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https://github.com/NixOS/nixpkgs.git
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acf7bc898a
Just removing the system argument because it doesn't exist (it's actually config.nixpkgs.system, which we're already using). We won't get an error anyway if we're not actually using it, so this is just an aesthetics fix. Signed-off-by: aszlig <aszlig@redmoonstudios.org>
97 lines
3.3 KiB
Nix
97 lines
3.3 KiB
Nix
# Test for NixOS' container support.
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import ./make-test.nix ({ pkgs, ...} : {
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name = "containers-imperative";
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meta = with pkgs.stdenv.lib.maintainers; {
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maintainers = [ aristid aszlig eelco chaoflow ];
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};
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machine =
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{ config, pkgs, lib, ... }:
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{ imports = [ ../modules/installer/cd-dvd/channel.nix ];
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virtualisation.writableStore = true;
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virtualisation.memorySize = 768;
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# Make sure we always have all the required dependencies for creating a
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# container available within the VM, because we don't have network access.
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virtualisation.pathsInNixDB = let
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emptyContainer = import ../lib/eval-config.nix {
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inherit (config.nixpkgs) system;
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modules = lib.singleton {
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containers.foo.config = {};
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};
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};
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in [ pkgs.stdenv emptyContainer.config.containers.foo.path ];
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};
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testScript =
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''
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# Make sure we have a NixOS tree (required by ‘nixos-container create’).
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$machine->succeed("PAGER=cat nix-env -qa -A nixos.hello >&2");
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# Create some containers imperatively.
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my $id1 = $machine->succeed("nixos-container create foo --ensure-unique-name");
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chomp $id1;
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$machine->log("created container $id1");
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my $id2 = $machine->succeed("nixos-container create foo --ensure-unique-name");
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chomp $id2;
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$machine->log("created container $id2");
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die if $id1 eq $id2;
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# Put the root of $id2 into a bind mount.
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$machine->succeed(
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"mv /var/lib/containers/$id2 /id2-bindmount",
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"mount --bind /id2-bindmount /var/lib/containers/$id1"
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);
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my $ip1 = $machine->succeed("nixos-container show-ip $id1");
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chomp $ip1;
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my $ip2 = $machine->succeed("nixos-container show-ip $id2");
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chomp $ip2;
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die if $ip1 eq $ip2;
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# Create a directory and a file we can later check if it still exists
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# after destruction of the container.
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$machine->succeed(
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"mkdir /nested-bindmount",
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"echo important data > /nested-bindmount/dummy",
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);
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# Create a directory with a dummy file and bind-mount it into both
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# containers.
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foreach ($id1, $id2) {
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my $importantPath = "/var/lib/containers/$_/very/important/data";
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$machine->succeed(
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"mkdir -p $importantPath",
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"mount --bind /nested-bindmount $importantPath"
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);
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}
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# Start one of them.
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$machine->succeed("nixos-container start $id1");
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# Execute commands via the root shell.
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$machine->succeed("nixos-container run $id1 -- uname") =~ /Linux/ or die;
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# Stop and start (regression test for #4989)
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$machine->succeed("nixos-container stop $id1");
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$machine->succeed("nixos-container start $id1");
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# Execute commands via the root shell.
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$machine->succeed("nixos-container run $id1 -- uname") =~ /Linux/ or die;
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# Destroy the containers.
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$machine->succeed("nixos-container destroy $id1");
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$machine->succeed("nixos-container destroy $id2");
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$machine->succeed(
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# Check whether destruction of any container has killed important data
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"grep -qF 'important data' /nested-bindmount/dummy",
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# Ensure that the container path is gone
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"test ! -e /var/lib/containers/$id1"
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);
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'';
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})
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