From Dev/Ops to devops

Transcription

1 From Dev/Ops to devops

2 Kris Buytaert Patrick

3

4 There was this great IT company

5 Full of IT-professionals

6 But when a new release was at hand

7 Things changed DEVS OPS

8 please deploy this warfile now

9 we need more detail

10 just do it, it s important

11 we still need more info

12 I m superior! I m superior! Operations is so slow Devs don t know production We create real value We protect real value

13 And after a few rounds silence

14 The business was horrified

15 Dev/Ops

16 Dev/Ops

17 Why can t we just get along?

18 Infrastructure used to be hard(ware)

19 operations could only jump not fly

20 therefore operations avoided change

21 But then came virtualization

22 The cloud showed us how to scale

23 Infrastructure as code CFEngine Puppet Chef

24 # tomcat.pp class tomcat { Example tomcat recipe! package {!! "java sun-compat":!!! ensure => "installed";!! "tomcat6":!!! require => [Package["java sun-compat"], Package["ntc-tomcat-log4j"]],!!! ensure => "installed";!! "tomcat6-admin-webapps":!!! ensure => "installed";!! "log4j":!!! ensure => "installed";!! "tanukiwrapper":!!! ensure => "installed";!! "mysql-connector-java":!!! ensure => "installed";! }! file {!! "/etc/init.d/tomcat6": mode => "0755", owner => "root", group => "root", source => "puppet:///tomcat/tomcat6.init"; }! user {!! "tomcat":!!! ensure => "present",!!! require => Package["tomcat6"];! } }!

25 Agile Infrastructure

26 Rebuild from Scratch

27 Version control

28

29 Automate things

30 Controlled changes

31 It s more then just automation

32 use tests as brakes to allow you to go faster

33 Test deploy + rollback scenario s

34 Make things reproducible

35

36 Agile Sysadmin

37 Operations backlog

38 Planning Poker

39 Iterations vs flow

40 Pair system administration

41 Kanban board Backlog Todo(3) Test(2) Production(1)

42 OPS-OPS Problem Sysadmin Network Storage Security

43 But agile devs know all that

44 We all become developers now?

45 Devs can just ship a virtual machine?

46 Stop the rockstar mentality!

47 Don t fear for your job

48 All this automation will only help against some local pain

49 Let s turn the pain level up a notch

50 Continuous Integration If it s hard do it more often

51 Build Pipelines DEV TEST UAT PREPROD PROD

52 Make all environments the same DEV TEST PROD

53 Software only brings value in Production

54 Parallel Build Pipelines Software Build & Test Application Infrastructure Build & Test OS Level Data Build & Test Data

55 Synchronize your release cycles

56 Think Continuous Delivery

57 There are still a few problems to solve

58 How to package things

59 We all want our access

60 Debug logs!= Operational Logs

61 Focus on: Flow & Cycle Time

62 Value stream mapping

63 Minimize waste

64 Zero defect policy

65 Stop the line mentality

66 Fix things early in the process

67 We want Continuous Improvement

68 We need to overcome a bigger pain

69 We need to overcome the silos Development Operations

70 Current management styles Prince2, Agile, Scrum ITIL, Cobit, CMMI

71 focus on optimizing individual parts

72 Devs optimize their world view

73 Ops optimize their world view

74 Not In My Back Yard Syndrome

75 Causing technical debt

76 Like cron job fixes

77 Alfred Korzybski The map is not the territory

78 Systems Thinking

79 Understand it s a business problem

80 do the right thing vs the thing right

81 Collect Metrics Bugs Failed deploys Incidents Functionality not working Failure to deploy Problems in production

82 When to decide Project vs Incidents

83 Or functional vs non-functional requirements

84 Relate it to business value Bugs Failed deploys Incidents Value Added Market loss Value lost

85 Advise and Accept the business decision

86 Recap: No Silver Bullet

87 It s a jobtitle

88 Even though we have a different culture Software Hardware

89 We share the same customer

90 We try to solve the same business problem

91 Why only work together when things go wrong?

92 Managers are there to support you. Not to tell you what to do

93 It s not about the tools

94 It s a cultural shift

95 THE SECRET SAUCE OF THE DEVOPS: CAMS Culture Automation Measurement Sharing John Willis & Damon Edwards

96 Multiple levels have higher impact

97 Culture is hard, start with behavior Impact Culture Behavior Effort to Tools change

98 Become Awesome again

99 Interesting Books

100 Want to know more? #devops on twitter & irc devops googlegroup devops-toolchain googlegroup

101 What keeps you awake at night?

102

103 Inspired by Vampires (Programmers) versus Werewolves (Sysadmins) /08/vampires-programmers-versuswerewolves-sysadmins.html