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Separated kubernetes widgets from resources widgets

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This commit is contained in:
James Wynn 2022-11-18 18:02:23 -06:00
parent 056e26dfd3
commit fdb143304f
9 changed files with 200 additions and 46 deletions
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77
src/pages/api/widgets/kubernetes.js
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@ -7,8 +7,6 @@ import createLogger from "../../../utils/logger";
const logger = createLogger("kubernetes-widget");
export default async function handler(req, res) {
const { type } = req.query;
try {
const kc = getKubeConfig();
if (!kc) {
@ -30,51 +28,60 @@ export default async function handler(req, res) {
error: "unknown error"
});
}
const nodeCapacity = new Map();
let cpuTotal = 0;
let cpuUsage = 0;
let memTotal = 0;
let memUsage = 0;
const nodeMap = {};
nodes.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 cpu = Number.parseInt(node.status.capacity.cpu, 10);
const mem = parseMemory(node.status.capacity.memory);
const ready = node.status.conditions.filter(condition => condition.type === "Ready" && condition.status === "True").length > 0;
nodeMap[node.metadata.name] = {
name: node.metadata.name,
ready,
cpu: {
total: cpu
},
memory: {
total: mem
}
};
cpuTotal += cpu;
memTotal += mem;
});
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);
nodeMetrics.items.forEach((nodeMetric) => {
const cpu = parseCpu(nodeMetric.usage.cpu);
const mem = parseMemory(nodeMetric.usage.memory);
cpuUsage += cpu;
memUsage += mem;
nodeMap[nodeMetric.metadata.name].cpu.load = cpu;
nodeMap[nodeMetric.metadata.name].cpu.percent = (cpu / nodeMap[nodeMetric.metadata.name].cpu.total) * 100;
nodeMap[nodeMetric.metadata.name].memory.used = mem;
nodeMap[nodeMetric.metadata.name].memory.free = nodeMap[nodeMetric.metadata.name].memory.total - mem;
nodeMap[nodeMetric.metadata.name].memory.percent = (mem / nodeMap[nodeMetric.metadata.name].memory.total) * 100;
});
if (type === "cpu") {
return res.status(200).json({
cpu: {
usage: (cpuUsage / cpuTotal) * 100,
load: cpuUsage
}
});
}
const cluster = {
cpu: {
load: cpuUsage,
total: cpuTotal,
percent: (cpuUsage / cpuTotal) * 100
},
memory: {
used: memUsage,
total: memTotal,
free: (memTotal - memUsage),
percent: (memUsage / memTotal) * 100
}
};
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"
return res.status(200).json({
cluster,
nodes: Object.entries(nodeMap).map(([name, node]) => ({ name, ...node }))
});
} catch (e) {
logger.error("exception %s", e);