elysium/minecluster
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[REV] Switch to use IDS over server names

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This commit is contained in:
Dunemask 2023-12-22 14:45:49 -07:00
parent e94aca7c96
commit 91587f66b2
21 changed files with 196 additions and 221 deletions
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83
lib/k8s/server-control.js
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@ -1,51 +1,42 @@
import k8s from "@kubernetes/client-node";
import {
getDeployment,
getDeployments,
getServerAssets,
scaleDeployment,
} from "./k8s-server-control.js";
import { ERR } from "../util/logging.js";
import ExpressClientError from "../util/ExpressClientError.js";
import { getDeployments } from "./k8s-server-control.js";
const kc = new k8s.KubeConfig();
kc.loadFromDefault();
const k8sMetrics = new k8s.Metrics(kc);
const namespace = process.env.MCL_SERVER_NAMESPACE;
export async function startServerContainer(serverSpec) {
const { name } = serverSpec;
try {
await scaleDeployment(name, true);
} catch (e) {
ERR("SERVER CONTROL", e);
throw new ExpressClientError({
c: 500,
m: `Error updating server '${name}'!\n`,
});
}
}
function getServerMetrics(podMetricsRes, serverId, serverAvailable) {
const pod = podMetricsRes.items.find(({ metadata: md }) => {
return (
md.annotations &&
md.annotations["minecluster.dunemask.net/id"] === serverId
);
});
export async function stopServerContainer(serverSpec) {
const { name } = serverSpec;
try {
await scaleDeployment(name, false);
} catch (e) {
ERR("SERVER CONTROL", e);
throw new ExpressClientError({
c: 500,
m: `Error updating server '${name}'!`,
});
if (serverAvailable && pod) {
const podCpus = pod.containers.map(
({ usage }) => parseInt(usage.cpu) / 1_000_000,
);
const podMems = pod.containers.map(
({ usage }) => parseInt(usage.memory) / 1024,
);
metrics = {
cpu: Math.ceil(podCpus.reduce((a, b) => a + b)),
memory: Math.ceil(podMems.reduce((a, b) => a + b)),
};
}
}
export async function getInstances() {
const serverDeployments = await getDeployments();
const podMetricsResponse = await k8sMetrics.getPodMetrics(namespace);
var name, metrics, services, serverAvailable, ftpAvailable;
const podMetricsRes = await k8sMetrics.getPodMetrics(namespace);
var name, serverId, metrics, services, serverAvailable, ftpAvailable;
const serverInstances = serverDeployments.map((s) => {
name = s.metadata.annotations["minecluster.dunemask.net/server-name"];
serverId = s.metadata.annotations["minecluster.dunemask.net/id"];
name = s.metadata.name;
metrics = null;
const { containers } = s.spec.template.spec;
services = containers.map(({ name }) => name.split("-").pop());
const serverStatusList = s.status.conditions.map(
@ -57,23 +48,15 @@ export async function getInstances() {
) !== undefined;
serverAvailable = services.includes(`server`) && deploymentAvailable;
ftpAvailable = services.includes("ftp") && deploymentAvailable;
const pod = podMetricsResponse.items.find(({ metadata: md }) => {
return md.labels && md.labels.app && md.labels.app === `mcl-${name}-app`;
});
if (serverAvailable && pod) {
const podCpus = pod.containers.map(
({ usage }) => parseInt(usage.cpu) / 1_000_000,
);
const podMems = pod.containers.map(
({ usage }) => parseInt(usage.memory) / 1024,
);
metrics = {
cpu: Math.ceil(podCpus.reduce((a, b) => a + b)),
memory: Math.ceil(podMems.reduce((a, b) => a + b)),
};
}
return { name, metrics, services, serverAvailable, ftpAvailable };
metrics = getServerMetrics(podMetricsRes, serverId, serverAvailable);
return {
name,
id: serverId,
metrics,
services,
serverAvailable,
ftpAvailable,
};
});
return serverInstances;
}