55 lines
1.7 KiB
JavaScript
Executable File
55 lines
1.7 KiB
JavaScript
Executable File
import { $ } from 'bun';
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import http from 'http';
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const port = 1024;
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async function scrape() {
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const data = await $`pwrstat -status`.text();
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const r = /^\s*(.+?)\.{3,} (.+)$/gm;
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let found, map = {};
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while(!!(found = r.exec(data)))
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map[found[1]] = found[2];
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if(map["Remaining Runtime"]) {
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const parsed = /(\d+) (.)/gi.exec(map["Remaining Runtime"]);
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const unit = parsed[2].toLowerCase();
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if(unit == 'm') map["Remaining Runtime"] = Number(parsed[1]) * 60;
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if(unit == 'h') map["Remaining Runtime"] = Number(parsed[1]) * 60 * 60;
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}
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return {
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model: map["Model Name"],
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vendor: map["Power Supply by"],
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state: map["State"],
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charge: Number(/\d+/g.exec(map["Battery Capacity"])[0]) / 100,
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battery_time: map["Remaining Runtime"],
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rated_voltage: Number(/\d+/g.exec(map["Rating Voltage"])[0]),
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rated_wattage: Number(/\d+/g.exec(map["Rating Power"])[0]),
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input_state: map["State"] == 'Normal' ? 1 : 0,
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input_voltage: Number(/\d+/g.exec(map["Utility Voltage"])[0]),
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output_voltage: Number(/\d+/g.exec(map["Output Voltage"])[0]),
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load_wattage: Number(/\d+/g.exec(map["Load"])[0]),
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load_percentage: Number(/(\d+) %/g.exec(map["Load"])[1]) / 100,
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// last_test: map["Test Result"],
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// last_outage: map["Last Power Event"],
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};
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}
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function format(a) {
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let labels = Object.entries(a).filter(([key, value]) => typeof value == 'string')
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.map(([key, value]) => `${key}="${value}"`)
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.join(', ');
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if(labels) labels = `{${labels}}`;
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return Object.entries(a)
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.map(([key, value]) => `ups_${key}${labels} ${typeof value == 'string' ? 1 : value}`)
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.join('\n');
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}
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http.createServer(async (req, res) => {
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res.end(format(await scrape()));
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}).listen(port, () => {
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console.log(`Exporter running on http://localhost:${port}`)
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});
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