docker-file-sharing-fixed (alibaba#353)

docs/usage/faq-zh.md

@@ -84,6 +84,8 @@ Resources:
 
 本地使用 Fun 时，如果需要在本地运行、调试函数，则需要使用 fun local 子命令。使用 fun local 子命令就需要预先安装 Docker。
 
+#### Windows
+
 如果在您的 Windows 系统上安装的是 Docker Toolbox，在本地使用 `fun local invoke` 或者 `fun local start` 命令时提示信息如下：<br />![image.png](/figures/fun_local_error_on_toolbox.png)
 
 提示默认主机路径为 C:\Users，Docker Toolbox 只能挂载 C 盘当前用户的目录，挂载其它盘都不会生效。错误信息中路径为 `D:\image_crawler`，所以失败。<br />如果想挂载其它盘符的路径，步骤如下：<br />1.打开 `Oracle VM VirtualBox`：
@@ -97,3 +99,16 @@ Resources:
 **注**： step 5 中的**共享文件夹名称**应按照上述格式手动填写。盘符小写，且以 `/` 为分隔符，同时保证路径完整性。例如：`d/fun/demo`，`e/fun/work` ...
 
 由于 `Docker Toolbox` 官方也已经不在维护，为了更好的体验，我们希望您使用 [Docker For Windows](http://mirrors.aliyun.com/docker-toolbox/windows/docker-for-windows/beta/)。(建议使用我们提供的安装链接，某些版本的 Docker for Windows 可能存在不稳定的问题。)
+
+#### MacOS
+如果在您的 MacOS 系统上安装了 Docker，在本地使用在本地使用 `fun local invoke` 或者 `fun local start` 命令时提示信息如下：<br />![image.png](/figures/fun_local_error_on_docker_share_file.png)
+
+提示添加相应路径至 Docker File sharing list ， 这是因为您的 CodeUri 对应的目录不在 Docker 的 File Sharing 中，需要手动添加，步骤如下：<br />1.打开 `Docker Preferences`：
+
+![image.png](/figures/docker-preferences.png)
+
+2.选择共享文件夹，选择`File Sharing`，点击`+`，选择 CodeUri 对应的目录，添加后点击`Apply & Restart`。
+
+![image.png](/figures/add_docker_file_sharing.png)
+
+**注**：更多信息请参考 [Docker For Mac](https://docs.docker.com/docker-for-mac/osxfs/)

lib/docker-support.js

@@ -0,0 +1,46 @@
+'use strict';
+const fs = require('fs-extra');
+const path = require('path');
+const USER_HOME = require('os').homedir();
+const defaultFileSharingPaths = [
+  '/Users', 
+  '/Volumes', 
+  '/private', 
+  '/tmp'
+];
+
+async function getSharedPathsOfDockerForMac() {
+
+  const settingsPath = path.join(USER_HOME, 'Library/Group Containers/group.com.docker/settings.json');
+
+  const fileData = await fs.readFile(settingsPath, 'utf8');
+
+  const settings = JSON.parse(fileData);
+
+  if (settings.hasOwnProperty('defaultFileSharingPaths')) {
+    return settings.defaultFileSharingPaths;
+  }
+  return defaultFileSharingPaths;
+}
+
+async function findPathsOutofSharedPaths(mounts) {
+
+  const dockerSharedPaths = await getSharedPathsOfDockerForMac();
+  let pathsOutofSharedPaths = [];
+  for (let mount of mounts) {
+    const mountPath = mount.Source;
+    let isMountPathSharedToDocker = false;
+    for (let dockerSharedPath of dockerSharedPaths) {
+      if (mountPath.startsWith(dockerSharedPath)) {
+        isMountPathSharedToDocker = true;
+        break;
+      }
+    }
+    if (!isMountPathSharedToDocker) {
+      pathsOutofSharedPaths.push(mountPath);
+    }
+  }
+  return pathsOutofSharedPaths;
+}
+
+module.exports = { findPathsOutofSharedPaths };

lib/docker.js

@@ -14,7 +14,7 @@ const getVisitor = require('./visitor').getVisitor;
 const definition = require('./definition');
 const nas = require('./nas');
 const { addEnv, addInstallTargetEnv, resolveLibPathsFromLdConf } = require('./install/env');
-
+const { findPathsOutofSharedPaths } = require('./docker-support');
 const detectTplPath = require('./tpl').detectTplPath;
 const _ = require('lodash');
 
@@ -470,6 +470,17 @@ function resolveDockerUser(nasConfig) {
 }
 
 async function createContainer(opts) {
+  const isWin = process.platform === 'win32';
+  const isMac = process.platform === 'darwin';
+
+  if (opts && isMac) {
+    if (opts.HostConfig) {
+      const pathsOutofSharedPaths = await findPathsOutofSharedPaths(opts.HostConfig.Mounts);
+      if (isMac && pathsOutofSharedPaths.length > 0) {
+        throw new Error(red(`Please add ${pathsOutofSharedPaths} to Docker File sharing list, more information please refer to https://github.com/alibaba/funcraft/blob/master/docs/usage/faq-zh.md`));
+      }
+    }
+  }
 
   let container;
   try {
@@ -478,11 +489,13 @@ async function createContainer(opts) {
   } catch (ex) {
 
     if (ex.message.indexOf('invalid mount config for type') !== -1 && await isDockerToolBox()) {
-
       throw new Error(red(`The default host machine path for docker toolbox is under 'C:\\Users', Please make sure your project is in this directory. If you want to mount other disk paths, please refer to https://github.com/alibaba/funcraft/blob/master/docs/usage/faq-zh.md .`));
     }
+    if (ex.message.indexOf('drive is not shared') !== -1 && isWin) {
+      throw new Error(red(`${ex.message}More information please refer to https://docs.docker.com/docker-for-windows/#shared-drives`));
+    }
     throw ex;
-  }
+  } 
   return container;
 }
 

lib/nas/path.js

@@ -11,7 +11,7 @@ const { red } = require('colors');
 // Windows 下 process.env.HOME、process.env.USERPROFILE 均返回用户 home 目录
 // macOS 下 process.env.HOME 返回用户 home 目录，process.env.USERPROFILE 和 process.env.HOMEPATH均返回 undefined
 // 其他系统未知，这样写可以覆盖到不同操作系统的情况
-const USER_HOME = process.env.HOME || process.env.USERPROFILE || process.env.HOMEPATH;
+const USER_HOME = require('os').homedir();
 // 正常 nasUri 示例 : nas://$(serviceName)$(mountDir) 或者 nas://$(serviceName):$(mountDir)
 // 当 template.yml 中只存在单个服务时，上述 $(serviceName) 可以省略不写
 const NAS_URI_PATTERN = /^nas:\/\/([^/:]*):?((?:\/[^/]+)*\/?)$/;

test/docker-support.test.js

@@ -0,0 +1,35 @@
+'use strict';
+
+const expect = require('expect.js');
+const sinon = require('sinon');
+const sandbox = sinon.createSandbox();
+const dockerSupport = require('../lib/docker-support');
+const fs = require('fs-extra');
+
+describe('test getMountPathsNotSharedToDocker', () => {
+  let readFile;
+  beforeEach(() => {
+    readFile = sandbox.stub(fs, 'readFile');
+  });
+  afterEach(() => {
+    sandbox.restore();
+  });
+
+  it('mount paths all shared to docker', async () => {
+    readFile.returns('{}');
+    const mounts = [{'Source': '/Users/test'}, {'Source': '/Volumes/test'}];
+
+    const res = await dockerSupport.findPathsOutofSharedPaths(mounts);
+    expect(res).to.eql([]);
+  });
+
+  it('mount paths not shared to docker', async () => {
+    readFile.returns('{}');
+    const mounts = [{'Source': '/uuu/test'}, {'Source': '/vvv/test'}];
+
+    const res = await dockerSupport.findPathsOutofSharedPaths(mounts);
+    expect(res).to.eql(['/uuu/test', '/vvv/test']);
+  });
+
+
+});

test/nas/path.test.js

@@ -6,7 +6,7 @@ const mkdirp = require('mkdirp-promise');
 const rimraf = require('rimraf');
 
 const expect = require('expect.js');
-const USER_HOME = process.env.HOME || process.env.USERPROFILE;
+const USER_HOME = require('os').homedir();
 const sinon = require('sinon');
 const path = require('path');
 const sandbox = sinon.createSandbox();