devops a history - GeekWire · DevOps: A History Nell Shamrell-Harrington @nellshamrell GeekWire...
Transcript of devops a history - GeekWire · DevOps: A History Nell Shamrell-Harrington @nellshamrell GeekWire...
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DevOps: A HistoryNell Shamrell-Harrington
@nellshamrell GeekWire CloudTech Summit
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Who Am I?
Nell Shamrell-HarringtonSr. Software Engineer at Chef
Core maintainer of Habitat and Supermarket open source projectsCo-host of Food Fight podcast
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Why a talk about the history of DevOps?
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Doesn’t everybody already know this???
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No
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As DevOps has spreadthroughout the industry
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DevOps has become overmarketed
and hyped
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Context has been lost
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Context is crucial for both understanding and
applying DevOps
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Buzzwords!!!
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Source: upgrad.com
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Source: blog.modulus.io
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Where is the signal in the noise?
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To go forward, you must go back - Game of Thrones
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The purpose of this talk is to highlight the origin and
context of these buzzwords
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How to they are to relevant to us now and into the future
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Let’s start with a meta-buzzword!
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Meta-buzzword: Scale
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Meta-buzzword: Scale
18th Century: Craft Production
Source: “The Machine that Changed the World” by Womack, Jones, and Roos
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1785: Honore Blanc introduces
interchangeable gun parts
Meta-buzzword: Scale
Source: “Implementing Lean Software Development” by Poppendieck
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1908: Henry Ford produces the Model T
Meta-buzzword: Scale
Source: “The Machine that Changed the World” by Womack, Jones, and Roos
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Interchangeable parts, interchangeable workers
Meta-buzzword: Scale
Source: “The Machine that Changed the World” by Womack, Jones, and Roos
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“Standardization in its true sense is the union of all the best points of
commodities with the best points of production…”
- Henry Ford
Meta-buzzword: Scale
Source: “Today And Tomorrow” by Henry Ford
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“…to the end that the best commodity may be produced
in sufficient quantity and at the least cost to the consumer”
- Henry Ford
Meta-buzzword: Scale
Source: “Today And Tomorrow” by Henry Ford
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“Many people thought that machine production would destroy craftsmanship…”
- Henry Ford
Meta-buzzword: Scale
Source: “Today And Tomorrow” by Henry Ford
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“Exactly the reverse has come about; we now need more
expert machinists than we have ever needed”
- Henry Ford
Meta-buzzword: Scale
Source: “Today And Tomorrow” by Henry Ford
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Sound familiar?
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“Each of the high performers had server/sysadmin ratios
greater than 100:1…”
Meta-buzzword: Scale
Source: “The Visible Ops Handbook” by Behr, Kim, and Spafford
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“In contrast, analysts report that average server/sysadmin ratios
is between 15:1 and 25:1”
Meta-buzzword: Scale
Source: “The Visible Ops Handbook” by Behr, Kim, and Spafford
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Back to the past!
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Ford Mass Production System designed for
huge quantitiesof limited models
Meta-buzzword: Scale
Source: “The Toyota Way” by Jeffrey K. Liker
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“Any customer can have a car painted any color
that he wants as long as it is black”
- Henry Ford
Meta-buzzword: Scale
Source: “My Life and Work” by Henry Ford
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Meta-buzzword: Lean
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Lean was originally used to characterize
the Japanese approach to automobile manufacturing
Meta-buzzword: Lean
Source: “Implementing Lean Software Development” by Poppendieck
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1926: Toyoda Automation Loom Works
Meta-buzzword: Lean
Source: “The Toyota Way” by Jeffrey K. Liker
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Buzzword: Jidoka
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Automation with a human touch
Buzzword: Jidoka
Source: “The Toyota Way” by Jeffrey K. Liker
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Sound familiar?
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“…ask yourself, does this alert require any immediate
intervention? Alerts should be actionable.”
- Patrick Debois
Buzzword: Jidoka
Source: “Web Operations” by John Allspaw and Jesse Robbins
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“If an alert can be ignored or doesn’t require human
intervention, the alert is a waste of energy” - Patrick Debois
Buzzword: Jidoka
Source: “Web Operations” by John Allspaw and Jesse Robbins
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Back to the past!
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1930’s: Toyota pivots from looms
to automobiles
Meta-buzzword: Lean
Source: “The Machine that Changed the World” by Womack, Jones, and Roos
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1940’s: World War II
Meta-buzzword: Lean
Source: “The Toyota Way” by Jeffrey K. Liker
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Toyota Production System
Meta-buzzword: Lean
Source: “The Toyota Way” by Jeffrey K. Liker
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“Flexibility required marshaling the
ingenuity of workersto continuously
improve processes”
Meta-buzzword: Lean
Source: “The Toyota Way” by Jeffrey K. Liker
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Buzzword: Kaizen
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Continuous Improvement
Buzzword: Kaizen
Source: “The Toyota Way” by Jeffrey K. Liker
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Buzzword: Kanban
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Kanban “pulls” from the previous step
Buzzword: Kanban
Source: “The Toyota Way” by Jeffrey K. Liker
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Buzzword: Just In Time
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“…only what is needed, when it is needed, and in the amount needed”
Buzzword: Just In Time
Source: “Just-in-Time” toyota-global.com
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Sound familiar?
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“WIP in the silent killer”
Buzzword: Just In Time
Source: “The Phoenix Project” by Kim, Behr, and Spafford
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“If no one has slack time, WIP just gets stuck in the system.”
Buzzword: Just In Time
Source: “The Phoenix Project” by Kim, Behr, and Spafford
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Back to the past!
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Toyota revolutionized manufacturing through
lean production
Meta-buzzword: Lean
Source: “The Toyota Way” by Jeffrey K. Liker
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1970’s - 90’s: Software Engineering rises to prominence
Meta-buzzword: Lean
Source: “To Agility and Beyond” by Peter Varyhol
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Buzzword: Waterfall
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Buzzword: Waterfall
Source: DOD-STD-2167
1985: U.S. Department of Defense adopts
software process
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1. Software requirements analysis
Buzzword: Waterfall
Source: DOD-STD-2167
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1. Software requirements analysis 2. Preliminary design
Buzzword: Waterfall
Source: DOD-STD-2167
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1. Software requirements analysis 2. Preliminary design 3. Detailed design
Buzzword: Waterfall
Source: DOD-STD-2167
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1. Software requirements analysis 2. Preliminary design 3. Detailed design 4. Coding and unit testing
Buzzword: Waterfall
Source: DOD-STD-2167
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1. Software requirements analysis 2. Preliminary design 3. Detailed design 4. Coding and unit testing 5. Computer Software Component
(CSC) integration and testing
Buzzword: Waterfall
Source: DOD-STD-2167
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1. Software requirements analysis 2. Preliminary design 3. Detailed design 4. Coding and unit testing 5. Computer Software Component
(CSC) integration and testing 6. Computer Software Component Interface
(CSCI) testing
Buzzword: Waterfall
Source: DOD-STD-2167
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Buzzword: SCRUM
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Buzzword: SCRUM
1995: Sutherland and Schwaber present
“The Scrum DevelopmentProcess”
Source: “Scrum Development Process” by Ken Schwaber
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“The development process is regarded as unpredictable
at the onset…” - Ken Schwaber
Buzzword: SCRUM
Source: “Scrum Development Process” by Ken Schwaber
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“…and control mechanisms are put in place to manage the
unpredictability” - Ken Schwaber
Buzzword: SCRUM
Source: “Scrum Development Process” by Ken Schwaber
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“Scrum also defined time-boxediterative development cycles
whose goal was to deliver working software”
- Peter Varyhol
Buzzword: SCRUM
Source: “To Agility and Beyond” by Peter Varyhol
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Buzzword: Agile
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1996: Extreme Programming project started
Buzzword: Agile
Source: extremeprogramming.org
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Buzzword: Agile
Source: “Writing the Agile Manifesto” by Martin Fowler
2000: Extreme Programming leaders meet in OR
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2001: Agile Manifesto Written
Buzzword: Agile
Source: “Writing the Agile Manifesto” by Martin Fowler
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“Our highest priority is to satisfy the customer through
early and continuous deliveryof valuable software”
Buzzword: Agile
Source: agilemanifesto.org/principles.html
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“Welcome changing requirements, even late in
development. Agile processes harness change for the
customer’s competitive advantage”
Buzzword: Agile
Source: agilemanifesto.org/principles.html
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“Working software is the primary measure of progress”
Buzzword: Agile
Source: agilemanifesto.org/principles.html
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Buzzword: DevOps
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2007: Patrick Debois is
working in IT - has to straddle the connection between dev and ops
Buzzword: DevOps
Source: “The History of Devops” by Damon Edwards
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2008: Patrick Debois presents “Agile Operation and Infrastructure: How
Infra-Agile Are You?”
Buzzword: DevOps
Source: “A Short History of DevOps” by Richard Rapaport
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“Development and Infrastructure would work in isolation and would
integrate just before the political deadline…There was no time
left to fix things”
Buzzword: DevOps
Source: “Agile Operations and Infrastructure” by Patrick Debois
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“Every sprint you would have a new working release and it would
constantly improve.”
Buzzword: DevOps
Source: “Agile Operations and Infrastructure” by Patrick Debois
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“The application went live… Every release they would improve
both the software and the infrastructure”
Buzzword: DevOps
Source: “Agile Operations and Infrastructure” by Patrick Debois
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• Layers of Agile Infrastructure
Buzzword: DevOps
Source: “Agile Operations and Infrastructure” by Patrick Debois
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• Layers of Agile Infrastructure • Technical
Buzzword: DevOps
Source: “Agile Operations and Infrastructure” by Patrick Debois
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• Layers of Agile Infrastructure • Technical • Project
Buzzword: DevOps
Source: “Agile Operations and Infrastructure” by Patrick Debois
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• Layers of Agile Infrastructure • Technical • Project • Operations
Buzzword: DevOps
Source: “Agile Operations and Infrastructure” by Patrick Debois
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2009: John Allspaw and
Paul Hammond present “10+ Deploys per Day,
Dev and Ops Cooperationat Flickr”
Buzzword: DevOps
Source: “A Short History of DevOps” by Richard Rapaport
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Ops: “It’s not my machines, it’s your code!”
Buzzword: DevOps
Source: “10+ Deploys per Day…” by John Allspaw and Paul Hammond
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Ops: “It’s not my machines, it’s your code!” Dev: “It’s not my code, it’s your machines!”
Buzzword: DevOps
Source: “10+ Deploys per Day…” by John Allspaw and Paul Hammond
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Ops and Dev have the same job
Buzzword: DevOps
Source: “10+ Deploys per Day…” by John Allspaw and Paul Hammond
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Ops and Dev have the same job
Enable the business to function
Buzzword: DevOps
Source: “10+ Deploys per Day…” by John Allspaw and Paul Hammond
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All businesses require change
Buzzword: DevOps
Source: “10+ Deploys per Day…” by John Allspaw and Paul Hammond
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All businesses require change
Change involves risk
Buzzword: DevOps
Source: “10+ Deploys per Day…” by John Allspaw and Paul Hammond
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Dev and Ops must own this risk through
culture and tools
Buzzword: DevOps
Source: “10+ Deploys per Day…” by John Allspaw and Paul Hammond
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“Tools will not help you if you install them and
still have an argumentativeculture going on”
Buzzword: DevOps
Source: “10+ Deploys per Day…” by John Allspaw and Paul Hammond
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2009: First DevOpsDays
held in Ghent, Belgium
Buzzword: DevOps
Source: “A Short History of DevOps” by Richard Rapaport
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2010: First DevOpsDays
held in USA
Buzzword: DevOps
Source: “A Short History of DevOps” by Richard Rapaport
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2010: #devops takes off on Twitter
Buzzword: DevOps
Source: “A Short History of DevOps” by Richard Rapaport
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2017: So much DevOps!
Buzzword: DevOps
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Buzzwords come and go
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The ideals of producing the best product
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In the most humane and engaging way
for employees
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Have stayed the same
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The implementationsof the ideals have evolved
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And will continue to evolve
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They must continue to be nurtured and
cultivated
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In business and beyond
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History carried the torch this far
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Now it’s your turn
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Carry the ideals onward
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Thank you
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Who Am I?
Nell Shamrell-HarringtonSr. Software Engineer at Chef
Core maintainer of Habitat and Supermarket open source projectsCo-host of Food Fight podcast
Any Questions?