DevOps All slides and pictures in this presentation, even those based on real presentations and ideas, are entirely an opinionated view of devops by a single person and does not speak for any sane group of people, vendor, cthulhu or the giant spaghetti monster
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DevOps is not a Culture. It is about responsibility
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DevOpsAll slides and pictures in this presentation,
even those based on real presentations and ideas,are entirely an opinionated view of devops by a
single person and does not speak for any sane groupof people, vendor, cthulhu or the giant spaghetti monster
DevOps is not a Cultureor a job description
or a methodologyor a tool
Developer’s job description:
Take requirements and build software
They are:
Experts coders, modelers, problem resolvers, adapting to change, complex systems, etc.
Developer’s responsibilities:
• Write the software• Model data schema• Design system architecture• Prepare shippable software• Fixing bugs• “It works on my machine!”
Operation’s job description:
Make sure the product runs and stays running.
They are:
Experts at managing clouds, networking, storage, security, handling failures,preventing attacks.
Operation’s responsibilities:
• Ensure production is running• Minimize risk to production
– Risk from change– Risk from malfunctions– Risk from attacks
• Mitigate problems
Ever seen NASA Mission Control?
Operations are measured by production stability
Stabilize production minimize riskRisk caused by malfunctions, attacks, changeChange introduced by developers
Operations are measured by production stability
Stabilize production minimize riskRisk caused by malfunctions, attacks, changeChange introduced by developers
Operations responsibility is to prevent developers from introducing change
We want stability!Developers Operations
We want change!
We want stability!
We are measured by our stability. It is our job!
Developers OperationsWe want change!
We are measured by our changes. It is our job!
Change the Responsibility
Developer’s responsibilities (devops):
• Write the software, etc.• Prepare shippable software• Fixing bugs• Mitigate risk due to changes• Ensure stability due to changes
Developer’s responsibilities (devops):
Developers own the change and its impact to production
Which means for the developer
• Pre-deployment guards – compilers, unit tests, integration tests,