Bundle helm3 binary (#220)

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

.eslintrc.js

@@ -27,6 +27,7 @@ module.exports =  {
     },
     {
       files: [
+        "build/*.ts",
         "src/**/*.ts",
         "spec/**/*.ts"
       ],

build/download_helm.ts

+import { helmCli } from "../src/main/helm-cli"
+
+helmCli.ensureBinary()

package.json

@@ -11,7 +11,8 @@
   "version": "3.2.0-rc.1",
   "main": "main.ts",
   "config": {
-    "bundledKubectlVersion": "1.17.3"
+    "bundledKubectlVersion": "1.17.3",
+    "bundledHelmVersion": "3.1.2"
   },
   "engines": {
     "node": ">=12.0 <13.0"
@@ -41,6 +42,10 @@
         {
           "from": "binaries/client/linux/x64/kubectl",
           "to": "./x64/kubectl"
+        },
+        {
+          "from": "binaries/client/helm3/helm3",
+          "to": "./helm3/helm3"
         }
       ]
     },
@@ -53,6 +58,10 @@
         {
           "from": "binaries/client/darwin/x64/kubectl",
           "to": "./x64/kubectl"
+        },
+        {
+          "from": "binaries/client/helm3/helm3",
+          "to": "./helm3/helm3"
         }
       ]
     },
@@ -68,6 +77,10 @@
         {
           "from": "binaries/client/windows/ia32/kubectl.exe",
           "to": "./ia32/kubectl.exe"
+        },
+        {
+          "from": "binaries/client/helm3/helm3.exe",
+          "to": "./helm3/helm3.exe"
         }
       ]
     },
@@ -94,7 +107,7 @@
     "dev": "concurrently -n app,dash \"yarn dev-electron\" \"yarn dev-dashboard\"",
     "dev-dashboard": "cd dashboard && yarn dev",
     "dev-electron": "electron-webpack dev",
-    "compile": "yarn download:kubectl && electron-webpack",
+    "compile": "yarn download:bins && electron-webpack",
     "build:linux": "yarn compile && electron-builder --linux --dir",
     "build:mac": "yarn compile && electron-builder --mac --dir",
     "build:win": "yarn compile && electron-builder --win --dir",
@@ -105,7 +118,9 @@
     "lint-dashboard": "eslint $@ --ext js,ts,tsx --max-warnings=0 dashboard/client dashboard/server",
     "postinstall": "patch-package",
     "test": "node_modules/.bin/jest",
-    "download:kubectl": "yarn run ts-node build/download_kubectl.ts"
+    "download:bins": "concurrently \"yarn download:kubectl\" \"yarn download:helm\"",
+    "download:kubectl": "yarn run ts-node build/download_kubectl.ts",
+    "download:helm": "yarn run ts-node build/download_helm.ts"
   },
   "dependencies": {
     "@hapi/call": "^6.0.1",

src/main/helm-cli.ts

 import * as path from "path"
 import { LensBinary, LensBinaryOpts } from "./lens-binary"
-import { userStore } from "../common/user-store"
-
-const helmVersion = "3.1.2"
-const packageMirrors: Map<string, string> = new Map([
-  ["default", "https://get.helm.sh"],
-  ["china", "https://mirror.azure.cn/kubernetes/helm"]
-])
 
 export class HelmCli extends LensBinary {
 
-  public constructor(version: string) {
+  public constructor(baseDir: string, version: string) {
     const opts: LensBinaryOpts = {
       version,
+      baseDir: baseDir,
       originalBinaryName: "helm",
       newBinaryName: "helm3"
     }
     super(opts)
   }
+
   protected getTarName(): string|null {
     return `${this.binaryName}-v${this.binaryVersion}-${this.platformName}-${this.arch}.tar.gz`
   }
 
   protected getUrl() {
-    return `${this.getDownloadMirror()}/helm-v${this.binaryVersion}-${this.platformName}-${this.arch}.tar.gz`
-  }
-
-  protected getDownloadMirror() {
-    const mirror = packageMirrors.get(userStore.getPreferences().downloadMirror)
-    if (mirror) { return mirror }
-
-    return packageMirrors.get("default")
+    return `https://get.helm.sh/helm-v${this.binaryVersion}-${this.platformName}-${this.arch}.tar.gz`
   }
 
   protected getBinaryPath() {
-    return path.join(this.dirname, this.platformName+"-"+this.arch, this.binaryName)
+    return path.join(this.dirname, this.binaryName)
   }
 
   protected getOriginalBinaryPath() {
@@ -42,4 +30,15 @@ export class HelmCli extends LensBinary {
   }
 }
 
-export const helmCli = new HelmCli(helmVersion)
+const helmVersion = require("../../package.json").config.bundledHelmVersion
+const isDevelopment = process.env.NODE_ENV !== "production"
+let baseDir: string = null
+
+if(isDevelopment) {
+  baseDir = path.join(process.cwd(), "binaries", "client")
+} else {
+  baseDir = path.join(process.resourcesPath)
+}
+
+export const helmCli = new HelmCli(baseDir, helmVersion)
+

src/main/index.ts

@@ -100,9 +100,6 @@ async function main() {
       })
     },
   }, promiseIpc)
-
-  // download helm cli
-  helmCli.ensureBinary()
 }
 
 app.on("ready", main)

src/main/lens-binary.ts

-import { app, remote } from "electron"
 import * as path from "path"
 import * as fs from "fs"
 import * as request from "request"
 import logger from "./logger"
 import { ensureDir, pathExists } from "fs-extra"
 import * as tar from "tar"
-import { globalRequestOpts} from "../common/request"
 
 export type LensBinaryOpts = {
   version: string;
+  baseDir: string;
   originalBinaryName: string;
   newBinaryName?: string;
+  requestOpts?: request.Options;
 }
 export class LensBinary {
 
@@ -24,12 +24,14 @@ export class LensBinary {
   protected platformName: string
   protected arch: string
   protected originalBinaryName: string
+  protected requestOpts: request.Options
 
   constructor(opts: LensBinaryOpts) {
+    const baseDir = opts.baseDir
     this.originalBinaryName = opts.originalBinaryName
     this.binaryName = opts.newBinaryName || opts.originalBinaryName
-
     this.binaryVersion = opts.version
+    this.requestOpts = opts.requestOpts
 
     let arch = null
 
@@ -41,20 +43,24 @@ export class LensBinary {
       arch = process.arch
     }
     this.arch = arch
-    const binaryDir = path.join((app || remote.app).getPath("userData"), "binaries", this.binaryName)
     this.platformName = process.platform === "win32" ? "windows" : process.platform
     if (process.platform === "win32") {
       this.binaryName = this.binaryName+".exe"
       this.originalBinaryName = this.originalBinaryName+".exe"
     }
 
-    this.dirname = path.normalize(path.join(binaryDir, this.binaryVersion))
+
+    this.dirname = path.normalize(path.join(baseDir, this.binaryName))
     const tarName = this.getTarName()
     if (tarName) {
       this.tarPath = path.join(this.dirname, tarName)
     }
   }
 
+  protected binaryDir() {
+    throw new Error("binaryDir not implemented")
+  }
+
   public async binaryPath() {
     await this.ensureBinary()
     return this.getBinaryPath()
@@ -101,6 +107,7 @@ export class LensBinary {
       await this.downloadBinary().catch((error) => { logger.error(error) });
       if (this.tarPath) await this.untarBinary()
       if(this.originalBinaryName != this.binaryName ) await this.renameBinary()
+      logger.info(`${this.originalBinaryName} has been downloaded to ${this.getBinaryPath()}`)
     }
   }
 
@@ -139,13 +146,14 @@ export class LensBinary {
     logger.info(`Downloading ${this.originalBinaryName} ${this.binaryVersion} from ${url} to ${binaryPath}`)
     const requestOpts: request.UriOptions & request.CoreOptions = {
       uri: url,
-      gzip: true
+      gzip: true,
+      ...this.requestOpts
     }
 
-    const stream = request(globalRequestOpts(requestOpts))
+    const stream = request(requestOpts)
 
     stream.on("complete", () => {
-      logger.info(`${this.originalBinaryName} binary download finished`)
+      logger.info(`Download of ${this.originalBinaryName} finished`)
       file.end(() => {})
     })
 

src/renderer/components/PreferencesPage.vue

@@ -30,7 +30,7 @@
           <h2>Download Mirror</h2>
 
           <b-form-group
-            label="Download mirror for kubectl/helm:"
+            label="Download mirror for kubectl:"
             label-for="input-download-mirror"
           >
             <b-form-select