nixpkgs/nixos/tests/containers-ephemeral.nix

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import ./make-test-python.nix ({ pkgs, lib, ... }: {
name = "containers-ephemeral";
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meta = {
maintainers = with lib.maintainers; [ patryk27 ];
};
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nodes.machine = { pkgs, ... }: {
virtualisation.writableStore = true;
containers.webserver = {
ephemeral = true;
privateNetwork = true;
hostAddress = "10.231.136.1";
localAddress = "10.231.136.2";
config = {
services.nginx = {
enable = true;
virtualHosts.localhost = {
root = pkgs.runCommand "localhost" {} ''
mkdir "$out"
echo hello world > "$out/index.html"
'';
};
};
networking.firewall.allowedTCPPorts = [ 80 ];
};
};
};
testScript = ''
assert "webserver" in machine.succeed("nixos-container list")
machine.succeed("nixos-container start webserver")
with subtest("Container got its own root folder"):
machine.succeed("ls /run/nixos-containers/webserver")
with subtest("Container persistent directory is not created"):
machine.fail("ls /var/lib/nixos-containers/webserver")
# Since "start" returns after the container has reached
# multi-user.target, we should now be able to access it.
ip = machine.succeed("nixos-container show-ip webserver").rstrip()
machine.succeed(f"ping -n -c1 {ip}")
machine.succeed(f"curl --fail http://{ip}/ > /dev/null")
with subtest("Stop the container"):
machine.succeed("nixos-container stop webserver")
machine.fail(f"curl --fail --connect-timeout 2 http://{ip}/ > /dev/null")
with subtest("Container's root folder was removed"):
machine.fail("ls /run/nixos-containers/webserver")
'';
})