jarv

1: idle
    runtime sys_darwin.go:507     pthread_cond_wait(*pthreadcond(0x10079bb48), *pthreadmutex(0x10079bb08))
    runtime os_darwin.go:66       semasleep(-1)
    runtime lock_sema.go:181      notesleep(*note(0x10079b908))
    runtime proc.go:1632          mPark(...)
    runtime proc.go:2536          stopm()
    runtime proc.go:3229          findRunnable()
    runtime proc.go:3582          schedule()
    runtime proc.go:3921          goexit0(*g(0x1400068c680))

jarv

from os import path
from scipy.misc import imread
import matplotlib.pyplot as plt
import random
import os

from wordcloud import WordCloud, STOPWORDS

text = ""
for f in os.listdir("."):

jarv

.my-fa-facebook:before {
  content: "\f09a";
}
.my-fa-facebook-square:before {
  content: "\f082";
}
.my-fa-flickr:before {
  content: "\f16e";
}
.my-fa-google-plus-square:before {

jarv

The XQueue software is one of our earliest components and not very
well documented unfortunately.
What it is from a high level is a Django app that monitors a rabbitMQ
cluster that takes student submissions and makes it available to an
external grader.

Here is example code that watches the xqueue for new submissions and
grades them using our python grader -
https://github.com/edx/xqueue-watcher
Here is documentation that describes how to interface with xqueue -

jarv

instance_tags: 
    environment: sandbox
    github_username: jarv
    Name: jarv-sandbox


...

- name: Launch ec2 instance
  local_action:

jarv

- name: checkout code
  git: dest={{ dir }} repo={{ repo }}
  environment:
    GIT_SSH: /tmp/git_ssh.sh


/tmp/git_ssh.sh

#!/bin/sh
exec /usr/bin/ssh -o StrictHostKeyChecking=no -i {{ git_identity }} "$@"

jarv

- name: check out code
  git: dest=path/to/dest repo=some_repo version=master
  environment:
    GIT_SSH: /tmp/git_ssh.sh

git_ssh.sh:

#!/bin/sh
exec /usr/bin/ssh -o StrictHostKeyChecking=no -i /path/to/git-identity "$@"

jarv

$ vagrant up
Bringing machine 'default' up with 'virtualbox' provider...
[default] Importing base box 'edx-devstack'...
[default] Matching MAC address for NAT networking...
[default] Setting the name of the VM...
[default] Clearing any previously set forwarded ports...
Pruning invalid NFS exports. Administrator privileges will be required...

jarv

host <internal address>
  ProxyCommand ssh -W %h:%p <jumpbox address>
  ForwardAgent yes
  IdentityFile <path/to/key>
  User <username>'

jarv

define user_manage(
  $ensure = 'present'
) {

  if $ensure == 'absent' {
    User[$name] -> Group[$name]
  }

  user { $name:
    ensure  => $ensure,