def resize(self, new_capacity):
"""
Resize the instance group to the new capacity.
When shrinking, the newest instances will be removed.
"""
new_template = self._create_template(new_capacity)
result = self.update_with_template(new_template, {})
for resource in self.nested():
if resource.state == ('CREATE', 'FAILED'):
resource.destroy()
self._lb_reload()
return result
def resize(self, new_capacity):
"""
Resize the instance group to the new capacity.
When shrinking, the newest instances will be removed.
"""
new_template = self._create_template(new_capacity)
result = self.update_with_template(new_template, {})
for resource in self.nested():
if resource.state == ('CREATE', 'FAILED'):
resource.destroy()
self._lb_reload()
return result
def check_create_complete(self, task):
"""
When stack creation is done, update the load balancer.
If any instances failed to be created, delete them.
"""
try:
done = super(InstanceGroup, self).check_create_complete(task)
except exception.Error as exc:
for resource in self.nested():
if resource.state == ('CREATE', 'FAILED'):
resource.destroy()
raise
if done and len(self.get_instances()):
self._lb_reload()
return done
def check_create_complete(self, task):
"""
When stack creation is done, update the load balancer.
If any instances failed to be created, delete them.
"""
try:
done = super(InstanceGroup, self).check_create_complete(task)
except exception.Error as exc:
for resource in self.nested():
if resource.state == ('CREATE', 'FAILED'):
resource.destroy()
raise
if done and len(self.get_instances()):
self._lb_reload()
return done
