A lecture on DevOps and useful tools and ideas.

1. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
DEVOPS DEMYSTIFIED
Muhammad Adil Raja
Pakistan
cbnd

2. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
OUTLINE
1 INTRODUCTION
2 DEVOPS TOOLS
3 DEVELOPMENT
4 CODE SCRIPTING
5 CONCLUSIONS

3. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
OUTLINE
1 INTRODUCTION
2 DEVOPS TOOLS
3 DEVELOPMENT
4 CODE SCRIPTING
5 CONCLUSIONS

4. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
OUTLINE
1 INTRODUCTION
2 DEVOPS TOOLS
3 DEVELOPMENT
4 CODE SCRIPTING
5 CONCLUSIONS

5. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
OUTLINE
1 INTRODUCTION
2 DEVOPS TOOLS
3 DEVELOPMENT
4 CODE SCRIPTING
5 CONCLUSIONS

6. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
OUTLINE
1 INTRODUCTION
2 DEVOPS TOOLS
3 DEVELOPMENT
4 CODE SCRIPTING
5 CONCLUSIONS

7. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
WHAT IS DEVOPS
Development and Operations teams collaborate to:
Continuous delivery.
Continuous integration.
Continuous testing.
...

8. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
DEVOPS TOOLS
Tool chains.
Version control.
Automation tools – Build, test, release, integration
automation.
Containers vs virtual machines.
Docker.

9. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
DOCKER I
A container.
LXC.
Supported by IDEs – Netbeans.
Can be used for version control.
Has been adopted by major cloud services like AWs
and Microsoft Azure.

10. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
DOCKER II
FIGURE: Virtual Machines vs Containers.

11. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
PROGRAMMING I
Specifications -> Design -> Code -> Test.
Design -> Skeleton Code.
easyUML.
Hand knitting.
Method implementation.

12. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
PROGRAMMING II
FIGURE: A simple schematic diagram of NUAV testbed.

13. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
PROGRAMMING III
FLY PLANE
public class MainClass {
public static void main ( ) {
Data data ;
int d ;
PlaneFlyer f l y e r =new PlaneFlyer ( ) ;
f l y e r . flyPlane ( data ) ;
processData ( data ) ;
saveData ( data ) ;
}
}
public class PlaneFlyer {
private int data , r o l l ;
private Data myData ;
public Data flyPlane ( Data data , int d ) {
data=d ;
d=25;
data . v e l o c i t y =vel ;
data . pitch = pitch ;
data . r o l l = r o l l ;
this . r o l l =data . r o l l ;
return data ;
}
}

14. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
ROCKET SCIENCE FOR DUMMIES
FIGURE: Plane orientations.

15. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
FLYPLANE() I
FLY PLANE
public void flyPlane ( Data data ) {
data . v e l o c i t y =vel ;
data . pitch = pitch ;
data . r o l l = r o l l ;
return true ;
}
FLY PLANE
public boolean flyPlane ( Data data ) {
i f ( data != null ) {
data . v e l o c i t y =vel ;
data . pitch = pitch ;
data . r o l l = r o l l ;
return true ;
}
else
return false ;
}

16. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
FLYPLANE() II
FLY PLANE
public boolean flyPlane ( Data data ) {
i f ( data != null ) {
i f ( data . velocity < c r i t i c a l _ v e l o c i t y ) {
data . t h r o t t l e +=0.01;
}
else {
data . t h r o t t l e −=0.01;
}
i f ( data . r o l l > c r i t i c a l _ r o l l )
this . adjustAilerons ( data ) ;
i f ( data . pitch > c r i t i c a l _ p i t c h )
this . adjustElevator ( data )
i f ( data . yaw> c r i t i c a l _ y a w )
this . adjustRudder ( data ) ;
return true ;
}
else
return false ;
}

17. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
FLYPLANE() III
FLY PLANE
public boolean flyPlane ( Data data ) {
i f ( data != null ) {
neuralNetwork ( data ) ;
sendDataToPlane ( data ) ;
return true ;
}
else
return false ;
}

18. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
ERRORS IN FLYPLANE()
Velocity North
Velocity East
VelocityDown
-1
0
-4
-3
-2
1
3
4
-1
0
1
2
-2
-3 -1
0
1
2
FIGURE: Errors in flyPlane().

19. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
SCRIPTING VS PROGRAMMING
Interpretation vs compilation.
Dynamically typed languages.
Python, PhP.
Scripting allows agile development.
Groovy.

20. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
GROOVY I
All Java code is valid Groovy code.
GroovyLab.
Groovy on Grails.
Compilation of groovy code.

21. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
GROOVY II
GROOVY CODE
class Student {
private int StudentID ;
private String StudentName ;
void setStudentID ( int pID ) {
StudentID = pID ;
}
void setStudentName ( String pName) {
StudentName = pName;
}
int getStudentID ( ) {
return this . StudentID ;
}
String getStudentName ( ) {
return this . StudentName ;
}
static void main ( String [ ] args ) {
Student st = new Student ( ) ;
st . setStudentID ( 1 ) ;
st . setStudentName ( " Joe " ) ;
p r i n t l n ( st . getStudentID ( ) ) ;
p r i n t l n ( st . getStudentName ( ) ) ;
}

22. DevOps
Demystified
Muhammad
Adil Raja
Introduction
DevOps
Tools
Development
Code
Scripting
Conclusions
THANK YOU!
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