80 lines
3.2 KiB
Nix
80 lines
3.2 KiB
Nix
# Test for NixOS' container support.
|
|
|
|
import ./make-test.nix ({ pkgs, ...} : {
|
|
name = "containers-tmpfs";
|
|
meta = with pkgs.stdenv.lib.maintainers; {
|
|
maintainers = [ ckampka ];
|
|
};
|
|
|
|
machine =
|
|
{ config, pkgs, ... }:
|
|
{ imports = [ ../modules/installer/cd-dvd/channel.nix ];
|
|
virtualisation.writableStore = true;
|
|
virtualisation.memorySize = 768;
|
|
|
|
containers.tmpfs =
|
|
{
|
|
autoStart = true;
|
|
tmpfs = [
|
|
# Mount var as a tmpfs
|
|
"/var"
|
|
|
|
# Add a nested mount inside a tmpfs
|
|
"/var/log"
|
|
|
|
# Add a tmpfs on a path that does not exist
|
|
"/some/random/path"
|
|
];
|
|
config = { };
|
|
};
|
|
|
|
virtualisation.pathsInNixDB = [ pkgs.stdenv ];
|
|
};
|
|
|
|
testScript =
|
|
''
|
|
$machine->waitForUnit("default.target");
|
|
$machine->succeed("nixos-container list") =~ /tmpfs/ or die;
|
|
|
|
# Start the tmpfs container.
|
|
#$machine->succeed("nixos-container status tmpfs") =~ /up/ or die;
|
|
|
|
# Verify that /var is mounted as a tmpfs
|
|
#$machine->succeed("nixos-container run tmpfs -- systemctl status var.mount --no-pager 2>/dev/null") =~ /What: tmpfs/ or die;
|
|
$machine->succeed("nixos-container run tmpfs -- mountpoint -q /var 2>/dev/null");
|
|
|
|
# Verify that /var/log is mounted as a tmpfs
|
|
$machine->succeed("nixos-container run tmpfs -- systemctl status var-log.mount --no-pager 2>/dev/null") =~ /What: tmpfs/ or die;
|
|
$machine->succeed("nixos-container run tmpfs -- mountpoint -q /var/log 2>/dev/null");
|
|
|
|
# Verify that /some/random/path is mounted as a tmpfs
|
|
$machine->succeed("nixos-container run tmpfs -- systemctl status some-random-path.mount --no-pager 2>/dev/null") =~ /What: tmpfs/ or die;
|
|
$machine->succeed("nixos-container run tmpfs -- mountpoint -q /some/random/path 2>/dev/null");
|
|
|
|
# Verify that files created in the container in a non-tmpfs directory are visible on the host.
|
|
# This establishes legitimacy for the following tests
|
|
$machine->succeed("nixos-container run tmpfs -- touch /root/test.file 2>/dev/null");
|
|
$machine->succeed("nixos-container run tmpfs -- ls -l /root | grep -q test.file 2>/dev/null");
|
|
$machine->succeed("test -e /var/lib/containers/tmpfs/root/test.file");
|
|
|
|
|
|
# Verify that /some/random/path is writable and that files created there
|
|
# are not in the hosts container dir but in the tmpfs
|
|
$machine->succeed("nixos-container run tmpfs -- touch /some/random/path/test.file 2>/dev/null");
|
|
$machine->succeed("nixos-container run tmpfs -- test -e /some/random/path/test.file 2>/dev/null");
|
|
|
|
$machine->fail("test -e /var/lib/containers/tmpfs/some/random/path/test.file");
|
|
|
|
# Verify that files created in the hosts container dir in a path where a tmpfs file system has been mounted
|
|
# are not visible to the container as the do not exist in the tmpfs
|
|
$machine->succeed("touch /var/lib/containers/tmpfs/var/test.file");
|
|
|
|
$machine->succeed("test -e /var/lib/containers/tmpfs/var/test.file");
|
|
$machine->succeed("ls -l /var/lib/containers/tmpfs/var/ | grep -q test.file 2>/dev/null");
|
|
|
|
$machine->fail("nixos-container run tmpfs -- ls -l /var | grep -q test.file 2>/dev/null");
|
|
|
|
'';
|
|
|
|
})
|