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Commit
f8bb2ede
authored
Mar 14, 2014
by
Őry Máté
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vm: cache list of queues
parent
1db410a2
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1 changed file
with
30 additions
and
3 deletions
+30
-3
circle/vm/tasks/vm_tasks.py
+30
-3
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circle/vm/tasks/vm_tasks.py
View file @
f8bb2ede
from
django.core.cache
import
cache
from
logging
import
getLogger
from
manager.mancelery
import
celery
from
manager.mancelery
import
celery
logger
=
getLogger
(
__name__
)
def
check_queue
(
node_hostname
,
queue_id
):
def
check_queue
(
node_hostname
,
queue_id
):
"""True if the queue is alive.
Example: check_queue('node01', 'vm'):
:param node_hostname: Short hostname of the node.
:param queue_id: Queue identifier (eg. vm).
"""
drivers
=
[
'vmdriver'
,
'netdriver'
,
'agentdriver'
]
drivers
=
[
'vmdriver'
,
'netdriver'
,
'agentdriver'
]
worker_list
=
[
node_hostname
+
"."
+
d
for
d
in
drivers
]
#
worker_list = [node_hostname + "." + d for d in drivers]
queue_name
=
node_hostname
+
"."
+
queue_id
queue_name
=
node_hostname
+
"."
+
queue_id
inspect
=
celery
.
control
.
inspect
(
worker_list
)
active_queues
=
get_queues
()
active_queues
=
inspect
.
active_queues
()
if
active_queues
is
None
:
if
active_queues
is
None
:
return
False
return
False
# v is List of List of queues dict
# v is List of List of queues dict
...
@@ -17,6 +27,23 @@ def check_queue(node_hostname, queue_id):
...
@@ -17,6 +27,23 @@ def check_queue(node_hostname, queue_id):
return
True
return
True
return
False
return
False
def
get_queues
():
"""Get active celery queues.
Result is cached for 10 seconds!
"""
key
=
__name__
+
u'queues'
result
=
cache
.
get
(
key
)
if
result
is
None
:
inspect
=
celery
.
control
.
inspect
()
inspect
.
timeout
=
0.1
result
=
inspect
.
active_queues
()
logger
.
debug
(
'Queue list of length
%
d cached.'
,
len
(
result
))
cache
.
set
(
key
,
result
,
10
)
return
result
@celery.task
(
name
=
'vmdriver.create'
)
@celery.task
(
name
=
'vmdriver.create'
)
def
deploy
(
params
):
def
deploy
(
params
):
...
...
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