Immutable infrastructure with Boxfuse

•

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We often employ the "build-once-run-everywhere" principle to our application binaries. Our build server builds an artifact and puts it in a repository, this same artifact is then promoted from environment to environment, from test to production, to make sure that what ends up in production is the very same thing as what we have thoroughly tested before. Now, in a world of virtualization, what if we were to do the same thing with our complete infrastructure? In stead of just building our application and promote it from environment to environment, what if we would build a complete virtual machine image and do the same with that? Could we? This is what immutable infrastructure is about. Boxfuse can help you get there.

Software

Immutable
infrastructure
with Boxfuse
Lars Östling
lars.ostling@jayway.com
@larsostling

Agenda
• Immutable infrastructure
• Boxfuse
• Conclusions

Back in the day…
• Big up-front design
• Long development cycles
• Scary updates

In an agile world…
• Short iterations
• Continuous integration /
delivery / deployment
• Delivery pipe-lines
• We do it for code …
• … what about our
infrastructure?

The software stack
• App - Your code
• App server - Tomcat
• Runtime - JVM
• Libraries - glibc …
• OS Kernel - Linux

What could possibly
go wrong?
• Missing libraries
• Incompatible versions
• Incorrect permissions
• Occupied resources
• … and so on

Immutable infrastructure
DEV TEST PROD
Machine
Image
Machine
Image
Machine
Image

What is Boxfuse?
• Tool for implementing
immutable infrastructure
• Available since April 2015
• Founded by Axel Fontaine
(creator of Flyway)
• https://www.boxfuse.com

Demo
https://github.com/larsostling/
immutable-infrastructure-demo

What does it do?
• Analyzes your Java
application
• Creates the smallest
possible machine image
• Handles deployment to
VirtualBox and AWS

Supported
configurations
• Tomcat / WAR
• Dropwizard
• Spring Boot
• Executable jars

Supported
environments
• Development - VirtualBox
• Test - AWS
• Production - AWS

Image features
• Immutable
• Secure by design
• Manageable in size
SSH

Configuration?
• Keep it to a minimum
• Embed in application
• Use environment variables for
the rest

Database?
• Keep persistent state out of
the image
• Hosted solutions like Amazon
RDS, Goole Cloud SQL …
• Migrate at application startup
(Flyway, Liquibase …)

Logs?
• View console with ‘boxfuse
logs’
• Ship logs to a central server
• Hosted solutions like Loggly,
Logentries, Papertrail …

Boxfuse vs. Docker
• Virtualization vs.
containerization
• Single-purpose vs. multi-
purpose
• Smaller images
• Super-easy and ready to go!

Summary
• Create a single immutable
unit
• Regenerate after every
change
• Promote unchanged from
environment to environment
• Do with your infrastructure
what you have been doing
with your apps

Lessons learned
• Immutable infrastructure is
here to stay
• Boxfuse is a good place to
start

Thanks!
Lars Östling
lars.ostling@jayway.com
@larsostling

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Modeling languages are generally applied for developing systems and software – both internally, with domain-specific languages, and with standardized languages targeting a general purpose and a wide audience. Way too often these languages are weakly created and defined leading to poor quality: Language definitions tend to contain errors and inconsistencies; notations do not recognize the communication and problem-solving needs of humans; standardization organizations push exchange formats that do not fully work and offer certificates that do not measure mastery of the language. We describe common problems in language development and point them out with examples from known cases. To overcome these problems, we suggest several solutions to improve language development, including using modeling languages specifically designed to define modeling languages, continuous testing and prototyping, and keeping language users in the loop.

What Goes Wrong with Language Definitions and How to Improve the Situation

Juha-Pekka Tolvanen

Immutable infrastructure with Boxfuse

1. Immutable infrastructure with Boxfuse Lars Östling lars.ostling@jayway.com @larsostling

2. Agenda • Immutable infrastructure • Boxfuse • Conclusions

3. Back in the day… • Big up-front design • Long development cycles • Scary updates

4. In an agile world… • Short iterations • Continuous integration / delivery / deployment • Delivery pipe-lines • We do it for code … • … what about our infrastructure?

5. The software stack • App - Your code • App server - Tomcat • Runtime - JVM • Libraries - glibc … • OS Kernel - Linux

6. Multiple environments

7. What could possibly go wrong? • Missing libraries • Incompatible versions • Incorrect permissions • Occupied resources • … and so on

8. The solution

9. Immutable infrastructure DEV TEST PROD Machine Image Machine Image Machine Image

10.

11. What is Boxfuse? • Tool for implementing immutable infrastructure • Available since April 2015 • Founded by Axel Fontaine (creator of Flyway) • https://www.boxfuse.com

12. Demo https://github.com/larsostling/ immutable-infrastructure-demo

13. What does it do? • Analyzes your Java application • Creates the smallest possible machine image • Handles deployment to VirtualBox and AWS

14. How does it do it?

15. Commands

16. Supported configurations • Tomcat / WAR • Dropwizard • Spring Boot • Executable jars

17. Supported environments • Development - VirtualBox • Test - AWS • Production - AWS

18. Image features • Immutable • Secure by design • Manageable in size SSH

19. Configuration? • Keep it to a minimum • Embed in application • Use environment variables for the rest

20. Database? • Keep persistent state out of the image • Hosted solutions like Amazon RDS, Goole Cloud SQL … • Migrate at application startup (Flyway, Liquibase …)

21. Logs? • View console with ‘boxfuse logs’ • Ship logs to a central server • Hosted solutions like Loggly, Logentries, Papertrail …

22. Boxfuse vs. Docker • Virtualization vs. containerization • Single-purpose vs. multi- purpose • Smaller images • Super-easy and ready to go!

23. Summary • Create a single immutable unit • Regenerate after every change • Promote unchanged from environment to environment • Do with your infrastructure what you have been doing with your apps

24. Lessons learned • Immutable infrastructure is here to stay • Boxfuse is a good place to start

25. Q & A

26. Thanks! Lars Östling lars.ostling@jayway.com @larsostling

Immutable infrastructure with Boxfuse

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