adding common sssd configuration for subids

Author: Dan Lavu

sssd_test_framework/hosts/client.py

@@ -120,6 +120,7 @@ def backup(self) -> Any:
             backup /etc/krb5.conf "$path/krb5.conf"
             backup /etc/krb5.keytab "$path/krb5.keytab"
             backup /etc/sssd "$path/config"
+            backup /etc/authselect/nsswitch.conf "$path/nsswitch.conf"
             backup /var/log/sssd "$path/logs"
             backup /var/lib/sss "$path/lib"
             backup /home "$path/home"
@@ -162,6 +163,7 @@ def restore(self, backup_data: Any | None) -> None:
             restore "{backup_path}/krb5.conf" /etc/krb5.conf
             restore "{backup_path}/krb5.keytab" /etc/krb5.keytab
             restore "{backup_path}/config" /etc/sssd
+            restore "{backup_path}/nsswitch.conf" /etc/authselect/nsswitch.conf
             restore "{backup_path}/logs" /var/log/sssd
             restore "{backup_path}/lib" /var/lib/sss
             cp --force --archive "{backup_path}/home/*" /home/ || :

sssd_test_framework/utils/sssd.py

@@ -1081,3 +1081,9 @@ def socket_responders(self, responders: list[str] | None = None) -> None:
         for responder in responders:
             socket_unit = f"sssd-{responder}.socket"
             self.sssd.svc.start(socket_unit)
+
+    def subid(self) -> None:
+        """
+        Configure SSSD for subid.
+        """
+        self.sssd.host.conn.run('echo "subid:      sss" >> /etc/authselect/nsswitch.conf')