Packstack

Derek HigginsSenior Software EngineerRed Hat

Packstack

A utility that uses Puppet modules to deploy various parts of OpenStack on multiple pre-installed servers over SSH.

RDO

a freely-available, community-supported distribution of OpenStack that runs on Red Hat Enterprise Linux, Fedora, and their derivatives.

RDO

Makes it easy to install and deploy the most up-to-date OpenStack components.

Packages Openstack components and versions of their dependencies that are known to work together.

Provides you with installation tools to simplify Openstack installation

Packstack

1. sudo yum install -y http://...2. sudo yum install -y openstack-packstack3. packstack --allinoneor3. packstack --gen-answer-file

Overview

Pythonuser interactionsparsing answerfilegenerate puppet manifestscoordinate puppet tasks

ssh (multiple hosts)

puppetpuppet apply- in series on each host- multiple hosts done in parallel (where possible)

RDO Openstack packages

Packstack Plugins

One per component

Responsible for Registering config directives

Minimal script on hosts

Generating puppet manifest

Nova plugin : Config Directives

{"CMD_OPTION": "novaconductor-host", "USAGE" : "The IP address of the server on which to install the Nova Conductor service", "PROMPT": "Enter the IP address of the Nova Conductor service", "OPTION_LIST" : [], "VALIDATORS": [validators.validate_ip, validators.validate_ssh], "DEFAULT_VALUE" : utils.get_localhost_ip(), "MASK_INPUT": False, "LOOSE_VALIDATION": True, "CONF_NAME" : "CONFIG_NOVA_CONDUCTOR_HOST", "USE_DEFAULT" : False, "NEED_CONFIRM": False, "CONDITION" : False },

Nova plugin : Config Directives

{"CMD_OPTION": "nova-db-passwd", "USAGE" : "The password to use for the Nova to access DB", "PROMPT": "Enter the password for the Nova DB access", "OPTION_LIST" : [], "VALIDATORS": [validators.validate_not_empty], "DEFAULT_VALUE" : uuid.uuid4().hex[:16], "MASK_INPUT": True, "LOOSE_VALIDATION": False, "CONF_NAME" : "CONFIG_NOVA_DB_PW", "USE_DEFAULT" : True, "NEED_CONFIRM": True, "CONDITION" : False },

Nova plugin : script

server = utils.ScriptRunner(host) cmd = "ip addr show dev %s" server.append(cmd % (device, device)) server.execute()

Nova plugin : puppet manifest

def createkeystonemanifest(config): manifestfile = "%s_keystone.pp"%controller.CONF['CONFIG_KEYSTONE_HOST'] manifestdata = getManifestTemplate("keystone_nova.pp") appendManifestFile(manifestfile, manifestdata)

class {"nova::keystone::auth": password => "%(CONFIG_NOVA_KS_PW)s", public_address => "%(CONFIG_NOVA_API_HOST)s", admin_address => "%(CONFIG_NOVA_API_HOST)s", internal_address => "%(CONFIG_NOVA_API_HOST)s", cinder => true,}

keystone_nova.pp

Puppet plugin : applying modules

Copy modules and manifests to all hosts

Apply groups of manifests in parallelDon't run in parallel on same hosts

Monitor for log file

Search log file for errors

Continue to next group of manifests

Puppet modules used

Stackforge Modulescinder glance horizon keystone neutron nova openstack swift

Otherapache concat firewall inifile memcached mysql qpid rsync ssh stdlib sysctl vlan xinetd

MySQL

Create Users

Create Databases

Configure Access

Keystone

PKI default token format

Admin / Demo / Per Service users

Services / Endpoints created

Compulsory Service

Glance

Api / Registry same host

Populated with cirros image

Nova

Controller / Service per Host

1+ nova compute hosts

libvirt kvm / qemu

tunes compute nodes (virtual-host profile)

Networking

nova FlatDHCP

nova VLAN

Neutron

L2 pluginsLinuxbridge

openvswitch

Namespace enabled kernel

Cinder

Backends :lvm/iscsi

gluster (havana)

nfs

Lvm/iscsi Creates Sample 20G cinder-volumes VG

Volume/Scheduler/API same host only

Swift

Single proxy

Multiple storage hosts

Multiple storage devices

Configurable ring

Horizon

Http / Https options

os-client

Client libraries / cli's installed

Admin and demo rc files

Nagios

Nrpe

MonitorsLoad

disk usage (/var)

Keystone

Glance

Nova

Cinder

Swift

Other

Iptables Filters

sebools

Coming Soon

Heat

Ceilometer

More Info

Packstack --help

http://openstack.redhat.com/

http://openstack.redhat.com/Quickstart

https://github.com/stackforge/packstack

MeEmail : derekh@redhat.com

Twitter : @bethehokie

Freenode : derekh