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Merge pull request #523 from someuser89/master

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network – arp_
This commit is contained in:
Kenyon Ralph 2014-09-24 14:01:22 -07:00
commit 450925ad07
1 changed files with 48 additions and 36 deletions
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78
plugins/network/arp_
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@ -8,6 +8,7 @@
# autoconf (optional) # autoconf (optional)
# #
# Made by Sven Hartge (sven AT svenhartge DOT de) # Made by Sven Hartge (sven AT svenhartge DOT de)
# change to iproute by Martin89 (martin AT martin89 DOT de)
# #
# #
@ -15,41 +16,52 @@
#%# family=contrib #%# family=contrib
#%# capabilities=autoconf suggest #%# capabilities=autoconf suggest
INTERFACE=`basename $0 | sed 's/^arp_//g' | tr '_' '.'` case "$1" in
autoconf)
if [ "$1" = "autoconf" ]; then # Search for ip
# Search for arp which ip >/dev/null 2>&1
which arp >/dev/null 2>/dev/null || (echo "no (can't find arp binary)" && exit 1) if [ $? -ne 0 ]; then
echo "no (can't find ip binary)"
# ...or success
echo yes
exit 0
fi
if [ "$1" = "suggest" ]; then
if [ -r /proc/net/dev ]; then
egrep '^ *(eth|wlan|ath|ra)[0-9]+(\.[0-9]+)?:' /proc/net/dev | cut -f1 -d: | sed 's/ //g' | tr '.' '_'
exit 0
else
exit 1 exit 1
fi fi
fi # ...or success
echo 'yes'
if [ "$1" = "config" ]; then
echo "graph_title ARP entries for $INTERFACE"
echo 'graph_args --base 1000 -l 0'
echo 'graph_vlabel Entries'
echo 'graph_category network'
echo 'graph_scale no'
echo "graph_info This graph shows the number of ARP entries registered by the system for interface $INTERFACE."
echo 'entries.label ARP entries'
echo 'entries.draw LINE2'
echo 'entries.type GAUGE'
echo 'entries.info Number of ARP entries'
exit 0 exit 0
;;
suggest)
if [ ! -r /proc/net/dev ]; then
exit 1
fi fi
awk '$1~ /^(eth|wlan|ath|ra)[0-9]+(\.[0-9]+)?/ { gsub(":", ""); gsub("\.", "_"); print $1 }' /proc/net/dev
exit 0
;;
config)
INTERFACE="$(basename $0 | sed 's/^arp_//g' | tr '_' '.')"
if [ -z "$INTERFACE" ]; then
exit 1
fi
echo "graph_title ARP/NDP entries for $INTERFACE"
cat <<'EOM'
graph_args --base 1000 -l 0
graph_vlabel Entries
graph_category network
graph_scale no
graph_info This graph shows the number of ARP and NDP entries for a interface.
entries4.label ARP entries
entries4.info Number of ARP entries
entries6global.label NDP global entries
entries6global.info Number of NDP entries for global IPv6 address
entries6local.label NDP local entries
entries6local.info Number of NDP entries for link-local IPv6 address (fe80::/64)
EOM
exit 0
;;
esac
arp -an -i $INTERFACE | awk 'BEGIN { regex="<incomplete>";} { if (!match($4,regex)) { a[$4] }} END{for(i in a){n++};print "entries.value " n}' INTERFACE="$(basename $0 | sed 's/^arp_//g' | tr '_' '.')"
if [ -z "$INTERFACE" ]; then
exit 1
fi
ip neigh show dev "$INTERFACE" | awk 'BEGIN { a=0; b=0; c=0 }
/(REACHABLE|DELAY|STALE)/ { if ($1~ /^fe80:/){c++} else{if ($1~ /^[0-9]+\./) {a++} else{b++} } }
END { print "entries4.value", a "\nentries6global.value", b, "\nentries6local.value", c }'