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Automated OS & App DeploymentUsing Puppet and Razor

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Jonas RoslandSoftware-Defined Specialist@virtualswede

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CoolApp 3000

NEW!

WIDGETS!

IMPROVED!

FEAT

URES!

Project ManagerIs a person who thinks nine women

can deliver a baby in one month

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MY

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Puppetize everything!

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What is Puppet? IT automation software Helps system administrators manage

infrastructure throughout its lifecycle Provisioning and configuration Patch management and compliance Highly scalable

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How scalable? Google manages more than 50000 systems Zynga scaled from 0 to 10000 servers in 2

months I am managing tens of machines!

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Why is Puppet cool? Centralized, Scalable configuration management for

server farms Abstracted from underlying OS (to a point) Configurations can be stored in a version control

system (like Git) for historical change tracking Automated configuration of individual machines

based on hardware/software configuration Auditing of configuration of individual machines

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Where Puppet helps Bridge the gap between sysadmins and app/dev

teams Using a common structure to create Dev, QA and

Production environments Standardizing applications and their configurations Result: Consistent platforms throughout with minimal

pain

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Puppet gives youSoftware-Defined Infrastructure

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Example of a Puppet manifestnode /blogserver/ { include ntp include wordpress firewall { '100 allow http': proto => 'tcp', dport => '80', action => 'accept', }}

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Puppet Architecture

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EVERY

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So what’s Razor? Cloud provisioning tool Operating Systems AND Hypervisors Physical AND virtual Event-driven instead of user-driven

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Why not just use templates? They get old fast Pre-packages bits are harder to maintain No easy upgrade to next distro version

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So how does it work?

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Auto-Discovered Real-Time Inventory Data Boots a Micro-Kernel Primarily using facter For every hardware node Eliminating inefficient, error-prone manual

processes Full insight into the latest, up-to-date status

of your hardware inventory

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Dynamic Image Selection Selects the correct operating system image Based on auto-discovered, real-time

inventory data No manual intervention needed

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Model-Based Provisioning Models the desired state of each hardware

node and its operating system Automatically tracks provisioning progress

toward this state Full control over a node’s boot sequence and

a complete log of its lifecycle

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Open APIs and Plug-in Architecture RESTful open APIs Full programmatic control of the rules and

models that govern operating system image selection and hardware provisioning

Enables the Puppet community to collaborate and share plug-ins to support any operating system and any boot sequence

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Metal-to-Cloud Application Lifecycle Management No need for siloed management tools!

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Puppet + Razor = Good!

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Razor installation using Puppetnode razor { class { 'sudo': config_file_replace => false, } include razor}

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Add a brokerrz_broker { 'puppet_broker': ensure => present, plugin => 'puppet', metadata => { broker_version => '2.7.18', server => 'puppet.purevirtual.lab', } }

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Add an image to deployrz_image { "ubuntu_precise_image": ensure => present, type => 'os', version => '12.04.1', source => "http://ftp.sunet.se/pub/os/Linux/distributions/ubuntu/ubuntu-cd/12.04.1/ubuntu-12.04.1-server-amd64.iso",}

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Add a model for deploymentrz_model { 'install_ubuntu_precise': ensure => present, description => 'Ubuntu Precise', image => 'ubuntu_precise_image', metadata => {'domainname' => 'purevirtual.lab', 'hostname_prefix' => 'ubuntu-', 'root_password' => 'password'}, template => 'ubuntu_precise',}

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Finally, create a policy to tie it all togetherrz_policy { 'ubuntu_precise_policy': ensure => present, broker => 'puppet_broker', model => 'install_ubuntu_precise', enabled => 'true', tags => ['memsize_1GiB'], template => 'linux_deploy', maximum => 10,}

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DEMOTIME!

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On the agenda VMworld 2013

– San Francisco– AND– Barcelona

PuppetConf maybe? Meet me online?

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Wanna get started?How to and best practices on my blog:http://purevirtual.eu/category/automation/puppet/http://purevirtual.eu/category/automation/razor/

Send me an email/tweet!

jonas.rosland@emc.com@virtualswede