Fix wrong systemd config: "Supervising process X which is not our child. We'll most likely not notice when it exits."

Thanks to @zMatt from https://web.libera.chat/#beagle

Author: zero88

cli/python/src/client/cmd_client.py

@@ -276,7 +276,7 @@ def do_install(self, service_opts: UnixServiceOpts, auto_startup: bool = False):
         _, cmd = EnvHelper.build_executable_command()
         svc_opts = self._standard_service_opt(service_opts)
         self.device.unix_service.create(svc_opts, {
-            '{{WORKING_DIR}}': f'{self.opts.vpn_dir}', '{{PID_FILE}}': f'{self.opts.pid_file}',
+            '{{WORKING_DIR}}': f'{self.opts.vpn_dir}',
             '{{VPN_DESC}}': svc_opts.service_name,
             '{{START_CMD}}': f'{cmd} start --vpn-dir {self.opts.vpn_dir}',
             '{{STOP_CMD}}': f'{cmd} stop --vpn-dir {self.opts.vpn_dir}'

cli/python/src/client/device_resolver.py

@@ -704,7 +704,7 @@ def kind(self) -> UnixServiceType:
 
     @property
     def standard_service_dir(self) -> str:
-        return '/lib/systemd/system'
+        return '/etc/systemd/system'
 
     def create(self, svc_opts: UnixServiceOpts, replacements: dict, auto_startup: bool = False):
         service_fqn = self.to_service_fqn(svc_opts.service_dir, svc_opts.service_name)

cli/python/src/client/resources/playio-vpn.service.tmpl

@@ -11,7 +11,6 @@ WorkingDirectory={{WORKING_DIR}}
 ExecStart={{START_CMD}}
 ExecStop={{STOP_CMD}}
 TimeoutStartSec=0
-PIDFile={{PID_FILE}}
 
 # Hardening
 PrivateTmp=yes