Chicago Microservices Integration Talk
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This document discusses integration in the age of DevOps. It describes how microservices help solve the problem of decoupling services and teams to move quickly at scale. Apache Camel is presented as a solution for integration that allows for reliable and distributed integration through mechanisms like messaging. Kubernetes and Docker are discussed as platforms that help develop and run microservices locally and at scale by providing automation, configuration, isolation and service discovery capabilities.
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Chicago Microservices Integration Talk
- 1. Integration in the age of DevOps 5/11/16 Christian Posta @christianposta
- 2. Christian Posta Principal Middleware Specialist/Architect Twitter: @christianposta Blog: http://blog.christianposta.com Email: christian@redhat.com • Author “Microservices for Java developers” O’Reilly (June 2016) • Committer on Apache Camel, Apache ActiveMQ, Fabric8, many others • Worked with large Microservices, web-scale, unicorn company • Blogger, speaker about DevOps, integration, and microservices Cloud Native Architectures
- 4. • Trying to incorporate new technology? • Trying to copy what others (Netflix, Amazon) are doing? • Tactical automation? • Created a “DevOps” team? • Exploring cloud services? • Build/deploy automation? • OpenSource? • Piecemeal integration? How are you keeping up with change? Cloud Native Architectures
- 5. If change is happening on the outside faster than on the inside the end is in sight. Jack Welch, former CEO, GE Cloud Native Architectures S&P company life expectancy
- 6. Cloud Native Architectures Source: Dave Gray, The Connected Company
- 7. Source: Dave Gray, The Connected Company
- 8. DevOps is NOT about efficiency. DevOps is a reorg.
- 9. Cloud Native Architectures • Faster software delivery • Own database (data) • Faster innovation • Scalability • Right technology for the problem • Test individual services • Isolation • Individual deployments
- 10. Microservices helps solve the problem of “how do we decouple our services and teams to move quickly at scale to deliver business value” Cloud Native Architectures
- 11. • If my services are isolated at the process level, I’m doing #microservices I’m doing microservices if… • If I use REST/Thrift/ProtoBuf instead of SOAP, I’m doing #microservices • If I use JSON, I’m doing #microservices • If I use Docker / SpringBoot / Dropwizard / embedded Jetty, I’m doing #microservices
- 12. People try to copy Net7lix, but they can only copy what they see. They copy the results, not the process. Adrian Cockcroft, former Chief Cloud Architect, Netflix
- 14. Call it what you want; SOA, microservices – it’s all just distributed systems Christian Posta – Red Hat Cloud Native Architectures
- 15. Cloud Native Architectures Fallacies of distributed computing • Reliable networking • Latency is zero • Bandwidth is infinite • Network is secure • Topology doesn’t change • Single administrator • Transport cost is zero • Network is homogenous https://en.wikipedia.org/wiki/Fallacies_of_distributed_computing
- 16. Cloud Native Architectures If we have to take into account the network, do we still need integration?
- 17. Cloud Native Architectures We’ll just do reactive, event-driven distributed systems… still need integration?
- 18. Cloud Native Architectures Yes; we need reliable integration! • REST, RPC • Messaging (ActiveMQ, JMS, AMQP, STOMP, Kafka, etc) • Legacy (SOAP, mainframe, file processing, proprietary) • Managed file processing • Streaming • Message transformation • EIPs
- 19. Heavy Lifting: Apache Camel for Microservices
- 20. Cloud Native Architectures Apache Camel to the rescue! • Small Java library • Distributed-system swiss-army knife! • Powerful EIPs • Declarative DSL • Embeddable into any JVM (EAP, Karaf, Tomcat, Spring Boot, Dropwizard, Wildfly Swarm, no container, etc) • Very popular (200+ components for “dumb pipes”)
- 21. Real developers ride Camels!
- 22. Cloud Native Architectures Apache Camel to the rescue! • Automatic retries, backoff algorithms • Dynamic routing • Powerful testing/mocking framework • Circuit breakers • Backpressure mechanisms • Beautiful REST DSL with built in Swagger support
- 23. REST DSL public class OrderProcessorRouteBuilder extends RouteBuilder { @Override public void configure() throws Exception { rest().post(“/order/socks”) .description(“New Order for pair of socks”) .consumes(“application/json”) .route() .to(“activemq:topic:newOrder”) .log(“received new order ${body.orderId}”) .to(“ibatis:storeOrder?statementType=Insert”); } }
- 24. Cloud Native Architectures Quick Demo of Camel
- 26. Cloud Native Architectures Typical problems developing microservices • How to run them all locally? • How to package them (dependency management) • How to test? • Vagrant? VirtualBox? VMs? • Specify configuration • Process isolation • Service discovery • Multiple versions?
- 27. Cloud Native Architectures Shared infrastructure platforms headaches • Different teams • Different rates of change • VM sprawl • Configuration drift • Isolation / multi-tenancy • Performance • Real-time vs batch • Compliance • Security • Technology choices
- 29. Cloud Native Architectures Immutable infrastructure/deploys • “we’ll just put it back in Ansible/Chef/Puppet/Salt” • Avoid chucking binaries / configs together and hope! • Cattle vs Pets • Don’t change it; replace it • System created fully from automation; avoid drift • Eliminate manual configuration/intervention
- 30. Docker / Linux Containers
- 31. Kubernetes
- 32. • Developer focused workflow • Enterprise ready • Higher level abstraction above containers for delivering technology and business value • Build/deployment triggers • Software Defined Networking (SDN) • Docker native format/packaging • CLI/Web based tooling OpenShift
- 33. Red Hat OpenShift Public PaaS Service On-premise or Private PaaS Software Open Source PaaS Project
- 35. Cloud Native Architectures Fuse Integration Services for OpenShift • Set of tools for integration developers • Package your Fuse/Camel services as Docker images • Run locally on CDK (container development kit) • Manage them with Kubernetes/OpenShift • Flat class loader JVMs • Supports Spring, CDI, Blueprint • Plugs-in to your existing build/release ecosystem (Jenkins/Maven/Nexus/Gitlab,etc)
- 36. Cloud Native Architectures Typical problems developing microservices • How to run them all locally? • How to package them • How to test? • Vagrant? VirtualBox? VMs? • Specify configuration • Process isolation • Service discovery • Multiple versions?
- 38. Cloud Native Architectures Quick Demo?
- 39. • Trying to incorporate new technology? • Trying to copy what others (Netflix, Amazon) are doing? • Tactical automation? • Created a “DevOps” team? • Exploring cloud services? • Build/deploy automation? • OpenSource? • Piecemeal integration? How are you keeping up with change? Cloud Native Architectures
- 40. • 100% open source, ASL 2.0 • Technology agnostic (java, nodejs, python, golang, etc) • Built upon decades of industry practices • 1-click automation • Cloud native (on premise, public cloud, hybrid) • Complex build/deploy pipelines (human workflows, approvals, chatops, etc) • Comprehensive integration inside/outside the platform What if you could do all of this right now with an open-source platform?
- 41. • Docker native, built on top of Kubernetes • 1-click CI/CD • Logging, Metrics • ChatOps • API Management • iPaaS/Integration • Chaos Monkey • Lots and lots of tooling/ libraries to make developing cloud-native applications easier http://fabric8.io
- 46. Christian Posta Principal Middleware Specialist/Architect Twitter: @christianposta Blog: http://blog.christianposta.com Email: christian@redhat.com Questions, Discussion, Demo!