mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 23:43:30 +00:00
1119 lines
53 KiB
Nix
1119 lines
53 KiB
Nix
# Test configuration switching.
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import ./make-test-python.nix ({ pkgs, ...} : let
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# Simple service that can either be socket-activated or that will
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# listen on port 1234 if not socket-activated.
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# A connection to the socket causes 'hello' to be written to the client.
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socketTest = pkgs.writeScript "socket-test.py" /* python */ ''
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#!${pkgs.python3}/bin/python3
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from socketserver import TCPServer, StreamRequestHandler
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import socket
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import os
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class Handler(StreamRequestHandler):
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def handle(self):
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self.wfile.write("hello".encode("utf-8"))
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class Server(TCPServer):
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def __init__(self, server_address, handler_cls):
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listenFds = os.getenv('LISTEN_FDS')
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if listenFds is None or int(listenFds) < 1:
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print(f'Binding to {server_address}')
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TCPServer.__init__(
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self, server_address, handler_cls, bind_and_activate=True)
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else:
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TCPServer.__init__(
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self, server_address, handler_cls, bind_and_activate=False)
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# Override socket
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print(f'Got activated by {os.getenv("LISTEN_FDNAMES")} '
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f'with {listenFds} FDs')
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self.socket = socket.fromfd(3, self.address_family,
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self.socket_type)
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if __name__ == "__main__":
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server = Server(("localhost", 1234), Handler)
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server.serve_forever()
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'';
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in {
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name = "switch-test";
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meta = with pkgs.lib.maintainers; {
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maintainers = [ gleber das_j ];
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};
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nodes = {
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machine = { pkgs, lib, ... }: {
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environment.systemPackages = [ pkgs.socat ]; # for the socket activation stuff
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users.mutableUsers = false;
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# For boot/switch testing
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system.build.installBootLoader = lib.mkForce (pkgs.writeShellScript "install-dummy-loader" ''
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echo "installing dummy bootloader"
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touch /tmp/bootloader-installed
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'');
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specialisation = rec {
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simpleService.configuration = {
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systemd.services.test = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/true";
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ExecReload = "${pkgs.coreutils}/bin/true";
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};
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};
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};
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simpleServiceSeparateActivationScript.configuration = {
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system.activatable = false;
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systemd.services.test = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/true";
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ExecReload = "${pkgs.coreutils}/bin/true";
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};
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};
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};
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simpleServiceDifferentDescription.configuration = {
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imports = [ simpleService.configuration ];
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systemd.services.test.description = "Test unit";
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};
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simpleServiceModified.configuration = {
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imports = [ simpleService.configuration ];
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systemd.services.test.serviceConfig.X-Test = true;
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};
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simpleServiceNostop.configuration = {
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imports = [ simpleService.configuration ];
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systemd.services.test.stopIfChanged = false;
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};
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simpleServiceReload.configuration = {
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imports = [ simpleService.configuration ];
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systemd.services.test = {
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reloadIfChanged = true;
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serviceConfig.ExecReload = "${pkgs.coreutils}/bin/true";
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};
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};
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simpleServiceNorestart.configuration = {
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imports = [ simpleService.configuration ];
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systemd.services.test.restartIfChanged = false;
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};
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simpleServiceFailing.configuration = {
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imports = [ simpleServiceModified.configuration ];
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systemd.services.test.serviceConfig.ExecStart = lib.mkForce "${pkgs.coreutils}/bin/false";
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};
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autorestartService.configuration = {
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# A service that immediately goes into restarting (but without failing)
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systemd.services.autorestart = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "simple";
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Restart = "always";
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RestartSec = "20y"; # Should be long enough
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ExecStart = "${pkgs.coreutils}/bin/true";
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};
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};
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};
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autorestartServiceFailing.configuration = {
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imports = [ autorestartService.configuration ];
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systemd.services.autorestart.serviceConfig = {
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ExecStart = lib.mkForce "${pkgs.coreutils}/bin/false";
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};
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};
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simpleServiceWithExtraSection.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.packages = [ (pkgs.writeTextFile {
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name = "systemd-extra-section";
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destination = "/etc/systemd/system/test.service";
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text = ''
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[X-Test]
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X-Test-Value=a
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'';
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}) ];
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};
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simpleServiceWithExtraSectionOtherName.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.packages = [ (pkgs.writeTextFile {
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name = "systemd-extra-section";
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destination = "/etc/systemd/system/test.service";
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text = ''
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[X-Test2]
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X-Test-Value=a
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'';
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}) ];
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};
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simpleServiceWithInstallSection.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.packages = [ (pkgs.writeTextFile {
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name = "systemd-extra-section";
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destination = "/etc/systemd/system/test.service";
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text = ''
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[Install]
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WantedBy=multi-user.target
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'';
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}) ];
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};
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simpleServiceWithExtraKey.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.services.test.serviceConfig."X-Test" = "test";
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};
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simpleServiceWithExtraKeyOtherValue.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.services.test.serviceConfig."X-Test" = "test2";
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};
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simpleServiceWithExtraKeyOtherName.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.services.test.serviceConfig."X-Test2" = "test";
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};
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simpleServiceReloadTrigger.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.services.test.reloadTriggers = [ "/dev/null" ];
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};
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simpleServiceReloadTriggerModified.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.services.test.reloadTriggers = [ "/dev/zero" ];
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};
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simpleServiceReloadTriggerModifiedAndSomethingElse.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.services.test = {
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reloadTriggers = [ "/dev/zero" ];
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serviceConfig."X-Test" = "test";
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};
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};
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simpleServiceReloadTriggerModifiedSomethingElse.configuration = {
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imports = [ simpleServiceNostop.configuration ];
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systemd.services.test.serviceConfig."X-Test" = "test";
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};
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unitWithBackslash.configuration = {
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systemd.services."escaped\\x2ddash" = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/true";
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ExecReload = "${pkgs.coreutils}/bin/true";
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};
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};
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};
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unitWithBackslashModified.configuration = {
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imports = [ unitWithBackslash.configuration ];
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systemd.services."escaped\\x2ddash".serviceConfig.X-Test = "test";
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};
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unitStartingWithDash.configuration = {
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systemd.services."-" = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/true";
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};
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};
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};
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unitStartingWithDashModified.configuration = {
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imports = [ unitStartingWithDash.configuration ];
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systemd.services."-" = {
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reloadIfChanged = true;
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serviceConfig.ExecReload = "${pkgs.coreutils}/bin/true";
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};
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};
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unitWithRequirement.configuration = {
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systemd.services.required-service = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/true";
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ExecReload = "${pkgs.coreutils}/bin/true";
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};
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};
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systemd.services.test-service = {
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wantedBy = [ "multi-user.target" ];
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requires = [ "required-service.service" ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/true";
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ExecReload = "${pkgs.coreutils}/bin/true";
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};
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};
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};
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unitWithRequirementModified.configuration = {
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imports = [ unitWithRequirement.configuration ];
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systemd.services.required-service.serviceConfig.X-Test = "test";
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systemd.services.test-service.reloadTriggers = [ "test" ];
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};
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unitWithRequirementModifiedNostart.configuration = {
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imports = [ unitWithRequirement.configuration ];
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systemd.services.test-service.unitConfig.RefuseManualStart = true;
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};
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restart-and-reload-by-activation-script.configuration = {
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systemd.services = rec {
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simple-service = {
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# No wantedBy so we can check if the activation script restart triggers them
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/true";
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ExecReload = "${pkgs.coreutils}/bin/true";
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};
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};
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simple-restart-service = simple-service // {
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stopIfChanged = false;
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};
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simple-reload-service = simple-service // {
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reloadIfChanged = true;
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};
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no-restart-service = simple-service // {
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restartIfChanged = false;
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};
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reload-triggers = simple-service // {
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wantedBy = [ "multi-user.target" ];
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};
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reload-triggers-and-restart-by-as = simple-service;
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reload-triggers-and-restart = simple-service // {
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stopIfChanged = false; # easier to check for this
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wantedBy = [ "multi-user.target" ];
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};
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};
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system.activationScripts.restart-and-reload-test = {
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supportsDryActivation = true;
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deps = [];
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text = ''
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if [ "$NIXOS_ACTION" = dry-activate ]; then
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f=/run/nixos/dry-activation-restart-list
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g=/run/nixos/dry-activation-reload-list
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else
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f=/run/nixos/activation-restart-list
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g=/run/nixos/activation-reload-list
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fi
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cat <<EOF >> "$f"
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simple-service.service
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simple-restart-service.service
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simple-reload-service.service
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no-restart-service.service
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reload-triggers-and-restart-by-as.service
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EOF
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cat <<EOF >> "$g"
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reload-triggers.service
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reload-triggers-and-restart-by-as.service
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reload-triggers-and-restart.service
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EOF
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'';
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};
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};
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restart-and-reload-by-activation-script-modified.configuration = {
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imports = [ restart-and-reload-by-activation-script.configuration ];
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systemd.services.reload-triggers-and-restart.serviceConfig.X-Modified = "test";
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};
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simple-socket.configuration = {
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systemd.services.socket-activated = {
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description = "A socket-activated service";
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stopIfChanged = lib.mkDefault false;
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serviceConfig = {
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ExecStart = socketTest;
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ExecReload = "${pkgs.coreutils}/bin/true";
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};
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};
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systemd.sockets.socket-activated = {
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wantedBy = [ "sockets.target" ];
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listenStreams = [ "/run/test.sock" ];
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socketConfig.SocketMode = lib.mkDefault "0777";
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};
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};
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simple-socket-service-modified.configuration = {
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imports = [ simple-socket.configuration ];
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systemd.services.socket-activated.serviceConfig.X-Test = "test";
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};
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simple-socket-stop-if-changed.configuration = {
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imports = [ simple-socket.configuration ];
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systemd.services.socket-activated.stopIfChanged = true;
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};
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simple-socket-stop-if-changed-and-reloadtrigger.configuration = {
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imports = [ simple-socket.configuration ];
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systemd.services.socket-activated = {
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stopIfChanged = true;
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reloadTriggers = [ "test" ];
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};
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};
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mount.configuration = {
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systemd.mounts = [
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{
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description = "Testmount";
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what = "tmpfs";
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type = "tmpfs";
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where = "/testmount";
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options = "size=1M";
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wantedBy = [ "local-fs.target" ];
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}
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];
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};
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mountModified.configuration = {
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systemd.mounts = [
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{
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description = "Testmount";
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what = "tmpfs";
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type = "tmpfs";
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where = "/testmount";
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options = "size=10M";
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wantedBy = [ "local-fs.target" ];
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}
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];
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};
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timer.configuration = {
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systemd.timers.test-timer = {
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wantedBy = [ "timers.target" ];
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timerConfig.OnCalendar = "@1395716396"; # chosen by fair dice roll
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};
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systemd.services.test-timer = {
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkgs.coreutils}/bin/true";
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};
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};
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};
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timerModified.configuration = {
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imports = [ timer.configuration ];
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systemd.timers.test-timer.timerConfig.OnCalendar = lib.mkForce "Fri 2012-11-23 16:00:00";
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};
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hybridSleepModified.configuration = {
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systemd.targets.hybrid-sleep.unitConfig.X-Test = true;
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};
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target.configuration = {
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systemd.targets.test-target.wantedBy = [ "multi-user.target" ];
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# We use this service to figure out whether the target was modified.
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# This is the only way because targets are filtered and therefore not
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# printed when they are started/stopped.
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systemd.services.test-service = {
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bindsTo = [ "test-target.target" ];
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serviceConfig.ExecStart = "${pkgs.coreutils}/bin/sleep infinity";
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};
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};
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targetModified.configuration = {
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imports = [ target.configuration ];
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systemd.targets.test-target.unitConfig.X-Test = true;
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};
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targetModifiedStopOnReconfig.configuration = {
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imports = [ target.configuration ];
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systemd.targets.test-target.unitConfig.X-StopOnReconfiguration = true;
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};
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path.configuration = {
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systemd.paths.test-watch = {
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wantedBy = [ "paths.target" ];
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pathConfig.PathExists = "/testpath";
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};
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systemd.services.test-watch = {
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/touch /testpath-modified";
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};
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};
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};
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pathModified.configuration = {
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imports = [ path.configuration ];
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systemd.paths.test-watch.pathConfig.PathExists = lib.mkForce "/testpath2";
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};
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slice.configuration = {
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systemd.slices.testslice.sliceConfig.MemoryMax = "1"; # don't allow memory allocation
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systemd.services.testservice = {
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/true";
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Slice = "testslice.slice";
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};
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};
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};
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sliceModified.configuration = {
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imports = [ slice.configuration ];
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systemd.slices.testslice.sliceConfig.MemoryMax = lib.mkForce null;
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};
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};
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};
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other = {
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users.mutableUsers = true;
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};
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};
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testScript = { nodes, ... }: let
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originalSystem = nodes.machine.system.build.toplevel;
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otherSystem = nodes.other.system.build.toplevel;
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machine = nodes.machine.system.build.toplevel;
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# Ensures failures pass through using pipefail, otherwise failing to
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# switch-to-configuration is hidden by the success of `tee`.
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stderrRunner = pkgs.writeScript "stderr-runner" ''
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#! ${pkgs.runtimeShell}
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set -e
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set -o pipefail
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exec env -i "$@" | tee /dev/stderr
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'';
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in /* python */ ''
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def switch_to_specialisation(system, name, action="test", fail=False):
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if name == "":
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switcher = f"{system}/bin/switch-to-configuration"
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else:
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switcher = f"{system}/specialisation/{name}/bin/switch-to-configuration"
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return run_switch(switcher, action, fail)
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# like above but stc = switcher
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def run_switch(switcher, action="test", fail=False):
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out = machine.fail(f"{switcher} {action} 2>&1") if fail \
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else machine.succeed(f"{switcher} {action} 2>&1")
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assert_lacks(out, "switch-to-configuration line") # Perl warnings
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return out
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|
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def assert_contains(haystack, needle):
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if needle not in haystack:
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print("The haystack that will cause the following exception is:")
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print("---")
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print(haystack)
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print("---")
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raise Exception(f"Expected string '{needle}' was not found")
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def assert_lacks(haystack, needle):
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if needle in haystack:
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print("The haystack that will cause the following exception is:")
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print("---")
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print(haystack, end="")
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print("---")
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raise Exception(f"Unexpected string '{needle}' was found")
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|
|
machine.wait_for_unit("multi-user.target")
|
|
|
|
machine.succeed(
|
|
"${stderrRunner} ${originalSystem}/bin/switch-to-configuration test"
|
|
)
|
|
# This tests whether the /etc/os-release parser works which is a fallback
|
|
# when /etc/NIXOS is missing. If the parser does not work, switch-to-configuration
|
|
# would fail.
|
|
machine.succeed("rm /etc/NIXOS")
|
|
machine.succeed(
|
|
"${stderrRunner} ${otherSystem}/bin/switch-to-configuration test"
|
|
)
|
|
|
|
|
|
with subtest("actions"):
|
|
# boot action
|
|
machine.fail("test -f /tmp/bootloader-installed")
|
|
out = switch_to_specialisation("${machine}", "simpleService", action="boot")
|
|
assert_contains(out, "installing dummy bootloader")
|
|
assert_lacks(out, "activating the configuration...") # good indicator of a system activation
|
|
machine.succeed("test -f /tmp/bootloader-installed")
|
|
machine.succeed("rm /tmp/bootloader-installed")
|
|
|
|
# switch action
|
|
machine.fail("test -f /tmp/bootloader-installed")
|
|
out = switch_to_specialisation("${machine}", "", action="switch")
|
|
assert_contains(out, "installing dummy bootloader")
|
|
assert_contains(out, "activating the configuration...") # good indicator of a system activation
|
|
machine.succeed("test -f /tmp/bootloader-installed")
|
|
|
|
# test and dry-activate actions are tested further down below
|
|
|
|
with subtest("services"):
|
|
switch_to_specialisation("${machine}", "")
|
|
# Nothing happens when nothing is changed
|
|
out = switch_to_specialisation("${machine}", "")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Start a simple service
|
|
out = switch_to_specialisation("${machine}", "simpleService")
|
|
assert_lacks(out, "installing dummy bootloader") # test does not install a bootloader
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: dbus.service\n") # huh
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: test.service\n")
|
|
|
|
# Not changing anything doesn't do anything
|
|
out = switch_to_specialisation("${machine}", "simpleService")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Only changing the description does nothing
|
|
out = switch_to_specialisation("${machine}", "simpleServiceDifferentDescription")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Restart the simple service
|
|
out = switch_to_specialisation("${machine}", "simpleServiceModified")
|
|
assert_contains(out, "stopping the following units: test.service\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_contains(out, "\nstarting the following units: test.service\n")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Restart the service with stopIfChanged=false
|
|
out = switch_to_specialisation("${machine}", "simpleServiceNostop")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Reload the service with reloadIfChanged=true
|
|
out = switch_to_specialisation("${machine}", "simpleServiceReload")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: test.service\n")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Nothing happens when restartIfChanged=false
|
|
out = switch_to_specialisation("${machine}", "simpleServiceNorestart")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_contains(out, "NOT restarting the following changed units: test.service\n")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Dry mode shows different messages
|
|
out = switch_to_specialisation("${machine}", "simpleService", action="dry-activate")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
assert_contains(out, "would start the following units: test.service\n")
|
|
|
|
out = switch_to_specialisation("${machine}", "", action="test")
|
|
|
|
# Ensure the service can be started when the activation script isn't in toplevel
|
|
# This is a lot like "Start a simple service", except activation-only deps could be gc-ed
|
|
out = run_switch("${nodes.machine.specialisation.simpleServiceSeparateActivationScript.configuration.system.build.separateActivationScript}/bin/switch-to-configuration");
|
|
assert_lacks(out, "installing dummy bootloader") # test does not install a bootloader
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: dbus.service\n") # huh
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: test.service\n")
|
|
machine.succeed("! test -e /run/current-system/activate")
|
|
machine.succeed("! test -e /run/current-system/dry-activate")
|
|
machine.succeed("! test -e /run/current-system/bin/switch-to-configuration")
|
|
|
|
# Ensure \ works in unit names
|
|
out = switch_to_specialisation("${machine}", "unitWithBackslash")
|
|
assert_contains(out, "stopping the following units: test.service\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: escaped\\x2ddash.service\n")
|
|
|
|
out = switch_to_specialisation("${machine}", "unitWithBackslashModified")
|
|
assert_contains(out, "stopping the following units: escaped\\x2ddash.service\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_contains(out, "\nstarting the following units: escaped\\x2ddash.service\n")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Ensure units can start with a dash
|
|
out = switch_to_specialisation("${machine}", "unitStartingWithDash")
|
|
assert_contains(out, "stopping the following units: escaped\\x2ddash.service\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: -.service\n")
|
|
|
|
# The regression only occurs when reloading units
|
|
out = switch_to_specialisation("${machine}", "unitStartingWithDashModified")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: -.service")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Ensure units that require changed units are properly reloaded
|
|
out = switch_to_specialisation("${machine}", "unitWithRequirement")
|
|
assert_contains(out, "stopping the following units: -.service\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: required-service.service, test-service.service\n")
|
|
|
|
out = switch_to_specialisation("${machine}", "unitWithRequirementModified")
|
|
assert_contains(out, "stopping the following units: required-service.service\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_contains(out, "\nstarting the following units: required-service.service, test-service.service\n")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Unless the unit asks to be not restarted
|
|
out = switch_to_specialisation("${machine}", "unitWithRequirementModifiedNostart")
|
|
assert_contains(out, "stopping the following units: required-service.service\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_contains(out, "\nstarting the following units: required-service.service\n")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
with subtest("failing units"):
|
|
# Let the simple service fail
|
|
switch_to_specialisation("${machine}", "simpleServiceModified")
|
|
out = switch_to_specialisation("${machine}", "simpleServiceFailing", fail=True)
|
|
assert_contains(out, "stopping the following units: test.service\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_contains(out, "\nstarting the following units: test.service\n")
|
|
assert_lacks(out, "the following new units were started:")
|
|
assert_contains(out, "warning: the following units failed: test.service\n")
|
|
assert_contains(out, "Main PID:") # output of systemctl
|
|
|
|
# A unit that gets into autorestart without failing is not treated as failed
|
|
out = switch_to_specialisation("${machine}", "autorestartService")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: autorestart.service\n")
|
|
machine.systemctl('stop autorestart.service') # cancel the 20y timer
|
|
|
|
# Switching to the same system should do nothing (especially not treat the unit as failed)
|
|
out = switch_to_specialisation("${machine}", "autorestartService")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: autorestart.service\n")
|
|
machine.systemctl('stop autorestart.service') # cancel the 20y timer
|
|
|
|
# If systemd thinks the unit has failed and is in autorestart, we should show it as failed
|
|
out = switch_to_specialisation("${machine}", "autorestartServiceFailing", fail=True)
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
assert_contains(out, "warning: the following units failed: autorestart.service\n")
|
|
assert_contains(out, "Main PID:") # output of systemctl
|
|
|
|
with subtest("unit file parser"):
|
|
# Switch to a well-known state
|
|
switch_to_specialisation("${machine}", "simpleServiceNostop")
|
|
|
|
# Add a section
|
|
out = switch_to_specialisation("${machine}", "simpleServiceWithExtraSection")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Rename it
|
|
out = switch_to_specialisation("${machine}", "simpleServiceWithExtraSectionOtherName")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Remove it
|
|
out = switch_to_specialisation("${machine}", "simpleServiceNostop")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# [Install] section is ignored
|
|
out = switch_to_specialisation("${machine}", "simpleServiceWithInstallSection")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Add a key
|
|
out = switch_to_specialisation("${machine}", "simpleServiceWithExtraKey")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Change its value
|
|
out = switch_to_specialisation("${machine}", "simpleServiceWithExtraKeyOtherValue")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Rename it
|
|
out = switch_to_specialisation("${machine}", "simpleServiceWithExtraKeyOtherName")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Remove it
|
|
out = switch_to_specialisation("${machine}", "simpleServiceNostop")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Add a reload trigger
|
|
out = switch_to_specialisation("${machine}", "simpleServiceReloadTrigger")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: test.service\n")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Modify the reload trigger
|
|
out = switch_to_specialisation("${machine}", "simpleServiceReloadTriggerModified")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: test.service\n")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Modify the reload trigger and something else
|
|
out = switch_to_specialisation("${machine}", "simpleServiceReloadTriggerModifiedAndSomethingElse")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Remove the reload trigger
|
|
out = switch_to_specialisation("${machine}", "simpleServiceReloadTriggerModifiedSomethingElse")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
with subtest("restart and reload by activation script"):
|
|
switch_to_specialisation("${machine}", "simpleServiceNorestart")
|
|
out = switch_to_specialisation("${machine}", "restart-and-reload-by-activation-script")
|
|
assert_contains(out, "stopping the following units: test.service\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "restarting the following units:")
|
|
assert_contains(out, "\nstarting the following units: no-restart-service.service, reload-triggers-and-restart-by-as.service, simple-reload-service.service, simple-restart-service.service, simple-service.service\n")
|
|
assert_contains(out, "the following new units were started: no-restart-service.service, reload-triggers-and-restart-by-as.service, reload-triggers-and-restart.service, reload-triggers.service, simple-reload-service.service, simple-restart-service.service, simple-service.service\n")
|
|
# Switch to the same system where the example services get restarted
|
|
# and reloaded by the activation script
|
|
out = switch_to_specialisation("${machine}", "restart-and-reload-by-activation-script")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: reload-triggers-and-restart.service, reload-triggers.service, simple-reload-service.service\n")
|
|
assert_contains(out, "restarting the following units: reload-triggers-and-restart-by-as.service, simple-restart-service.service, simple-service.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
# Switch to the same system and see if the service gets restarted when it's modified
|
|
# while the fact that it's supposed to be reloaded by the activation script is ignored.
|
|
out = switch_to_specialisation("${machine}", "restart-and-reload-by-activation-script-modified")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: reload-triggers.service, simple-reload-service.service\n")
|
|
assert_contains(out, "restarting the following units: reload-triggers-and-restart-by-as.service, reload-triggers-and-restart.service, simple-restart-service.service, simple-service.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
# The same, but in dry mode
|
|
out = switch_to_specialisation("${machine}", "restart-and-reload-by-activation-script", action="dry-activate")
|
|
assert_lacks(out, "would stop the following units:")
|
|
assert_lacks(out, "would NOT stop the following changed units:")
|
|
assert_contains(out, "would reload the following units: reload-triggers.service, simple-reload-service.service\n")
|
|
assert_contains(out, "would restart the following units: reload-triggers-and-restart-by-as.service, reload-triggers-and-restart.service, simple-restart-service.service, simple-service.service\n")
|
|
assert_lacks(out, "\nwould start the following units:")
|
|
|
|
with subtest("socket-activated services"):
|
|
# Socket-activated services don't get started, just the socket
|
|
machine.fail("[ -S /run/test.sock ]")
|
|
out = switch_to_specialisation("${machine}", "simple-socket")
|
|
# assert_lacks(out, "stopping the following units:") not relevant
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: socket-activated.socket\n")
|
|
machine.succeed("[ -S /run/test.sock ]")
|
|
|
|
# Changing a non-activated service does nothing
|
|
out = switch_to_specialisation("${machine}", "simple-socket-service-modified")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
machine.succeed("[ -S /run/test.sock ]")
|
|
# The unit is properly activated when the socket is accessed
|
|
if machine.succeed("socat - UNIX-CONNECT:/run/test.sock") != "hello":
|
|
raise Exception("Socket was not properly activated") # idk how that would happen tbh
|
|
|
|
# Changing an activated service with stopIfChanged=false restarts the service
|
|
out = switch_to_specialisation("${machine}", "simple-socket")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: socket-activated.service\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
machine.succeed("[ -S /run/test.sock ]")
|
|
# Socket-activation of the unit still works
|
|
if machine.succeed("socat - UNIX-CONNECT:/run/test.sock") != "hello":
|
|
raise Exception("Socket was not properly activated after the service was restarted")
|
|
|
|
# Changing an activated service with stopIfChanged=true stops the service and
|
|
# socket and starts the socket
|
|
out = switch_to_specialisation("${machine}", "simple-socket-stop-if-changed")
|
|
assert_contains(out, "stopping the following units: socket-activated.service, socket-activated.socket\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_contains(out, "\nstarting the following units: socket-activated.socket\n")
|
|
assert_lacks(out, "the following new units were started:")
|
|
machine.succeed("[ -S /run/test.sock ]")
|
|
# Socket-activation of the unit still works
|
|
if machine.succeed("socat - UNIX-CONNECT:/run/test.sock") != "hello":
|
|
raise Exception("Socket was not properly activated after the service was restarted")
|
|
|
|
# Changing a reload trigger of a socket-activated unit only reloads it
|
|
out = switch_to_specialisation("${machine}", "simple-socket-stop-if-changed-and-reloadtrigger")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: socket-activated.service\n")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units: socket-activated.socket")
|
|
assert_lacks(out, "the following new units were started:")
|
|
machine.succeed("[ -S /run/test.sock ]")
|
|
# Socket-activation of the unit still works
|
|
if machine.succeed("socat - UNIX-CONNECT:/run/test.sock") != "hello":
|
|
raise Exception("Socket was not properly activated after the service was restarted")
|
|
|
|
with subtest("mounts"):
|
|
switch_to_specialisation("${machine}", "mount")
|
|
out = machine.succeed("mount | grep 'on /testmount'")
|
|
assert_contains(out, "size=1024k")
|
|
out = switch_to_specialisation("${machine}", "mountModified")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_contains(out, "reloading the following units: testmount.mount\n")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
# It changed
|
|
out = machine.succeed("mount | grep 'on /testmount'")
|
|
assert_contains(out, "size=10240k")
|
|
|
|
with subtest("timers"):
|
|
switch_to_specialisation("${machine}", "timer")
|
|
out = machine.succeed("systemctl show test-timer.timer")
|
|
assert_contains(out, "OnCalendar=2014-03-25 02:59:56 UTC")
|
|
out = switch_to_specialisation("${machine}", "timerModified")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_contains(out, "\nrestarting the following units: test-timer.timer\n")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
# It changed
|
|
out = machine.succeed("systemctl show test-timer.timer")
|
|
assert_contains(out, "OnCalendar=Fri 2012-11-23 16:00:00")
|
|
|
|
with subtest("targets"):
|
|
# Modifying some special targets like hybrid-sleep.target does nothing
|
|
out = switch_to_specialisation("${machine}", "hybridSleepModified")
|
|
assert_contains(out, "stopping the following units: test-timer.timer\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
|
|
# Adding a new target starts it
|
|
out = switch_to_specialisation("${machine}", "target")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: test-target.target\n")
|
|
|
|
# Changing a target doesn't print anything because the unit is filtered
|
|
machine.systemctl("start test-service.service")
|
|
out = switch_to_specialisation("${machine}", "targetModified")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
machine.succeed("systemctl is-active test-service.service") # target was not restarted
|
|
|
|
# With X-StopOnReconfiguration, the target gets stopped and started
|
|
out = switch_to_specialisation("${machine}", "targetModifiedStopOnReconfig")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
machine.fail("systemctl is-active test-service.servce") # target was restarted
|
|
|
|
# Remove the target by switching to the old specialisation
|
|
out = switch_to_specialisation("${machine}", "timerModified")
|
|
assert_contains(out, "stopping the following units: test-target.target\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: test-timer.timer\n")
|
|
|
|
with subtest("paths"):
|
|
out = switch_to_specialisation("${machine}", "path")
|
|
assert_contains(out, "stopping the following units: test-timer.timer\n")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_contains(out, "the following new units were started: test-watch.path\n")
|
|
machine.fail("test -f /testpath-modified")
|
|
|
|
# touch the file, unit should be triggered
|
|
machine.succeed("touch /testpath")
|
|
machine.wait_until_succeeds("test -f /testpath-modified")
|
|
machine.succeed("rm /testpath /testpath-modified")
|
|
machine.systemctl("stop test-watch.service")
|
|
switch_to_specialisation("${machine}", "pathModified")
|
|
machine.succeed("touch /testpath")
|
|
machine.fail("test -f /testpath-modified")
|
|
machine.succeed("touch /testpath2")
|
|
machine.wait_until_succeeds("test -f /testpath-modified")
|
|
|
|
# This test ensures that changes to slice configuration get applied.
|
|
# We test this by having a slice that allows no memory allocation at
|
|
# all and starting a service within it. If the service crashes, the slice
|
|
# is applied and if we modify the slice to allow memory allocation, the
|
|
# service should successfully start.
|
|
with subtest("slices"):
|
|
machine.succeed("echo 0 > /proc/sys/vm/panic_on_oom") # allow OOMing
|
|
out = switch_to_specialisation("${machine}", "slice")
|
|
# assert_lacks(out, "stopping the following units:") not relevant
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
machine.fail("systemctl start testservice.service")
|
|
|
|
out = switch_to_specialisation("${machine}", "sliceModified")
|
|
assert_lacks(out, "stopping the following units:")
|
|
assert_lacks(out, "NOT restarting the following changed units:")
|
|
assert_lacks(out, "reloading the following units:")
|
|
assert_lacks(out, "\nrestarting the following units:")
|
|
assert_lacks(out, "\nstarting the following units:")
|
|
assert_lacks(out, "the following new units were started:")
|
|
machine.succeed("systemctl start testservice.service")
|
|
machine.succeed("echo 1 > /proc/sys/vm/panic_on_oom") # disallow OOMing
|
|
'';
|
|
})
|