System for quickly installing an OpenStack cloud from upstream git for testing and development.
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Nate Johnston efc04eec00 Look for ipv6 routes so ipv6-only jobs will not fail
For change 739139 [1] PS 12, the
neutron-tempest-plugin-scenario-linuxbridge died in devstack with
"/opt/stack/devstack/functions-common:237 Failure retrieving default
route device", which comes from
"/opt/stack/devstack/lib/neutron-legacy:237:die_if_not_set".

Looking at the worlddump.txt for that job [2] I see that there is a
default ipv6 route; the vm was not configured with ipv4 networking.

    ip route
    --------

    ip -6 route
    -----------

    ::1 dev lo proto kernel metric 256 pref medium
    2607:ff68:100:54::/64 dev ens3 proto kernel metric 256 expires 86380sec pref medium
    fe80::/64 dev ens3 proto kernel metric 256 pref medium
    default via fe80::f816:3eff:fe77:b05c dev ens3 proto ra metric 1024 expires 280sec hoplimit 64 pref medium

Looking at the devstack code that throws the error [3] it looks like
it only looks for a default route in the output of `ip route`, which
does not include ipv6 information.  This change should look in both
the ipv4 and ipv6 route table.  A similar check in the L3 setup code
is also updated.

[1] https://review.opendev.org/#/c/739139/
[2] https://d4eb7e3efe98cba79a4b-f4d168cdb20f40841821e4b213645c0f.ssl.cf2.rackcdn.com/739139/12/gate/neutron-tempest-plugin-scenario-linuxbridge/9a6b4f7/controller/logs/worlddump-latest.txt
[3] https://opendev.org/openstack/devstack/src/branch/master/lib/neutron-legacy#L236

Closes-Bug: #1902002
Change-Id: I839e8c222368df98fec308cf41248a9dd0a8c187
2020-11-09 17:05:38 -05:00
data Fix comment in plugin-registry header 2016-08-31 10:07:06 +10:00
doc Fix propose-updates job 2020-08-02 13:13:00 +02:00
extras.d Merge "Ensure testing configuration can run as late as possible" 2016-11-30 16:30:38 +00:00
files Add a dependency file for os-brick (and add lsscsi) 2020-08-13 09:55:08 +02:00
gate Mostly docs cleanups 2015-03-28 14:35:12 -05:00
inc Use SETUPTOOLS_USE_DISTUTILS=stdlib for global pip installs 2020-08-31 15:01:20 +02:00
lib Look for ipv6 routes so ipv6-only jobs will not fail 2020-11-09 17:05:38 -05:00
playbooks Fix: do not lose the tox_environment value in func tests 2020-10-11 21:59:07 +02:00
roles Fix: do not lose the tox_environment value in func tests 2020-10-11 21:59:07 +02:00
samples Fix default security group in samples/local.sh 2019-09-05 14:30:41 +00:00
tests [OVN] Move OVN module from Neutron to DevStack 2020-08-11 15:47:01 +01:00
tools fix ipv6 flag order in worlddump 2020-10-21 14:05:17 +01:00
.gitignore Ignore local.conf in root of repo 2018-12-18 09:04:49 +00:00
.gitreview OpenDev Migration Patch 2019-04-19 19:43:10 +00:00
.mailmap Remove AUTHORS 2014-08-14 13:52:28 +10:00
.zuul.yaml Add Fedora 32 to supported list and use as fedora-latest 2020-09-25 11:33:57 +01:00
CONTRIBUTING.rst [ussuri][goal] Update contributor documentation 2020-04-23 02:56:13 +00:00
FUTURE.rst Document where we are going 2015-02-05 16:20:52 -05:00
HACKING.rst Merge "Update HACKING doc" 2020-09-16 06:24:39 +00:00
LICENSE Add Apache 2 LICENSE file 2012-04-18 01:45:35 -05:00
MAINTAINERS.rst Move Sahara into in-tree plugin 2015-07-01 16:09:56 +00:00
Makefile Suppressed echoing of the line. 2016-04-30 14:11:52 +05:30
README.rst Update (git|review).openstack.org links to opendev 2019-06-21 14:35:16 +10:00
clean.sh move cleanup of pyc files 2020-09-02 04:48:31 +00:00
functions Remove standalone requirement for glance import 2020-07-22 07:03:57 -07:00
functions-common move cleanup of pyc files 2020-09-02 04:48:31 +00:00
openrc Revert "Drop keystone dedicated ports" 2020-07-06 14:01:08 -05:00
run_tests.sh Remove old comment in run_tests.sh 2015-04-17 13:23:25 +10:00
setup.cfg Cleanup py27 support 2020-05-09 13:35:01 +02:00
setup.py Convert all HTML doc to RST 2014-10-22 12:27:00 -04:00
stack.sh Move supported distros to variable 2020-10-06 11:01:12 +02:00
stackrc Update DEVSTACK_SERIES to wallaby 2020-09-30 11:06:49 -05:00
tox.ini Cleanup py27 support 2020-05-09 13:35:01 +02:00
unstack.sh move cleanup of pyc files 2020-09-02 04:48:31 +00:00

README.rst

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

Goals

  • 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

Read more at https://docs.openstack.org/devstack/latest

IMPORTANT: Be sure to carefully read stack.sh 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 stack.sh in a clean and disposable vm when you are first getting started.

Versions

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
./stack.sh

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:

GLANCE_REPO=https://opendev.org/openstack/glance.git
GLANCE_BRANCH=milestone-proposed

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):

./stack.sh

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...

stack.sh 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. stack.sh specifically does not run if started as root.

DevStack will not automatically create the user, but provides a helper script in tools/create-stack-user.sh. 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).

Customizing

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.