Red Hat Bugzilla – Bug 507954
yum-updatesd generates incorrect syslog entries (ignores syslog ident)
Last modified: 2009-12-18 04:35:11 EST
Description of problem:
yum-updatesd, when configured to generate syslog entries, does not generate the entries with the configured (or default) syslog identifier. In all cases, the syslog identifier is null.
Jun 24 12:57:06 huggy : 8 updates available
It should rather be:
Jun 24 12:57:06 huggy yum-updatesd: 8 updates available
Version-Release number of selected component (if applicable):
Here is the command-line I used to test the settings:
# /usr/libexec/yum-updatesd-helper --syslog --syslog-level=WARN --syslog-facility=DAEMON --syslog-ident=yum-updatesd --debug --check
And here is my yum-updatesd.conf file:
# how often to check for new updates (in seconds)
run_interval = 10800
# how often to allow checking on request (in seconds)
updaterefresh = 600
# how to send notifications (valid: dbus, email, syslog)
emit_via = syslog
# should we listen via dbus to give out update information/check for
# new updates
dbus_listener = no
# automatically install updates
do_update = no
# automatically download updates
do_download = no
# automatically download deps of updates
do_download_deps = no
Steps to Reproduce:
1. configure /etc/yum/yum-updatesd.conf to generate syslog notifications
2. run yum-updatesd on a system that requires updates
From what I can tell, yum-updatesd is stumbling over the the YUM library, which re-initializes the syslog facility (see YumBase.doConfigSetup). Unless there is a syslog configuration in yum.conf, it gets reset to use a null syslog ident.
There are a variety of fixes, but the one I came up with (please forgive me) is to re-initialize syslog immediately after the YUM library is initialized. Feel free to suggest a cleaner solution. See my patch:
diff -u /usr/libexec/yum-updatesd-helper /tmp/yum-updatesd-helper
--- /usr/libexec/yum-updatesd-helper 2007-12-17 20:19:44.000000000 -0800
+++ /tmp/yum-updatesd-helper 2009-06-24 13:01:17.421686194 -0700
@@ -347,17 +347,30 @@
+ self.syslog_emitter = SyslogUpdateEmitter(self.options.logfacility,
self.updateInfo = 
+ def doSetupSyslog(self):
+ """Initialize or re-initialize the syslog facility.
+ Note that the YUM library re-initializes syslog.
+ if self.options.syslog:
except Exception, e:
"error initializing: %s" % e)
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