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glances.js
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import { httpProxy } from "utils/proxy/http";
import createLogger from "utils/logger";
import { getPrivateWidgetOptions } from "utils/config/widget-helpers";
const logger = createLogger("glances");
async function retrieveFromGlancesAPI(privateWidgetOptions, endpoint) {
let errorMessage;
const url = privateWidgetOptions?.url;
if (!url) {
errorMessage = "Missing Glances URL";
logger.error(errorMessage);
throw new Error(errorMessage);
}
const apiUrl = `${url}/api/${privateWidgetOptions.version}/${endpoint}`;
const headers = {
"Accept-Encoding": "application/json",
};
if (privateWidgetOptions.username && privateWidgetOptions.password) {
headers.Authorization = `Basic ${Buffer.from(
`${privateWidgetOptions.username}:${privateWidgetOptions.password}`,
).toString("base64")}`;
}
const params = { method: "GET", headers };
const [status, , data] = await httpProxy(apiUrl, params);
if (status === 401) {
errorMessage = `Authorization failure getting data from glances API. Data: ${data.toString()}`;
logger.error(errorMessage);
throw new Error(errorMessage);
}
if (status !== 200) {
errorMessage = `HTTP ${status} getting data from glances API. Data: ${data.toString()}`;
logger.error(errorMessage);
throw new Error(errorMessage);
}
return JSON.parse(Buffer.from(data).toString());
}
export default async function handler(req, res) {
const { index, cputemp: includeCpuTemp, uptime: includeUptime, disk: includeDisks, version } = req.query;
const privateWidgetOptions = await getPrivateWidgetOptions("glances", index);
privateWidgetOptions.version = version ?? 3;
try {
const cpuData = await retrieveFromGlancesAPI(privateWidgetOptions, "cpu");
const loadData = await retrieveFromGlancesAPI(privateWidgetOptions, "load");
const memoryData = await retrieveFromGlancesAPI(privateWidgetOptions, "mem");
const data = {
cpu: cpuData,
load: loadData,
mem: memoryData,
};
// Disabled by default, dont call unless needed
if (includeUptime) {
data.uptime = await retrieveFromGlancesAPI(privateWidgetOptions, "uptime");
}
if (includeCpuTemp) {
data.sensors = await retrieveFromGlancesAPI(privateWidgetOptions, "sensors");
}
if (includeDisks) {
data.fs = await retrieveFromGlancesAPI(privateWidgetOptions, "fs");
}
return res.status(200).send(data);
} catch (e) {
return res.status(400).json({ error: e.message });
}
}