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https://github.com/xcat2/xcat-core.git
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20e1e7213c
* Support config snmpv1/2 community string for Mellanox switches during discovery phase * checking snmpversion defined in the switches table
99 lines
3.1 KiB
Bash
Executable File
99 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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#the postscript to enable snmpd in ONIE compatible switches
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if ! cat /etc/os-release |grep -i '^NAME=[ "]*Cumulus Linux[ "]*$' >/dev/null 2>&1 ; then
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echo "This script is only supported on Cumulus OS in ONIE switch"
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exit 2
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fi
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#define conf file
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snmp_conf="/etc/snmp/snmpd.conf"
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if [ ! -f "$snmp_conf" ]; then
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echo "/etc/snmp/snmpd.conf doesn't not exist"
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exit -1
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fi
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[ -f ${snmp_conf}.orig ] || cp $snmp_conf ${snmp_conf}.orig
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#get snmp attribute
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#NOTE: the length of SNMP Password has to be min=8
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xCATSettingsSTART="xCAT settings START"
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xCATSettingsEND="xCAT settings END"
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xCATSettingsOID="xCAT customized"
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xCATSettingsInfo="Entries between the START and END lines will be replaced each time by running enablesnmp"
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snmpversion=$SNMPVERSION
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snmpuser=$SNMPUSER
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snmppwd=$SNMPPASSWD
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snmppriv=$SNMPPRIV
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snmpauth=$SNMPAUTH
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snmpc=$SNMPC
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community="public"
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#Get cumulus orig conf file
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grep "$xCATSettingsOID" $snmp_conf 2>&1 1> /dev/null
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if [ $? -eq 0 ]; then
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cp ${snmp_conf}.cumulus $snmp_conf
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fi
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grep "$xCATSettingsSTART" $snmp_conf 2>&1 1> /dev/null
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if [ $? -eq 0 ]; then
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#remove the previous snmp rule generated by xCAT
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sed -i "/$xCATSettingsSTART/,/$xCATSettingsEND/ d" $snmp_conf
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else
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sed -i "/^\s*agentAddress/s/^/#/" $snmp_conf
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sed -i '/agentAddress udp\:161\,udp6\:\[\:\:1\]\:161/s/^#//' $snmp_conf
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sed -i "/view\s*systemonly\s*included\s*.1.3.6.1.2.1.17/s/^#//" $snmp_conf
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sed -i "/pass_persist\s*.1.3.6.1.2.1.17\s*\/usr\/share\/snmp\/bridge_pp.py/s/^#//" $snmp_conf
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fi
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# Mark the start of xCAT section
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echo "# $xCATSettingsSTART" >> $snmp_conf
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echo "# $xCATSettingsInfo" >> $snmp_conf
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if [[ "$snmpversion" =~ "3" ]]; then
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#set up snmp version 3
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if [ -n "$snmpuser" ] && [ -n "$snmpauth" ] && [ -n "$snmppwd" ]; then
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len=${#snmppwd}
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if [ $len -lt 8 ]; then
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echo "SNMP v3 specification requires password to have a minimum of 8 characters"
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echo "# $xCATSettingsEND" >> $snmp_conf
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exit -1
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fi
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snmpauth=`echo $snmpauth | tr '[a-z]' '[A-Z]'`
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if [ -n "$snmppriv" ]; then
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snmppriv=`echo $snmppriv | tr '[a-z]' '[A-Z]'`
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echo "createUser $snmpuser $snmpauth $snmppwd $snmppriv $snmppwd" >> $snmp_conf
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echo "rwuser $snmpuser" >> $snmp_conf
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else
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echo "createUser $snmpuser $snmpauth $snmppwd" >> $snmp_conf
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echo "rouser $snmpuser" >> $snmp_conf
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fi
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else
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echo "Please define user/password/auth for SNMP v3 specification"
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echo "# $xCATSettingsEND" >> $snmp_conf
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exit -1
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fi
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elif [ -n "$snmppwd" ]; then
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community=$snmppwd
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elif [ -n "$snmpc" ]; then
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community=$snmpc
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fi
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echo "rocommunity $community default" >> $snmp_conf
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echo "rocommunity $community default -V systemonly" >> $snmp_conf
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echo "# $xCATSettingsEND" >> $snmp_conf
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#create snmpd restart conf file
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mkdir -p /etc/systemd/system/snmpd.service.d
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restart_conf="/etc/systemd/system/snmpd.service.d/restart.conf"
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echo "[Service]" > $restart_conf
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echo "Restart=always" >> $restart_conf
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echo "RestartSec=60" >> $restart_conf
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systemctl enable snmpd
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systemctl restart snmpd
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