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