Package: munin-node
Version: 1.2.5-1
Severity: normal
Tags: patch
Munin "graph server" quit session when nfsd daemon is disabled
*and* /etc/munin/plugins/nfsd still exists, resulting incomplete
informations on the machine (ie, df_inode is not filled).
I guess munin-node outputs "xxvalue [really nothing]" in "fetch"
operation.
So, a workaround I found (verified) Is to not output line at all when
the value is null, so the answer to "fetch nfsd" is an "RFC 822" style
dot when nfsd daemon does not run.
The drawback is that you have to check the last update timestamp on the
graph (on the web server) for nfsd.
We may also set "0" as value, but I think it will be more confusing, and
more, not exact.
A workaround will be to set a new "boolean" value, maybe "nfsd.active".
Note I didn't re-link nfs_client to /etc/munin/plugins, so the problem
could be the same for it.
So, here is the patch:
diff -u /usr/share/munin/plugins/nfsd nfsd
###########################################################################
--- /usr/share/munin/plugins/nfsd 2006-10-17 14:49:41.000000000 +0200
+++ nfsd 2008-07-15 00:42:37.000000000 +0200
@@ -65,9 +65,9 @@
i=4;
for a in $proc; do
- echo -n "$a.value "
- grep proc3 $NFSD \
- | cut -f $i -d ' ' \
- | awk '{print $1}'
- i=$(expr $i + 1)
+ val=`grep proc3 $NFSD 2>/dev/null \
+ | cut -f $i -d ' ' \
+ | awk '{print $1}'`
+ i=$(expr $i + 1)
+ test "empty$val" != "empty" && echo "$a.value $val"
done
###########################################################################
-- System Information:
Debian Release: 4.0
APT prefers stable
APT policy: (500, 'stable')
Architecture: arm (armv5tel)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-6-ixp4xx
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Versions of packages munin-node depends on:
ii adduser 3.102 Add and remove users and groups
ii libnet-server-perl 0.94-1 An extensible, general perl server
ii lsb-base 3.1-23.2etch1 Linux Standard Base 3.1 init scrip
ii perl 5.8.8-7etch3 Larry Wall's Practical Extraction
ii procps 1:3.2.7-3 /proc file system utilities
Versions of packages munin-node recommends:
ii libnet-snmp-perl 5.2.0-1 Script SNMP connections
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