root
307 lines
14 KiB
Bash
Executable File
307 lines
14 KiB
Bash
Executable File
#!/usr/bin/env bash
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#reip_handler.sh
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# chkconfig: 345 99 10
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# description: Script to run a on start up and perform re-ip if needed
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LOCKFILE=/var/lock/subsys/reiphandler
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PROCESS_LOG_FILE=-target-folder-reip_handler.log
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ONE_TIME_FILE=-target-folder-drctexecflag
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start(){
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# Touch our lock file so that stopping will work correctly
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touch ${LOCKFILE}
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VERSION=$(rpm -q --queryformat '%{VERSION}' $(rpm -qa '(redhat|sl|slf|centos|oraclelinux)-release(|-server|-workstation|-client|-computenode)'))
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HV_RESPONSE=$(sudo dmidecode | grep -i -E 'amazon|microsoft')
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#IS_NM_INSTALLED=$(service NetworkManager status | grep 'active')
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IS_RUN_WITHIN_VCENTER=${#HV_RESPONSE}
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if [ $IS_RUN_WITHIN_VCENTER -gt 0 ];
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then
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FULL_PATH=/etc/sysconfig/network-scripts/
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echo $(date -u)' Creating network scripts backup' >> $PROCESS_LOG_FILE
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tar -zcvf /etc/reip/networkscripts.tar.gz $FULL_PATH
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tar -zcvf /etc/reip/rules.tar.gz /etc/udev/rules.d/
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tar -zcvf /etc/reip/network.tar.gz /etc/sysconfig/network
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if [ -f /etc/udev/rules.d/70-persistent-net.rules ];
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then
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rm -rf /etc/udev/rules.d/70-persistent-net.rules
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rm -rf /lib/udev/rules.d/75-persistent-net-generator.rules
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#reboot
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fi
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IS_IFNAMES_KICKED=$(cat /etc/default/grub | grep -E 'net.ifnames=0')
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if [ ${#IS_IFNAMES_KICKED} -eq 0 ];
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then
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echo $(date -u)' GRUB_CMDLINE_LINUX="net.ifnames=0"' >>/etc/default/grub
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fi
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CONFIG_FILES=$(ls $FULL_PATH -I "ifcfg-lo" | grep "ifcfg*")
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INDEX=0
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echo $(date -u)' Renaming all configuration not fits ethX standard' >> $PROCESS_LOG_FILE
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SOURCE_DATA_FILE_PATH=/etc/reip/dhcp.conf
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for CONFIG_FILE in $CONFIG_FILES
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do
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echo $(date -u)' '$CONFIG_FILE >> $PROCESS_LOG_FILE
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SOURCE_PATH=$FULL_PATH$CONFIG_FILE
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TARGET_PATH=$FULL_PATH'ifcfg-eth'$INDEX
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echo $(date -u) ' Source file:'$SOURCE_PATH >> $PROCESS_LOG_FILE
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echo $(date -u) ' Target file:'$TARGET_PATH >> $PROCESS_LOG_FILE
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mv $SOURCE_PATH $TARGET_PATH
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cat $SOURCE_DATA_FILE_PATH > $TARGET_PATH
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INDEX=$((INDEX + 1))
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done
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echo $(date -u)' ReIP handler watchdog started' >> $PROCESS_LOG_FILE
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IS_NETWORK_RESTART_REQUIRED=""
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echo $(date -u)' We're not in VC. May be AWS. Let's give it a chance. Continue processing...' >> $PROCESS_LOG_FILE
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echo $(date -u)' Checking for static IP configuration' >> $PROCESS_LOG_FILE
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CONFIG_FILE_PATTERN=/etc/sysconfig/network-scripts/ifcfg-eth*
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COMMON_NETWORK_FILE=/etc/sysconfig/network
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echo $(date -u)' Processing GATEWAY section by removing it if exists' >> $PROCESS_LOG_FILE
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TMP=$(cat $COMMON_NETWORK_FILE | grep -v GATEWAY)
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echo $TMP > $COMMON_NETWORK_FILE
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for CONFIG_FILE_PATH in $CONFIG_FILE_PATTERN
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do
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echo $(date -u)' Starting test for file '$CONFIG_FILE_PATH >> $PROCESS_LOG_FILE
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IS_STATIC_IP=$(cat $CONFIG_FILE_PATH | grep -E 'BOOTPROTO=static|BOOTPROTO=none')
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echo $(date -u)' Static ip test returned '$IS_STATIC_IP >> $PROCESS_LOG_FILE
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if [ ! -z $IS_STATIC_IP ];
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then
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echo $(date -u)" Static IP configuration discovered" >> $PROCESS_LOG_FILE
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echo $(date -u)" Processing "$CONFIG_FILE_PATH" file" >> $PROCESS_LOG_FILE
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FILE_NAME=$(basename $CONFIG_FILE_PATH)
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INTERFACE_NAME=${FILE_NAME#"ifcfg-"}
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INTERFACE_NAME=${INTERFACE_NAME%"ifcfg-"}
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echo $(date -u)" Interface name "$INTERFACE_NAME" extracted" >> $PROCESS_LOG_FILE
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# EDIT instead of replace
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echo $(date -u)" Updating configuration file" >> $PROCESS_LOG_FILE
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#CONFIG_FILE_PATH=/home/ec2-user/data.txt
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echo $(date -u)" Processing DEVICE section">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep DEVICE)
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NEW_VALUE='DEVICE="'$INTERFACE_NAME'"'
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing NAME section">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep NAME)
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NEW_VALUE='NAME="'$INTERFACE_NAME'"'
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing BOOTPROTO section">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep BOOTPROTO)
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NEW_VALUE='BOOTPROTO="dhcp"'
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing ONBOOT section">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep ONBOOT)
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NEW_VALUE='ONBOOT="yes"'
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing TYPE section">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep TYPE)
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NEW_VALUE='TYPE="Ethernet"'
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing USERCTL section">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep USERCTL)
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NEW_VALUE='USERCTL="yes"'
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing IPV6INIT section">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep IPV6INIT)
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NEW_VALUE='IPV6INIT="no"'
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing NM_CONTROLLED section">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep NM_CONTROLLED=yes)
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NEW_VALUE='NM_CONTROLLED=no"'
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing PERSISTENT_DHCLIENT section">> $PROCESS_LOG_FILE
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echo 'PERSISTENT_DHCLIENT="1"' >> $CONFIG_FILE_PATH
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing GATEWAY section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep GATEWAY)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing HWADDR section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep HWADDR)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing BROADCAST section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep BROADCAST)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing IPADDR section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep IPADDR)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing NETMASK section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep NETMASK)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing NETWORK section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep NETWORK)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing DNS1 section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep DNS1)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing DNS2 section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep DNS2)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing IPV4_FAILURE_FATAL section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep IPV4_FAILURE_FATAL)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing DEFROUTE section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep DEFROUTE)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Processing PREFIX section by removing it if exists">> $PROCESS_LOG_FILE
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OLD_VALUE=$(cat $CONFIG_FILE_PATH | grep PREFIX)
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NEW_VALUE=''
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if [ ! -z $OLD_VALUE ];
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then
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sed -i -e "s|$OLD_VALUE|$NEW_VALUE|" $CONFIG_FILE_PATH
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fi
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cat $CONFIG_FILE_PATH>> $PROCESS_LOG_FILE
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echo $(date -u)" Clean up empty lines">> $PROCESS_LOG_FILE
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sed -i '/^$/d' $CONFIG_FILE_PATH
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IS_NETWORK_RESTART_REQUIRED="True"
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else
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echo $(date -u)" IP set to DHCP "$IS_STATIC_IP >> $PROCESS_LOG_FILE
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fi
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done
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if [ ! -z $IS_NETWORK_RESTART_REQUIRED ];
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then
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echo $(date -u)" Restarting network" >> $PROCESS_LOG_FILE
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service network restart
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rm -rf /etc/init.d/reiphandler
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echo $(date -u)" Preparing to reboot" >> $PROCESS_LOG_FILE
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reboot
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fi
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echo $(date -u)" Done" >> $PROCESS_LOG_FILE
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echo $(date -u)" Removing Lock File" >> $PROCESS_LOG_FILE
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# fi
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else
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echo $(date -u)" We're in VC. Suppressing all activity..." >> $PROCESS_LOG_FILE
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fi
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rm -rf ${LOCKFILE}
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}
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stop(){
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# Remove our lock file
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rm -rf ${LOCKFILE}
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# Run that command that we wanted to run
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echo $(date -u)" ReIP handler stopped" >> $PROCESS_LOG_FILE
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}
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case "$1" in
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start) start;;
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stop) stop;;
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*)
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echo $"Usage: $0 {start|stop}"
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exit 1
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esac
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exit 0
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