def _wait_for_connecting_NM(): """If NM is in connecting state, wait for connection. Return value: NM has got connection.""" if nm.nm_is_connected: return True if nm.nm_is_connecting(): log.debug("waiting for connecting NM (dhcp?)") else: return False i = 0 while nm.nm_is_connecting() and i < constants.NETWORK_CONNECTION_TIMEOUT: i += constants.NETWORK_CONNECTED_CHECK_INTERVAL time.sleep(constants.NETWORK_CONNECTED_CHECK_INTERVAL) if nm.nm_is_connected(): log.debug("connected, waited %d seconds", i) return True log.debug("not connected, waited %d of %d secs", i, constants.NETWORK_CONNECTION_TIMEOUT) return False
def wait_for_connecting_NM(): """If NM is in connecting state, wait for connection. Return value: NM has got connection.""" if nm.nm_is_connected: return True if nm.nm_is_connecting(): log.debug("waiting for connecting NM (dhcp?)") else: return False i = 0 while nm.nm_is_connecting() and i < NETWORK_CONNECTION_TIMEOUT: i += 1 time.sleep(1) if nm.nm_is_connected(): log.debug("connected, waited %d seconds" % i) return True log.debug("not connected, waited %d of %d secs" % (i, NETWORK_CONNECTION_TIMEOUT)) return False
def check_vnc_can_be_started(anaconda): """Check if we can start VNC in the current environment. :returns: if VNC can be started and list of possible reasons why VNC can't be started :rtype: (boot, list) """ error_messages = [] vnc_startup_possible = True # disable VNC over text question when not enough memory is available if blivet.util.total_memory() < isys.MIN_GUI_RAM: error_messages.append( "Not asking for VNC because current memory (%d) < MIN_GUI_RAM (%d)" % (blivet.util.total_memory(), isys.MIN_GUI_RAM)) vnc_startup_possible = False # disable VNC question if text mode is requested and this is a ks install if anaconda.tui_mode and flags.automatedInstall: error_messages.append( "Not asking for VNC because of an automated install") vnc_startup_possible = False # disable VNC question if we were explicitly asked for text in kickstart if anaconda.ksdata.displaymode.displayMode == DISPLAY_MODE_TEXT: error_messages.append( "Not asking for VNC because text mode was explicitly asked for in kickstart" ) vnc_startup_possible = False # disable VNC question if we don't have network if not nm_is_connecting() and not nm_is_connected(): error_messages.append( "Not asking for VNC because we don't have a network") vnc_startup_possible = False # disable VNC question if we don't have Xvnc if not os.access('/usr/bin/Xvnc', os.X_OK): error_messages.append("Not asking for VNC because we don't have Xvnc") vnc_startup_possible = False return vnc_startup_possible, error_messages
def check_vnc_can_be_started(anaconda): """Check if we can start VNC in the current environment. :returns: if VNC can be started and list of possible reasons why VNC can't be started :rtype: (boot, list) """ error_messages = [] vnc_startup_possible = True # disable VNC over text question when not enough memory is available if blivet.util.total_memory() < isys.MIN_GUI_RAM: error_messages.append("Not asking for VNC because current memory (%d) < MIN_GUI_RAM (%d)" % (blivet.util.total_memory(), isys.MIN_GUI_RAM)) vnc_startup_possible = False # disable VNC question if text mode is requested and this is a ks install if anaconda.tui_mode and flags.automatedInstall: error_messages.append("Not asking for VNC because of an automated install") vnc_startup_possible = False # disable VNC question if we were explicitly asked for text in kickstart if anaconda.ksdata.displaymode.displayMode == DISPLAY_MODE_TEXT: error_messages.append("Not asking for VNC because text mode was explicitly asked for in kickstart") vnc_startup_possible = False # disable VNC question if we don't have network if not nm_is_connecting() and not nm_is_connected(): error_messages.append("Not asking for VNC because we don't have a network") vnc_startup_possible = False # disable VNC question if we don't have Xvnc if not os.access('/usr/bin/Xvnc', os.X_OK): error_messages.append("Not asking for VNC because we don't have Xvnc") vnc_startup_possible = False return vnc_startup_possible, error_messages
def setupDisplay(anaconda, options, addons=None): from pyanaconda.ui.tui.simpleline import App from pyanaconda.ui.tui.spokes.askvnc import AskVNCSpoke from pykickstart.constants import DISPLAY_MODE_TEXT from pyanaconda.nm import nm_is_connected, nm_is_connecting from blivet import arch graphical_failed = 0 vncS = vnc.VncServer() # The vnc Server object. vncS.anaconda = anaconda anaconda.displayMode = options.display_mode anaconda.isHeadless = arch.is_s390() if options.vnc: flags.usevnc = True anaconda.displayMode = 'g' vncS.password = options.vncpassword # Only consider vncconnect when vnc is a param if options.vncconnect: cargs = options.vncconnect.split(":") vncS.vncconnecthost = cargs[0] if len(cargs) > 1 and len(cargs[1]) > 0: if len(cargs[1]) > 0: vncS.vncconnectport = cargs[1] if options.xdriver: anaconda.xdriver = options.xdriver anaconda.writeXdriver(root="/") if flags.rescue_mode: return if anaconda.ksdata.vnc.enabled: flags.usevnc = True anaconda.displayMode = 'g' if vncS.password == "": vncS.password = anaconda.ksdata.vnc.password if vncS.vncconnecthost == "": vncS.vncconnecthost = anaconda.ksdata.vnc.host if vncS.vncconnectport == "": vncS.vncconnectport = anaconda.ksdata.vnc.port if anaconda.displayMode == "g": import pkgutil import pyanaconda.ui mods = (tup[1] for tup in pkgutil.iter_modules(pyanaconda.ui.__path__, "pyanaconda.ui.")) if "pyanaconda.ui.gui" not in mods: stdoutLog.warning( "Graphical user interface not available, falling back to text mode" ) anaconda.displayMode = "t" flags.usevnc = False flags.vncquestion = False # disable VNC over text question when not enough memory is available if blivet.util.total_memory() < isys.MIN_GUI_RAM: stdoutLog.warning( "Not asking for VNC because current memory (%d) < MIN_GUI_RAM (%d)", blivet.util.total_memory(), isys.MIN_GUI_RAM) flags.vncquestion = False # disable VNC question if text mode is requested and this is a ks install if anaconda.displayMode == 't' and flags.automatedInstall: stdoutLog.warning("Not asking for VNC because of an automated install") flags.vncquestion = False # disable VNC question if we were explicitly asked for text in kickstart if anaconda.ksdata.displaymode.displayMode == DISPLAY_MODE_TEXT: stdoutLog.warning( "Not asking for VNC because text mode was explicitly asked for in kickstart" ) flags.vncquestion = False # disable VNC question if we don't have network if not nm_is_connecting() and not nm_is_connected(): stdoutLog.warning("Not asking for VNC because we don't have a network") flags.vncquestion = False # disable VNC question if we don't have Xvnc if not os.access('/usr/bin/Xvnc', os.X_OK): stdoutLog.warning("Not asking for VNC because we don't have Xvnc") flags.vncquestion = False # Should we try to start Xorg? want_x = anaconda.displayMode == 'g' and \ not (flags.preexisting_x11 or flags.usevnc) # X on a headless (e.g. s390) system? Nonsense! if want_x and anaconda.isHeadless: stdoutLog.warning(_("DISPLAY variable not set. Starting text mode.")) anaconda.displayMode = 't' graphical_failed = 1 time.sleep(2) want_x = False # Is Xorg is actually available? if want_x and not os.access("/usr/bin/Xorg", os.X_OK): stdoutLog.warning( _("Graphical installation is not available. " "Starting text mode.")) time.sleep(2) anaconda.displayMode = 't' want_x = False if anaconda.displayMode == 't' and flags.vncquestion: #we prefer vnc over text mode, so ask about that message = _("Text mode provides a limited set of installation " "options. It does not offer custom partitioning for " "full control over the disk layout. Would you like " "to use VNC mode instead?") app = App("VNC Question") spoke = AskVNCSpoke(app, anaconda.ksdata, message=message) app.schedule_screen(spoke) app.run() if anaconda.ksdata.vnc.enabled: anaconda.displayMode = 'g' flags.usevnc = True vncS.password = anaconda.ksdata.vnc.password else: # user has explicitly specified text mode flags.vncquestion = False log.info("Display mode = %s", anaconda.displayMode) check_memory(anaconda, options) # check_memory may have changed the display mode want_x = want_x and (anaconda.displayMode == "g") if want_x: try: startX11() doStartupX11Actions() except (OSError, RuntimeError) as e: log.warning("X startup failed: %s", e) stdoutLog.warning("X startup failed, falling back to text mode") anaconda.displayMode = 't' graphical_failed = 1 time.sleep(2) if not graphical_failed: doExtraX11Actions(options.runres) if anaconda.displayMode == 't' and graphical_failed and \ flags.vncquestion and not anaconda.ksdata.vnc.enabled: app = App("VNC Question") spoke = AskVNCSpoke(app, anaconda.ksdata) app.schedule_screen(spoke) app.run() if anaconda.ksdata.vnc.enabled: anaconda.displayMode = 'g' flags.usevnc = True vncS.password = anaconda.ksdata.vnc.password # if they want us to use VNC do that now if anaconda.displayMode == 'g' and flags.usevnc: vncS.startServer() doStartupX11Actions() # with X running we can initialize the UI interface anaconda.initInterface(addons) anaconda.instClass.configure(anaconda) # report if starting the GUI failed anaconda.gui_startup_failed = bool(graphical_failed)
def setupDisplay(anaconda, options, addons=None): from pyanaconda.ui.tui.simpleline import App from pyanaconda.ui.tui.spokes.askvnc import AskVNCSpoke from pykickstart.constants import DISPLAY_MODE_TEXT from pyanaconda.nm import nm_is_connected, nm_is_connecting from blivet import arch graphical_failed = 0 vncS = vnc.VncServer() # The vnc Server object. vncS.anaconda = anaconda anaconda.displayMode = options.display_mode anaconda.isHeadless = arch.is_s390() if options.vnc: flags.usevnc = True anaconda.displayMode = 'g' vncS.password = options.vncpassword # Only consider vncconnect when vnc is a param if options.vncconnect: cargs = options.vncconnect.split(":") vncS.vncconnecthost = cargs[0] if len(cargs) > 1 and len(cargs[1]) > 0: if len(cargs[1]) > 0: vncS.vncconnectport = cargs[1] if options.xdriver: anaconda.xdriver = options.xdriver anaconda.writeXdriver(root="/") if flags.rescue_mode: return if anaconda.ksdata.vnc.enabled: flags.usevnc = True anaconda.displayMode = 'g' if vncS.password == "": vncS.password = anaconda.ksdata.vnc.password if vncS.vncconnecthost == "": vncS.vncconnecthost = anaconda.ksdata.vnc.host if vncS.vncconnectport == "": vncS.vncconnectport = anaconda.ksdata.vnc.port if anaconda.displayMode == "g": import pkgutil import pyanaconda.ui mods = (tup[1] for tup in pkgutil.iter_modules(pyanaconda.ui.__path__, "pyanaconda.ui.")) if "pyanaconda.ui.gui" not in mods: stdoutLog.warning("Graphical user interface not available, falling back to text mode") anaconda.displayMode = "t" flags.usevnc = False flags.vncquestion = False # disable VNC over text question when not enough memory is available if blivet.util.total_memory() < isys.MIN_GUI_RAM: stdoutLog.warning("Not asking for VNC because current memory (%d) < MIN_GUI_RAM (%d)", blivet.util.total_memory(), isys.MIN_GUI_RAM) flags.vncquestion = False # disable VNC question if text mode is requested and this is a ks install if anaconda.displayMode == 't' and flags.automatedInstall: stdoutLog.warning("Not asking for VNC because of an automated install") flags.vncquestion = False # disable VNC question if we were explicitly asked for text in kickstart if anaconda.ksdata.displaymode.displayMode == DISPLAY_MODE_TEXT: stdoutLog.warning("Not asking for VNC because text mode was explicitly asked for in kickstart") flags.vncquestion = False # disable VNC question if we don't have network if not nm_is_connecting() and not nm_is_connected(): stdoutLog.warning("Not asking for VNC because we don't have a network") flags.vncquestion = False # disable VNC question if we don't have Xvnc if not os.access('/usr/bin/Xvnc', os.X_OK): stdoutLog.warning("Not asking for VNC because we don't have Xvnc") flags.vncquestion = False # Should we try to start Xorg? want_x = anaconda.displayMode == 'g' and \ not (flags.preexisting_x11 or flags.usevnc) # X on a headless (e.g. s390) system? Nonsense! if want_x and anaconda.isHeadless: stdoutLog.warning(_("DISPLAY variable not set. Starting text mode.")) anaconda.displayMode = 't' graphical_failed = 1 time.sleep(2) want_x = False # Is Xorg is actually available? if want_x and not os.access("/usr/bin/Xorg", os.X_OK): stdoutLog.warning(_("Graphical installation is not available. " "Starting text mode.")) time.sleep(2) anaconda.displayMode = 't' want_x = False if anaconda.displayMode == 't' and flags.vncquestion: #we prefer vnc over text mode, so ask about that message = _("Text mode provides a limited set of installation " "options. It does not offer custom partitioning for " "full control over the disk layout. Would you like " "to use VNC mode instead?") app = App("VNC Question") spoke = AskVNCSpoke(app, anaconda.ksdata, message=message) app.schedule_screen(spoke) app.run() if anaconda.ksdata.vnc.enabled: anaconda.displayMode = 'g' flags.usevnc = True vncS.password = anaconda.ksdata.vnc.password else: # user has explicitly specified text mode flags.vncquestion = False log.info("Display mode = %s", anaconda.displayMode) check_memory(anaconda, options) # check_memory may have changed the display mode want_x = want_x and (anaconda.displayMode == "g") if want_x: try: startX11() doStartupX11Actions() except (OSError, RuntimeError) as e: log.warning("X startup failed: %s", e) stdoutLog.warning("X startup failed, falling back to text mode") anaconda.displayMode = 't' graphical_failed = 1 time.sleep(2) if not graphical_failed: doExtraX11Actions(options.runres) if anaconda.displayMode == 't' and graphical_failed and \ flags.vncquestion and not anaconda.ksdata.vnc.enabled: app = App("VNC Question") spoke = AskVNCSpoke(app, anaconda.ksdata) app.schedule_screen(spoke) app.run() if anaconda.ksdata.vnc.enabled: anaconda.displayMode = 'g' flags.usevnc = True vncS.password = anaconda.ksdata.vnc.password # if they want us to use VNC do that now if anaconda.displayMode == 'g' and flags.usevnc: vncS.startServer() doStartupX11Actions() # with X running we can initialize the UI interface anaconda.initInterface(addons) anaconda.instClass.configure(anaconda) # report if starting the GUI failed anaconda.gui_startup_failed = bool(graphical_failed)