Components

https://en.wikipedia.org/wiki/OpenStack#Components

Compute (Nova)
Networking (Neutron)
Block storage (Cinder)
Identity (Keystone)
Image (Glance)
Object storage (Swift)
Dashboard (Horizon)
Orchestration (Heat)
Workflow (Mistral)
Telemetry (Ceilometer)
Database (Trove)
Elastic map reduce (Sahara)
Bare metal (Ironic)
Messaging (Zaqar)
Shared file system (Manila)
DNS (Designate)
Search (Searchlight)
Key manager (Barbican)
Container orchestration (Magnum)
Rule-based alarm actions (Aodh)

Releases

https://releases.openstack.org/

Series    Status    Initial Release Date    Next Phase    EOL Date
Queens    Under Development    scheduled         TBD
Pike    Phase I – Latest release    2017-08-30    Phase II – Maintained release on 2018-02-26    2018-09-03
Ocata    Phase II – Maintained release    2017-02-22    Phase III – Legacy release on 2018-02-26    2018-02-26
Newton    Phase II – Maintained release    2016-10-06    Phase III – Legacy release on 2017-10-09    2017-10-11
Mitaka    EOL    2016-04-07         2017-04-10
Liberty    EOL    2015-10-15         2016-11-17
Kilo    EOL    2015-04-30         2016-05-02
Juno    EOL    2014-10-16         2015-12-07
Icehouse    EOL    2014-04-17         2015-07-02
Havana    EOL    2013-10-17         2014-09-30
Grizzly    EOL    2013-04-04         2014-03-29
Folsom    EOL    2012-09-27         2013-11-19
Essex    EOL    2012-04-05         2013-05-06
Diablo    EOL    2011-09-22         2013-05-06
Cactus    Deprecated    2011-04-15
Bexar    Deprecated    2011-02-03
Austin    Deprecated    2010-10-21

Hardware requirements & design

https://docs.openstack.org/newton/install-guide-rdo/overview.html#example-architecture
at least two nodes (hosts):controller(2 NICs) + compute(2 NICs)
Optional services such as Block Storage and Object Storage require additional nodes.

devstack

http://docs.openstack.org/developer/devstack/guides/single-machine.html
Use of postgresql in devstack is deprecated, and will be removed during the Pike cycle

export GIT_BASE=http://github.com  # fix git clone hangs issue
export no_proxy=127.0.0.1,192.168.88.15    # don't use *; fix: Could not determine a suitable URL for the plugin

sudo useradd -s /bin/bash -d /opt/stack -m stack
echo "stack ALL=(ALL) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/stack
sudo su - stack
git clone https://git.openstack.org/openstack-dev/devstack

./stack.sh:main:224     xenial|yakkety|zesty|stretch|jessie|f24|f25|f26|opensuse-42.2|opensuse-42.3|rhel7|kvmibm1

http://docs.openstack.org/developer/openstack-ansible/developer-docs/quickstart-aio.html
https://developer.rackspace.com/blog/life-without-devstack-openstack-development-with-osa/

Ubuntu conjure-up

http://conjure-up.io/docs/en/users/#getting-started

snap install conjure-up --classic
conjure-up openstack

RDO/Packstack

https://www.rdoproject.org/install/packstack/

sudo systemctl disable firewalld
sudo systemctl stop firewalld
sudo systemctl disable NetworkManager
sudo systemctl stop NetworkManager
sudo systemctl enable network
sudo systemctl start network

yum install -y centos-release-openstack-pike && \
yum update -y  && \
yum install -y openstack-packstack && \
packstack --allinone || packstack --answer-file=FILE    

Instance Images

http://docs.openstack.org/image-guide/obtain-images.html
http://cdimage.debian.org/cdimage/openstack/
http://linuximages.de/openstack/arch/

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