Modelling Devops & Seeing the system
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Transcript of Modelling Devops & Seeing the system
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Modelling
Devops
http://farm6.staticflickr.com/5291/5540608712_a041894564_z.jpg
@patrickdeboishttp://jedi.be/blog
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This presentation๏Devops ‘Models’ in the wild
๏Seeing the system๏‘Monitoring Stream Mapping Technique’๏Observations
๏Focus on Flow๏Identifying 4 areas of improvement๏Example practices
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models to explain devops
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DEV OPS
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Paul Peisner
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http://dev2ops.org/2012/09/use-devops-to-turn-it-into-a-strategic-weapon/
Damon Edwards
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https://cacoo.com/diagrams/uapwdcN6SDfwClDY-351A0.png
Mathias Marschall
An emerging set of practices
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http://www.slideshare.net/dev2ops/you-cant-change-culture-but-you-can-change-behavior-and-behavior-becomes-culture
GeneKim
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1. “Seeing”the System
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Value Stream Mapping
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“Monitoring”Stream Mapping
aka Reverse Value Stream Mapping
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• Cross-Silo Group exercise
• (both dev, test, ops ...)
• Use a big wall
• preferred near their officespace
• preferred permanent
• Whiteboard/Long Paper for drawing
• Post-it with different colors
Exercise Preparation
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ProductionDraw 4 quadrantsStart upper right
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ProductionPut all production
components on the board
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ProductionEach component =
1 post-it
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Production
Components (architecture)
Put all production
components on the board
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“I don’t know”can be a great conversation
starter
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Production
Components (architecture)
External
Add components outside your control your team depends
outside your company (like cloud services)
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Production
Components (architecture)
External
Add components outside your control
your team depends on inside your company(like firewall, dns, mail,
ldap)
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Production
Components (architecture)
Supportive
Add the supportive components
(backup, monitoring...)
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Production
Components (architecture)
Explain how these components interact
(architecture)
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Production
Components (architecture)
Explainhow you know they are working correctly
“monitoring”
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Production
EndUserComponents (architecture)
Add ‘core’ functionalities you’re providing to the
end-user
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Production
EndUserComponents (architecture)
Map the functionalities to your components
(is your monitoring covering all components?)
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Production
People (process)
EndUserComponents (architecture)
Now repeat the processfor people/groupsinvolved in support
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Production
People (process)
EndUserComponents (architecture)
Add all groups/people involved for support
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Production
People (process)
EndUserComponents (architecture)
External
Add all externalgroups/people involved
for support
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Production
People (process)
EndUserComponents (architecture)
Supportive
Add all supportivegroups/people involved
for support
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Production
People (process)
EndUserComponents (architecture)
Explain how these people interact
(process)
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Production
People (process)
EndUserComponents (architecture)
How do you the process is working well?
(KPI’s)
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Production
People (process)
EndUserComponents (architecture)
Relate the people/groups
to each of the components(who get alerts)
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Production
Components (architecture)People (process)
EndUser
Add the enduser support
services you offer
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Production
Components (architecture)People (process)
EndUser
Relate enduser supportto the process and
to the components to the functionalities
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“To fix something we know we have to
go through development
process”
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Production
Components (architecture)People (process)
EndUserBusiness
Enter Project Mode
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Production
Components (architecture)People (process)
EndUserBusiness
Repeat mappingfor people/process
initiate improvements in production
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Production
Components (architecture)People (process)
EndUserBusiness
Repeat mappingfor people/process
initiate improvements in production
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Production
Components (architecture)People (process)
EndUserBusiness
Repeat mappingfor people/process
initiate improvements in production
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Production
Components (architecture)People (process)
EndUserBusiness
Repeat mappingfor people/process
initiate improvements in production
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Production
Components (architecture)People (process)
EndUserBusiness
Repeat mappingfor people/process
initiate improvements in production
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Production
Components (architecture)People (process)
EndUserBusiness
Repeat mappingfor people/process
initiate improvements in production
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
Repeat mapping for
dev/test components
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
Repeat mapping for
dev/test components
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
Repeat mapping for
dev/test components
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
Repeat mapping for
dev/test components
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
Repeat mapping for
dev/test components
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
“Seeing the devops system”
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a first step ofevolving
“commonground”
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Some Observations
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
More maturepeople consider
dev/test/qa as part of production
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
More maturedev/test/qa/prod
components are the same
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
More mature= Less ????
about end-user functionalities
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
More mature= > monitoring/
support for external/cloud
services
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2. Focus on Flow
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
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Remove friction
http://philippe.kruchten.com/2013/11/24/friction/
“Friction: the resistance that one surface or object encounters when moving over another.” [Merriam-Webster dict.]
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
Find your bottleneck(s) = friction
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
Technical Debt
Social Debt
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OPSDEV
http://www.jedi.be/blog/2012/05/12/codifying-devops-area-practices/
4 areas of improvement
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OPSDEV
Area 1: Extend delivery to production
http://www.jedi.be/blog/2012/05/12/codifying-devops-area-practices/
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OPSDEV
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
http://www.jedi.be/blog/2012/05/12/codifying-devops-area-practices/
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OPSDEV
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
http://www.jedi.be/blog/2012/05/12/codifying-devops-area-practices/
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OPSDEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
http://www.jedi.be/blog/2012/05/12/codifying-devops-area-practices/
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Tools Can you ‘technically’ do it
Process Should you do it
People(culture)
Will you do it
“Layers per Area”
Think ‘tags’ of things you do in an area
Area X
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“Area Maturity Level”a way to quantify
your progress
http://groups.google.com/group/devops/browse_frm/thread/f3de603a4cea493e?scoring=d&
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Initial Unpredictable poorly controlled and reactive
Managed Focused on project, often and reactive
Defined Focused on organization and proactive
Quantitatively Managed Measured and controlled
Optimizing Focus on Improvement
CMMI - Maturity Levels (Process centric)
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Intro Using Source Control ...
Novice Builds Triggered by Commit ...
Intermediate Automated Deployment to Testing ...
Advanced Automated Functional Testing ...
Insane Continuous Deployment to Prod ...
Alternative Maturity Levels(cfr. Continuous Integration Model)
http://blogs.urbancode.com/continuous-integration/continuous-integration-maturity-model/
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Name AreaAreaAreaArea
Provision dev/test and prod from the same src
DEVDEV delivery to ProdEmbed Project
knowledgeProvision dev/test and prod from the same src Embed Operations
knowledgeEmbed Operations
knowledgefeedback from Prod OPS
Tools IntroLayer Level
Practice: Use a configuration mangement system like chef/puppet to provision dev,test and prod from the same source
Pattern: Automation, reuse of code
Principles: By reusing the code it gets tested more && often more frequent/earlier feedback
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Production
Components (architecture)People (process)
Dev, Test, QA
EndUserBusiness
Different places where we can improve
http://devopsdays.org/blog/2010/05/16/the-panel-experiment-and-ignite-devops/
Andrew Schaefer
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Some examplepractices
always understand the context before applying
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http://www.jedi.be/blog/2013/05/24/Infrastructure%20as%20Code/
cfengine, puppetchef, ansible, salt, ...
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Infrastructure as code
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http://www.jedi.be/blog/2013/05/24/Infrastructure%20as%20Code/
cfengine, puppetchef, ansible, salt, ...
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Infrastructure as code
Using same technologyversioning/testing/...
![Page 74: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/74.jpg)
http://www.jedi.be/blog/2013/05/24/Infrastructure%20as%20Code/
cfengine, puppetchef, ansible, salt, ...
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Infrastructure as code
Using same technologyversioning/testing/...
Executable ‘documentation’
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http://www.jedi.be/blog/2013/05/24/Infrastructure%20as%20Code/
cfengine, puppetchef, ansible, salt, ...
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Infrastructure as code
Using same technologyversioning/testing/...
Executable ‘documentation’
Common language
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OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
http://www.hashicorp.com/
Reproduceableenvironments
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OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
http://www.hashicorp.com/
Reproduceableenvironments
Dev/Test machines are using the same setup as
Production
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OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
http://www.hashicorp.com/
Reproduceableenvironments
Dev/Test machines are using the same setup as
Production
When your app requires changes on the system you can try them and change them ourself
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OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
http://www.hashicorp.com/
Reproduceableenvironments
Dev/Test machines are using the same setup as
Production
When your app requires changes on the system you can try them and change them ourself
Ops can propagateproduction changes to
dev easily
![Page 80: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/80.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Monitoring & Metrics
#monitoring{love,sucks}
![Page 81: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/81.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Monitoring & Metrics
#monitoring{love,sucks}
Enable devs to see the production usage/
problems(graphite)
![Page 82: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/82.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Monitoring & Metrics
#monitoring{love,sucks}
Enable devs to see the production usage/
problems(graphite)
Devs can add metrics in their code(Statsd)
![Page 83: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/83.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Monitoring & Metrics
#monitoring{love,sucks}
Enable devs to see the production usage/
problems(graphite)
Devs can add metrics in their code(Statsd)
Make non-subjectivedecisions at the start of
the project
![Page 84: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/84.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into OperationsDevelopers
wearing pagers
![Page 85: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/85.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into OperationsDevelopers
wearing pagers
Devs you have run operations learn and
take it back to project
![Page 86: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/86.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into OperationsDevelopers
wearing pagers
Devs you have run operations learn and
take it back to project
Devs know the app better and can teach/
train operations people
![Page 87: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/87.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into OperationsDevelopers
wearing pagers
Devs you have run operations learn and
take it back to project
Devs know the app better and can teach/
train operations people
Better Tests to preventproduction problems/
pain
![Page 88: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/88.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
https://github.com/Netflix/SimianArmy
![Page 89: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/89.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
https://github.com/Netflix/SimianArmy
Experience problemsearlier in the pipeline
(less costly)
![Page 90: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/90.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
![Page 91: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/91.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Visualize frequency of production errors and enable extraction of
‘context’
![Page 92: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/92.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
https://speakerdeck.com/jnewland/chatops-at-github
![Page 93: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/93.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
https://speakerdeck.com/jnewland/chatops-at-github
Shared view on the system events
![Page 94: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/94.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
(Public)Post-Mortems
![Page 95: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/95.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Objective viewon problems
(think retrospective)
(Public)Post-Mortems
![Page 96: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/96.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Game Days
http://www.youtube.com/watch?v=LCZT_Q3z520&noredirect=1
![Page 97: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/97.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
Find bottlenecks in procedures/technology
Game Days
http://www.youtube.com/watch?v=LCZT_Q3z520&noredirect=1
![Page 98: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/98.jpg)
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
SadOps
http://github.com/railsmachine/sadops
![Page 99: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/99.jpg)
Training through simulation
OPS DEV
Area 4: Embed Operations knowledge into Project
Area 2: Extend operations feedback to project
Area 1: Extend delivery to production
Area 3: Embed Projectknowledge into Operations
SadOps
http://github.com/railsmachine/sadops
![Page 100: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/100.jpg)
“You build ityou run it”
Amazon
![Page 101: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/101.jpg)
DEVOPS
![Page 102: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/102.jpg)
3. Find Feedback loops
![Page 103: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/103.jpg)
Caveat: DifferentiateSymptoms vs real cause
![Page 104: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/104.jpg)
Your bottleneck will move
![Page 105: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/105.jpg)
is it even in Dev & Ops ?
MGMT FIN SALESHR
Business CustomerOPSDEV
![Page 106: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/106.jpg)
Beware of the DEVOPS WIZARDSthat don’t know your context
![Page 107: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/107.jpg)
![Page 108: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/108.jpg)
Devops is not just about tools
or automation
Understanding the systemneeds to be done together
Takeways
Everbody should care about the whole system
![Page 109: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/109.jpg)
4. Look forContinuous
Improvement
![Page 110: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/110.jpg)
Places to look for ideas
![Page 111: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/111.jpg)
Places to look for ideas (2)
![Page 112: Modelling Devops & Seeing the system](https://reader034.fdocuments.in/reader034/viewer/2022042623/54b6ce004a7959b5318b460b/html5/thumbnails/112.jpg)
?