Add working_dir option for run task

docs/tasks.md

@@ -18,6 +18,7 @@ runs a command inside of a new container, using a specific image.
 | [`volumes`](#volumes) | Volumes to mount into the container | No |
 | [`command`](#command) | Override the default image command | No |
 | [`user`](#user) | User to run the command as | No |
+| [`working_dir`](#working_dir) | Working directory for the command | No |
 
 
 #### **image**
@@ -84,6 +85,13 @@ User to run the command as.
 user: nobody
 ```
 
+#### **working_dir**
+Working directory for the command.
+
+```yml
+working_dir: /tmp
+```
+
 ## `Exec Task`
 
 Runs a new command in a running container

lib/schemas/tasks/run.yml

@@ -13,6 +13,8 @@ properties:
     "$ref": "../definitions.yml#/string_or_list"
   user:
     type: string
+  working_dir:
+    type: string
   environment:
     "$ref": "../definitions.yml#/list_or_dict"
   volumes:

lib/tasks/run.js

@@ -3,11 +3,12 @@ const Docker = require('dockerode');
 const util = require('../util');
 
 class RunTask {
-  constructor(name, { image, command, user, volumes, environment, network, pull = 'missing', auto_remove = true }) {
+  constructor(name, { image, command, user, working_dir, volumes, environment, network, pull = 'missing', auto_remove = true }) {
     this.name = name;
     this.image = image;
     this.command = command ? util.parseCommand(command) : [];
     this.user = user;
+    this.workingDir = working_dir;
     this.volumes = volumes;
     if (environment) this.environment = util.parseEnvironment(environment);
     this.network = network;
@@ -49,6 +50,7 @@ class RunTask {
       await this.checkOrPull(this.image, log);
       const opt = {
         User: this.user,
+        WorkingDir: this.workingDir,
         HostConfig: {
           AutoRemove: this.autoRemove
         }

test/tasks/run.js

@@ -180,4 +180,25 @@ test('run: nonexistent user', async (t) => {
   t.pass();
 });
 
+test('run: default workingdir', async (t) => {
+  const task = new RunTask('test', {
+    image: 'busybox',
+    command: 'pwd'
+  });
+
+  const { exitCode, output } = await task.execute(log);
+  t.is(exitCode, 0);
+  t.is(output, '/');
+});
 
+test('run: custom workingdir', async (t) => {
+  const task = new RunTask('test', {
+    image: 'busybox',
+    command: 'pwd',
+    working_dir: '/tmp'
+  });
+
+  const { exitCode, output } = await task.execute(log);
+  t.is(exitCode, 0);
+  t.is(output, '/tmp');
+});