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Puppet and OpenStackColleen Murphy - Puppet Labs
About Me● Background in system administration and
puppet at Portland State University● Puppet Labs module engineer● StackForge puppet core contributor
Colleen Murphy ⚙ freenode/crinkle ⚙ twitter/@pdx_krinkle ⚙ github/cmurphy
Overview● Intro to OpenStack● Leveraging puppet for OpenStack● What makes puppet awesome at this● Challenges we’re facing as puppet users
What is OpenStack?OpenStack is an open source cloud computing platform.● Public clouds - Amazon competitors● Private clouds - Internal infrastructure,
developer support, QA support
An OpenStack Deployment
MySQLRabbitMQ
An OpenStack Deployment
KeystoneIdentity
MySQLRabbitMQ
An OpenStack Deployment
CinderBlock Storage
DesignateDNS
TroveDatabase
ZaqarMessaging
ManilaShared Files
HorizonDashboard
TempestQA
GlanceImage
SwiftObject Storage
CeilometerTelemetry
SaharaData Processing
NeutronNetworking
HeatOrchestration
BarbicanKey Mgmt
IronicBare Metal
NovaCompute
KeystoneIdentity
MySQLRabbitMQ
An OpenStack Deployment
CinderBlock Storage
DesignateDNS
TroveDatabase
ZaqarMessaging
ManilaShared Files
HorizonDashboard
TempestQA
GlanceImage
SwiftObject Storage
CeilometerTelemetry
SaharaData Processing
NeutronNetworking
HeatOrchestration
BarbicanKey Mgmt
IronicBare Metal
NovaCompute
KeystoneIdentity
MySQLRabbitMQ
Puppetizing OpenStack
CinderBlock Storage
DesignateDNS
TroveDatabase
ZaqarMessaging
ManilaShared Files
HorizonDashboard
TempestQA
GlanceImage
SwiftObject Storage
CeilometerTelemetry
SaharaData Processing
NeutronNetworking
HeatOrchestration
BarbicanKey Mgmt
IronicBare Metal
NovaCompute
KeystoneIdentity
MySQLRabbitMQ
Puppetizing OpenStack
CinderBlock Storage
DesignateDNS
TroveDatabase
ZaqarMessaging
ManilaShared Files
HorizonDashboard
TempestQA
GlanceImage
SwiftObject Storage
CeilometerTelemetry
SaharaData Processing
NeutronNetworking
HeatOrchestration
BarbicanKey Mgmt
IronicBare Metal
NovaCompute
KeystoneIdentity
MySQLRabbitMQ
openstacklib
openstack_extras
apache
firewall
epel
corosync
memcached
ntp
apt
StackForge
Tools using Puppet for OpenStack
● Fuel
● RDO/PackStack
● TripleO-Puppet-Elements
Popularity of Puppet
Source: OpenStack User Survey November 2014
Why is puppet great at this?
Resource Abstraction Layerpackage { 'nova': ensure => installed, name => $package_name,}
file { '/etc/nova/nova.conf': mode => 0640, owner => 'nova', group => 'nova', require => Package['nova'],}
service { 'nova-api': ensure => running, enable => true,}
Resource Abstraction Layerkeystone_tenant { 'services': ensure => present, description => 'Services Tenant', enabled => true,}
neutron_subnet { '10.0.0.0/24': cidr => '10.0.0.0/24', ip_version => '4', enable_dhcp => true, network_name => 'private', tenant_name => 'services', dns_nameservers => [$dns],}
nova_config { 'DEFAULT/default_floating_pool': value => 'private'}
Resource Ordering
Composability and Reusability
Active Community
Hiera######## Fixed IPs (controllers)
openstack::controller::address::api: '192.168.11.4'openstack::controller::address::management: '172.16.33.4'openstack::storage::address::api: '192.168.11.5'openstack::storage::address::management: '172.16.33.5'
######## Database
openstack::mysql::root_password: 'spam-gak'openstack::mysql::service_password: 'fuva-wax'openstack::mysql::allowed_hosts: ['localhost', '127.0.0.1', '172.16.33.%']
openstack::mysql::keystone::user: 'keystone'openstack::mysql::keystone::pass: 'fuva-wax'
Hieranode 'control.example.com' {
include ::openstack::role::controller
}
node 'storage.example.com' {
include ::openstack::role::storage
}
node 'network.example.com' {
include ::openstack::role::network
}
node 'compute.example.com' {
include ::openstack::role::compute
}
What challenges are there?
Orchestration
Image source: f5.com
High Availability
Image source: cloudcaboodle.com
Testing
Keeping up
Thanks!
Colleen Murphy ⚙ freenode/crinkle ⚙ twitter/@pdx_krinkle ⚙ github/cmurphy
