def remove_app(self, appname):
"""Remove app from scheduler."""
if appname not in self.cell.apps:
return
app = self.cell.apps[appname]
if app.server:
self.backend.delete(z.path.placement(app.server, appname))
if self.events_dir:
appevents.post(self.events_dir,
traceevents.DeletedTraceEvent(instanceid=appname))
# If finished does not exist, it means app is terminated by
# explicit request, not because it finished on the node.
if not self.backend.exists(z.path.finished(appname)):
self.backend.put(
z.path.finished(appname),
{
'state': 'terminated',
'when': time.time(),
'host': app.server,
'data': None
},
)
super(Master, self).remove_app(appname)
def process_scheduled(self, scheduled):
"""Callback invoked when on scheduling changes."""
current = set(self.cell.apps.keys())
target = set(scheduled)
for appname in current - target:
app = self.cell.apps[appname]
if app.server:
self.backend.delete(z.path.placement(app.server, appname))
if self.events_dir:
appevents.post(
self.events_dir,
traceevents.DeletedTraceEvent(instanceid=appname))
# If finished does not exist, it means app is terminated by
# explicit request, not because it finished on the node.
if not self.backend.exists(z.path.finished(appname)):
self.backend.put(
z.path.finished(appname),
{
'state': 'terminated',
'when': time.time(),
'host': app.server,
'data': None
},
)
self.cell.remove_app(appname)
for appname in target - current:
self.load_app(appname)
def test_deleted(self):
"""Deleted event operations.
"""
event = events.DeletedTraceEvent(timestamp=1,
source='tests',
instanceid='proid.foo#123',
payload={'foo': 'bar'})
self.assertEqual(
event.to_dict(), {
'event_type': 'deleted',
'timestamp': 1,
'source': 'tests',
'instanceid': 'proid.foo#123',
'payload': {
'foo': 'bar'
},
})
self.assertEqual(event.to_data(), (
1,
'tests',
'proid.foo#123',
'deleted',
'',
{
'foo': 'bar'
},
))
self.assertEqual(
event,
events.DeletedTraceEvent.from_data(timestamp=1,
source='tests',
instanceid='proid.foo#123',
event_type='deleted',
event_data='not used',
payload={'foo': 'bar'}))
def test_deleted(self, stdout_mock):
"""Test printing Deleted event.
"""
event = events.DeletedTraceEvent(timestamp=1,
source='tests',
instanceid='proid.foo#123',
payload={'foo': 'bar'})
self.trace_printer.process(event)
self.assertEqual(
stdout_mock.getvalue(), 'Thu, 01 Jan 1970 00:00:01+0000 - '
'proid.foo#123 deleted\n')