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Wikimedia Release Engineering Team/Train development environment/2020-07-30

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2020-07-30

[edit]

As Always

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  • Redone scripting to create train dev environment
    • Almost reliable: libvirt ip address collisions still happen
  • Lars demos
    • "build-train-dev" -- takes one argument -- path for vm image
    • Waits for VM to boot and login to ssh
    • runs ansible automagically -- may someday replace with puppet -- ansible was the easier path over the nearterm
      • "vdc" may be confusing -- i.e., 3rd virtual disk
      • lars: may be renamed to "traindev" -- "vdc" == "virtual data center"
    • Nested vms, but needs kernel modules to be reloaded, rebooting is the most reliable thing
    • Nested vms: git server and deployment server
    • Any need to have everyone's host key on the VM? No! https://gerrit.wikimedia.org/r/c/mediawiki/tools/train-dev/+/617543
      • Depends on the goals of the VM
    • How much ram?
      • 8GB currently, but less would likely do
    • Bug somewhere with cloud-init
    • Scap pull might be a good next target
  • Phab component:

https://phabricator.wikimedia.org/project/view/4835/


TODOS

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  • mostly Yes Done automating building the environment - Lars
  • publish an image - Lars
  • ssh host keys static - Mukunda
    • should fetch a git repo of pub keys in the image to auto update
  • scap patch - Mukunda
  • deploy-promote
  • Everybody: Try to get Lars's image running on local machines
  • VirtualBox image coming soon™
  • Fix bug that copies pubkeys/* keys into */meta-data https://gerrit.wikimedia.org/r/c/mediawiki/tools/train-dev/+/617543
  • Later: CI for train dev
    • test the build train dev
    • test SSH
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