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My local test Environment
- 1. daniel8192.wordpress.com@daniel8192 My local test Environment Daniel Hillinger
- 2. Daniel Hillinger • Senior Consultant at Trivadis Germany GmbH Munich • Focus: • Oracle (RAC, Grid Infrastructure, Exadata, Dataguard) • Unix/Linux (OEL, RedHat, Solaris) • Azure (Automation, Design and Security) @daniel8192 daniel8192.wordpress.com
- 5. Agenda • Requirements for test environments • Runtime environments • Automation • Sharing of environments • Conclusion
- 6. Types of Tests Functional tests of Utilities Application tests Stress tests Performance tests
- 7. Generic requirements Repeatable Same for all developers Easy deploy and rollback High degree of automatisim Dependency handling Versioned
- 8. Requirements for local environments Small footprint in terms of resources Mainly similar to production Completly local DB Application Server Webserver ... Endian OS Versions Libraries Storage CPU RAM Performan ce
- 10. Runtime environments • Native • Fully virtualized operating system • Container • Sandbox
- 11. Native • Directly on the OS • Complex for some tools (Oracle DB) • Bad portability • Less comparable • No overhead from environment Host OS AppDB
- 12. Fully virtualized operating system • High overhead from environment • Maximum flexibel • Easy to share • Complex handling of dependencies • Network and Startup • Virtual box • Workstation pro (fromer vmware workstation) • HyperV • Kvm • Wsl2 • Parallels Desktop Host OS AppDB Virtualisation OSOS
- 13. Virtual Box
- 14. Container • Less overhead from environment • Shared kernel, but seperate libaries and runtime environment • Flexibel • OS dependencies • Docker • Podman • Libvirt Host OS ContainerContainer AppDB Container Runtime
- 15. Docker • Large distribution • Large amout of prebuild images available on hub.docker.com • Build described as code (Dockerfile)
- 16. Sandbox • Less overhead from environment • Shared kernel and libraries but separated runtime environment • Wine / CrossOver • Windows Subsystem for Linux (Wsl) Host OS Runtime envRuntime env AppDB
- 17. Windows Subsystem for Linux
- 18. Dependencies • Maybe different for developer (linux, windows, macOS) • Maybe different ways of working (IDEs) • Maybe diffrent requirements for frontend, backend, mobile, … • Available integration for IDEs • Breakpoints • Watching variables • Tool dependencies • Docker and Virtual box not in parallel
- 19. Automation
- 20. Automation • Automatic setup and update of the environment • Including Network • Automatic start and stop with dependencies • Automatic local deployment • Same for all developers
- 21. vagrant init vagrant up vagrant ssh Vagrant • Easy setup • Large community and ready to use images + vagrantfiles on app.vagrantup.com • Syntax based on Ruby • Virtual Box, Docker, libvirt, …
- 22. Docker compose • Only for Docker images • YAML files for the config • Supports data persistence, but must be configured
- 23. Kubernetes • Container orchestration • Only for docker or RKT images • Integrated in docker desktop • YAML / JSON files for the config • Supports data persistance, but must be configured
- 24. Handmade Scripts • Very flexible • Huge amount of effort • Hard to fit several environments / OS / … • Seperated tests
- 26. Sharing of environments • Fully virtualized operating system • Remove all controlers (audio/usb) • Remove all images (cd /disktette) • Use VMDK format (short for Virtual Machine Disk) supported by Virtual Box, Vmware , Parallels Desktop, … • Split disks into 2g files • Virtual box • Install latest vbaddins • Use the same version of virtual box
- 27. Sharing of environments • Cointainer • Share definition file (Dockerfile) and image • Small images (minimise additional libraries) • Easy rebuild with docker file
- 28. Conclusion
- 29. Conclusion • A Large bunch of tools and options • Combinations are possible and often useful • Do it yourself is often to much work • Prebuild images are the key to fast testing and current versions • Be careful with network access to your local OS
- 30. What I use ... • Windows Subsystem for Linux (WSL) • Virtual box • Docker inside virtual box • Sometimes an additional DNS server • Vagrant, only for basic vm setup
- 31. Any Questions?
Editor's Notes
- #4: Hier seht Ihr die wichtigsten Facts & Figures auf einen Blick. Trivadis wurde 1994 als unabhängiges Dienstleistungs-Unternehmen gegründet. Heute beschäftigen wir rund 700 Mitarbeitende in 16 Workspaces in der Schweiz, Deutschland, Österreich, Dänemark und Rumänien. Im letzten Geschäftsjahr haben wir Erfahrungen in über 1900 Kundenprojekte gesammelt und einen Umsatz von rund 118 Millionen CHF erzielt. Neben der grossen Zahl an Projekten unterstützen wir unsere Kunden in über 250 Service Level Agreements. Die Basis für die nachhaltige, technologische Exzellenz ergibt sich aus unserem Forschungs- und Entwicklungsbudget. Jährlich investieren wir ca. 5 Mio CHF in die Analyse und Evaluation neuer Technologien und die Ausarbeitung unserer Methoden und Produkte. Gemeinsam mit unseren Kunden und Partnern gestalten wir die digitale Zukunft. Überleitung zur nächsten Folie: Ganz im Sinne unserer Mission
- #19: Virtual Box: - Alle defaults: 3 clicks - sonst über 10 ohne OS