On Tue, Sep 23, 2014 at 12:00:21PM +0200, 'Klaus Aehlig' via ganeti-devel wrote:
LUs may override this method if they know how to prepare for an internal
retry after temporarily being out of resources.
Signed-off-by: Klaus Aehlig <[email protected]>
---
lib/cmdlib/base.py | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/lib/cmdlib/base.py b/lib/cmdlib/base.py
index dc8a264..31f65d2 100644
--- a/lib/cmdlib/base.py
+++ b/lib/cmdlib/base.py
@@ -354,6 +354,18 @@ class LogicalUnit(object): # pylint: disable=R0902
else:
raise NotImplementedError
+ def PrepareRetry(self, _feedback_fn):
+ """Prepare the LU to run again.
+
+ This method is called if the Exec failed for temporarily lacking resources.
+ It is expected to change the state of the LU so that it can be tried again,
+ and also change its locking policy to acquire more resources to have a
+ better chance of suceeding in the retry.
+
+ """
+ # pylint: disable=R0201
+ raise errors.OpRetryNotSupportedError()
+
def BuildHooksEnv(self):
"""Build hooks environment for this LU.
--
2.1.0.rc2.206.gedb03e5
LGTM
