def listStatus(self):
""" Lists the status of all components in this project. """
self.getConfig()
self.initialize([c.name for c in self.config.components])
print "%-20s %-20s %-20s" % ('COMPONENT', 'STATUS', 'IMAGE ID')
for component in self.components:
state = ComponentState(self.project_name, component, self.etcd_client).getState()
status = ComponentState.getStatusOf(state)
imageid = ComponentState.getImageIdOf(state)
print "%-20s %-20s %-20s" % (component.getName(), status, imageid)
def listStatus(self):
""" Lists the status of all components in this project. """
self.getConfig()
self.initialize([c.name for c in self.config.components])
print "%-20s %-20s %-20s" % ('COMPONENT', 'STATUS', 'IMAGE ID')
for component in self.components:
state = ComponentState(self.project_name, component,
self.etcd_client).getState()
status = ComponentState.getStatusOf(state)
imageid = ComponentState.getImageIdOf(state)
print "%-20s %-20s %-20s" % (component.getName(), status, imageid)
def handleReady(self, state, was_initial_check):
""" Handles when the component has been marked as ready. """
# If the status is ready, we update the component if:
# - The ID of the component's image does not match that found in the status.
# - The process is not running.
imageid = ComponentState.getImageIdOf(state)
imageid_different = imageid != self.component.getImageId()
should_update = not self.is_running or imageid_different
if should_update:
self.is_running = False
self.monitor_event.clear()
# We need to update this machine's copy. First, do a test and set to ensure that
# we are the only machine allowed to update. If the test and set fails, we'll
# try again in 10s.
if imageid_different:
report('Detected pushed update for component ' +
self.component.getName(),
project=self.project_name,
component=self.component)
else:
report('Component %s is not running; starting' %
self.component.getName(),
project=self.project_name,
component=self.component)
result = self.state.setUpdatingStatus('updating', self.machine_id,
state)
if not result:
# The exchange failed. Sleep CHECK_SHORT_SLEEP_TIME seconds and try again.
report(
'Could not grab update lock. Will try again in %s seconds'
% CHECK_SHORT_SLEEP_TIME,
project=self.project_name,
component=self.component)
return CHECK_SHORT_SLEEP_TIME
# Start the update by pulling the repo for the component.
if imageid_different:
report('Pulling the image for component ' +
self.component.getName())
if not self.component.pullRepo():
# The pull failed.
report('Pull failed of image %s for component %s' %
(imageid[0:12], self.component.getName()),
project=self.project_name,
component=self.component,
level=ReportLevels.IMPORTANT)
self.state.setUpdatingStatus('pullfail', self.machine_id,
result)
return CHECK_SLEEP_TIME
# Run the update on the component and wait for it to finish.
if imageid_different:
report('Starting update for component ' +
self.component.getName(),
project=self.project_name,
component=self.component)
if not self.component.update():
# The update failed.
self.state.setUpdatingStatus('updatefail', self.machine_id,
result)
return CHECK_SLEEP_TIME
# Otherwise, the update has succeeded. Mark the component as ready, so another
# gantryd can start its update.
if imageid_different:
report('Update completed for component ' +
self.component.getName(),
project=self.project_name,
component=self.component)
else:
report('Component ' + self.component.getName() +
' is now running',
project=self.project_name,
component=self.component)
self.state.setReadyStatus(self.component.getImageId())
self.is_running = True
self.monitor_event.set()
return CHECK_SLEEP_TIME
def handleReady(self, state, was_initial_check):
""" Handles when the component has been marked as ready. """
# If the status is ready, we update the component if:
# - The ID of the component's image does not match that found in the status.
# - The process is not running.
imageid = ComponentState.getImageIdOf(state)
imageid_different = imageid != self.component.getImageId()
should_update = not self.is_running or imageid_different
if should_update:
self.is_running = False
self.monitor_event.clear()
# We need to update this machine's copy. First, do a test and set to ensure that
# we are the only machine allowed to update. If the test and set fails, we'll
# try again in 10s.
if imageid_different:
report('Detected pushed update for component ' + self.component.getName(),
project=self.project_name, component=self.component)
else:
report('Component %s is not running; starting' % self.component.getName(),
project=self.project_name, component=self.component)
result = self.state.setUpdatingStatus('updating', self.machine_id, state)
if not result:
# The exchange failed. Sleep CHECK_SHORT_SLEEP_TIME seconds and try again.
report('Could not grab update lock. Will try again in %s seconds' % CHECK_SHORT_SLEEP_TIME,
project=self.project_name, component=self.component)
return CHECK_SHORT_SLEEP_TIME
# Start the update by pulling the repo for the component.
if imageid_different:
report('Pulling the image for component ' + self.component.getName())
if not self.component.pullRepo():
# The pull failed.
report('Pull failed of image %s for component %s' % (imageid[0:12],
self.component.getName()),
project=self.project_name, component=self.component, level=ReportLevels.IMPORTANT)
self.state.setUpdatingStatus('pullfail', self.machine_id, result)
return CHECK_SLEEP_TIME
# Run the update on the component and wait for it to finish.
if imageid_different:
report('Starting update for component ' + self.component.getName(),
project=self.project_name, component=self.component)
if not self.component.update():
# The update failed.
self.state.setUpdatingStatus('updatefail', self.machine_id, result)
return CHECK_SLEEP_TIME
# Otherwise, the update has succeeded. Mark the component as ready, so another
# gantryd can start its update.
if imageid_different:
report('Update completed for component ' + self.component.getName(),
project=self.project_name, component=self.component)
else:
report('Component ' + self.component.getName() + ' is now running',
project=self.project_name, component=self.component)
self.state.setReadyStatus(self.component.getImageId())
self.is_running = True
self.monitor_event.set()
return CHECK_SLEEP_TIME
