Show lens-metrics on cluster settings (#2714)

* show lens-metrics on cluster settings Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * remove ClusterFeature Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * remove ClusterFeature Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * tweak resource applier/stack Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * update metrics stack components Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * fix Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * fix drawer menu styles Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * cleanup Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * cleanup Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * clarify ui Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * built-in -> bundled Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * splitterError -> splitError Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * support multi-doc yamls Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * dedicated action button Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * fix headers Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * cleanup Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * async file operations Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * cleanup Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com> * fix bugs Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>
2025-05-20 05:10:56 +00:00 · 2021-05-18 16:12:45 +03:00
1 parent d9c6e5c52f
commit 683e5926e0
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+/**
+ * Copyright (c) 2021 OpenLens Authors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+import fse from "fs-extra";
+import path from "path";
+import hb from "handlebars";
+import { ResourceApplier } from "../../main/resource-applier";
+import { KubernetesCluster } from "../catalog-entities";
+import logger from "../../main/logger";
+import { app } from "electron";
+import { requestMain } from "../ipc";
+import { clusterKubectlApplyAllHandler, clusterKubectlDeleteAllHandler } from "../cluster-ipc";
+import { ClusterStore } from "../cluster-store";
+import yaml from "js-yaml";
+import { productName } from "../vars";
+
+export class ResourceStack {
+  constructor(protected cluster: KubernetesCluster, protected name: string) {}
+
+  /**
+   *
+   * @param folderPath folder path that is searched for files defining kubernetes resources.
+   * @param templateContext sets the template parameters that are to be applied to any templated kubernetes resources that are to be applied.
+   */
+  async kubectlApplyFolder(folderPath: string, templateContext?: any, extraArgs?: string[]): Promise<string> {
+    const resources = await this.renderTemplates(folderPath, templateContext);
+
+    return this.applyResources(resources, extraArgs);
+  }
+
+  /**
+   *
+   * @param folderPath folder path that is searched for files defining kubernetes resources.
+   * @param templateContext sets the template parameters that are to be applied to any templated kubernetes resources that are to be applied.
+   */
+  async kubectlDeleteFolder(folderPath: string, templateContext?: any, extraArgs?: string[]): Promise<string> {
+    const resources = await this.renderTemplates(folderPath, templateContext);
+
+    return this.deleteResources(resources, extraArgs);
+  }
+
+  protected async applyResources(resources: string[], extraArgs?: string[]): Promise<string> {
+    const clusterModel = ClusterStore.getInstance().getById(this.cluster.metadata.uid);
+
+    if (!clusterModel) {
+      throw new Error(`cluster not found`);
+    }
+
+    let kubectlArgs = extraArgs || [];
+
+    kubectlArgs = this.appendKubectlArgs(kubectlArgs);
+
+    if (app) {
+      return await new ResourceApplier(clusterModel).kubectlApplyAll(resources, kubectlArgs);
+    } else {
+      const response = await requestMain(clusterKubectlApplyAllHandler, this.cluster.metadata.uid, resources, kubectlArgs);
+
+      if (response.stderr) {
+        throw new Error(response.stderr);
+      }
+
+      return response.stdout;
+    }
+  }
+
+  protected async deleteResources(resources: string[], extraArgs?: string[]): Promise<string> {
+    const clusterModel = ClusterStore.getInstance().getById(this.cluster.metadata.uid);
+
+    if (!clusterModel) {
+      throw new Error(`cluster not found`);
+    }
+
+    let kubectlArgs = extraArgs || [];
+
+    kubectlArgs = this.appendKubectlArgs(kubectlArgs);
+
+    if (app) {
+      return await new ResourceApplier(clusterModel).kubectlDeleteAll(resources, kubectlArgs);
+    } else {
+      const response = await requestMain(clusterKubectlDeleteAllHandler, this.cluster.metadata.uid, resources, kubectlArgs);
+
+      if (response.stderr) {
+        throw new Error(response.stderr);
+      }
+
+      return response.stdout;
+    }
+  }
+
+  protected appendKubectlArgs(kubectlArgs: string[]) {
+    if (!kubectlArgs.includes("-l") && !kubectlArgs.includes("--label")) {
+      return kubectlArgs.concat(["-l", `app.kubernetes.io/name=${this.name}`]);
+    }
+
+    return kubectlArgs;
+  }
+
+  protected async renderTemplates(folderPath: string, templateContext: any): Promise<string[]> {
+    const resources: string[] = [];
+
+    logger.info(`[RESOURCE-STACK]: render templates from ${folderPath}`);
+    const files = await fse.readdir(folderPath);
+
+    for(const filename of files) {
+      const file = path.join(folderPath, filename);
+      const raw = await fse.readFile(file);
+      let resourceData: string;
+
+      if (filename.endsWith(".hb")) {
+        const template = hb.compile(raw.toString());
+
+        resourceData = template(templateContext);
+      } else {
+        resourceData = raw.toString();
+      }
+
+      if (!resourceData.trim()) continue;
+
+      const resourceArray = yaml.safeLoadAll(resourceData.toString());
+
+      resourceArray.forEach((resource) => {
+        if (resource?.metadata) {
+          resource.metadata.labels ||= {};
+          resource.metadata.labels["app.kubernetes.io/name"] = this.name;
+          resource.metadata.labels["app.kubernetes.io/managed-by"] = productName;
+          resource.metadata.labels["app.kubernetes.io/created-by"] = "resource-stack";
+        }
+
+        resources.push(yaml.safeDump(resource));
+      });
+    }
+
+    return resources;
+  }
+}