nixpkgs/nixos/tests/systemd-unit-path.nix

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import ./make-test-python.nix ({ pkgs, ... }:
let
exampleScript = pkgs.writeTextFile {
name = "example.sh";
text = ''
#! ${pkgs.runtimeShell} -e
while true; do
echo "Example script running" >&2
${pkgs.coreutils}/bin/sleep 1
done
'';
executable = true;
};
unitFile = pkgs.writeTextFile {
name = "example.service";
text = ''
[Unit]
Description=Example systemd service unit file
[Service]
ExecStart=${exampleScript}
[Install]
WantedBy=multi-user.target
'';
};
in
{
name = "systemd-unit-path";
machine = { pkgs, lib, ... }: {
boot.extraSystemdUnitPaths = [ "/etc/systemd-rw/system" ];
};
testScript = ''
machine.wait_for_unit("multi-user.target")
machine.succeed("mkdir -p /etc/systemd-rw/system")
machine.succeed(
"cp ${unitFile} /etc/systemd-rw/system/example.service"
)
machine.succeed("systemctl start example.service")
machine.succeed("systemctl status example.service | grep 'Active: active'")
'';
})