dubeejw commented on a change in pull request #186: automatically monitor and
restore the health of the DB changes feed
URL:
https://github.com/apache/incubator-openwhisk-package-kafka/pull/186#discussion_r124060508
##########
File path: provider/database.py
##########
@@ -67,9 +68,42 @@ def disableTrigger(self, triggerFQN, status_code):
logging.error('[{}] Uncaught exception while disabling trigger:
{}'.format(triggerFQN, e))
- def changesFeed(self):
- return self.database.infinite_changes(include_docs=True)
+ def changesFeed(self, timeout, since = None):
+ if since == None:
+ return self.database.infinite_changes(include_docs=True,
heartbeat=(timeout*1000))
+ else:
+ return self.database.infinite_changes(include_docs=True,
heartbeat=(timeout*1000), since=since)
+
+ def createCanary(self):
+ retryCount = 3
+
+ while retryCount >= 0:
+ if retryCount == 0:
+ logging.error('[canary] Retried and failed {} times to create
a canary'.format(retryCount))
Review comment:
If canary document is not created by this function will the attempt to
create it again occur when the canary is updated?
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