mirror of
https://github.com/lensapp/lens.git
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124 lines
3.8 KiB
TypeScript
124 lines
3.8 KiB
TypeScript
/**
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* Copyright (c) 2021 OpenLens Authors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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import { Renderer, Common } from "@k8slens/extensions";
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import semver from "semver";
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import * as path from "path";
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const { ResourceStack, forCluster, StorageClass, Namespace } = Renderer.K8sApi;
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type ResourceStack = Renderer.K8sApi.ResourceStack;
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export interface MetricsConfiguration {
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// Placeholder for Metrics config structure
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prometheus: {
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enabled: boolean;
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};
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persistence: {
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enabled: boolean;
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storageClass: string;
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size: string;
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};
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nodeExporter: {
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enabled: boolean;
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};
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kubeStateMetrics: {
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enabled: boolean;
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};
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retention: {
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time: string;
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size: string;
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};
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alertManagers: string[];
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replicas: number;
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storageClass: string;
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version?: string;
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}
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export interface MetricsStatus {
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installed: boolean;
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canUpgrade: boolean;
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}
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export class MetricsFeature {
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name = "lens-metrics";
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latestVersion = "v2.26.0-lens1";
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protected stack: ResourceStack;
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constructor(protected cluster: Common.Catalog.KubernetesCluster) {
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this.stack = new ResourceStack(cluster, this.name);
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}
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get resourceFolder() {
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return path.join(__dirname, "../resources/");
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}
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async install(config: MetricsConfiguration): Promise<string> {
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// Check if there are storageclasses
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const storageClassApi = forCluster(this.cluster, StorageClass);
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const scs = await storageClassApi.list();
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config.persistence.enabled = scs.some(sc => (
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sc.metadata?.annotations?.["storageclass.kubernetes.io/is-default-class"] === "true" ||
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sc.metadata?.annotations?.["storageclass.beta.kubernetes.io/is-default-class"] === "true"
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));
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config.version = this.latestVersion;
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return this.stack.kubectlApplyFolder(this.resourceFolder, config, ["--prune"]);
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}
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async upgrade(config: MetricsConfiguration): Promise<string> {
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return this.install(config);
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}
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async getStatus(): Promise<MetricsStatus> {
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const status: MetricsStatus = { installed: false, canUpgrade: false};
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try {
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const namespaceApi = forCluster(this.cluster, Namespace);
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const namespace = await namespaceApi.get({name: "lens-metrics"});
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if (namespace?.kind) {
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const currentVersion = namespace.metadata.annotations?.extensionVersion || "0.0.0";
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status.installed = true;
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status.canUpgrade = semver.lt(currentVersion, this.latestVersion, true);
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} else {
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status.installed = false;
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}
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} catch(e) {
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if (e?.error?.code === 404) {
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status.installed = false;
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} else {
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console.warn("[LENS-METRICS] failed to resolve install state", e);
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}
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}
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return status;
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}
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async uninstall(config: MetricsConfiguration): Promise<string> {
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return this.stack.kubectlDeleteFolder(this.resourceFolder, config);
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}
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}
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