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| openstackgerrit | Tobias Henkel proposed zuul/zuul-jobs master: Fix default origin_version in readme https://review.opendev.org/c/zuul/zuul-jobs/+/775508 | 08:12 |
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| openstackgerrit | Tobias Henkel proposed zuul/zuul-jobs master: ensure-openshift: workaround missing ansible26 repository https://review.opendev.org/c/zuul/zuul-jobs/+/775511 | 08:13 |
| openstackgerrit | Tobias Henkel proposed zuul/nodepool master: Upgrade pip before installing zuul https://review.opendev.org/c/zuul/nodepool/+/775017 | 08:21 |
| openstackgerrit | Tobias Henkel proposed zuul/nodepool master: WIP: Optimize node deletion https://review.opendev.org/c/zuul/nodepool/+/775438 | 08:21 |
| openstackgerrit | Tobias Henkel proposed zuul/nodepool master: WIP: Optimize node launches https://review.opendev.org/c/zuul/nodepool/+/775507 | 08:21 |
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| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "gate your first patch" https://review.opendev.org/c/zuul/zuul/+/732067 | 13:23 |
| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "Use zuul jobs" https://review.opendev.org/c/zuul/zuul/+/732068 | 13:23 |
| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "gate pipeline" https://review.opendev.org/c/zuul/zuul/+/732069 | 13:23 |
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| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "gate your first patch" https://review.opendev.org/c/zuul/zuul/+/732067 | 15:35 |
| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "Use zuul jobs" https://review.opendev.org/c/zuul/zuul/+/732068 | 15:35 |
| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "gate pipeline" https://review.opendev.org/c/zuul/zuul/+/732069 | 15:35 |
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| tristanC | i thought it would be nice to have a reproducible setup for benchmark purpose, so here is a nix package prototype for zuul and nodepool: https://github.com/TristanCacqueray/zuul-nix | 16:05 |
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| yourname | tristanC: oh cool | 17:10 |
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| avass | tristanC: I've been meaning to take a look at nix/nixOS | 17:12 |
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| tristanC | avass: i'd be happy to help you get started if you need help, i put together a nixos configuration for the zuul integration vm, it setups postgresql, zookeeper and gerrit | 17:56 |
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| fungi | our quickstart container loadout doesn't fit the need for a reproducible setup for benchmarking? | 18:26 |
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| avass | fungi: I guess the differnces it tnat nix doesn't use any containers | 19:15 |
| avass | and I _think_ that nix works a bit like a yarn.lock for anything so you could easily get the exact same version of packages everytime you ran/built it | 19:16 |
| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "Use zuul jobs" https://review.opendev.org/c/zuul/zuul/+/732068 | 19:22 |
| fungi | in theory container images can too if you keep using the exact same image, but i'm probably missing some important aspect of a static benchmarking environment (obviously at least some component needs to vary or there's no point in running additional benchmarks) | 19:25 |
| avass | another difference I guess is what's running outside of the container :) | 19:31 |
| avass | nix manages system config/packages for the entire os | 19:34 |
| avass | or at laest nixOS does | 19:35 |
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| avass | while nix-shell is suspposed to be able to act as a reproductible build environment without containerization. | 19:44 |
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| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "Use zuul jobs" https://review.opendev.org/c/zuul/zuul/+/732068 | 20:37 |
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| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "Use zuul jobs" https://review.opendev.org/c/zuul/zuul/+/732068 | 22:01 |
| openstackgerrit | Guillaume Chauvel proposed zuul/zuul master: tutorial: Add "gate pipeline" https://review.opendev.org/c/zuul/zuul/+/732069 | 22:01 |
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| tristanC | fungi: when rebuilding the container, for example to use an open change or to test a new requirement, the resulting image is not deterministic because the base distro and pypi registry changes | 23:21 |
| fungi | ahh, i see, and those can't be pinned to specific versions? | 23:22 |
| fungi | (e.g., using docker image list and pip freeze) | 23:22 |
| tristanC | nixpkg lets you describe and pin all the requirements so that an arbitrary build can be reproduced at any time | 23:22 |
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| fungi | pypi shouldn't change, sure new versions get added but it's up to the requirements list whether you install new versions or not. pypi won't let files be reuploaded/replaced (though very occasionally they do get deleted, a rare occurrence) | 23:24 |
| tristanC | fungi: pypi with a lock file would work, but what about the python interpreter, or the systems libraries? | 23:29 |
| fungi | those are in your pinned container image, right? | 23:29 |
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| tristanC | yes, but the image might not exist in the first place, with nix you can build and rebuild the same image precisely | 23:33 |
| tristanC | for example to try different versions of python or jvm, instead of pinning and sharing new container images, you can simply modify the nix expression and get a similar result | 23:35 |
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