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INFRASTRUCTUREAUTOMATIZATION

WITH CHEFCreated by Siniša Maksenčuk

ABOUT MELinux System Administrator @InfostudEx PHP DeveloperChef Enthusiast

AGENDAAbout InfostudWhy Conf. Management?Chef ConceptChef Benefits

1. ABOUT INFOSTUD

INFOSTUD SITES

INFOSTUD SITESNUMBERS:

Page views per month 100-120 Million

Data transfer 80 TB/month

Requests per second 900 (peak: 2000)

Queries per second 1300 (peak: 3000)

Number of Servers ~100

INFOSTUD INFRASTRUCTURESERVERS:

Type Count

Bare Metal ~20

Virtual Machines ~80

Total ~100

INFOSTUD INFRASTRUCTURESERVICES:

Type Technology

Load Balancer HAProxy

Web Apache, Nginx, PHP

Database MySQL, MongoDB

Cache Varnish, Memcached

Search SolR

2. WHYCONFIGURATIONMANAGEMENT?

WHY CM?Server Configuration DriftScale OutSecurity PatchOut-of-Date DocumentationDisaster Recovery

EVOLVING TOWARDSCONFIGURATION MANAGEMENT

Just build itKeep notes in server.txtMove notes to the wikiCustom scriptsSnapshot & Clone

CONFIGURATION MANAGEMENTTOOLS

AnsibleCFEngineChefPuppetSalt...

3. CHEF

CHEF (OPSCODE)Automation PlatformInfrastructure as CodeClient/Server ArchitectureRuby (Ruby DSL)

CHEF ELEMENTSChef ServerChef WorkstationNodes

CHEF OVERVIEW

CHEF WORKFLOW

(WS) ==> (S) [Upload cookbooks](WS) ==> (N) [Bootstrap](WS) ==> (S) [Upload Node metadata](N) <== (S) [Sync Metadata](N) <== (S) [Sync Cookboks]

4. CHEF BENEFITS

CHEF BENEFITSFewer Outages, Greater ReliabilityMore efficient Change ManagementFaster problem resolutionProduction vs. Development EnvironmentDeploy Servers and Scale Applications Faster

CHEF BENEFITSFaster restoration of serviceGreater levels of securityLiving DocumentationDeployment AutomationCost Reduction

THANK YOU- - -

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