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Kubernetes support

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* Total CPU and Memory usage for the entire cluster
* Total CPU and Memory usage for kubernetes pods
* Service discovery via annotations on ingress
* No storage stats yet
* No network stats yet
This commit is contained in:
James Wynn 2022-10-24 17:03:35 -05:00
parent b25ba09e18
commit c4333fd2dc
18 changed files with 479 additions and 19 deletions
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70
src/utils/config/service-helpers.js
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@ -4,9 +4,11 @@ import path from "path";
import yaml from "js-yaml";
import Docker from "dockerode";
import * as shvl from "shvl";
import { NetworkingV1Api } from "@kubernetes/client-node";
import checkAndCopyConfig from "utils/config/config";
import getDockerArguments from "utils/config/docker";
import getKubeConfig from "utils/config/kubernetes";
export async function servicesFromConfig() {
checkAndCopyConfig("services.yaml");
@ -103,6 +105,56 @@ export async function servicesFromDocker() {
return mappedServiceGroups;
}
export async function servicesFromKubernetes() {
checkAndCopyConfig("kubernetes.yaml");
const kc = getKubeConfig();
const networking = kc.makeApiClient(NetworkingV1Api);
const ingressResponse = await networking.listIngressForAllNamespaces(null, null, null, "homepage/enabled=true");
const services = ingressResponse.body.items.map((ingress) => {
const constructedService = {
app: ingress.metadata.name,
namespace: ingress.metadata.namespace,
href: `https://${ingress.spec.rules[0].host}`,
name: ingress.metadata.annotations['homepage/name'],
group: ingress.metadata.annotations['homepage/group'],
icon: ingress.metadata.annotations['homepage/icon'],
description: ingress.metadata.annotations['homepage/description']
};
Object.keys(ingress.metadata.labels).forEach((label) => {
if (label.startsWith("homepage/widget/")) {
shvl.set(constructedService, label.replace("homepage/widget/", ""), ingress.metadata.labels[label]);
}
});
return constructedService;
});
const mappedServiceGroups = [];
services.forEach((serverService) => {
let serverGroup = mappedServiceGroups.find((searchedGroup) => searchedGroup.name === serverService.group);
if (!serverGroup) {
mappedServiceGroups.push({
name: serverService.group,
services: [],
});
serverGroup = mappedServiceGroups[mappedServiceGroups.length - 1];
}
const { name: serviceName, group: serverServiceGroup, ...pushedService } = serverService;
const result = {
name: serviceName,
...pushedService,
};
serverGroup.services.push(result);
});
return mappedServiceGroups;
}
export function cleanServiceGroups(groups) {
return groups.map((serviceGroup) => ({
name: serviceGroup.name,
@ -118,6 +170,8 @@ export function cleanServiceGroups(groups) {
container,
currency, // coinmarketcap widget
symbols,
namespace, // kubernetes widget
app
} = cleanedService.widget;
cleanedService.widget = {
@ -134,6 +188,10 @@ export function cleanServiceGroups(groups) {
if (server) cleanedService.widget.server = server;
if (container) cleanedService.widget.container = container;
}
if (type === "kubernetes") {
if (namespace) cleanedService.widget.namespace = namespace;
if (app) cleanedService.widget.app = app;
}
}
return cleanedService;
@ -164,5 +222,15 @@ export default async function getServiceWidget(group, service) {
}
}
const kubernetesServices = await servicesFromKubernetes();
const kubernetesServiceGroup = kubernetesServices.find((g) => g.name === group);
if (kubernetesServiceGroup) {
const kubernetesServiceEntry = kubernetesServiceGroup.services.find((s) => s.name === service);
if (kubernetesServiceEntry) {
const { widget } = kubernetesServiceEntry;
return widget;
}
}
return false;
}
}