Camel Day Italia 2021 - Camel K
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Slide su Camel K mostrate durante l'evento Camel Day Italia 2021.
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Camel Day Italia 2021 - Camel K
- 1. CAMEL DAY ITALIA 2021 CAMEL K Nicola Ferraro - Principal Software Engineer @ Red Hat Luca Burgazzoli - Principal Architect @ Red Hat
- 2. About us 2 Luca Burgazzoli Principal Architect at Red Hat Twitter: @lburgazzoli We work on: - Apache Camel and Camel K - Red Hat Integration - Knative Contrib Nicola Ferraro Principal Software Engineer at Red Hat Twitter: @ni_ferraro
- 3. Agenda â Intro â Camel K â Camel K and Knative â Demo â Current developments
- 4. INTRO
- 5. ⊠when youâre free to play! We all love microservices! Kubernetes is so fun! Software development is fun⊠My App Letâs do it serverless! We are the best team in the world!
- 6. But then you realize... ⊠that youâre not alone in the world! My App
- 7. You need to solve a lot of problems: â Different communication models (e.g. sync / async) â Different protocols or messaging systems â Different languages or technologies â Different business domains â Different data access patterns â ⊠â What if your app is unavailable? â How do we manage consistency? Even with only two systems... My App Your App I WAS A SHEEP RANCHER BEFORE I WORKED HERE â Different life philosophy â Inability to change the other side â ...
- 8. Apache Camel K can set you free! My App Your App from(âpulsar://company/nsx/topic1â) .unmarshal().json() .transform().simple(â${body[data]}â) .to(âknative:event/activityâ) from(âknative:event/producedâ) .pollEnrich() .simple(âaws2-s3://mybucket/files/${header.Ce-File}â) .to(âkafka:ext-topicâ) Party Area (Free lunch zone Âź)
- 9. Encapsulate complexity into an âIntegrationâ from(âpulsar://company/nsx/topic1â) .unmarshal().json() .transform().simple(â${body[data]}â) .to(âknative:event/activityâ) Apache Camel DSL (routes.groovy) My App Kubernetes Kubernetes custom resource 300+ components!
- 10. Camel K as an architectural component Platform Kubernetes App App App â Ingress â Egress â Transformations â Persistence â Integration Patterns â ...
- 11. CAMEL K
- 12. â https://github.com/apache/camel-k â A lightweight platform for running integrations on Openshift and Kubernetes â Reached version 1.3.0 on December 28, 2020 What is Apache Camel K? A lightweight integration platform, born on Kubernetes, with serverless superpowers
- 13. Camel K for Developers Create integration file from(âknative:channel/xxxxâ) .transform()... .to(âkafka:topicâ) 1 EXECUTE CLI Tools $ kamel run integration.java 2 RUNNING Serverlesson OpenShift/Kubernetes 3
- 14. Camel K Architecture Knative Kubernetes/OpenShift Camel K Operator DEVELOPER Serverless Function/Application Pod Serverless Function/Application Pod Serverless Function/Application Pod Tailored for cloud-native development experience. â Live coding on cloud â Built-in dependency management â Rapid deployment, incremental updates â Automate cloud resource generation â Highly customizable Integration Custom Resource LIVE UPDATE!!
- 15. Code Driven Serverless from(âplatform-http:/messagesâ) .process(new YourBusinessLogic()) .to(âknative:channel/wordsâ) Knative Service CronJob Service Route Ingress ServiceMonitor Deployment ConfigMap Secret camel-core camel-jackson camel-timer camel-aws-s3 camel-sql camel-knative camel-platform-http Container Images JVM Master GC Runtime Readiness Liveness Channels Brokers
- 16. Developer Tooling â Work on VSCode and Eclipse Che â Auto-completion (LSP based) and error highlighting â Manage lifecycle of integrations â Inspect status and logs â Actively developed with tech-marketing feedback â Improved âkamelâ CLI
- 18. Camel K loves Knative A lightweight integration platform, born on Kubernetes, with serverless superpowers Not the official logo, but we like it! Camel K can also live without Knative, but it doesnât want to ;)
- 19. Knative Knative Serving Knative Eventing Auto-scaling and scale-to-zero Messaging for event-based applications
- 20. Knative Service POD Scale Down to Zero Request Initiate and Start Scale Up with Load Knative Serving Request Request Request Request POD POD POD POD
- 21. Knative Service POD rest().post(â/pathâ) .to(âxx:system1â) .to(âxx:system2â) 300+ components! System 1 System 2 Request Request Request Request POD POD POD POD Scale Up with Load Knative Serving with Camel K
- 22. Knative Eventing Event Source kn source kn source create kn source list kn source list-types Broker New Event Trigger kn trigger Kn trigger create kn trigger delete kn trigger list kn broker Kn broker create kn broker delete kn broker list Provider kn service kn service create kn service delete kn service describe kn service list kn service update Event Providers Infrastructure New Customer created event Email service Log service Loyalty points service Trigger Trigger New Event New Event FEW Providers
- 23. Knative Eventing with Camel K Event Source Broker New Event Camel K Provider Event Providers Infrastructure New Customer created event Email service Log service Loyalty points service New Event New Event 300+ components! Camel K 300+ components! kamel run kamel list kamel delete kamel run kamel list kamel delete kn trigger Kn trigger create kn trigger delete kn trigger list Trigger
- 24. DEMO
- 25. Demo Camel Sources and Sinks in an event mesh Code: https://github.com/nicolaferraro/camel-k-example-knative/tree/demo-2021
- 26. Demo
- 28. POD Quarkus Currently, integrations can run on Quarkus in JVM mode: POD POD from(âknative:event/producedâ) .pollEnrich() .simple(âaws2-s3://mybucket/files/${header.Ce-File}â) .to(âkafka:ext-topicâ) The future is native, with no changes in ux, and much better performance! Have you heard about GraalVM and Mandrel? https://github.com/apache/camel-quarkus
- 29. Kamelets Meaning: Kamel route snippets Non-camel users ïŹnd it difïŹcult to write Camel DSL, they just want to leverage it. ⊠⊠⊠⊠1. Pick one 2. ConïŹgure parameters 3. Choose destination query=quarkus token=... Kamelets have many more use cases outside Knative: â Camel Kafka Connect â Visual Tools for Camel K development Kamelet Catalog (Kubernetes Objects) Native on OpenShift 4.7 Console + create your own Kamelet
- 30. Testing software using BDD style. Now part of citrusframework.org. Same structure of Camel K (CLI + operator) To run the test: yaks test gateway.feature https://github.com/citrusframework/yaks Feature: API Gateway Works Background: Given URL: https://myservice/api/films Scenario: Get a result from API When send GET / Then receive HTTP 200 OK YAKS
- 31. Other important future developments â Webhooks: reduce the amount of components that need an âalways onâ pod â Keda: autoscaling not only limited to http workloads
- 32. Want to learn more about Camel K? OfïŹcial doc: https://camel.apache.org/camel-k/ Kubernetes enterprise integration patterns with Camel-K | DevNation Tech Talk https://developers.redhat.com/videos/youtube/51x9BewGCYA/ By Nicola Ferraro and Luca Burgazzoli Event-driven serverless applications with Camel K | DevNation Tech Talk https://developers.redhat.com/devnation/tech-talks/serverless-apps-camelk By Nicola Ferraro and Luca Burgazzoli
- 33. Thank you! https://github.com/apache/camel-k Follow us on Twitter: @ni_ferraro @lburgazzoli