# Show button
def show(sender, **kwargs):
instances = kwargs['instances']
request = kwargs['request']
if not request.user.is_authenticated(): return
try:
selected_instance_uuid = SelectedInstance.objects.get(account = request.account).instance.uuid
except: # No such record, or instance is None
selected_instance_uuid = None
for instance in instances:
if not hasattr(instance, 'component_data'): instance.component_data = SafeString('')
if instance.uuid != selected_instance_uuid:
instance.component_data += SafeString('''<td><input type="button" onclick="window.location.href = '/tracker/instance/select/%s/'" value="Select"></td>''' % instance.uuid)
else:
instance.component_data += SafeString('''<td><b><center>Selected</b></center></td>''')
list_instances.connect(show)
# Stored data
class SelectedInstance(models.Model):
account = models.OneToOneField(UserAccount)
instance = models.ForeignKey(ServerInstance, blank=True, null=True)
request = kwargs['request']
if not request.user.is_authenticated(): return
try:
selected_instance_uuid = SelectedInstance.objects.get(
account=request.account).instance.uuid
except: # No such record, or instance is None
selected_instance_uuid = None
for instance in instances:
if not hasattr(instance, 'component_data'):
instance.component_data = SafeString('')
if instance.uuid != selected_instance_uuid:
instance.component_data += SafeString(
'''<td><input type="button" onclick="window.location.href = '/tracker/instance/select/%s/'" value="Select"></td>'''
% instance.uuid)
else:
instance.component_data += SafeString(
'''<td><b><center>Selected</b></center></td>''')
list_instances.connect(show)
# Stored data
class SelectedInstance(models.Model):
account = models.OneToOneField(UserAccount)
instance = models.ForeignKey(ServerInstance, blank=True, null=True)
# Copyright 2010 Alon Zakai ('kripken'). All rights reserved.
# This file is part of Syntensity/the Intensity Engine, an open source project. See COPYING.txt for licensing.
'''
Expires server instances after a while has passed since they
updated the master.
'''
__COMPONENT_PRECEDENCE__ = 100
from datetime import datetime
from intensity.tracker.signals import list_instances
STALE_SECONDS = 15*60 # 15 minutes
def is_stale(last_update):
return (datetime.now() - last_update).seconds > STALE_SECONDS
def expire_stale(sender, **kwargs):
instances = kwargs['instances']
for instance in instances:
last_update = instance.last_update
if is_stale(last_update):
instance.delete()
list_instances.connect(expire_stale)
