commit db5b547b2542d01661ad602b437d88e3c75a8606 · pyrox.dev/nixpkgs

+10

nixos/modules/virtualisation/amazon-init.nix

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           userData=/etc/ec2-metadata/user-data

     

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           # Check if user-data looks like a shell script and execute it with the

     

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           # runtime shell if it does. Otherwise treat it as a nixos configuration

     

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           # expression

     

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           if IFS= LC_ALL=C read -rN2 shebang < $userData && [ "$shebang" = '#!' ]; then

     

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             # NB: we cannot chmod the $userData file, this is why we execute it via

     

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             # `pkgs.runtimeShell`. This means we have only limited support for shell

     

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             # scripts compatible with the `pkgs.runtimeShell`.

     

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             exec ${pkgs.runtimeShell} $userData

     

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           fi

     

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           if [ -s "$userData" ]; then

     

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             # If the user-data looks like it could be a nix expression,

     

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             # copy it over. Also, look for a magic three-hash comment and set

nixos/tests/all-tests.nix

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         _3proxy = handleTest ./3proxy.nix {};

     

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         acme = handleTest ./acme.nix {};

     

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         agda = handleTest ./agda.nix {};

     

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         amazon-init-shell = handleTest ./amazon-init-shell.nix {};

     

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         ammonite = handleTest ./ammonite.nix {};

     

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         atd = handleTest ./atd.nix {};

     

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         avahi = handleTest ./avahi.nix {};

+40

nixos/tests/amazon-init-shell.nix

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       # This test verifies that the amazon-init service can treat the `user-data` ec2

     

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       # metadata file as a shell script. If amazon-init detects that `user-data` is a

     

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       # script (based on the presence of the shebang #! line) it executes it and

     

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       # exits.

     

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       # Note that other tests verify that amazon-init can treat user-data as a nixos

     

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       # configuration expression.

     

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       { system ? builtins.currentSystem,

     

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         config ? {},

     

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         pkgs ? import ../.. { inherit system config; }

     

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       }:

     

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       with import ../lib/testing-python.nix { inherit system pkgs; };

     

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       with pkgs.lib;

     

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       makeTest {

     

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         name = "amazon-init";

     

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         meta = with maintainers; {

     

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           maintainers = [ urbas ];

     

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         };

     

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         machine = { ... }:

     

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         {

     

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           imports = [ ../modules/profiles/headless.nix ../modules/virtualisation/amazon-init.nix ];

     

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           services.openssh.enable = true;

     

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           networking.hostName = "";

     

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           environment.etc."ec2-metadata/user-data" = {

     

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             text = ''

     

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               #!/usr/bin/bash

     

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               echo successful > /tmp/evidence

     

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             '';

     

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           };

     

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         };

     

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         testScript = ''

     

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           # To wait until amazon-init terminates its run

     

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           unnamed.wait_for_unit("amazon-init.service")

     

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           unnamed.succeed("grep -q successful /tmp/evidence")

     

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         '';

     

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       }