mirror of
https://github.com/lensapp/lens.git
synced 2025-05-20 05:10:56 +00:00
4bd29a6d88
* fix format duration rounding days error * added tests Signed-off-by: Sebastian Malton <smalton@mirantis.com> Co-authored-by: Sebastian Malton <smalton@mirantis.com>
298 lines
10 KiB
TypeScript
298 lines
10 KiB
TypeScript
import { app, remote } from "electron"
|
|
import path from "path"
|
|
import fs from "fs"
|
|
import request from "request"
|
|
import { promiseExec} from "./promise-exec"
|
|
import logger from "./logger"
|
|
import { ensureDir, pathExists } from "fs-extra"
|
|
import { globalRequestOpts } from "../common/request"
|
|
import * as lockFile from "proper-lockfile"
|
|
import { helmCli } from "./helm-cli"
|
|
import { userStore } from "../common/user-store"
|
|
import { getBundledKubectlVersion} from "../common/utils/app-version"
|
|
|
|
const bundledVersion = getBundledKubectlVersion()
|
|
const kubectlMap: Map<string, string> = new Map([
|
|
["1.7", "1.8.15"],
|
|
["1.8", "1.9.10"],
|
|
["1.9", "1.10.13"],
|
|
["1.10", "1.11.10"],
|
|
["1.11", "1.12.10"],
|
|
["1.12", "1.13.12"],
|
|
["1.13", "1.13.12"],
|
|
["1.14", "1.14.10"],
|
|
["1.15", "1.15.11"],
|
|
["1.16", "1.16.8"],
|
|
["1.17", bundledVersion],
|
|
["1.18", "1.18.0"]
|
|
])
|
|
|
|
const packageMirrors: Map<string, string> = new Map([
|
|
["default", "https://storage.googleapis.com/kubernetes-release/release"],
|
|
["china", "https://mirror.azure.cn/kubernetes/kubectl"]
|
|
])
|
|
|
|
const initScriptVersionString = "# lens-initscript v3\n"
|
|
|
|
const isDevelopment = process.env.NODE_ENV !== "production"
|
|
let bundledPath: string = null
|
|
|
|
if(isDevelopment) {
|
|
bundledPath = path.join(process.cwd(), "binaries", "client", process.platform, process.arch, "kubectl")
|
|
} else {
|
|
bundledPath = path.join(process.resourcesPath, process.arch, "kubectl")
|
|
}
|
|
|
|
if(process.platform === "win32") bundledPath = `${bundledPath}.exe`
|
|
|
|
export class Kubectl {
|
|
|
|
public kubectlVersion: string
|
|
protected directory: string
|
|
protected url: string
|
|
protected path: string
|
|
protected dirname: string
|
|
|
|
public static readonly kubectlDir = path.join((app || remote.app).getPath("userData"), "binaries", "kubectl")
|
|
public static readonly bundledKubectlPath = bundledPath
|
|
public static readonly bundledKubectlVersion: string = bundledVersion
|
|
private static bundledInstance: Kubectl;
|
|
|
|
// Returns the single bundled Kubectl instance
|
|
public static bundled() {
|
|
if(!Kubectl.bundledInstance) Kubectl.bundledInstance = new Kubectl(Kubectl.bundledKubectlVersion)
|
|
return Kubectl.bundledInstance
|
|
}
|
|
|
|
constructor(clusterVersion: string) {
|
|
const versionParts = /^v?(\d+\.\d+)(.*)/.exec(clusterVersion)
|
|
const minorVersion = versionParts[1]
|
|
/* minorVersion is the first two digits of kube server version
|
|
if the version map includes that, use that version, if not, fallback to the exact x.y.z of kube version */
|
|
if(kubectlMap.has(minorVersion)) {
|
|
this.kubectlVersion = kubectlMap.get(minorVersion)
|
|
logger.debug("Set kubectl version " + this.kubectlVersion + " for cluster version " + clusterVersion + " using version map")
|
|
} else {
|
|
this.kubectlVersion = versionParts[1] + versionParts[2]
|
|
logger.debug("Set kubectl version " + this.kubectlVersion + " for cluster version " + clusterVersion + " using fallback")
|
|
}
|
|
|
|
let arch = null
|
|
|
|
if(process.arch == "x64") {
|
|
arch = "amd64"
|
|
} else if(process.arch == "x86" || process.arch == "ia32") {
|
|
arch = "386"
|
|
} else {
|
|
arch = process.arch
|
|
}
|
|
|
|
const platformName = process.platform === "win32" ? "windows" : process.platform
|
|
const binaryName = process.platform === "win32" ? "kubectl.exe" : "kubectl"
|
|
|
|
this.url = `${this.getDownloadMirror()}/v${this.kubectlVersion}/bin/${platformName}/${arch}/${binaryName}`
|
|
|
|
this.dirname = path.normalize(path.join(Kubectl.kubectlDir, this.kubectlVersion))
|
|
this.path = path.join(this.dirname, binaryName)
|
|
}
|
|
|
|
public async kubectlPath(): Promise<string> {
|
|
try {
|
|
await this.ensureKubectl()
|
|
return this.path
|
|
} catch(err) {
|
|
logger.error("Failed to ensure kubectl, fallback to the bundled version")
|
|
logger.error(err)
|
|
return Kubectl.bundledKubectlPath
|
|
}
|
|
}
|
|
|
|
public async binDir() {
|
|
try {
|
|
await this.ensureKubectl()
|
|
return this.dirname
|
|
} catch(err) {
|
|
logger.error(err)
|
|
return ""
|
|
}
|
|
}
|
|
|
|
public async checkBinary(checkVersion = true) {
|
|
const exists = await pathExists(this.path)
|
|
if (exists) {
|
|
if (!checkVersion) {
|
|
return true
|
|
}
|
|
|
|
try {
|
|
const { stdout } = await promiseExec(`"${this.path}" version --client=true -o json`)
|
|
const output = JSON.parse(stdout)
|
|
let version: string = output.clientVersion.gitVersion
|
|
if (version[0] === 'v') {
|
|
version = version.slice(1)
|
|
}
|
|
if (version === this.kubectlVersion) {
|
|
logger.debug(`Local kubectl is version ${this.kubectlVersion}`)
|
|
return true
|
|
}
|
|
logger.error(`Local kubectl is version ${version}, expected ${this.kubectlVersion}, unlinking`)
|
|
}
|
|
catch(err) {
|
|
logger.error(`Local kubectl failed to run properly (${err.message}), unlinking`)
|
|
}
|
|
await fs.promises.unlink(this.path)
|
|
}
|
|
return false
|
|
}
|
|
|
|
protected async checkBundled(): Promise<boolean> {
|
|
if(this.kubectlVersion === Kubectl.bundledKubectlVersion) {
|
|
try {
|
|
const exist = await pathExists(this.path)
|
|
if (!exist) {
|
|
await fs.promises.copyFile(Kubectl.bundledKubectlPath, this.path)
|
|
await fs.promises.chmod(this.path, 0o755)
|
|
}
|
|
return true
|
|
} catch(err) {
|
|
logger.error("Could not copy the bundled kubectl to app-data: " + err)
|
|
return false
|
|
}
|
|
} else {
|
|
return false
|
|
}
|
|
}
|
|
|
|
public async ensureKubectl(): Promise<boolean> {
|
|
await ensureDir(this.dirname, 0o755)
|
|
return lockFile.lock(this.dirname).then(async (release) => {
|
|
logger.debug(`Acquired a lock for ${this.kubectlVersion}`)
|
|
const bundled = await this.checkBundled()
|
|
const isValid = await this.checkBinary(!bundled)
|
|
if(!isValid) {
|
|
await this.downloadKubectl().catch((error) => { logger.error(error) });
|
|
}
|
|
await this.writeInitScripts().catch((error) => { logger.error("Failed to write init scripts"); logger.error(error) })
|
|
logger.debug(`Releasing lock for ${this.kubectlVersion}`)
|
|
release()
|
|
return true
|
|
}).catch((e) => {
|
|
logger.error(`Failed to get a lock for ${this.kubectlVersion}`)
|
|
logger.error(e)
|
|
return false
|
|
})
|
|
}
|
|
|
|
public async downloadKubectl() {
|
|
await ensureDir(path.dirname(this.path), 0o755)
|
|
|
|
logger.info(`Downloading kubectl ${this.kubectlVersion} from ${this.url} to ${this.path}`)
|
|
return new Promise((resolve, reject) => {
|
|
const stream = request({
|
|
gzip: true,
|
|
...this.getRequestOpts()
|
|
})
|
|
const file = fs.createWriteStream(this.path)
|
|
stream.on("complete", () => {
|
|
logger.debug("kubectl binary download finished")
|
|
file.end()
|
|
})
|
|
stream.on("error", (error) => {
|
|
logger.error(error)
|
|
fs.unlink(this.path, null)
|
|
reject(error)
|
|
})
|
|
file.on("close", () => {
|
|
logger.debug("kubectl binary download closed")
|
|
fs.chmod(this.path, 0o755, null)
|
|
resolve()
|
|
})
|
|
stream.pipe(file)
|
|
})
|
|
}
|
|
|
|
protected async scriptIsLatest(scriptPath: string) {
|
|
const scriptExists = await pathExists(scriptPath)
|
|
if(!scriptExists) return false
|
|
|
|
try {
|
|
const filehandle = await fs.promises.open(scriptPath, 'r')
|
|
const buffer = Buffer.alloc(40)
|
|
await filehandle.read(buffer, 0, 40, 0)
|
|
await filehandle.close()
|
|
return buffer.toString().startsWith(initScriptVersionString)
|
|
} catch (err) {
|
|
logger.error(err)
|
|
return false
|
|
}
|
|
}
|
|
|
|
protected async writeInitScripts() {
|
|
const helmPath = helmCli.getBinaryDir()
|
|
const fsPromises = fs.promises;
|
|
const bashScriptPath = path.join(this.dirname, '.bash_set_path')
|
|
const bashScriptIsLatest = await this.scriptIsLatest(bashScriptPath)
|
|
if(!bashScriptIsLatest) {
|
|
let bashScript = "" + initScriptVersionString
|
|
bashScript += "tempkubeconfig=\"$KUBECONFIG\"\n"
|
|
bashScript += "test -f \"/etc/profile\" && . \"/etc/profile\"\n"
|
|
bashScript += "if test -f \"$HOME/.bash_profile\"; then\n"
|
|
bashScript += " . \"$HOME/.bash_profile\"\n"
|
|
bashScript += "elif test -f \"$HOME/.bash_login\"; then\n"
|
|
bashScript += " . \"$HOME/.bash_login\"\n"
|
|
bashScript += "elif test -f \"$HOME/.profile\"; then\n"
|
|
bashScript += " . \"$HOME/.profile\"\n"
|
|
bashScript += "fi\n"
|
|
bashScript += `export PATH="${this.dirname}:${helmPath}:$PATH"\n`
|
|
bashScript += "export KUBECONFIG=\"$tempkubeconfig\"\n"
|
|
bashScript += "unset tempkubeconfig\n"
|
|
await fsPromises.writeFile(bashScriptPath, bashScript.toString(), { mode: 0o644 })
|
|
}
|
|
|
|
const zshScriptPath = path.join(this.dirname, '.zlogin')
|
|
const zshScriptIsLatest = await this.scriptIsLatest(zshScriptPath)
|
|
if(!zshScriptIsLatest) {
|
|
let zshScript = "" + initScriptVersionString
|
|
|
|
zshScript += "tempkubeconfig=\"$KUBECONFIG\"\n"
|
|
// restore previous ZDOTDIR
|
|
zshScript += "export ZDOTDIR=\"$OLD_ZDOTDIR\"\n"
|
|
// source all the files
|
|
zshScript += "test -f \"$OLD_ZDOTDIR/.zshenv\" && . \"$OLD_ZDOTDIR/.zshenv\"\n"
|
|
zshScript += "test -f \"$OLD_ZDOTDIR/.zprofile\" && . \"$OLD_ZDOTDIR/.zprofile\"\n"
|
|
zshScript += "test -f \"$OLD_ZDOTDIR/.zlogin\" && . \"$OLD_ZDOTDIR/.zlogin\"\n"
|
|
zshScript += "test -f \"$OLD_ZDOTDIR/.zshrc\" && . \"$OLD_ZDOTDIR/.zshrc\"\n"
|
|
|
|
// voodoo to replace any previous occurences of kubectl path in the PATH
|
|
zshScript += `kubectlpath=\"${this.dirname}"\n`
|
|
zshScript += `helmpath=\"${helmPath}"\n`
|
|
zshScript += "p=\":$kubectlpath:\"\n"
|
|
zshScript += "d=\":$PATH:\"\n"
|
|
zshScript += "d=${d//$p/:}\n"
|
|
zshScript += "d=${d/#:/}\n"
|
|
zshScript += "export PATH=\"$kubectlpath:$helmpath:${d/%:/}\"\n"
|
|
zshScript += "export KUBECONFIG=\"$tempkubeconfig\"\n"
|
|
zshScript += "unset tempkubeconfig\n"
|
|
zshScript += "unset OLD_ZDOTDIR\n"
|
|
await fsPromises.writeFile(zshScriptPath, zshScript.toString(), { mode: 0o644 })
|
|
}
|
|
}
|
|
|
|
protected getRequestOpts() {
|
|
return globalRequestOpts({
|
|
url: this.url
|
|
})
|
|
}
|
|
|
|
protected getDownloadMirror() {
|
|
const mirror = packageMirrors.get(userStore.getPreferences().downloadMirror)
|
|
if (mirror) {
|
|
return mirror
|
|
}
|
|
return packageMirrors.get("default") // MacOS packages are only available from default
|
|
}
|
|
}
|
|
|
|
const bundledKubectl = Kubectl.bundled()
|
|
export { bundledKubectl }
|