Added webui and celery background jobs

Procfile

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+webui: gunicorn --error-logfile - --log-level info ostack_validator.webui:app
+redis: redis-server
+worker: celery worker --app=ostack_validator.celery:app
+

Vagrantfile

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+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+Vagrant::Config.run do |config|
+  config.vm.box = "ubuntu12.04-server-amd64"
+  # config.vm.box_url = "http://domain.com/path/to/above.box"
+
+  # config.vm.forward_port 80, 8080
+  config.vm.forward_port 5000, 5000
+
+  config.vm.provision :chef_solo do |chef|
+    chef.cookbooks_path = ["vagrant/cookbooks"]
+    chef.add_recipe "openstack-validator"
+  end
+end

ostack_validator/celery.py

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+from __future__ import absolute_import
+import os
+import time
+
+from celery import Celery
+
+broker_url = os.getenv('CELERY_BROKER_URL', 'redis://localhost:6379/0')
+backend_url = os.getenv('CELERY_RESULT_BACKEND', broker_url)
+
+app = Celery('ostack_validator', broker=broker_url, backend=backend_url)
+app.conf.update(
+  CELERY_TRACK_STARTED=True
+)
+
+@app.task
+def ostack_inspect_task(nodes, username, password=None, private_key=None):
+  time.sleep(10)
+  return username[::-1]
+
+if __name__ == '__main__':
+  app.start()
+

ostack_validator/templates/validation_form.html

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+{% extends "bootstrap/base.html" %}
+{% import "bootstrap/wtf.html" as wtf %}
+
+{% block title %}OpenStack Validator{% endblock %}
+
+{% block content %}
+<div class="container">
+  <h1>OpenStack Validator</h1>
+  {{ wtf.quick_form(form, action='/validation', method='POST', button_map={'launch': 'primary'}) }}
+</div>
+
+{% endblock %}
+

ostack_validator/webui.py

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+from flask import Flask, request, redirect, render_template, json
+from flask_bootstrap import Bootstrap
+from flask_wtf import Form
+from wtforms import StringField, TextAreaField, SubmitField
+from wtforms.validators import DataRequired
+
+from ostack_validator.celery import app as celery, ostack_inspect_task
+
+app = Flask(__name__)
+Bootstrap(app)
+app.debug = True
+app.config.update(
+  WTF_CSRF_SECRET_KEY = 'foo bar baz'
+)
+app.secret_key = 'A0Zr98j/3fooN]LWX/,?RT'
+
+
+class ValidationLaunchForm(Form):
+  nodes = StringField('Nodes', validators=[DataRequired()])
+  username = StringField('Username', default='root', validators=[DataRequired()])
+  private_key = TextAreaField('Private Key', validators=[DataRequired()])
+
+  launch = SubmitField('Launch validation')
+
+@app.route('/')
+def index():
+  return redirect('/validation')
+
+@app.route('/validation', methods=['GET', 'POST'])
+def launch_validation():
+  form = ValidationLaunchForm()
+  if form.validate_on_submit():
+    nodes = form.nodes.data.split(' ')
+    username = form.username.data
+    private_key = form.private_key.data
+
+    job = ostack_inspect_task.delay(nodes=nodes, username=username, private_key=private_key)
+
+    return redirect('/validation/%s' % job.id)
+  else:
+    return render_template('validation_form.html', form=form)
+
+@app.route('/validation/<id>')
+def job(id):
+  job = celery.AsyncResult(id)
+  if job.ready():
+    return 'Result is %s' % job.result
+  else:
+    return 'State is %s' % job.state
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', debug=True)
+

requirements.txt

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+spur==0.3.5
+Flask==0.10.1
+Flask-Bootstrap>=3.0.0
+Flask-WTF==0.9.2
+gunicorn==18.0
+celery-with-redis>=3.0
+# Jinja2==2.7.1
+

vagrant/cookbooks/openstack-validator/recipes/default.rb

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+package 'redis-server'
+package 'python-pip'
+
+bash 'Install python dependencies' do
+  code 'pip install -r requirements.txt'
+  cwd '/vagrant'
+end
+