** Description changed:
- Under the "dhcpd" heading, the following isc-dhcp-server lines appear as
- unknown:
+ [Impact]
+
+ dhcp "lease under threshold" messages aren't handled by logwatch, and
+ thus end up in the "Unmatched Entries" section, one per event. These
+ innocuous notices clutters up the logwatch reports unnecessarily.
+
+
+ [Test Case]
+
+ $ export CODENAME="focal"
+ $ lxc launch ubuntu:${CODENAME} test-logwatch
+ $ lxc exec test-logwatch -- bash
+
+ # apt-get update
+ # apt-get dist-upgrade -y
+ # apt-get install -y logwatch
+
+ # wget
https://bugs.launchpad.net/ubuntu/+source/logwatch/+bug/1578001/+attachment/5407062/+files/unmatched-entries-isc-dhcp-server%3Akern.log
+ # cat unmatched-entries-isc-dhcp-server:kern.log >> /var/log/kern.log
+
+ # logwatch --detail High --service all --range all --output stdout
+
+ Without the fix, there will be unmatched entries from reuse_lease
+ regarding lease age thresholds; with the fix there will be no such
+ messages.
+
+ (Note: For testing it's not really necessary to trigger the original
+ condition that produces the log entry, since for Logwatch the purpose is
+ more about making sure the entry is detected and processed
+ appropriately.)
+
+
+ [Regression Potential]
+
+ Since logwatch filters logs for errors pertinent to administrators,
+ standard things to watch out for are undesired changes in this filtering
+ behavior, such as flagging or failing to flag issues differently than
+ before, other than the specific messages being filtered with this
+ change.
+
+ [Fix]
+
+ [Discussion]
+
+ [Original Report]
+ Under the "dhcpd" heading, the following isc-dhcp-server lines appear as
unknown:
Unknown Entries:
Config file: /etc/dhcp/dhcpd.conf: 1 Time(s)
Database file: /var/lib/dhcp/dhcpd.leases: 1 Time(s)
PID file: /run/dhcp-server/dhcpd.pid: 1 Time(s)
Server starting service.: 1 Time(s)
reuse_lease: lease age 16261 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 16268 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 16391 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 16394 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 1728 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 17474 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 17475 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 26177 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 26179 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 28852 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 28854 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 3064 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 3229 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 35305 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 35325 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 35326 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 49459 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 52188 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
reuse_lease: lease age 811 (secs) under 25% threshold, reply with
unaltered, existing lease: 1 Time(s)
-----------------------------------------------------------------
Description: Ubuntu 16.04 LTS
Release: 16.04
logwatch:
Installed: 7.4.2-1ubuntu1
Candidate: 7.4.2-1ubuntu1
Version table:
*** 7.4.2-1ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
500 http://us.archive.ubuntu.com/ubuntu xenial/main i386 Packages
100 /var/lib/dpkg/status
isc-dhcp-server:
- Installed: 4.3.3-5ubuntu12
- Candidate: 4.3.3-5ubuntu12
- Version table:
- *** 4.3.3-5ubuntu12 500
- 500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
- 100 /var/lib/dpkg/status
+ Installed: 4.3.3-5ubuntu12
+ Candidate: 4.3.3-5ubuntu12
+ Version table:
+ *** 4.3.3-5ubuntu12 500
+ 500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
+ 100 /var/lib/dpkg/status
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https://bugs.launchpad.net/bugs/1578001
Title:
unmatched entries for isc-dhcp-server
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