Bluemix 로 접근하는 DevOps - Cognitive Cloud Connect

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IBM공진기차장

01

아젠다

What is DevOps?

02 THINK03 CODE

04 DELIVER

05 RUN

06 MANAGE07 LEARN

08 CULTURE

Cognitive Cloud ConnectDevOps_Cognitive Cloud Connect

THINK

LEARN

RUN

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DELIVER

CULTURE

MANAGE

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Cognitive Cloud ConnectDevOps_CognitiveCloud Connect

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도대체 DevOps 는무엇인가..

What is DevOps?

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DevOps 란?§ Development + Operations ?

§ 개발및운영문화의변경

§ 빠른개발, feedback 및적용

§ 자동화를통한비용 ↓, 시간 ↓, 오류 ↓, 효율성 ↑

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애자일방법론§ 빠른생명주기

§ 프로그램 vs. 문서

§ post Waterfall§ Scrum & sprint§ 방법론§ XP§ Pair programming

http://www.screenmedia.co.uk/blog/2014/08/what-is-agile-development-a-brief-introduction/

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Cognitive Cloud ConnectDevOps_CognitiveCloud Connect.

애자일, DevOpsBusiness Process

Ah ha! Ka ching!

Biz Dev Ops

Agile Developmentfixes this

DevOpsFixes this

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DevOps 어려운이유?§ 개발, 시스템과아키텍처에대한깊은이해필요

§ 높은구축비용

§ 유지보수문제§ 개발자의저항감

• 업무강도향상

• 문서 vs. test

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그래도 DevOps§ Legacy

• 대규모업데이트의영향최소화를위해새벽에배포

• 버그추적과전체롤백의어려움

• 문제점파악및해결에따른부서간반목

§ DevOps• 효율적인테스트및디버깅을위해업무시간중배포

• 문제발생시바로롤백, 수정및재배포

• 팀원간원할한소통과책임분배

• 빠른개발및적용

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IBM DevOps method

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Incrementally deliver awesome solutions

THINK

THINK

LEARN

RUN

{�}CODE

DELIVER

CULTURE

MANAGE

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Think§ IBM Design Thinking§ MVP - Minimum Viable Product

• 문서보다개발이빠르다?!

§ Issue tracking

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Issue 전달방법§ Legacy

• 구두

• 이메일

• Excel / Word

§ DevOps• Slack• Bugzilla• Redmine• JIRA• Trello• mantis

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Bluemix DevOps: Track & Plan§ 사실 Rational Team Concert§ Issue, 작업관리

• Defect(bug), task, story, epic etc..§ Code repository 연동

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Create innovative solutions fast

CODE

THINK

LEARN

RUN

{�}CODE

DELIVER

CULTURE

MANAGE

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Source Code Management (SCM)§ Version Control System

• CVS• Subversion

§ History management§ Branch§ 협업

Version Database

Central VCS Server

file

CheckoutComputer A

file

CheckoutComputer B

Version 3

Version 2

Version 1

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Distributed SCM§ 분산구조

• git• mercurial• bazaar

§ 각자 version control 가능• 쉬운 branch• 쉬운 commit

Version Database

Server Computer

Version 3

Version 2

Version 1

Computer A

Version Database

Version 3

Version 2

Version 1

file

Computer B

Version Database

Version 3

Version 2

Version 1

file

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In case of fire..§ Source 의안전

§ commit & push§ 불나면나가야합니다..§ npm install -g git-fire

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GitHub Enterprise by IBM§ GitHub Enterprise on Bluemix

Dedicated§ GitHub Issue§ Pull request

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Build, test and deploy

DELIVER

THINK

LEARN

RUN

{�}CODE

DELIVER

CULTURE

MANAGE

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Continuous Integration (CI)

https://insights.sei.cmu.edu/devops/2015/01/continuous-integration-in-devops-1.html

§ Test & Push & Test§ Test 자동화

• Unit test• Functional test• UX test

- Selenium- PhantomJS

§ Build & Deploy

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Continuous Delivery (CD)§ CI, CD

• Jenkins, Travis, UrbanCodeDeploy (IBM)§ Infrastructure 자동화

• Puppet, Ansiable, Chef§ Build / Environment

• Ant, Maven, Gradle, UrbanCodeRelease (IBM)• Fabric, npm

§ Shell scripts..

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자동화의장점§ 반복작업에의한오류감소

§ 작업의부담경감

§ 작업단위를줄여영향최소화§ Scale out 가능

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Bluemix DevOps: Build & Deploy

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Services, options, and capabilities to run solutions

RUN

THINK

LEARN

RUN

{�}CODE

DELIVER

CULTURE

MANAGE

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Cognitive Cloud ConnectDevOps_Cognitive Cloud Connect.

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산, 바다, 계곡 캠핑장 글램핑 호텔

사이트

데크

텐트

그릴

바비큐

맥주

사이트

데크

텐트

그릴

바비큐

맥주

사이트

데크

텐트

그릴

바비큐

맥주

사이트

데크

텐트

그릴

바비큐

맥주

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Infrastructure as a Service

Code

Data

Runtime

Middleware

OS

Virtualization

Servers

Storage

Networking

Code

Data

Runtime

Middleware

OS

Virtualization

Servers

Storage

Networking

Platform as a Service

Code

Data

Runtime

Middleware

OS

Virtualization

Servers

Storage

Networking

Code

Data

Runtime

Middleware

OS

Virtualization

Servers

Storage

Networking

Traditional IT Software as a Service

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Ensure operational excellence

MANAGE

THINK

LEARN

RUN

{�}CODE

DELIVER

CULTURE

MANAGE

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관리방법론 / 도구§ The Circuit Breaker pattern§ Auto scale§ Automated monitoring§ Fast recovery§ Resiliency§ Chaotic testing§ High availability

§ IBM AppScan§ Slack§ PagerDuty§ NewRelic§ Active Deploy§ Monitoring & Analytics

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Canary deployment,Zero down time deploy

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Active deploy

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Continuously experiment to deliver the right solution

LEARN

THINK

LEARN

RUN

{�}CODE

DELIVER

CULTURE

MANAGE

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사용자가원하는것?§ A/B Testing§ Hyphthesis-driven development§ 잘모르겠으면다구현해보고사용자의반응을보자

https://www.ibm.com/developerworks/library/d-testops-continuous-test/

Visitors arerandomly distributed

Best version: A

Conversion Rate34%57%

50% 50%

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Transform & innovate with speed

CULTURE

THINK

LEARN

RUN

{�}CODE

DELIVER

CULTURE

MANAGE

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How the customerexplained it

How the projectleader understood it

How the analystdesigned it

How the programmer

wrote it

How the business consultant described it

How the project was documented

What operationsinstalled

How the customerwas billed

How it wassupported

What the customerreally neededhttp://projectcartoon.com/

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개발과운영의간극§ 개발

• 아주빠른템포

• 문제가생기면밀고새로..• 새로운환경에익숙함

§ 운영• 느린템포

• 디비/앱은증분업데이트로

- 문제시롤백!• 권한관리가매우중요

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감사합니다

Internet

Bluemix 로 접근하는 DevOps - Cognitive Cloud Connect