Grid Router – scalable and fault tolerant solution for Selenium grid
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The talk about opensource solution for scalable and fault tolerant solution for Selenium grid. Talk was a part of Seleniumcamp 2016 conference http://seleniumcamp.com/ https://github.com/seleniumkit
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Grid Router – scalable and fault tolerant solution for Selenium grid
- 1. Grid Router – scalable and fault tolerant solution for grid Mikhail Levin, Yandex https://github.com/seleniumkit/gridrouter https://github.com/seleniumkit/selenograph
- 2. Requirements for large Selenium grid
- 3. 3 Selenium Hub Selenium Node Selenium Node Selenium Node
- 4. 4 Selenium Hub Selenium Node Selenium Node Selenium Node 〉Reliability 〉Sacalability 〉Standart components 〉Access and resources management
- 5. Balance It!
- 6. Client side balancing Selenium Hub Selenium Hub Selenium Hub Selenium Hub @test + browsers.xml
- 7. Selenium Hub Selenium Hub Selenium Hub Selenium Hub @test Runtime browsers.xml Client side balancing
- 8. Selenium Hub Selenium Hub Selenium Hub Selenium Hub @test Runtime browsers.xml Not standart Client side balancing
- 10. Distributed selenium grid Standart user API ! Reliability and scalability ! Access and resources management
- 12. 〉Any number of heads 〉Any amount of browsers 〉No single point of failure Fix size Reliability and scalability
- 13. Selenium Hub Selenium Hub Selenium Hub Selenium Hub @test Runtime browsers.xml Standrart API + scalability
- 14. Grid-Router Hub Hub Hub Tests Grid-Router Grid-Router Hub Hub Hub SLB Standrart API + scalability
- 15. SessionID magic 5277a32df29c468653b5a6a7106eb91346e51aeb-c800-401e-1de6-3c9e52bb0831 46e51aeb-c800-401e-1de6-3c9e52bb0831 Hub location Grid-Router SLB Grid-Router Grid-Router Hub Selenium sessionID
- 16. Hub configuration Openstack VM - 2 core, 4Gb ubuntu Hub xvfb Node + 1 xvfb Node + 1 … 5 newSessionWaitTimeout : 10000
- 17. Grid-Router Hub Hub Hub Tests Grid-Router Grid-Router Hub Hub Hub SLB Standrart API + scalability
- 18. Access and resources management Quota_х.xml ! Basic http auth http://login:pass@grid.domain.com:4444/wd/hub ! RouteServlet ! ProxyServlet
- 19. MyQuota.xml
- 20. Grid Router Simple ! Join several hubs in one entry point ! Powerful ! With access management ! Scalable and reliable
- 22. Further development Speed of search for available node ! Quoting by treads ! Reducing operational coasts ! User interface
- 23. Further development Grid Router Selenograph + hub status + browser availability + sessions amount + web front +
- 24. Selenograph
- 25. Further development Grid Router Selenograph + sessions amount + web front + +
- 29. Hardware + x86 + -gpu mesa Main troubles 〉Appium stability 〉adb capacity 〉Broken emulators
- 30. Mac Mini Hub - ? vm Appium + Xcode + 1 emulator Appium + Xcode + 1 emulator vm
- 31. Main troubles 〉Appium stability 〉Instruments stabilty 〉Speed 〉Costs
- 32. https://github.com/kybu/headless-selenium-for-win Openstack VM - 2 cores, 4Gb windows7 Hub virtual desktop Node + 1 … 4 desktop virtual desktop Node + 1
- 33. windows7 Hub virtual desktop Node + 1 … 4 desktop virtual desktop Node + 1 〉Do NOT use capability requireWindowFocus=true 〉switch off drug&drop 〉switch off spellchecker 〉switch off ClearType
- 35. Mikhail Levin, Yandex https://github.com/seleniumkit/gridrouterGrid router: lev932@yandex.ru https://github.com/seleniumkit/selenographSelenograph: https://github.com/seleniumkit https://github.com/kybu/headless-selenium-for-winWin solution: Thanks!