devops · 2011-05-20 · coffee machine discussions. devops origins. devops enablers agile web...
TRANSCRIPT
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devopsDev / Ops Synergy
and much more
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Gildas Le Nadan
10 years + IT Ops
Freelance
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Frombuilding with lego®
tocoffee machine
discussions
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Devops
origins
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Devops enablers
AgileWeb
OpenSource
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Enterprise IT in its infancy
a differentiator!
deployed whatever the cost
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Enterprise IT nowadays
A cost center!
mitigation through ITIL, etc
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Nowadays on the web
IT is still a differentiator!
devops!
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Had a revelation. A reason #devops has risen to
attention: People that had to just make the web work 10+ yrs ago are now the senior
staff.@brianlmoon
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Why
devops ?
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The deployment problem
Dev vs Ops
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Just heard of a place that ties bonuses for ops staff to
availability and bonuses for devs for milestones
#payingpeopletofight #notdevops :)
@allspaw
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[Agile manifesto]
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developped fonctionalities
vs.application availability
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creating value sourcevs.
creating value while offering a service
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Value exist only if the service is provided !
Importance of Non Functional Requirements
(NFR)
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Non Functional Requirements
DiagnosticPackagingScalabilityStabilityVersionningUpdatesSecurity/traceability/auditabilityAccess controlManaging shared ressources...
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To a sysadmin your config files and logs are often their only UI. Think of the UX of XML and exceptions. #devop
@ripienaar
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Solutions to the deployment problem
communication automation continuous integration information radiators etc...
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Business alignement
KPI, Measures
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No dogma,
No manifesto
Values
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CultureAutomationMeasureSharing
John Willis & Damon Edwards
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Culture
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☆
Number of engineers
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★
Servers/engineer
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★★
Services/engineer
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★★★★
Value/engineer
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Cooperationvs.
Silos
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automationvs.
process
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Self Service!
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Adaptation of Agile techniques
scrum, scrumban, kanban, lean, standup
meeting, retrospectives, pairing, ...
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Automation
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Infrastructure as Code
Andrew Shafer
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We need APIs!
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Servers
Services
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Servers = silos
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Facts not names
RI Pienaar
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Opensource?
Necessarydiagnostic,adaptability,investments durability,lower infrastructure debt
Not sufficient
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Infrastructure Debt
Opscode, Andrew Shafer, Israel Gat
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workaround_in_prod =
infra_debt++
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Stack
Applicatif
Framework
Système d'Exploitation
Hardware
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Push_complexity_downthe_stack
=infra_debt++
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Loose coupling
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Measure
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[graph here]
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swap: for times when you want massive performance
degradation to happen somewhat silently rather
than fast failure and recovery.
@jordansissel
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MTBFMean Time Between
Failure
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MTTDMean Time To Diagnose
MTTRMean Time To Repair
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KeepItSimpleStupid
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Feedback is important
(Eat your own dogfood!)
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MTTCMean Time To Communicate
webmetrics
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Sharing
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Common Vision
Common problems
Common vocabulary
Common tools
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Devopsdays
Devops meetups (+dojos?)
Devops mailing list
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Every day I hear about more ops jobs @ great companies around the world. We need an ops university so better
talent can develop.
@jsoltero
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Devops
1 year later
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5 devopsdaysgrowing # of meetups jobs!
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Devops
actual challenges
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Web businessvs.
“classic” business
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Managing 1000+ servers in a datacentre should be as easy as putting together an Ikea
cupboard #devops
@geogdog
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Evaluating the devops strategy?
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vs.
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Monitoring!
Service orientedAdaptableScalable
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Load testing in continuous integration
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Packaging distribution applications and
external applications
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“OS Bloat” and framework that sucks !
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Questions?
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Gildas Le Nadan<[email protected]>
@endemics
http://www.devopsdays.org/http://www.devopscafe.org/
http://www.planetdevops.net/