Add a cmdline option to enabled blivet's auto_dev_updates flag

Resolves: rhbz#2238292

blivet-gui

@@ -73,6 +73,9 @@ def parse_options():
     parser = argparse.ArgumentParser(description="blivet-gui")
     parser.add_argument("-v", "--version", action="store_true", dest="version", default=False,
                         help=_("show version information"))
+    parser.add_argument("--auto-dev-updates", action="store_true", dest="auto_dev_updates", default=False,
+                        help="gather all information about devices even if it requires potentially dangerous operation \
+                              like mounting or filesystem check")
     parser.add_argument("disks", metavar="disk", type=str, nargs="*",
                         help="run blivet-gui only on specified disk(s) (optional)")
 
@@ -106,7 +109,7 @@ def main():
             sockfile = output.split()[0]
 
             client = BlivetGUIClient(server_socket=sockfile)
-            BlivetGUI(client, exclusive_disks=options.disks)
+            BlivetGUI(client, exclusive_disks=options.disks, auto_dev_updates=options.auto_dev_updates)
 
 
 if __name__ == '__main__':

blivetgui/blivet_utils.py

@@ -138,13 +138,11 @@ class BlivetUtils(object):
 
     installer_mode = False
 
-    def __init__(self, ignored_disks=None, exclusive_disks=None):
+    def __init__(self, ignored_disks=None, exclusive_disks=None, flags=None):
 
         self.ignored_disks = ignored_disks
         self.exclusive_disks = exclusive_disks
 
-        self._resizable_filesystems = None
-
         # create our log now, creating blivet.Blivet instance may fail
         # and log some basic information -- version and lsblk output
         _log_file, self.log = set_logging(component="blivet-gui-utils")
@@ -164,9 +162,20 @@ def __init__(self, ignored_disks=None, exclusive_disks=None):
         # ignore zram devices
         blivet.udev.ignored_device_names.append(r"^zram")
 
+        # set blivet flags
+        if flags:
+            self._set_blivet_flags(flags)
+
+        self._resizable_filesystems = None
+
         self.blivet_reset()
         self._update_min_sizes_info()
 
+    def _set_blivet_flags(self, flags):
+        for flag, value in flags.items():
+            self.log.info("setting blivet flag '%s' to '%s'", flag, value)
+            setattr(blivet.flags.flags, flag, value)
+
     @property
     def resizable_filesystems(self):
         if self._resizable_filesystems is None:

blivetgui/blivetgui.py

@@ -67,7 +67,7 @@ class BlivetGUI(object):
 
     installer_mode = False
 
-    def __init__(self, client, exclusive_disks=None):
+    def __init__(self, client, exclusive_disks=None, auto_dev_updates=False):
 
         self.client = client
 
@@ -93,6 +93,10 @@ def __init__(self, client, exclusive_disks=None):
         # supported filesystems
         self._supported_filesystems = []
 
+        self.flags = dict()
+        if auto_dev_updates:
+            self.flags["auto_dev_updates"] = True
+
         # CSS styles
         css_provider = Gtk.CssProvider()
         css_provider.load_from_path(locate_css_file("rectangle.css"))
@@ -787,7 +791,7 @@ def _blivet_init_already_running(self):
 
     def blivet_init(self):
         loading_window = LoadingWindow(self.main_window)
-        ret = self._run_thread(loading_window, self.client.remote_control, ("init", self.ignored_disks, self.exclusive_disks))
+        ret = self._run_thread(loading_window, self.client.remote_control, ("init", self.ignored_disks, self.exclusive_disks, self.flags))
 
         if not ret.success:  # pylint: disable=maybe-no-member
             # blivet-gui is already running --> quit

man/blivet-gui.1

@@ -16,6 +16,9 @@ show this help information and exit
 .TP
 .BR \-v ", " \-\-version
 show version information and exit
+.TP
+.BR \-\-auto\-dev\-updates
+gather all information about devices even if it requires potentially dangerous operation like mounting or filesystem check
 
 .SH EXAMPLES
 You can run blivet-gui from a command line and specify one or more disks.