You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
1.9 KiB
73 lines
1.9 KiB
import { CoreV1Api, Metrics } from "@kubernetes/client-node";
|
|
|
|
import getKubeConfig from "../../../utils/config/kubernetes";
|
|
import { parseCpu, parseMemory } from "../../../utils/kubernetes/kubernetes-utils";
|
|
|
|
export default async function handler(req, res) {
|
|
const { type } = req.query;
|
|
|
|
const kc = getKubeConfig();
|
|
const coreApi = kc.makeApiClient(CoreV1Api);
|
|
const metricsApi = new Metrics(kc);
|
|
|
|
const nodes = await coreApi.listNode();
|
|
const nodeCapacity = new Map();
|
|
let cpuTotal = 0;
|
|
let cpuUsage = 0;
|
|
let memTotal = 0;
|
|
let memUsage = 0;
|
|
|
|
nodes.body.items.forEach((node) => {
|
|
nodeCapacity.set(node.metadata.name, node.status.capacity);
|
|
cpuTotal += Number.parseInt(node.status.capacity.cpu, 10);
|
|
memTotal += parseMemory(node.status.capacity.memory);
|
|
});
|
|
|
|
const nodeMetrics = await metricsApi.getNodeMetrics();
|
|
const nodeUsage = new Map();
|
|
nodeMetrics.items.forEach((metrics) => {
|
|
nodeUsage.set(metrics.metadata.name, metrics.usage);
|
|
cpuUsage += parseCpu(metrics.usage.cpu);
|
|
memUsage += parseMemory(metrics.usage.memory);
|
|
});
|
|
|
|
if (type === "cpu") {
|
|
return res.status(200).json({
|
|
cpu: {
|
|
usage: (cpuUsage / cpuTotal) * 100,
|
|
load: cpuUsage
|
|
}
|
|
});
|
|
}
|
|
// Maybe Storage CSI can provide this information
|
|
// if (type === "disk") {
|
|
// if (!existsSync(target)) {
|
|
// return res.status(404).json({
|
|
// error: "Target not found",
|
|
// });
|
|
// }
|
|
//
|
|
// return res.status(200).json({
|
|
// drive: await drive.info(target || "/"),
|
|
// });
|
|
// }
|
|
//
|
|
if (type === "memory") {
|
|
const SCALE_MB = 1024 * 1024;
|
|
const usedMemMb = memUsage / SCALE_MB;
|
|
const totalMemMb = memTotal / SCALE_MB;
|
|
const freeMemMb = totalMemMb - usedMemMb;
|
|
return res.status(200).json({
|
|
memory: {
|
|
usedMemMb,
|
|
freeMemMb,
|
|
totalMemMb
|
|
}
|
|
});
|
|
}
|
|
|
|
return res.status(400).json({
|
|
error: "invalid type"
|
|
});
|
|
}
|