Autoscaling event driven apps with fission & keda

1. Developer Advocate @ InfraCloud Technologies
www.infracloud.io
https://github.com/fission/fission
Gaurav Gahlot
https://www.linkedin.com/in/gauravgahlot
https://gauravgahlot.in/
Docker Community Leader (Pune)
https://events.docker.com/pune/
@_gauravgahlot
Let’s Connect

2. CTO & Founder @ InfraCloud Technologies
www.infracloud.io
Fission Maintainer
https://github.com/fission/fission
Vishal Biyani
https://www.linkedin.com/in/vishalbiyani
https://www.vishalbiyani.com
Kubernetes Pune Meetup Organizer
https://www.meetup.com/Kubernetes-Pune/
@vishal_biyani
Let’s Connect

3. Autoscaling Event Driven Applications
with &
June 2021
CNCF

4. Introducing Fission - Faas for Kubernetes
● Fast & Simple Functions for Kubernetes
● Kubernetes Native Serverless Framework
● You only write code - Docker & Kubernetes is abstracted for you
● Performance - 100ms Cold Start with warm pool
● Code can be built in the cluster
● Supports integration with various “event sources”

5. Fission - What can you do?
HTTP Cron MQ

6. Fission on GitHub: Star & Show You can Star &
show ❤ here
https://github.com/fission/fission
https://docs.fission.io/docs/ https://blog.fission.io

7. “Hello World” - Fission version
$ fission env create --name nodejs --image
fission/node-env
$ fission fn create --name hellojs --env nodejs --code
https://raw.githubusercontent.com/fission/fission/master
/examples/nodejs/hello.js
$ fission function test --name hello
Hello, world!

8. A event driven app!
request-topic
response-topic
error-topic
publisher

9. A event driven app!
request-topic
response-topic
error-topic
publisher

10. A event driven app!
request-topic
response-topic
error-topic
publisher

11. A event driven app! keda-connector
request-topic
response-topic
error-topic
publisher

12. Keda Connectors
kafka-http-connector
https://github.com/fission/keda-connectors

13. Keda Connectors
kafka-http-connector
https://github.com/fission/keda-connectors

14. Keda Connectors
kafka-http-connector
https://github.com/fission/keda-connectors

15. Keda Connectors
https://github.com/fission/keda-connectors
● kafka-http-connector
● aws-sqs-http-connector
● rabbitmq-http-connector
● aws-kinesis-http-connector
● nats-http-connector
● gcp-pub-sub-http-connector
You can Star &
show ❤ here

16. A event driven app! keda-connector
request-topic
response-topic
error-topic
publisher

17. A event driven app! keda-connector
1
2
3
4
5 6
7
https://github.com/fission/examples/tree/master/samples/keda-kafka-rabbitmq
request-topic
response-topic
error-topic
publisher

18. ● 6 functions covering
○ A function for UI
○ Function for MQT
○ Reading/Writing to DB
○ Multiple Languages
Another example (Try on your own)
https://github.com/fission/fission-kafka-sample

19. Contributing

20. Start open source contribution journey
Start here https://docs.fission.io/docs/contributing
Ask Questions on Slack
Work with a friendly and helpful community

21. http://botkube.io/
https://github.com/infracloudio/botkube

22. Questions?

23. ありがとうございました！
ਤੁਹਾਡਾ ਧੰਨਵਾਦ!
நன்றி!
ధన్యవాదాలు!
നന്ദി!
THANK YOU!
આભાર!
ধন্যবাদ!
Dank je!
Kiitos!
धन्यवाद!
Grazie!
Je vous remercie!