Merge pull request #42 from crazy-max/buildkit-fix-version

buildkit: use node info to retrieve version

__tests__/buildkit/buildkit.test.ts

@@ -15,7 +15,6 @@
  */
 
 import {beforeEach, describe, expect, it, jest, test} from '@jest/globals';
-import * as semver from 'semver';
 
 import {BuildKit} from '../../src/buildkit/buildkit';
 import {Builder} from '../../src/buildx/builder';
@@ -48,11 +47,15 @@ jest.spyOn(Builder.prototype, 'inspect').mockImplementation(async (): Promise<Bu
 
 describe('getVersion', () => {
   it('valid', async () => {
+    const builder = new Builder({
+      context: new Context()
+    });
+    const builderInfo = await builder.inspect('builder2');
     const buildkit = new BuildKit({
       context: new Context()
     });
-    const version = await buildkit.getVersion('builder2');
-    expect(semver.valid(version)).not.toBeNull();
+    const version = await buildkit.getVersion(builderInfo.nodes[0]);
+    expect(version).toBe('v0.11.0');
   });
 });
 

__tests__/docker.test.ts

@@ -48,9 +48,9 @@ describe('configDir', () => {
 });
 
 describe('isAvailable', () => {
-  it('cli', () => {
+  it('cli', async () => {
     const execSpy = jest.spyOn(exec, 'getExecOutput');
-    Docker.isAvailable;
+    Docker.getInstance().available;
     // eslint-disable-next-line jest/no-standalone-expect
     expect(execSpy).toHaveBeenCalledWith(`docker`, undefined, {
       silent: true,

src/buildkit/buildkit.ts

@@ -23,7 +23,7 @@ import {Buildx} from '../buildx/buildx';
 import {Builder} from '../buildx/builder';
 import {Config} from './config';
 
-import {BuilderInfo} from '../types/builder';
+import {BuilderInfo, NodeInfo} from '../types/builder';
 
 export interface BuildKitOpts {
   context: Context;
@@ -46,14 +46,7 @@ export class BuildKit {
       });
   }
 
-  public async getVersion(builderName: string): Promise<string | undefined> {
-    const builderInfo = await this.getBuilderInfo(builderName);
-    if (builderInfo.nodes.length == 0) {
-      // a builder always have on node, should not happen.
-      return undefined;
-    }
-    // TODO: get version for all nodes
-    const node = builderInfo.nodes[0];
+  public async getVersion(node: NodeInfo): Promise<string | undefined> {
     if (!node.buildkitVersion && node.name) {
       try {
         return await this.getVersionWithinImage(node.name);
@@ -92,8 +85,13 @@ export class BuildKit {
       });
   }
 
-  public async versionSatisfies(builderName: string, range: string): Promise<boolean> {
-    const builderInfo = await this.getBuilderInfo(builderName);
+  public async versionSatisfies(builderName: string, range: string, builderInfo?: BuilderInfo): Promise<boolean> {
+    if (!builderInfo) {
+      builderInfo = await new Builder({
+        context: this.context,
+        buildx: this.buildx
+      }).inspect(builderName);
+    }
     for (const node of builderInfo.nodes) {
       let bkversion = node.buildkitVersion;
       if (!bkversion) {
@@ -113,12 +111,4 @@ export class BuildKit {
     }
     return true;
   }
-
-  private async getBuilderInfo(name: string): Promise<BuilderInfo> {
-    const builder = new Builder({
-      context: this.context,
-      buildx: this.buildx
-    });
-    return builder.inspect(name);
-  }
 }

src/buildx/buildx.ts

@@ -41,8 +41,8 @@ export class Buildx {
 
   constructor(opts: BuildxOpts) {
     this.context = opts.context;
+    this.standalone = opts?.standalone ?? !Docker.getInstance().available;
     this.inputs = new Inputs(this.context);
-    this.standalone = opts?.standalone ?? !Docker.isAvailable;
   }
 
   static get configDir(): string {

src/buildx/install.ts

@@ -42,7 +42,7 @@ export class Install {
 
   constructor(opts?: InstallOpts) {
     this.context = opts?.context || new Context();
-    this.standalone = opts?.standalone ?? !Docker.isAvailable;
+    this.standalone = opts?.standalone ?? !Docker.getInstance().available;
   }
 
   public async download(version: string, dest?: string): Promise<string> {

src/docker.ts

@@ -20,36 +20,47 @@ import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 
 export class Docker {
+  private static instance?: Docker;
+  static getInstance = (): Docker => (Docker.instance = Docker.instance ?? new Docker());
+
+  private _available: boolean | undefined;
+
+  // eslint-disable-next-line @typescript-eslint/no-empty-function
+  private constructor() {}
+
   static get configDir(): string {
     return process.env.DOCKER_CONFIG || path.join(os.homedir(), '.docker');
   }
 
-  static get isAvailable(): boolean {
-    let dockerAvailable = false;
-    exec
-      .getExecOutput('docker', undefined, {
-        ignoreReturnCode: true,
-        silent: true
-      })
-      .then(res => {
-        if (res.stderr.length > 0 && res.exitCode != 0) {
-          core.debug(`Docker.isAvailable error: ${res.stderr}`);
-          dockerAvailable = false;
-        } else {
-          core.debug(`Docker.isAvailable ok`);
-          dockerAvailable = res.exitCode == 0;
-        }
-      })
-      // eslint-disable-next-line @typescript-eslint/no-unused-vars
-      .catch(error => {
-        core.debug(`Docker.isAvailable failed: ${error}`);
-        dockerAvailable = false;
-      });
-    return dockerAvailable;
+  get available() {
+    return (async () => {
+      if (!this._available) {
+        this._available = await exec
+          .getExecOutput('docker', undefined, {
+            ignoreReturnCode: true,
+            silent: true
+          })
+          .then(res => {
+            if (res.stderr.length > 0 && res.exitCode != 0) {
+              core.debug(`Docker.isAvailable error: ${res.stderr}`);
+              return false;
+            } else {
+              core.debug(`Docker.isAvailable ok`);
+              return res.exitCode == 0;
+            }
+          })
+          // eslint-disable-next-line @typescript-eslint/no-unused-vars
+          .catch(error => {
+            core.debug(`Docker.isAvailable failed: ${error}`);
+            return false;
+          });
+      }
+      return this._available;
+    })();
   }
 
   public static async printVersion(standalone?: boolean): Promise<void> {
-    const noDocker = standalone ?? !Docker.isAvailable;
+    const noDocker = standalone ?? !Docker.getInstance().available;
     if (noDocker) {
       core.debug('Docker.printVersion: Docker is not available, skipping.');
       return;
@@ -60,7 +71,7 @@ export class Docker {
   }
 
   public static async printInfo(standalone?: boolean): Promise<void> {
-    const noDocker = standalone ?? !Docker.isAvailable;
+    const noDocker = standalone ?? !Docker.getInstance().available;
     if (noDocker) {
       core.debug('Docker.printInfo: Docker is not available, skipping.');
       return;

src/toolkit.ts

@@ -20,6 +20,7 @@ import {Install} from './buildx/install';
 import {Builder} from './buildx/builder';
 import {BuildKit} from './buildkit/buildkit';
 import {GitHub} from './github';
+import {Docker} from './docker';
 
 export interface ToolkitOpts {
   /**
@@ -32,6 +33,7 @@ export interface ToolkitOpts {
 export class Toolkit {
   public context: Context;
   public github: GitHub;
+  public docker: Docker;
   public buildx: Buildx;
   public buildxInstall: Install;
   public builder: Builder;
@@ -40,7 +42,8 @@ export class Toolkit {
   constructor(opts: ToolkitOpts = {}) {
     this.context = new Context();
     this.github = new GitHub({token: opts.githubToken});
-    this.buildx = new Buildx({context: this.context});
+    this.docker = Docker.getInstance();
+    this.buildx = new Buildx({context: this.context, standalone: !this.docker.available});
     this.buildxInstall = new Install({context: this.context, standalone: this.buildx.standalone});
     this.builder = new Builder({context: this.context, buildx: this.buildx});
     this.buildkit = new BuildKit({context: this.context, buildx: this.buildx});