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Orchestrating Cloud Events - Knative Meetup 2020

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2020 September
for more information visit: http://salaboy.com and
https://github.com/salaboy/orchestrating-cloud-events/

Publicada em: Software
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Orchestrating Cloud Events - Knative Meetup 2020

  1. 1. 1 Orchestrating Cloud Events KNative Meetup - Sept 2020
  2. 2. 2 @Salaboy Mauricio Salatino http://salaboy.com @Camunda / @ZeebeHQ / @LearnK8s
  3. 3. 3 Disclaimer Live, Remote, WebSockets, Kubernetes, Knative, Cloud Events, Docker, Java, WiFi, my laptop, what can possibly go wrong?
  4. 4. 4 Tickets Website Instructions/Source Code: https://github.com/salaboy/orchestrating-cloud-events/
  5. 5. 5 Event Driven Approach
  6. 6. 6 Tickets Website Architecture
  7. 7. 7 Knative Serving Knative Eventing Universal subscrip/on, delivery, and management of events. Run serverless containers on Kubernetes with ease, Kna/ve takes care of the details of networking, autoscaling (even to zero), and revision tracking.
  8. 8. 8 Tickets Website (Knative) > kubectl get channel > kubectl get broker > kubectl get triggers
  9. 9. 9 Broker + Triggers
  10. 10. 10 ➡The sequence of events maCers ➡How do you deal with changes in this sequence? ➡It is hard to see where things are at a given /me ➡It is hard to figure out what to do when things go wrong Visibility/Changes?
  11. 11. 11 Knative Flow Sequence apiVersion: flows.knative.dev/v1 kind: Sequence metadata: name: sequence spec: channelTemplate: apiVersion: messaging.knative.dev/v1 kind: InMemoryChannel steps: - ref: apiVersion: serving.knative.dev/v1 kind: Service name: first - ref: apiVersion: serving.knative.dev/v1 kind: Service name: second - ref: apiVersion: serving.knative.dev/v1 kind: Service name: third
  12. 12. 12 Knative Flow Parallel apiVersion: flows.knative.dev/v1 kind: Parallel metadata: name: odd-even-parallel spec: channelTemplate: apiVersion: messaging.knative.dev/v1 kind: InMemoryChannel branches: - filter: ref: apiVersion: serving.knative.dev/v1 kind: Service name: even-filter subscriber: ref: apiVersion: serving.knative.dev/v1 kind: Service name: even-transformer - filter: ref: apiVersion: serving.knative.dev/v1 kind: Service name: odd-filter subscriber: ref: apiVersion: serving.knative.dev/v1 kind: Service name: odd-transformer reply: ref: apiVersion: serving.knative.dev/v1 kind: Service name: event-display
  13. 13. 13 Zeebe Workflow Engine • Microservices and Events Orchestration •Available as •SaaS (console.cloud.camunda.io) •On-Prem (helm.zeebe.io)@ZeebeHQ http://zeebe.io
  14. 14. 14 Tickets Website (Knative + Zeebe)
  15. 15. 15 Version 1: Understand
  16. 16. 16 Tickets Website (Knative + Zeebe)
  17. 17. 17 Triggers + Broker + Event Router
  18. 18. 18 Version 2: Decorate/Enhance
  19. 19. 19 Event Router + Broker + Trigger
  20. 20. 20 Version 3: Workflow Orchestration
  21. 21. 21 Version 3: Workflow Orchestration
  22. 22. 22 Zeebe Operator
  23. 23. 23 Next Steps • Templated channels creation on deploy • Demo with Human Interactions • Separate WebSocket component using STOMP, probably look into RSocket @ZeebeHQ http://zeebe.io
  24. 24. 24 Questions? https://github.com/salaboy/orchestrating-cloud-events/ @Salaboy

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