Only warn about deprecation warnings once

Instead of repeatly emitting data about which
modules are deprecated again and again just warn
about those deprecation once and then never warn
about them again.

This is a good thing to have, and will be needed
as taskflow moves one of its classes used in cinder
to a new and longer-term location and will emit
deprecation about the usage of the old location.

Change-Id: I962f9bab920a03eca235c9e4591d367687e44954

diff --git a/bin/cinder-all b/bin/cinder-all
index a3b2fcf7f70d8f82c7036244e7e1257d4f0bb3b5..1e5842d88cd443e5d67963af599d45ad40c8b25c 100755 (executable)
--- a/bin/cinder-all
+++ b/bin/cinder-all
@@ -32,6 +32,9 @@ eventlet.monkey_patch()
 
 import os
 import sys
+import warnings
+
+warnings.simplefilter('once', DeprecationWarning)
 
 from oslo.config import cfg
 

diff --git a/bin/cinder-api b/bin/cinder-api
index 8990f641e70309dbfc403f93debf13b56739976e..e5b411dee73a1b71c6b8e77f23d50041304e3556 100755 (executable)
--- a/bin/cinder-api
+++ b/bin/cinder-api
@@ -22,6 +22,9 @@ eventlet.monkey_patch()
 
 import os
 import sys
+import warnings
+
+warnings.simplefilter('once', DeprecationWarning)
 
 from oslo.config import cfg
 

diff --git a/bin/cinder-backup b/bin/cinder-backup
index 2b5a634cca2cfd4e8b16632120dcf78ff7638af2..69f2c76bf05720e8b6ee0e4292f99d03d3c4a78f 100755 (executable)
--- a/bin/cinder-backup
+++ b/bin/cinder-backup
@@ -20,6 +20,9 @@
 
 import os
 import sys
+import warnings
+
+warnings.simplefilter('once', DeprecationWarning)
 
 import eventlet
 

diff --git a/bin/cinder-clear-rabbit-queues b/bin/cinder-clear-rabbit-queues
index 4a59b8b3d5edb904e3e36d6462e925718fd3075e..bab50ec52ca1a8e3454ee11046deed284fdc770e 100755 (executable)
--- a/bin/cinder-clear-rabbit-queues
+++ b/bin/cinder-clear-rabbit-queues
@@ -23,6 +23,9 @@
 
 import os
 import sys
+import warnings
+
+warnings.simplefilter('once', DeprecationWarning)
 
 from oslo.config import cfg
 

diff --git a/bin/cinder-manage b/bin/cinder-manage
index c9eec4ad99fbb6c626cd8bb25175098778a79a53..a0c2df0752df7d95d9ed38ae9cb76142b4e30cd5 100755 (executable)
--- a/bin/cinder-manage
+++ b/bin/cinder-manage
@@ -57,6 +57,9 @@ from __future__ import print_function
 
 import os
 import sys
+import warnings
+
+warnings.simplefilter('once', DeprecationWarning)
 
 from oslo.config import cfg
 from oslo import messaging

diff --git a/bin/cinder-rpc-zmq-receiver b/bin/cinder-rpc-zmq-receiver
index 07db167b0bd773dabf1811ae64dfb80606f1d84c..cd7d94a8f8080ccd0602283f7fbb60ca9d14a623 100755 (executable)
--- a/bin/cinder-rpc-zmq-receiver
+++ b/bin/cinder-rpc-zmq-receiver
@@ -19,6 +19,9 @@ eventlet.monkey_patch()
 import contextlib
 import os
 import sys
+import warnings
+
+warnings.simplefilter('once', DeprecationWarning)
 
 # If ../cinder/__init__.py exists, add ../ to Python search path, so that
 # it will override what happens to be installed in /usr/(local/)lib/python...

diff --git a/bin/cinder-scheduler b/bin/cinder-scheduler
index e8ee1175bafa01038561a04282a04c9bdc7cb63d..a01fe3e4e9ba175287433ec5ee95dbb910675f28 100755 (executable)
--- a/bin/cinder-scheduler
+++ b/bin/cinder-scheduler
@@ -24,6 +24,9 @@ eventlet.monkey_patch()
 
 import os
 import sys
+import warnings
+
+warnings.simplefilter('once', DeprecationWarning)
 
 from oslo.config import cfg
 

diff --git a/bin/cinder-volume b/bin/cinder-volume
index 5b8b8a8d9c2fa82af5dc82d44424df6fcf3eb492..45c4ed4613e9eefdaf63f23866558ad0f38d4970 100755 (executable)
--- a/bin/cinder-volume
+++ b/bin/cinder-volume
@@ -28,6 +28,9 @@ else:
     eventlet.monkey_patch()
 
 import sys
+import warnings
+
+warnings.simplefilter('once', DeprecationWarning)
 
 from oslo.config import cfg
 

diff --git a/bin/cinder-volume-usage-audit b/bin/cinder-volume-usage-audit
index accca839d8dac747d0642162d39cf441d06789f2..3f223d38a7bb27980cdc8641cb29b8451ae3a5bb 100755 (executable)
--- a/bin/cinder-volume-usage-audit
+++ b/bin/cinder-volume-usage-audit
@@ -38,6 +38,9 @@ from datetime import datetime
 import os
 import sys
 import traceback
+import warnings
+
+warnings.simplefilter('once', DeprecationWarning)
 
 from oslo.config import cfg