Uploaded byAndreas Schmidt
OSDC2014: Testing Server Infrastructure with #serverspec
The document discusses testing server infrastructure using Serverspec, highlighting its purpose, use cases, and benefits in provisioning and delivery across various IT environments, including cloud technologies and compliance-oriented sectors. It outlines the integration of Serverspec with infrastructure automation tools, emphasizing dynamic and static aspects of system performance, as well as the importance of detailed documentation and specifications. Additionally, it promotes a test-driven approach for maintaining infrastructure quality and compliance.
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OSDC2014: Testing Server Infrastructure with #serverspec
- 1. © 2014 CassiniConsulting Andreas Schmidt Testing server infrastructure with serverspec
- 2. Cassini Consulting @cassinigmbh • IT& Management Consulting Andreas Schmidt • From Dev to Ops • Infrastructure & Deployment Automation w/ ruby
- 3. • Purpose ofinfrastructure testing • #serverspec • Examples / Demo • Use Cases & benefits
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- 8. „Startup“ • Recent cloud technology •Virtual Infrastructure Provisioning • „Phoenix Server“ „Classic“ IT Environments • Both virtualized & non-virtualized • Mixed Provisioning processes • IT outsourcing • IT System & Software Architecture Regulated IT Environments • i.e. banking, insurance companies, governmen t • + Compliance • + Security Low Cost Short Cycle Time Documentation (Internal/External) Audit Capabilities Internal Documentation Acceptance Tests
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- 10. Lower-level configuration aspects •VM infrastructure & kernel parameters • Networking • Logical volume management Side effects • RPM post-install scripts Documentation • Specification of infrastructure • Human Readable Testing on machine itself what‘s missing?
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- 12. serverspec • www.serverspec.org • github.com/serverspec/serverspec MITLicense Gosuke Miyashita @gokusenator „With serverspec, you can write RSpec tests for checking your servers are configured correctly.“
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- 18. Development box CM code Staging Provision Test locally CM code specs box „state“ Teston server(s) server spec „Spec“ box
- 19. Development box CM code Staging Local VMor Container Provision Test locally CM code specs box „state“ Provision Test on server(s) server spec „Spec“ box
- 20. Development box CM code Staging Local VMor Container Provision Test locally CM code specs box „state“ Test Provision Test on server(s) server spec „Spec“ box
- 21. Development box CM code Staging Local VMor Container Provision Test locally CM code specs box „state“ Test Provision Test on server(s) server spec „Spec“ box
- 22. $ gem installserverspec diff-lcs, highline, rake net-ssh rspec, rspec-core, rspec- expectations, rspec-mock specinfra, serverspec Basics ssh to target hosts spec basics „Backend“ for infrastructure tests (local/remote, command abstraction, helpers) „Frontend“ w/ resource types rspec
- 23. Demo • Serverspec Basics •Overview of resource types • Using abstractions and facts • Introduce roles • Environment-independent specs through properties
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- 25. Monitoring vs. Spec •Dynamic Aspects (crashed servers, services not reachable, disk full, ...) • Mostly in „internal form“, not human readable, special checks buried in scripts • Static Aspects (how system is built) • Explicit form, human readable • Keep your system up & running • Build according to a specification and prove compliance with it
- 26. Additional tools • Comparable: rspec-system( beaker-rspec), rspec-system-serverspec • Integrate serverspec into vagrant as a provisioner: github.com/jvoorhis/vagrant-serverspec • Reporting http://vincent.bernat.im/en/blog/2014-serverspec-test- infrastructure.html
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- 31. Work test driven – Define,build, compare your environments.
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- 33. Cassini Consulting Niederlassung Düsseldorf AndreasSchmidt Bennigsen-Platz 1 40474 Düsseldorf Deutschland andreas.schmidt@cassini.de visit www.cassini.de Alle Angaben basieren auf dem derzeitigen Kenntnisstand. Änderungen vorbehalten. Dieses Dokument von Cassini Consulting ist ausschließlich für den Adressaten bzw. Auftraggeber bestimmt. Es bleibt bis zur einer ausdrücklichen Übertragung von Nutzungsrechten Eigentum von Cassini. Jede Bearbeitung, Verwertung, Vervielfältigung und/oder gewerbsmäßige Verbreitung des Werkes ist nur mit Einverständnis von Cassini zulässig.