_data["data"]
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cols = list(map(lambda x: x["label"], data["cols"][1:]))
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latest = data["rows"][-1]
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time = latest[0]
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for column_idx in range(len(cols)):
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value = latest[1 + column_idx]
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# If the latest value is None, try to fetch the second to last
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if value is None:
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value = data["rows"][-2][1 + column_idx]
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if value is not None:
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label = cols[column_idx]
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if "(master)" in label:
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db_role = "master"
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else:
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db_role = "standby"
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records.append(
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UpcloudRecord(time=time, db_role=db_role, label=label, value=value)
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)
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else:
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LOG.warn(f"Could not get value for metric {metric}")
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return UpcloudMetric(metric_name=metric, records=records)
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def get_metrics(json: Any) -> UpcloudMetrics:
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return UpcloudMetrics(
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metrics=[
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get_metric(json, "cpu_usage"),
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get_metric(json, "disk_usage"),
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get_metric(json, "diskio_reads"),
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get_metric(json, "diskio_writes"),
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get_metric(json, "load_average"),
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get_metric(json, "mem_usage"),
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get_metric(json, "net_receive"),
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get_metric(json, "net_send"),
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]
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)
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class UpcloudClient:
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def __init__(self, username: str, password: str):
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if not username:
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raise Exception("UpcloudClient username must be set")
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if not password:
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raise Exception("UpcloudClient password must be set")
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client = requests.Session()
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encoded_auth = base64.b64encode(
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f"{username}:{password}".encode("utf-8")
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).decode("utf-8")
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client.headers = {"Authorization": f"Basic {encoded_auth}"}
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self.__client = client
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def get_metrics(self, db_uuid: str) -> UpcloudMetrics:
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url = f"{BASE_URL}/1.3/database/{db_uuid}/metrics?period=hour"
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LOG.d(f"Performing request to {url}")
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response = self.__client.get(url)
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LOG.d(f"Status code: {response.status_code}")
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if response.status_code != 200:
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return UpcloudMetrics(metrics=[])
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as_json = response.json()
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return get_metrics(as_json)
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