7564b060e4
While migrating to SONiC 20181130, identified a couple of issues: 1. union-mount needs /host/machine.conf parameters for vendor specific checks : however, in case of migration, the /host/machine.conf is extracted from ONIE only in https://github.com/Azure/sonic-buildimage/blob/master/files/image_config/platform/rc.local#L127. 2. Since grub.cfg is updated to have net.ifnames=0 biosdevname=0, 70-persistent-net.rules changes are no longer required.
346 lines
12 KiB
Bash
Executable File
346 lines
12 KiB
Bash
Executable File
#!/bin/sh -x
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#
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# rc.local
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#
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# This script is executed at the end of each multiuser runlevel.
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# Make sure that the script will "exit 0" on success or any other
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# value on error.
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#
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# In order to enable or disable this script just change the execution
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# bits.
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#
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# By default this script does nothing.
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SONIC_VERSION=$(sonic-cfggen -y /etc/sonic/sonic_version.yml -v build_version)
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FIRST_BOOT_FILE="/host/image-${SONIC_VERSION}/platform/firsttime"
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# In case the unit is migrating from another NOS, save the logs
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log_migration() {
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echo $1 >> /host/migration/migration.log
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}
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# Import files from another NOS's partition onto SONiC
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nos_migration_import() {
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[ -f $1 ] && cp $1 $2 || log_migration "ERROR: $1 not found!"
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}
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# While migrating form another NOS, we need to preserve the MAC addresses
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# of eth0 (and eventually switchports).
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# Update the eth0 mac and also the EEPROM using ethtool so that subsequent
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# reboots use the NOS's mac.
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# Input : mgmt_interface.cfg file imported from the previous NOS.
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update_mgmt_interface_macaddr() {
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mgmt_config=$1
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if [ ! -f "$mgmt_config" ]; then
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log_migration "ERROR : unable update eth0 MAC : $mgmt_config not found!"
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return
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fi
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# Save the previous NOS's mac
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old_mac=`ip link show eth0 | grep ether | awk '{print $2}'`
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[ -z "$old_mac" ] && log_migration "Unable to retrieve old mac address !" && return
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# Extract, validate and set the eth0's mac address for the current session
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new_mac=$(grep "macaddr" $mgmt_config | awk -F'=' '{print $2}')
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log_migration "Setting eth0 mac as $new_mac."
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if [ `echo $new_mac | egrep "^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$"` ]; then
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ip link set eth0 down
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ip link set eth0 address $new_mac
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ip link set eth0 up
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else
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log_migration "ERROR: mac imported from NOS is invalid : $new_mac !"
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return
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fi
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# Get the ethtool magic and offset for changing the mac address in the EEPROM
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ethtool_magic=$(grep "ethtool_magic" $mgmt_config | awk -F'=' '{print $2}')
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ethtool_offset=$(grep "ethtool_offset" $mgmt_config | awk -F'=' '{print $2}')
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if [ -z "$ethtool_magic" ] || [ -z "$ethtool_offset" ]; then
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log_migration "Unable to retrieve ethtool params ($ethtool_magic,$ethtool_offset)"
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return
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fi
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log_migration "eth0 mac in EEPROM before update:"
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ethtool -e eth0 offset $ethtool_offset length 6 >> /host/migration/migration.log
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# Update the mac address in the EEPROM for subsequent reboots
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# Write only changed octets
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for i in 1 2 3 4 5 6; do
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offset=$(($ethtool_offset+$i-1))
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old_mac_octet="$(echo $old_mac | cut -d":" -f$i)"
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new_mac_octet="$(echo $new_mac | cut -d":" -f$i)"
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if [ "$old_mac_octet" != "$new_mac_octet" ]; then
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ethtool -E eth0 magic $ethtool_magic offset $offset value 0x$new_mac_octet
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if [ $? != 0 ]; then
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log_migration "ERROR: unable to update eth0 EEPROM!"
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log_migration "index $i, magic $ethtool_magic offset $offset, value $new_mac_octet"
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return
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fi
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fi
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done
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log_migration "eth0 mac in EEPROM after update:"
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ethtool -e eth0 offset $ethtool_offset length 6 >> /host/migration/migration.log
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}
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firsttime_exit() {
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rm -rf $FIRST_BOOT_FILE
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exit 0
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}
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# Given a string of tuples of the form field=value, extract the value for a field
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# In : $string, $field
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# Out: $value
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value_extract() {
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set -- $string
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for x in "$@"; do
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case "$x" in
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$field=*)
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value="${x#$field=}"
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esac
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done
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}
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program_console_speed()
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{
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speed=$(cat /proc/cmdline | grep -Eo 'console=ttyS[0-9]+,[0-9]+' | cut -d "," -f2)
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if [ -z "$speed" ]; then
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CONSOLE_SPEED=9600
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else
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CONSOLE_SPEED=$speed
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fi
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sed -i "s|\-\-keep\-baud .* %I| $CONSOLE_SPEED %I|g" /lib/systemd/system/serial-getty@.service
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systemctl daemon-reload
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}
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#### Begin Main Body ####
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logger "SONiC version ${SONIC_VERSION} starting up..."
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# If the machine.conf is absent, it indicates that the unit booted
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# into SONiC from another NOS. Extract the machine.conf from ONIE.
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if [ ! -e /host/machine.conf ]; then
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mkdir -p /host/migration
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onie_dev=$(blkid | grep ONIE-BOOT | head -n 1 | awk '{print $1}' | sed -e 's/:.*$//')
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mkdir -p /mnt/onie-boot
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mount $onie_dev /mnt/onie-boot
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onie_grub_cfg=/mnt/onie-boot/onie/grub/grub-machine.cfg
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if [ ! -e $onie_grub_cfg ]; then
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log_migration "$onie_grub_cfg not found"
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else
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. ./$onie_grub_cfg
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grep = $onie_grub_cfg | sed -e 's/onie_//' -e 's/=.*$//' | while read var ; do
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eval val='$'onie_$var
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echo "onie_${var}=${val}" >> /host/machine.conf
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done
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fi
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# Extract the previous NOS's partition that contains the migration artifacts
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set -- $(cat /proc/cmdline)
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for x in "$@"; do
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case "$x" in
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nos-config-part=*)
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nos_val="${x#nos-config-part=}"
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;;
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esac
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done
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if [ -n "$nos_val" ]; then
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nos_dev=$(findfs $nos_val)
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if [ $? != 0 ]; then
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log_migration "ERROR: nos_dev not found. Check grub parameters"
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fi
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else
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log_migration "ERROR: nos_val not found. Check grub parameters"
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fi
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if [ -n "$nos_dev" ]; then
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# Mount the previous NOS's partition
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NOS_DIR=/mnt/nos_migration
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MG_GZFILE=$NOS_DIR/minigraph.xml.gz.base64.txt
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MG_FILE=$NOS_DIR/minigraph.xml
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ACL_GZFILE=$NOS_DIR/acl.json.gz.base64.txt
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ACL_FILE=$NOS_DIR/acl.json
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SNMP_FILE=$NOS_DIR/snmp.yml
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mkdir -p $NOS_DIR
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mount $nos_dev $NOS_DIR
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mkdir -p /host/fast-reboot
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# decode & unzip minigraph.xml.gz.base64.txt
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[ -f $MG_GZFILE ] && /usr/bin/base64 -d $MG_GZFILE | /bin/gunzip > $MG_FILE
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[ -f $ACL_GZFILE ] && /usr/bin/base64 -d $ACL_GZFILE | /bin/gunzip > $ACL_FILE
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# Copy relevant files
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nos_migration_import $NOS_DIR/mgmt_interface.cfg /host/migration
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nos_migration_import $MG_FILE /host/migration
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nos_migration_import $ACL_FILE /host/migration
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nos_migration_import $SNMP_FILE /host/migration
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nos_migration_import $NOS_DIR/arp.json /host/fast-reboot
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nos_migration_import $NOS_DIR/fdb.json /host/fast-reboot
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nos_migration_import $NOS_DIR/default_routes.json /host/fast-reboot
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umount $NOS_DIR
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rmdir $NOS_DIR
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fi
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update_mgmt_interface_macaddr /host/migration/mgmt_interface.cfg
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migration="TRUE"
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umount /mnt/onie-boot
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fi
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. /host/machine.conf
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program_console_speed
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if [ -f $FIRST_BOOT_FILE ]; then
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echo "First boot detected. Performing first boot tasks..."
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if [ -n "$aboot_platform" ]; then
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platform=$aboot_platform
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elif [ -n "$onie_platform" ]; then
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platform=$onie_platform
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else
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echo "Unknown SONiC platform"
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firsttime_exit
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fi
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# Try to take old configuration saved during installation
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# and create a flag in /tmp/ to let updategraph service know
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if [ -d /host/old_config ]; then
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mv -f /host/old_config /etc/sonic/
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rm -rf /etc/sonic/old_config/old_config
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touch /tmp/pending_config_migration
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elif [ -f /host/minigraph.xml ]; then
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mkdir -p /etc/sonic/old_config
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mv /host/minigraph.xml /etc/sonic/old_config/
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[ -f /host/acl.json ] && mv /host/acl.json /etc/sonic/old_config/
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[ -f /host/snmp.yml ] && mv /host/snmp.yml /etc/sonic/old_config/
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touch /tmp/pending_config_migration
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elif [ -n "$migration" ] && [ -f /host/migration/minigraph.xml ]; then
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mkdir -p /etc/sonic/old_config
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mv /host/migration/minigraph.xml /etc/sonic/old_config/
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[ -f /host/migration/acl.json ] && mv /host/migration/acl.json /etc/sonic/old_config/
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[ -f /host/migration/snmp.yml ] && mv /host/migration/snmp.yml /etc/sonic/old_config/
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touch /tmp/pending_config_migration
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[ -f /etc/sonic/updategraph.conf ] && sed -i -e "s/enabled=false/enabled=true/g" /etc/sonic/updategraph.conf
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else
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touch /tmp/pending_config_initialization
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fi
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# Notify firstboot to Platform, to use it for reboot-cause
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touch /tmp/notify_firstboot_to_platform
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# Create /host/reboot-cause/platform/ directory
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# can be used to track last reboot reason by some platforms
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if [ ! -d /host/reboot-cause/platform ]; then
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mkdir -p /host/reboot-cause/platform
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fi
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if [ -d /host/image-$SONIC_VERSION/platform/$platform ]; then
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dpkg -i /host/image-$SONIC_VERSION/platform/$platform/*.deb
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fi
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sync
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# If the unit booted into SONiC from another NOS's grub,
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# we now install a grub for SONiC.
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if [ -n "$onie_platform" ] && [ -n "$migration" ]; then
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grub_bin=$(ls /host/image-$SONIC_VERSION/platform/x86_64-grub/grub-pc-bin*.deb 2> /dev/null)
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if [ -z "$grub_bin" ]; then
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log_migration "Unable to locate grub package !"
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firsttime_exit
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fi
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dpkg -i $grub_bin > /dev/null 2>&1
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if [ $? != 0 ]; then
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log_migration "Unable to install grub package !"
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firsttime_exit
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fi
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# Determine the block device to install grub
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sonic_dev=$(blkid | grep SONiC-OS | head -n 1 | awk '{print $1}' | sed -e 's/[0-9]:.*$//')
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if [ -z "$sonic_dev" ]; then
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log_migration "Unable to determine sonic partition !"
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firsttime_exit
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fi
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grub-install --boot-directory=/host --recheck $sonic_dev 2>/dev/null
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if [ $? != 0 ]; then
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log_migration "grub install failed !"
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firsttime_exit
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fi
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# The SONiC "raw" build mode has already generated a proto grub.cfg
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# as part of the migration. Platform specific constants need to be
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# retrieved from installer.conf (if present) and assigned.
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. /usr/share/sonic/device/$platform/installer.conf
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if [ ! -z "$CONSOLE_PORT" ]; then
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field="\-\-port"
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string=$(grep $field /host/grub.cfg)
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value_extract $string $field
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console_port=$value
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if [ ! -z "$console_port" ] && [ "$console_port" != "$CONSOLE_PORT" ]; then
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sed -i -e "s/\-\-port=$console_port/\-\-port=$CONSOLE_PORT/g" /host/grub.cfg
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fi
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log_migration "grub.cfg console port=$console_port & installer.conf CONSOLE_PORT=$CONSOLE_PORT"
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fi
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if [ ! -z "$CONSOLE_DEV" ]; then
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field="console"
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string=$(grep $field /host/grub.cfg)
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value_extract $string $field
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console_dev_name=$(echo $value | sed -e "s/^.*=//" -e "s/,.*//")
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console_dev="${console_dev_name#ttyS}"
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if [ "$console_dev" != "$CONSOLE_DEV" ]; then
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sed -i -e "s/console=ttyS$console_dev/console=ttyS$CONSOLE_DEV/g" /host/grub.cfg
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fi
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log_migration "grub.cfg console dev=$console_dev & installer.conf CONSOLE_DEV=$CONSOLE_DEV"
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fi
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if [ ! -z "$VAR_LOG_SIZE" ]; then
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field="var_log_size"
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string=$(grep $field /host/grub.cfg)
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value_extract $string $field
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var_log_size=$value
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if [ ! -z "$var_log_size" ] && [ "$var_log_size" != "$VAR_LOG_SIZE" ]; then
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sed -i -e "s/var_log_size=$var_log_size/var_log_size=$VAR_LOG_SIZE/g" /host/grub.cfg
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fi
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log_migration "grub.cfg var_log_size=$var_log_size & installer.conf VAR_LOG_SIZE=$VAR_LOG_SIZE"
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fi
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# Set the root based on the label
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sonic_root=$(blkid | grep SONiC-OS | head -n 1 | awk '{print $1}' | sed -e 's/:.*$//')
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sonic_root=$(echo "$sonic_root" | sed 's/\//\\\//g')
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sed -i -e "s/%%SONIC_ROOT%%/$sonic_root/g" /host/grub.cfg
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# Add the Diag and ONIE entries
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mount $onie_dev /mnt/onie-boot
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. /mnt/onie-boot/onie/grub.d/50_onie_grub >> /host/grub.cfg
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umount /mnt/onie-boot
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# Initialize the SONiC's grub config
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mv /host/grub.cfg /host/grub/grub.cfg
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fi
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# Create dir where following scripts put their output files
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mkdir -p /var/platform
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firsttime_exit
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fi
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# Copy the fsck log into syslog
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if [ -f /var/log/fsck.log.gz ]; then
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gunzip -d -c /var/log/fsck.log.gz | logger -t "FSCK"
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rm -f /var/log/fsck.log.gz
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fi
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exit 0
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