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Improved GetHostID if only ip binary is available

This commit is contained in:
mboelen 2014-09-25 17:57:25 +02:00
parent 27973d5c18
commit 9067551508
1 changed files with 21 additions and 19 deletions
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40
include/functions
View File

@ -351,6 +351,7 @@
GetHostID()
{
HOSTID="-"
FIND=""
if [ ! "${SHA1SUMBINARY}" = "" ]; then
case "${OS}" in
@ -378,7 +379,7 @@
#PREFERRED_INTERFACES="eth0 eth1 eth2 enp0s25"
# Only use ifconfig if no ip binary has been found
if [ ! "${IFCONFIGBINARY}" = "" -a "${IPBINARY}" = "" ]; then
if [ ! "${IFCONFIGBINARY}" = "" ]; then
# Determine if we have ETH0 at all (not all Linux distro have this, e.g. Arch)
HASETH0=`${IFCONFIGBINARY} | grep "^eth0"`
# Check if we can find it with HWaddr on the line
@ -405,26 +406,27 @@
ReportException "GetHostID" "No eth0 found (but HWaddr was found), using first network interface to determine hostid, with ifconfig"
fi
fi
else
# See if we can use ip binary instead
if [ ! "${IPBINARY}" = "" ]; then
# Determine if we have the common available eth0 interface
FIND=`${IPBINARY} addr show eth0 2> /dev/null | egrep "link/ether " | head -1 | awk '{ print $2 }' | tr '[:upper:]' '[:lower:]'`
if [ "${FIND}" = "" ]; then
# Determine the MAC address of first interface with the ip command
FIND=`${IPBINARY} addr show 2> /dev/null | egrep "link/ether " | head -1 | awk '{ print $2 }' | tr '[:upper:]' '[:lower:]'`
if [ "${FIND}" = "" ]; then
ReportException "GetHostID" "Can't create hostid (no MAC addresses found)"
fi
fi
else
ReportException "GetHostID" "Can't create hostid, missing both ifconfig and ip binary"
fi
fi
# Check with ip binary (preferred to ifconfig)
if [ ! "${IPBINARY}" = "" ]; then
# Determine if we have the common available eth0 interface
FIND=`${IPBINARY} addr show eth0 2> /dev/null | egrep "link/ether " | head -1 | awk '{ print $2 }' | tr '[:upper:]' '[:lower:]'`
if [ "${FIND}" = "" ]; then
# Determine the MAC address of first interface with the ip command
FIND=`${IPBINARY} addr show 2> /dev/null | egrep "link/ether " | head -1 | awk '{ print $2 }' | tr '[:upper:]' '[:lower:]'`
if [ "${FIND}" = "" ]; then
ReportException "GetHostID" "Can't create hostid (no MAC addresses found)"
fi
fi
# Check if both commands give the same data
if [ ! "${FIND}" = "" ]; then
HOSTID=`echo ${FIND} | ${SHA1SUMBINARY} | awk '{ print $1 }'`
logtext "Result: Found HostID: ${HOSTID}"
fi
# Check if we found a HostID
if [ ! "${FIND}" = "" ]; then
HOSTID=`echo ${FIND} | ${SHA1SUMBINARY} | awk '{ print $1 }'`
logtext "Result: Found HostID: ${HOSTID}"
else
ReportException "GetHostID" "Can't create HOSTID, command ip not found"
fi