def start_button_callback(self, check_state, comp, failed_name):
"""Handles the signal for a finished component start displaying user information on a fail.
:param check_state: Status of the component check run after the start
:type check_state: int
:param comp: Component that was started
:type comp: dict
:param failed_name: Name of a dependency that failed during the start process (dummy if none failed)
:type failed_name: str
:return: None
"""
try:
start_state = config.StartState(check_state)
except ValueError:
start_state = None
try:
check_state = config.CheckState(check_state)
except ValueError:
check_state = None
msg = QtGui.QMessageBox()
if check_state is config.CheckState.DEP_FAILED:
msg.setIcon(QtGui.QMessageBox.Warning)
msg.setText("Start process of '%s' was interrupted" % comp['id'])
msg.setInformativeText("Dependency '%s' failed!" % failed_name)
msg.setWindowTitle("Warning")
msg.setStandardButtons(QtGui.QMessageBox.Retry
| QtGui.QMessageBox.Cancel)
self.logger.debug(
"Warning, start process of '%s' was interrupted. Dependency '%s' failed!"
% (comp['id'], failed_name))
retval = msg.exec_()
if retval == QtGui.QMessageBox.Retry:
self.handle_start_button(comp)
elif check_state is config.CheckState.STOPPED:
msg.setIcon(QtGui.QMessageBox.Warning)
msg.setText("Failed starting '%s'" % comp['id'])
msg.setWindowTitle("Warning")
msg.setStandardButtons(QtGui.QMessageBox.Retry
| QtGui.QMessageBox.Cancel)
retval = msg.exec_()
if retval == QtGui.QMessageBox.Retry:
self.handle_start_button(comp)
elif start_state is config.StartState.ALREADY_RUNNING:
self.logger.debug("Component '%s' already running!" % comp['id'])
msg.setIcon(QtGui.QMessageBox.Warning)
msg.setText("Component '%s' already running!" % comp['id'])
msg.setWindowTitle("Warning")
msg.setStandardButtons(QtGui.QMessageBox.Ok)
msg.exec_()
else:
self.logger.debug("Starting '%s' succeeded without interference" %
comp['id'])
return
def check_button_callback(self, check_state, comp_name, popup):
"""Handles the signal for a finished component check execution displaying user information on a fail.
:param check_state: Status returned by the component check
:type check_state: int
:param comp_name: Name of the checked component
:type comp_name: str
:return: None
"""
check_state = config.CheckState(check_state)
check_button = self.centralwidget.findChild(
QtGui.QPushButton, "check_button_%s" % comp_name)
check_button.setStyleSheet(
"background-color: %s" %
config.STATE_CHECK_BUTTON_STYLE.get(check_state))
check_button.setEnabled(True)
if self.animations.has_key("start_%s" % comp_name):
self.animations.pop("start_%s" % comp_name).stop()
start_button = self.centralwidget.findChild(
QtGui.QPushButton, "start_button_%s" % comp_name)
start_button.setColor(QtGui.QColor(255, 255, 255))
start_button.setEnabled(True)
if self.animations.has_key("check_%s" % comp_name):
self.animations.pop("check_%s" % comp_name).stop()
check_button.setColor(QtGui.QColor(255, 255, 255))
if self.animations.has_key("stop_%s" % comp_name):
self.animations.pop("stop_%s" % comp_name).stop()
stop_button = self.centralwidget.findChild(
QtGui.QPushButton, "stop_button_%s" % comp_name)
stop_button.setColor(QtGui.QColor(255, 255, 255))
stop_button.setEnabled(True)
if popup:
if check_state is config.CheckState.NOT_INSTALLED or check_state is config.CheckState.UNREACHABLE:
msg = QtGui.QMessageBox()
msg.setIcon(QtGui.QMessageBox.Critical)
msg.setText(
"'%s' failed with status: %s" %
(comp_name, config.STATE_DESCRIPTION.get(check_state)))
msg.setWindowTitle("Error")
msg.setStandardButtons(QtGui.QMessageBox.Close)
msg.exec_()
def handle_crash_signal(self, check_status, comp_name, unused):
"""Handler for a crash signal event that informs the user of a component crash.
:param check_status: Status generated by the check of the crashed component
:type check_status: int
:param comp_name: Name of the crashed component
:type comp_name: str
:return: None
"""
check_status = config.CheckState(check_status)
if check_status is config.CheckState.STOPPED:
msg = QtGui.QMessageBox()
msg.setIcon(QtGui.QMessageBox.Critical)
msg.setText("Component '%s' crashed!" % comp_name)
msg.setWindowTitle("Error")
msg.setStandardButtons(QtGui.QMessageBox.Close)
msg.exec_()
self.logger.debug("Component %s stopped!" % comp_name)
def refresh(_loop, state_controller, _data=None):
"""Update Hyperion logger and set an automatic trigger for .5 seconds.
:param _loop: Urwid main loop
:param _data:
:param state_controller: Reference to UI manager
:type state_controller: StateController
:return: None
"""
logger = logging.getLogger(__name__)
if state_controller.tail_log:
state_controller.log_viewer.read_file()
state_controller.log_viewer.set_focus(len(state_controller.log_viewer.lines)-1)
# Get selected log, if one is selected
selection, index = state_controller.content_walker.get_focus()
selected = None
if isinstance(selection, urwid.GridFlow):
index = state_controller.additional_content_grid.focus_position
if index > 0: # Not 'All Components/Host Stats' Pile in Grid flow
# Grants LogTextWalker
selected = state_controller.additional_content_grid[index].body
for log_name in state_controller.comp_log_map:
widget = state_controller.comp_log_map.get(log_name)
if widget:
# AttrMap -> LineBox -> BoxAdapter -> ListBox -> LogTextWalker
log = widget.original_widget.original_widget.original_widget.body
log.read_file()
if log is not selected:
log.set_focus(len(log.lines)-1)
event_queue = state_controller.event_queue
while not event_queue.empty():
event = event_queue.get_nowait()
# logger.debug("Got event: %s" % event)
if isinstance(event, events.CheckEvent):
logger.debug("Check event - comp %s; state %s" % (event.comp_id, event.check_state))
state_controller.states[event.comp_id].set_text([
"state: ",
(
'%s' % config.URWID_ATTRIBUTE_FOR_STATE.get(config.CheckState(event.check_state)),
"%s" % config.SHORT_STATE_DESCRIPTION.get(config.CheckState(event.check_state))
)
])
elif isinstance(event, events.StartingEvent):
state_controller.states[event.comp_id].set_text([
"state: STARTING..."
])
elif isinstance(event, events.StoppingEvent):
state_controller.states[event.comp_id].set_text([
"state: STOPPING..."
])
elif isinstance(event, events.CrashEvent):
logger.warning("Component %s crashed!" % event.comp_id)
state_controller.cc.check_component(state_controller.cc.get_component_by_id(event.comp_id))
state_controller.states[event.comp_id].set_text([
"state: ",
('darkred', "CRASHED")
])
elif isinstance(event, events.SlaveReconnectEvent):
logger.warn("Reconnected to slave on '%s'" % event.host_name)
state_controller.fetch_host_items()
elif isinstance(event, events.SlaveDisconnectEvent):
logger.warn("Connection to slave on '%s' lost" % event.host_name)
state_controller.fetch_host_items()
elif isinstance(event, events.DisconnectEvent):
logger.warning("Lost connection to host '%s'" % event.host_name)
state_controller.fetch_host_items()
elif isinstance(event, events.ReconnectEvent):
logger.info("Reconnected to host '%s'" % event.host_name)
state_controller.fetch_host_items()
elif isinstance(event, events.StartReportEvent):
state_controller.start_report_popup(event)
elif isinstance(event, events.ServerDisconnectEvent):
logger.critical("Server disconnected!")
state_controller.handle_shutdown(None, False)
# TODO: Show custom popup with option to quit or cancel
elif isinstance(event, events.ConfigReloadEvent):
state_controller.load_groups_from_config()
state_controller.selected_group = state_controller.groups.keys()[0]
state_controller.fetch_host_items()
state_controller.fetch_components()
elif isinstance(event, events.StatResponseEvent):
state_controller.cc.host_stats[event.hostname] = ['%s' % event.load, '%s' % event.cpu, '%s' % event.mem]
state_controller.fetch_host_items()
else:
logger.debug("Got unrecognized event of type: %s" % type(event))
main_loop.set_alarm_in(.2, refresh, state_controller)
def __str__(self):
return str("CheckEvent - %s: %s" % (self.comp_id, config.STATE_DESCRIPTION.get(config.CheckState(
self.check_state
))))
