Short answer: YES For more info: https://github.com/salaboy/jhipster-operator and http://salaboy.com

1. 1
Do we need a JHipster Kubernetes
Operator?
https://github.com/salaboy/jhipster-operator

2. 2
About me
Mauricio Salatino: salaboy.com / @salaboy
Kubernetes-Addict in rehab,
Activiti Cloud Creator/Designer,
Spring Cloud Contributor,
Jenkins X Contributor,
JHipster Fan!

3. 3
Instructor at http://learnk8s.io

4. 4
Kubernetes Maturity Waves
The Journey is longer than we all though
R u n n i n g E x t e n d i n g C o n t r o l l e r s
& O p e r a t o r s

5. 5
Running
We need to get things running first
W r a p p i n g o u r L e g a c y U n d e r s t a n d i n g K 8 s
C o n c e p t s
A r c h i t e c t i n g f o r K 8 s

6. 6
JHipster + Spring Cloud

7. 7
JHipster + Spring Cloud
app.jdl

8. 8
On K8s, How?
> jhipster kubernetes
> jhipster kubernetes-helm
G e n e r a t i n g K 8 s
M a n i f e s t s
H E L M

9. 9
JHipster Flow

10. 10
(Quick Note)On K8s, Where?
Remote / Local ?
C l o u d P r o v i d e r s M i n i k u b e KIND

11. 11
Extending
We want K8s to understand about JHipster Specifics
D e f i n i n g o u r
o w n C o n c e p t s / R e s o u r c e s
C R D s L i n k i n g o u t C R D s t o
K 8 s R e s o u r c e s

12. 12
Extending
Some examples
I s t i o K n a t i v e J e n k i n s X

13. 13
Operators
C o n t r o l / M o n i t o r R e c o n c i l e I n t e g r a t e
“An Operator is a Controller that uses CRDs (Custom Resource Defini8ons) to
encapsulate opera8onal knowledge for a specific applica8on..”
“A Controller ac8vely monitor and maintains a set of Kubernetes resources
in a desired state.”

14. 14
JHipster Operator
https://github.com/salaboy/jhipster-operator
• Understand JHipster Applications (root resource)
• And Modules (Gateway, MicroServices, Registry..)
• It makes K8s aware of these concepts
• Understand the app topology
• Understand how things are wired together
• Understand and validate the Applications State as a
whole
• Can provide hierarchical routing
• Can provide advanced lifecycle management
• Versioning
• Advanced Dynamic Routing

15. 15
Let’s see some code/
yaml!
https://github.com/salaboy/jhipster-operator

16. 16
Operators Maturity Model

17. 17
o(Future)JHipster Operator

18. 18
Questions?
https://github.com/salaboy/jhipster-operator