move args logic to context module and add tests

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

__tests__/context.test.ts

@@ -1,7 +1,8 @@
-import {beforeEach, describe, expect, it, jest} from '@jest/globals';
+import {beforeEach, describe, expect, it, jest, test} from '@jest/globals';
 import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
+import * as uuid from 'uuid';
 import * as context from '../src/context';
 
 const tmpdir = fs.mkdtempSync(path.join(os.tmpdir(), 'docker-setup-buildx-')).split(path.sep).join(path.posix.sep);
@@ -13,6 +14,95 @@ jest.spyOn(context, 'tmpNameSync').mockImplementation((): string => {
   return path.join(tmpdir, '.tmpname').split(path.sep).join(path.posix.sep);
 });
 
+jest.mock('uuid');
+jest.spyOn(uuid, 'v4').mockReturnValue('9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6d');
+
+describe('getCreateArgs', () => {
+  beforeEach(() => {
+    process.env = Object.keys(process.env).reduce((object, key) => {
+      if (!key.startsWith('INPUT_')) {
+        object[key] = process.env[key];
+      }
+      return object;
+    }, {});
+  });
+
+  // prettier-ignore
+  test.each([
+    [
+      0,
+      new Map<string, string>([
+        ['install', 'false'],
+        ['use', 'true'],
+      ]),
+      [
+        'create',
+        '--name', 'builder-9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6d',
+        '--driver', 'docker-container',
+        '--buildkitd-flags', '--allow-insecure-entitlement security.insecure --allow-insecure-entitlement network.host',
+        '--use'
+      ]
+    ],
+    [
+      1,
+      new Map<string, string>([
+        ['driver', 'docker'],
+        ['install', 'false'],
+        ['use', 'true'],
+      ]),
+      [
+        'create',
+        '--name', 'default',
+        '--driver', 'docker',
+        '--buildkitd-flags', '--allow-insecure-entitlement security.insecure --allow-insecure-entitlement network.host',
+        '--use'
+      ]
+    ],
+    [
+      2,
+      new Map<string, string>([
+        ['install', 'false'],
+        ['use', 'false'],
+        ['driver-opts', 'image=moby/buildkit:master\nnetwork=host'],
+      ]),
+      [
+        'create',
+        '--name', 'builder-9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6d',
+        '--driver', 'docker-container',
+        '--driver-opt', 'image=moby/buildkit:master',
+        '--driver-opt', 'network=host',
+        '--buildkitd-flags', '--allow-insecure-entitlement security.insecure --allow-insecure-entitlement network.host'
+      ]
+    ],
+    [
+      3,
+      new Map<string, string>([
+        ['driver', 'remote'],
+        ['endpoint', 'tls://foo:1234'],
+        ['install', 'false'],
+        ['use', 'true'],
+      ]),
+      [
+        'create',
+        '--name', 'builder-9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6d',
+        '--driver', 'remote',
+        '--use',
+        'tls://foo:1234'
+      ]
+    ],
+  ])(
+    '[%d] given %p as inputs, returns %p',
+    async (num: number, inputs: Map<string, string>, expected: Array<string>) => {
+      inputs.forEach((value: string, name: string) => {
+        setInput(name, value);
+      });
+      const inp = await context.getInputs();
+      const res = await context.getCreateArgs(inp, '0.9.0');
+      expect(res).toEqual(expected);
+    }
+  );
+});
+
 describe('getInputList', () => {
   it('handles single line correctly', async () => {
     await setInput('foo', 'bar');

src/context.ts

@@ -2,6 +2,8 @@ import fs from 'fs';
 import * as os from 'os';
 import path from 'path';
 import * as tmp from 'tmp';
+import * as uuid from 'uuid';
+import * as buildx from './buildx';
 import * as core from '@actions/core';
 import {issueCommand} from '@actions/core/lib/command';
 
@@ -22,6 +24,7 @@ export function tmpNameSync(options?: tmp.TmpNameOptions): string {
 
 export interface Inputs {
   version: string;
+  name: string;
   driver: string;
   driverOpts: string[];
   buildkitdFlags: string;
@@ -35,6 +38,7 @@ export interface Inputs {
 export async function getInputs(): Promise<Inputs> {
   return {
     version: core.getInput('version'),
+    name: getBuilderName(core.getInput('driver') || 'docker-container'),
     driver: core.getInput('driver') || 'docker-container',
     driverOpts: await getInputList('driver-opts', true),
     buildkitdFlags: core.getInput('buildkitd-flags') || '--allow-insecure-entitlement security.insecure --allow-insecure-entitlement network.host',
@@ -46,6 +50,44 @@ export async function getInputs(): Promise<Inputs> {
   };
 }
 
+export function getBuilderName(driver: string): string {
+  return driver == 'docker' ? 'default' : `builder-${uuid.v4()}`;
+}
+
+export async function getCreateArgs(inputs: Inputs, buildxVersion: string): Promise<Array<string>> {
+  const args: Array<string> = ['create', '--name', inputs.name, '--driver', inputs.driver];
+  if (buildx.satisfies(buildxVersion, '>=0.3.0')) {
+    await asyncForEach(inputs.driverOpts, async driverOpt => {
+      args.push('--driver-opt', driverOpt);
+    });
+    if (inputs.driver != 'remote' && inputs.buildkitdFlags) {
+      args.push('--buildkitd-flags', inputs.buildkitdFlags);
+    }
+  }
+  if (inputs.use) {
+    args.push('--use');
+  }
+  if (inputs.driver != 'remote') {
+    if (inputs.config) {
+      args.push('--config', await buildx.getConfigFile(inputs.config));
+    } else if (inputs.configInline) {
+      args.push('--config', await buildx.getConfigInline(inputs.configInline));
+    }
+  }
+  if (inputs.endpoint) {
+    args.push(inputs.endpoint);
+  }
+  return args;
+}
+
+export async function getInspectArgs(inputs: Inputs, buildxVersion: string): Promise<Array<string>> {
+  const args: Array<string> = ['inspect', '--bootstrap'];
+  if (buildx.satisfies(buildxVersion, '>=0.4.0')) {
+    args.push('--builder', inputs.name);
+  }
+  return args;
+}
+
 export async function getInputList(name: string, ignoreComma?: boolean): Promise<string[]> {
   const items = core.getInput(name);
   if (items == '') {

src/main.ts

@@ -1,7 +1,6 @@
 import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
-import * as uuid from 'uuid';
 import * as auth from './auth';
 import * as buildx from './buildx';
 import * as context from './context';
@@ -54,11 +53,10 @@ async function run(): Promise<void> {
       });
     });
 
-    const builderName: string = inputs.driver == 'docker' ? 'default' : `builder-${uuid.v4()}`;
+    context.setOutput('name', inputs.name);
-    context.setOutput('name', builderName);
+    stateHelper.setBuilderName(inputs.name);
-    stateHelper.setBuilderName(builderName);
 
-    const credsdir = path.join(dockerConfigHome, 'buildx', 'creds', builderName);
+    const credsdir = path.join(dockerConfigHome, 'buildx', 'creds', inputs.name);
     fs.mkdirSync(credsdir, {recursive: true});
     stateHelper.setCredsDir(credsdir);
 
@@ -68,42 +66,16 @@ async function run(): Promise<void> {
       if (authOpts.length > 0) {
         inputs.driverOpts = [...inputs.driverOpts, ...authOpts];
       }
-      const createArgs: Array<string> = ['create', '--name', builderName, '--driver', inputs.driver];
+      const createCmd = buildx.getCommand(await context.getCreateArgs(inputs, buildxVersion), standalone);
-      if (buildx.satisfies(buildxVersion, '>=0.3.0')) {
-        await context.asyncForEach(inputs.driverOpts, async driverOpt => {
-          createArgs.push('--driver-opt', driverOpt);
-        });
-        if (inputs.driver != 'remote' && inputs.buildkitdFlags) {
-          createArgs.push('--buildkitd-flags', inputs.buildkitdFlags);
-        }
-      }
-      if (inputs.use) {
-        createArgs.push('--use');
-      }
-      if (inputs.endpoint) {
-        createArgs.push(inputs.endpoint);
-      }
-      if (inputs.driver != 'remote') {
-        if (inputs.config) {
-          createArgs.push('--config', await buildx.getConfigFile(inputs.config));
-        } else if (inputs.configInline) {
-          createArgs.push('--config', await buildx.getConfigInline(inputs.configInline));
-        }
-      }
-      const createCmd = buildx.getCommand(createArgs, standalone);
       await exec.exec(createCmd.commandLine, createCmd.args);
       core.endGroup();
-
-      core.startGroup(`Booting builder`);
-      const bootstrapArgs: Array<string> = ['inspect', '--bootstrap'];
-      if (buildx.satisfies(buildxVersion, '>=0.4.0')) {
-        bootstrapArgs.push('--builder', builderName);
-      }
-      const bootstrapCmd = buildx.getCommand(bootstrapArgs, standalone);
-      await exec.exec(bootstrapCmd.commandLine, bootstrapCmd.args);
-      core.endGroup();
     }
 
+    core.startGroup(`Booting builder`);
+    const inspectCmd = buildx.getCommand(await context.getInspectArgs(inputs, buildxVersion), standalone);
+    await exec.exec(inspectCmd.commandLine, inspectCmd.args);
+    core.endGroup();
+
     if (inputs.install) {
       if (standalone) {
         throw new Error(`Cannot set buildx as default builder without the Docker CLI`);
@@ -114,7 +86,7 @@ async function run(): Promise<void> {
     }
 
     core.startGroup(`Inspect builder`);
-    const builder = await buildx.inspect(builderName, standalone);
+    const builder = await buildx.inspect(inputs.name, standalone);
     const firstNode = builder.nodes[0];
     core.info(JSON.stringify(builder, undefined, 2));
     context.setOutput('driver', builder.driver);