docker-support.js

'use strict';
const fs = require('fs-extra');
const path = require('path');
const _ = require('lodash');
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('filesharingDirectories')) {
    return settings.filesharingDirectories;
  }
  return defaultFileSharingPaths;
}

async function findPathsOutofSharedPaths(mounts) {
  const dockerSharedPaths = await getSharedPathsOfDockerForMac();
  let pathsOutofSharedPaths = [];
  for (let mount of mounts) {
    if (_.isEmpty(mount)) { continue; }
    
    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 };