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Testing Cloud Native Applications Pini Reznik, @pini42 October 2016 - PowerPoint PPT Presentation

Dec 13, 2023 •430 likes •847 views

Testing Cloud Native Applications Pini Reznik, @pini42 October 2016 @pini42 www.container-solutions.com | info@container-solutions.com Some background... @pini42 www.container-solutions.com | info@container-solutions.com @pini42

  1. Testing Cloud Native Applications Pini Reznik, @pini42 October 2016 @pini42 www.container-solutions.com | info@container-solutions.com

  2. Some background... @pini42 www.container-solutions.com | info@container-solutions.com

  3. @pini42 www.container-solutions.com | info@container-solutions.com

  4. @pini42 www.container-solutions.com | info@container-solutions.com

  5. @pini42 www.container-solutions.com | info@container-solutions.com

  6. @pini42 www.container-solutions.com | info@container-solutions.com

  7. @pini42 www.container-solutions.com | info@container-solutions.com

  8. What is Cloud Native then? @pini42 www.container-solutions.com | info@container-solutions.com

  9. How CNCF defines its role? The Cloud Native Computing Foundation (CNCF) will harmonize emerging technologies and foster innovation in container packaged, dynamically scheduled, and microservices based application development and operations. The mission of the CNCF is to create and drive the adoption of a new computing paradigm that is optimized for modern distributed systems environments capable of scaling to tens of thousands of self healing multi-tenant nodes . @pini42 www.container-solutions.com | info@container-solutions.com

  10. Continuous Delivery pipelines @pini42 www.container-solutions.com | info@container-solutions.com

  11. Pre-DevOps @pini42 www.container-solutions.com | info@container-solutions.com

  12. DevOps @pini42 www.container-solutions.com | info@container-solutions.com

  13. Post-DevOps @pini42 www.container-solutions.com | info@container-solutions.com

  14. No manual testing as a principle! @pini42 www.container-solutions.com | info@container-solutions.com

  15. Now our journey begins... @pini42 www.container-solutions.com | info@container-solutions.com

  16. @pini42 www.container-solutions.com | info@container-solutions.com

  17. Building Elasticsearch framework for Mesos @pini42 www.container-solutions.com | info@container-solutions.com

  18. Conclusion ... Mesos Frameworks Development is difficult! We need a SDK @pini42 www.container-solutions.com | info@container-solutions.com

  19. Possible Mesos Frameworks SDK - HTTP APIs - Framework template - Rapid development environment - Libraries with standard functionalities - Testing tools - Resilience/stress testing - Distributed debugging - Dependencies between frameworks (like Maven) - Built-in infra services (networking, storage, security, load balancing, etc) - Unified UI, including frameworks - Documentation - Workshops and online tutorials @pini42 www.container-solutions.com | info@container-solutions.com

  20. Minimesos - First Steps @pini42 www.container-solutions.com | info@container-solutions.com

  21. Minimesos - Java API public class MesosClusterTest { @ClassRule public static MesosClusterTestRule testRule = MesosClusterTestRule.fromFile("src/test/resources/configFiles/testMinimesosFile"); public static MesosCluster cluster = testRule.getMesosCluster(); @Test public void mesosClusterCanBeStarted () throws Exception { JSONObject stateInfo = cluster.getStateInfoJSON(); Assert.assertEquals(3, stateInfo.getInt("activated_slaves")); Assert.assertTrue(cluster.getMesosMasterURL().contains(":5050")); } } @pini42 www.container-solutions.com | info@container-solutions.com

  22. Minimesos - Integrations 1. Configuration file 2. CLI 3. Maven plugin 4. Integration with TravisCI, Jenkins, etc. @pini42 www.container-solutions.com | info@container-solutions.com

  23. Building ELK Mesos Frameworks @pini42 www.container-solutions.com | info@container-solutions.com

  24. ELK (Logstash) @pini42 www.container-solutions.com | info@container-solutions.com

  25. ELK (Kibana) @pini42 www.container-solutions.com | info@container-solutions.com

  26. Mesos Monkey Mesos Monkey is a project to test and monitor the applications that are running on your Mesos infrastructure. It exposes a flexible REST based framework to kill, monitor and stress test your applications @pini42 www.container-solutions.com | info@container-solutions.com

  27. Mesos Monkey - Kill tasks - Start Mesos Monkey - Stress test services - Write a JSON file to - Monitor performance define a Monkey “Job” - Submit the “job” to an API - Fully customisable, - Observe and monitor completely overwritable results @pini42 www.container-solutions.com | info@container-solutions.com

  28. Next big project @pini42 www.container-solutions.com | info@container-solutions.com

  29. Microservices Demo - Weave Socks @pini42 www.container-solutions.com | info@container-solutions.com

  30. Weave Socks Architecture @pini42 www.container-solutions.com | info@container-solutions.com

  31. Weave Socks Containers View @pini42 www.container-solutions.com | info@container-solutions.com

  32. How do we test the Socks Shop? - Unit - Component - Container - APIs - Integration - Advanced @pini42 www.container-solutions.com | info@container-solutions.com

  33. Unit test - Same as before microservices @pini42 www.container-solutions.com | info@container-solutions.com

  34. Component test - Test the service without external dependencies. Use data fixtures. @pini42 www.container-solutions.com | info@container-solutions.com

  35. Container test - Controlled injection of (mocked) dependencies. - Testing the behaviour under different circumstances. @pini42 www.container-solutions.com | info@container-solutions.com

  36. APIs - Create API specification to establish a contract between the producer and an API consumer(we use Swagger ) - Validate API specification against the endpoints (we use Dredd) Dredd is a language-agnostic command-line tool for validating API description document against backend implementation of the API. @pini42 www.container-solutions.com | info@container-solutions.com

  37. Integration - Private test environments to allow e2e testing (like minimesos, minukube, docker compose, etc.) - Collaborative test environments to test combinations and groups of services @pini42 www.container-solutions.com | info@container-solutions.com

  38. Advanced - Stress, performance and other advanced tests - Chaos Monkeys - Services oriented logging, monitoring, tracing and debugging - A/B testing and Blue/Green or Canary deployments @pini42 www.container-solutions.com | info@container-solutions.com

  39. Summary Two most important recommendations for testing Cloud Native Apps: - Build private testing environments - Test the API producer/consumer contracts @pini42 www.container-solutions.com | info@container-solutions.com

  40. Demo www.container-solutions.com | info@container-solutions.com

  41. Questions? www.container-solutions.com | info@container-solutions.com

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