Bug 1692072

Summary: [RFE]: mmkubernetes: support cache expiration
Product: Red Hat Enterprise Linux 8 Reporter: Rich Megginson <rmeggins>
Component: rsyslogAssignee: Jiří Vymazal <jvymazal>
Status: CLOSED ERRATA QA Contact: Dalibor Pospíšil <dapospis>
Severity: medium Docs Contact: Mirek Jahoda <mjahoda>
Priority: medium    
Version: 8.0CC: dapospis, jvymazal, rmeggins
Target Milestone: rcKeywords: FutureFeature, Triaged
Target Release: 8.2   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: rsyslog-8.1911.0-1.el8 Doc Type: Enhancement
Doc Text:
.`rsyslog` `mmkubernetes` now provides metadata cache expiration With this update of the `rsyslog` packages, you can use two new parameters for the `mmkubernetes` module for setting metadata cache expiration. This ensures that deleted Kubernetes objects are removed from the `mmkubernetes` static cache. The value of the `cacheentryttl` parameter indicates the maximum age of cache entries in seconds. The `cacheexpireinterval` parameter has the following values: * `-1` for disabling cache-expiration checks * `0` for enabling cache-expiration checks * greater than 0 for regular cache-expiration checks in seconds
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Clone Of: Environment:
Last Closed: 2020-04-28 16:01:03 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1740683    
Bug Blocks:    

Description Rich Megginson 2019-03-24 01:47:28 UTC 
Description of problem:
mmkubernetes has a static cache - if Kubernetes objects are deleted, the cache should be cleared.  It is good enough to support a cache entry ttl as in fluent-plugin-kubernetes_metadata_filter



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Additional info:
https://github.com/rsyslog/rsyslog/pull/3539
Comment 1 Rich Megginson 2019-03-24 01:59:24 UTC 
docs: https://github.com/rsyslog/rsyslog-doc/pull/792
Comment 2 Rich Megginson 2019-04-03 13:29:05 UTC 
merged upstream: https://github.com/rsyslog/rsyslog/commit/f4ed61e9cedcf09634c3ef35a5550e1c3cf2c9e4
docs: https://github.com/rsyslog/rsyslog-doc/commit/1ce29da1267585b66231503e59ae91d290649e19
Comment 9 errata-xmlrpc 2020-04-28 16:01:03 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2020:1702