I’m trying to find a thing, and I’m not turning up anything in my web searches so I figure I’d ask the cool people for help.
I’ve got several projects, tracked in Git, that rely on having a set of command line tools installed to work on locally - as an example, one requires Helm, Helmfile, sops, several Helm plugins, Pluto, Kubeval and the Kubernetes CLI. Because I don’t hate future me, I want to ensure that I’m installing specific versions of these tools rather than just grabbing whatever happens to be the latest version. I also want to ensure that my CI runner grabs the same versions, so I can be reasonably sure that what I’ve tried locally will actually work when I go to deploy it.
My current solution to this is a big ol’ Bash script, which works, but is kind of a pain to maintain. What I’m trying to find is a tool where I:
- Can write a definition, ideally somewhere shared between projects, of what it means to “install tool X”
- Include a file in my project that lists the tools and versions I want
- Run the tool on my machine and let it go grab the platform- and architecture- specific binaries from wherever, and install them somewhere that I can add to my $PATH for this specific project
- Run the tool in CI and do the same - if it can cache stuff then awesome
Linux support is a must, other platforms would be nice as well.
Basically I’m looking for Pythons’ pip + virtualenv workflow, but for prebuilt tools like helm, terraform, sops, etc. Anyone know of anything? I’ve looked at homebrew (seems to want to install system-wide), and VSCode dev containers (doesn’t solve the CI need, and I’d still need to solve installing the tools myself)
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Is this Nix bait? Cause I’d say Nix.
Very briefly playing about with Nix it does seem pretty compelling - only issue I can see is I don’t seem to have a straight forward way of installing a specific version of a tool from the official repo - you get whatever the current version is that the package maintainers have published for the specific snapshot you are using. I guess I could maintain my own packaging for different versions if it turns out to be important
I only started diving into nix this year so I’m still learning, but yeah, I’m pretty sure the lack of granular versioning is a common pain point with nixpkgs. I’d suggest checking out flakes if you haven’t already, but be warned, it gets hairy lol
It is not? At one of my previous jobs it was nix that allowed me to get a compatible legacy version of kubectl up and running easily iirc
It definitely still is. I use nix on the daily and specialize in old versions seach; Just because it’s very possible doesn’t mean people don’t find it to be a pain point.
With the right tools (which are not easily found in the docs or on Google) finding one old version is fine. Running one old version is flawless. But mixing that old version with newer versions of other packages causes problems because of the nix LD_LIBRARY_PATH issue.
