nixpkgs/nixos/tests/systemd-portabled.nix

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import ./make-test-python.nix ({pkgs, lib, ...}: let
demo-program = pkgs.writeShellScriptBin "demo" ''
while ${pkgs.coreutils}/bin/sleep 3; do
echo Hello World > /dev/null
done
'';
demo-service = pkgs.writeText "demo.service" ''
[Unit]
Description=demo service
Requires=demo.socket
After=demo.socket
[Service]
Type=simple
ExecStart=${demo-program}/bin/demo
Restart=always
[Install]
WantedBy=multi-user.target
Also=demo.socket
'';
demo-socket = pkgs.writeText "demo.socket" ''
[Unit]
Description=demo socket
[Socket]
ListenStream=/run/demo.sock
SocketMode=0666
[Install]
WantedBy=sockets.target
'';
demo-portable = pkgs.portableService {
pname = "demo";
version = "1.0";
description = ''A demo "Portable Service" for a shell program built with nix'';
units = [ demo-service demo-socket ];
};
in {
name = "systemd-portabled";
nodes.machine = {};
testScript = ''
machine.succeed("portablectl")
machine.wait_for_unit("systemd-portabled.service")
machine.succeed("portablectl attach --now --runtime ${demo-portable}/demo_1.0.raw")
machine.wait_for_unit("demo.service")
machine.succeed("portablectl detach --now --runtime demo_1.0")
machine.fail("systemctl status demo.service")
'';
})