System for quickly installing an OpenStack cloud from upstream git for testing and development.
Shell Python Makefile
Latest commit 730ce45 Feb 23, 2018
jharbott and mnaser Create NOVA_READY_TIMEOUT in is_nova_ready function
The function was introduced in [0] using a hardcoded timeout of 60
seconds which turns out to be too small on slow machines. Create a new
global variable NOVA_READY_TIMEOUT instead so that users can
override the timeout if necessary.

[0] I32eb59b9d6c225a3e93992be3a3b9f4b251d7189

Co-Authored-By: Mohammed Naser <>
Change-Id: I0cd7f193589a1a0776ae76dc30cecefe7ba9e5db
Failed to load latest commit information.
data Fix comment in plugin-registry header Aug 31, 2016
doc Add VERBOSE_NO_TIMESTAMP flag Feb 22, 2018
exercises Neutron: use "OSC show -f value -c id" instead of "OSC list + grep" Nov 18, 2016
extras.d Merge "Ensure testing configuration can run as late as possible" Nov 30, 2016
files Add pcre-devel for opensuse Feb 4, 2018
gate Mostly docs cleanups Mar 28, 2015
inc Fix Python3 get_python_exec_prefix on Fedora 27 Jan 9, 2018
lib Create NOVA_READY_TIMEOUT in is_nova_ready function Feb 23, 2018
pkg Use java version independent package on Ubuntu Dec 15, 2016
playbooks Merge "Add Zuul v3 native unit-tests" Feb 12, 2018
roles Role apache-logs-conf: fix redhat matching Feb 22, 2018
samples Update URLs Jul 22, 2017
tests Centralize setting default branch for stable branching Feb 15, 2018
tools Add VERBOSE_NO_TIMESTAMP flag Feb 22, 2018
.gitignore Ignore etcd files downloaded to files/ dir Jun 21, 2017
.gitreview Add .gitreview config file for gerrit. Nov 16, 2011
.mailmap Remove AUTHORS Aug 14, 2014
.zuul.yaml Add VERBOSE_NO_TIMESTAMP flag Feb 22, 2018
FUTURE.rst Document where we are going Feb 5, 2015
HACKING.rst Replace http with https for doc links in devstack's document Sep 2, 2017
LICENSE Add Apache 2 LICENSE file Apr 18, 2012
MAINTAINERS.rst Move Sahara into in-tree plugin Jul 1, 2015
Makefile Suppressed echoing of the line. Apr 30, 2016
README.rst Fix up main readme Sep 7, 2017 Fix Cleanups for keystone/placement/nova Aug 17, 2017 Remove EC2 API from devstack Mar 15, 2016
exerciserc Remove EC2 API from devstack Mar 15, 2016
functions Correct configuration setting using NUMBER_FAKE_NOVA_COMPUTE Feb 7, 2018
functions-common Merge "Allow plugins to express dependency info" Dec 7, 2017
openrc Modify some spelling mistakes Aug 10, 2017 Remove old comment in Apr 17, 2015
setup.cfg Update URLs Jul 22, 2017 Convert all HTML doc to RST Oct 22, 2014 Add VERBOSE_NO_TIMESTAMP flag Feb 22, 2018
stackrc Create NOVA_READY_TIMEOUT in is_nova_ready function Feb 23, 2018
tox.ini Add doc/requirements.txt file with doc requirements Dec 18, 2017 Fix that DISTRO is not set in Dec 25, 2017


DevStack is a set of scripts and utilities to quickly deploy an OpenStack cloud from git source trees.


  • To quickly build dev OpenStack environments in a clean Ubuntu or Fedora environment
  • To describe working configurations of OpenStack (which code branches work together? what do config files look like for those branches?)
  • To make it easier for developers to dive into OpenStack so that they can productively contribute without having to understand every part of the system at once
  • To make it easy to prototype cross-project features
  • To provide an environment for the OpenStack CI testing on every commit to the projects


IMPORTANT: Be sure to carefully read and any other scripts you execute before you run them, as they install software and will alter your networking configuration. We strongly recommend that you run in a clean and disposable vm when you are first getting started.


The DevStack master branch generally points to trunk versions of OpenStack components. For older, stable versions, look for branches named stable/[release] in the DevStack repo. For example, you can do the following to create a Pike OpenStack cloud:

git checkout stable/pike

You can also pick specific OpenStack project releases by setting the appropriate *_BRANCH variables in the localrc section of local.conf (look in stackrc for the default set). Usually just before a release there will be milestone-proposed branches that need to be tested:


Start A Dev Cloud

Installing in a dedicated disposable VM is safer than installing on your dev machine! Plus you can pick one of the supported Linux distros for your VM. To start a dev cloud run the following NOT AS ROOT (see DevStack Execution Environment below for more on user accounts):


When the script finishes executing, you should be able to access OpenStack endpoints, like so:

We also provide an environment file that you can use to interact with your cloud via CLI:

# source openrc file to load your environment with OpenStack CLI creds
. openrc
# list instances
openstack server list

DevStack Execution Environment

DevStack runs rampant over the system it runs on, installing things and uninstalling other things. Running this on a system you care about is a recipe for disappointment, or worse. Alas, we're all in the virtualization business here, so run it in a VM. And take advantage of the snapshot capabilities of your hypervisor of choice to reduce testing cycle times. You might even save enough time to write one more feature before the next feature freeze... needs to have root access for a lot of tasks, but uses sudo for all of those tasks. However, it needs to be not-root for most of its work and for all of the OpenStack services. specifically does not run if started as root.

DevStack will not automatically create the user, but provides a helper script in tools/ Run that (as root!) or just check it out to see what DevStack's expectations are for the account it runs under. Many people simply use their usual login (the default 'ubuntu' login on a UEC image for example).


DevStack can be extensively configured via the configuration file local.conf. It is likely that you will need to provide and modify this file if you want anything other than the most basic setup. Start by reading the configuration guide for details of the configuration file and the many available options.