# Test for NixOS' container support. import ./make-test.nix { name = "containers"; machine = { config, pkgs, ... }: { imports = [ ../modules/installer/cd-dvd/channel.nix ]; virtualisation.writableStore = true; virtualisation.memorySize = 768; containers.webserver = { privateNetwork = true; hostAddress = "10.231.136.1"; localAddress = "10.231.136.2"; config = { services.httpd.enable = true; services.httpd.adminAddr = "foo@example.org"; networking.firewall.allowedTCPPorts = [ 80 ]; networking.firewall.allowPing = true; }; }; virtualisation.pathsInNixDB = [ pkgs.stdenv ]; }; testScript = '' $machine->succeed("nixos-container list") =~ /webserver/ or die; # Start the webserver container. $machine->succeed("nixos-container start webserver"); # Since "start" returns after the container has reached # multi-user.target, we should now be able to access it. my $ip = $machine->succeed("nixos-container show-ip webserver"); chomp $ip; #$machine->succeed("ping -c1 $ip"); # FIXME $machine->succeed("curl --fail http://$ip/ > /dev/null"); # Stop the container. $machine->succeed("nixos-container stop webserver"); $machine->fail("curl --fail --connect-timeout 2 http://$ip/ > /dev/null"); # Make sure we have a NixOS tree (required by ‘nixos-container create’). $machine->succeed("nix-env -qa -A nixos.pkgs.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" ); # Destroying a declarative container should fail. $machine->fail("nixos-container destroy webserver"); ''; }