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WebSphere Liberty and IBM Containers: The Perfect Combination for Java Microservices

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Presentation from IBM InterConnect 2017.
Abstract: This session will demonstrate how WebSphere Application Server Liberty and Docker containers make the perfect combination for development and deployment of Java-based microservices. We'll show an end-to-end workflow, starting with creating a new service with the Liberty App Accelerator, local development with the free WebSphere Developer Tools, and then deployment to IBM Containers with the Bluemix DevOps Services.

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WebSphere Liberty and IBM Containers: The Perfect Combination for Java Microservices

  1. 1. InterConnect 2017 WebSphere Liberty and IBM Containers: The Perfect Combination for Java Microservices Tom Banks @tom_will_banks tom.banks@uk.ibm.com David Currie @dcurrie david_currie@uk.ibm.com
  2. 2. Please note IBM’s statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM’s sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion. Performance is based on measurements and projections using standard IBM benchmarks in a controlled environment. The actual throughput or performance that any user will experience will vary depending upon many factors, including considerations such as the amount of multiprogramming in the user’s job stream, the I/O configuration, the storage configuration, and the workload processed. Therefore, no assurance can be given that an individual user will achieve results similar to those stated here.
  3. 3. Agenda Microservices Overview Why Containers? Why IBM Bluemix Container Service? Why WebSphere Liberty? Demo Future Direction
  4. 4. Microservices Overview
  5. 5. Application architected as a suite of: Small, independently deployable, services Built around business capabilities Each running in its own process Communicating with lightweight protocols Microservices: A Definition Microservice component Microservice component Microservice component
  6. 6. Pros and Cons Agility Runtime scalability Development scalability Resilience Technical heterogeneity Operational complexity DevOps skills Service versioning Duplicated effort Increased latency Fault tolerance Eventual consistency Service discovery End-to-end testing
  7. 7. Microservice Premium http://martinfowler.com/bliki/MicroservicePremium.html
  8. 8. Why Containers?
  9. 9. Container = Isolation of virtual machine + Startup time and footprint of process Process PID IPC = Namespaces for isolation CPU Memory = Control groups for resource constraint
  10. 10. The Docker Advantage image = standardized packaging mechanism + meta-data defining externals layers = shorter build times + less i/o and disk usage API = consistent interface for handling logs, metrics, volumes, networking, … r/o = optional immutability registry server 1 FROM websphere-liberty COPY app.war /config/dropins Dockerfile app.war Image: app Docker Enginedocker build/run serverwebsphere- liberty ubuntu java server ubuntu java app.war Container server ubuntu java r/w layer app.warapp
  11. 11. Why IBM Bluemix Container Service?
  12. 12. IBM Bluemix Container Service Fully-managed hosted service for building and running containers Private container registry pre-populated with IBM images (including WebSphere Liberty) Volume service for persistent storage Overlay networking providing non-routed IP addresses for every container and ability to bind public IPs Easily configure and consume services, whether inside or outside of Bluemix Scalable groups with integrated load balancing and auto-recovery
  13. 13. Vulnerability Advisor Ensure that only secure images are deployed and that they stay secure Growing capabilities: July 2015: Policy Violations/ Vulnerable Packages Nov 2015: Best Practice Improvements Oct 2016: Security Misconfigurations Nov 2016: Live Container Scanning Jan 2017: Integration with IBM X-Force
  14. 14. Bluemix Open Toolchains IBM Bluemix Container Service Image Build Image Registry
  15. 15. Preconfigured metrics for memory, CPU and network I/O Search across aggregated logs Monitoring and Logging
  16. 16. Why WebSphere Liberty?
  17. 17. Liberty Characteristics Fast start-up Minimal footprint Liberty server package, with or without server binaries Simple deployment model Compose server, application and environment configuration Standards based feature function required for microservices implementation
  18. 18. Cloud-native Java programming model MicroProfile.io community MicroProfile 1.0 announced at JavaOne 2016 JAX-RS / JSON-P / CDI MicroProfile project in Eclipse Foundation Configuration: environment specific application configuration from multiple sources with dynamic updates; implementation based on Netflix Archaius Fault Tolerance: timeout, retry, circuit breaker, fallback and bulkhead pattern; implementation based on Failsafe Monitoring: application and runtime metrics exposed via /metrics Health Check: application health exposed via /health Distributed tracing: proposal for OpenTracing with Zipkin Security: Open ID Connect / JWT
  19. 19. Best practice is to make available environmental configuration at deploy time Easy to embed environment variables in Liberty server configuration ${env.YYY} Use Liberty configDropins folder to mount in additional configuration files at deployment time; supports dynamic update Beta feature microProfileConfig-0.1 provides Java API for application level configuration Environmental Configuration
  20. 20. Liberty App Accelerator http://wasdev.net/accelerate <10 Get a Java-based minutes microservice that uses Liberty built and deployed in
  21. 21. Developer images for latest fix pack available in IBM Bluemix Container Service registry latest / javaee7 webProfile6 webProfile7 microProfile Images kept vulnerability free Can be upgraded to production licensed image via license JAR from Passport Advantage Images in Bluemix Registry
  22. 22. Getting started experience is very simple: build an image that adds a WAR file and then run it Modifying the application only requires rebuilding and redeploying the application layer Running an Application FROM ibmliberty:webProfile7 COPY app.war /config/dropins/ bx ic build -t app . bx ic run -d -p 9080 -p 9443 app .war
  23. 23. Liberty kernel image and online repository of features makes it possible to build custom images containing just the features required by an application ‘Right size’ Images FROM websphere-liberty:kernel COPY server.xml /config/ RUN installUtility install --acceptLicense defaultServer
  24. 24. Free WebSphere Developer Tools support running applications from the Eclipse workspace on a Liberty instance in a container Adds REST Connector and enables security Provides ability to switch Liberty server in to debug mode WebSphere Developer Tools
  25. 25. Docker logging enables collection of SystemOut/SystemErr Liberty features push messages, trace, FFDC, HTTP access and GC logs logstashCollector bluemixLogCollector Liberty dashboards for Kibana Logging
  26. 26. Demo
  27. 27. Future Direction
  28. 28. Beta available March 20th. Service combines Docker and Kubernetes to deliver powerful tools, an intuitive user experience,and built-in security and isolation to enable rapid delivery of applications all while leveraging Cloud Services including cognitive capabilities from Watson. www.ibm.com/cloud-computing/bluemix/containers
  29. 29. Intelligent Scheduling Automated rollouts and rollbacks Container Security & PrivacyDesign Your Own Cluster Self-healing Horizontal scaling Leverages IBM Cloud & Watson Integrated Operational Tools Service discovery & load balancing Secret & configuration management Simplified Cluster Management Native Kubernetes Experience IBM Bluemix Container Service
  30. 30. Microservice Builder (Beta) Common OSS architecture IBM Spectrum Conductor for Containers x86 and Power On Premise Focus Customer-managed IBM-managed Common Programming models + Tools + Runtimes SwiftFAILSAFE IBM Bluemix Container Service Bluemix Cloud Containerized Applications > bx dev create …
  31. 31. Learn More
  32. 32. Microservices and Java • http://wasdev.net/microservices • http://www.redbooks.ibm.com/red pieces/abstracts/sg248357.html
  33. 33. Play with Microservices https://game-on.org
  34. 34. Questions?
  35. 35. Summary Microservices Overview Why Containers? Why IBM Bluemix Container Service? Why WebSphere Liberty? Demo Future Direction
  36. 36. Notices and disclaimers Copyright © 2017 by International Business Machines Corporation (IBM). No part of this document may be reproduced or transmitted in any form without written permission from IBM. U.S. Government Users Restricted Rights — use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM. Information in these presentations (including information relating to products that have not yet been announced by IBM) has been reviewed for accuracy as of the date of initial publication and could include unintentional technical or typographical errors. IBM shall have no responsibility to update this information. This document is distributed “as is” without any warranty, either express or implied. In no event shall IBM be liable for any damage arising from the use of this information, including but not limited to, loss of data, business interruption, loss of profit or loss of opportunity. IBM products and services are warranted according to the terms and conditions of the agreements under which they are provided. IBM products are manufactured from new parts or new and used parts. In some cases, a product may not be new and may have been previously installed. Regardless, our warranty terms apply.” Any statements regarding IBM's future direction, intent or product plans are subject to change or withdrawal without notice. Performance data contained herein was generally obtained in a controlled, isolated environments. Customer examples are presented as illustrations of how those customers have used IBM products and the results they may have achieved. Actual performance, cost, savings or other results in other operating environments may vary. References in this document to IBM products, programs, or services does not imply that IBM intends to make such products, programs or services available in all countries in which IBM operates or does business. Workshops, sessions and associated materials may have been prepared by independent session speakers, and do not necessarily reflect the views of IBM. All materials and discussions are provided for informational purposes only, and are neither intended to, nor shall constitute legal or other guidance or advice to any individual participant or their specific situation. It is the customer’s responsibility to insure its own compliance with legal requirements and to obtain advice of competent legal counsel as to the identification and interpretation of any relevant laws and regulatory requirements that may affect the customer’s business and any actions the customer may need to take to comply with such laws. IBM does not provide legal advice or represent or warrant that its services or products will ensure that the customer is in compliance with any law.
  37. 37. Notices and disclaimers continued Information concerning non-IBM products was obtained from the suppliers of those products, their published announcements or other publicly available sources. IBM has not tested those products in connection with this publication and cannot confirm the accuracy of performance, compatibility or any other claims related to non-IBM products. Questions on the capabilities of non-IBM products should be addressed to the suppliers of those products. IBM does not warrant the quality of any third-party products, or the ability of any such third-party products to interoperate with IBM’s products. IBM expressly disclaims all warranties, expressed or implied, including but not limited to, the implied warranties of merchantability and fitness for a particular, purpose. The provision of the information contained herein is not intended to, and does not, grant any right or license under any IBM patents, copyrights, trademarks or other intellectual property right. IBM, the IBM logo, ibm.com, Aspera®, Bluemix, Blueworks Live, CICS, Clearcase, Cognos®, DOORS®, Emptoris®, Enterprise Document Management System™, FASP®, FileNet®, Global Business Services®, Global Technology Services®, IBM ExperienceOne™, IBM SmartCloud®, IBM Social Business®, Information on Demand, ILOG, Maximo®, MQIntegrator®, MQSeries®, Netcool®, OMEGAMON, OpenPower, PureAnalytics™, PureApplication®, pureCluster™, PureCoverage®, PureData®, PureExperience®, PureFlex®, pureQuery®, pureScale®, PureSystems®, QRadar®, Rational®, Rhapsody®, Smarter Commerce®, SoDA, SPSS, Sterling Commerce®, StoredIQ, Tealeaf®, Tivoli® Trusteer®, Unica®, urban{code}®, Watson, WebSphere®, Worklight®, X-Force® and System z® Z/OS, are trademarks of International Business Machines Corporation, registered in many jurisdictions worldwide. Other product and service names might be trademarks of IBM or other companies. A current list of IBM trademarks is available on the Web at "Copyright and trademark information" at: www.ibm.com/legal/copytrade.shtml.
  38. 38. InterConnect 2017