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[mellanox] Upgrade FW if neccesary before fast reboot #309

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Aug 29, 2018
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[mellanox] Upgrade FW if neccesary before fast reboot #309

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16 changes: 16 additions & 0 deletions scripts/fast-reboot
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,22 @@ INITRD=$(echo $KERNEL_IMAGE | sed 's/vmlinuz/initrd.img/g')

sonic_asic_type=$(sonic-cfggen -y /etc/sonic/sonic_version.yml -v asic_type)

# Install new FW for mellanox platforms before control plane goes down
# So on boot switch will not spend time to upgrade FW increasing the CP downtime
if [[ "$sonic_asic_type" == "mellanox" ]];
then
CURRENT_SONIC_IMAGE=$(sonic_installer list | grep "Current: " | cut -d ' ' -f 2)
if [[ "${CURRENT_SONIC_IMAGE}" != "${NEXT_SONIC_IMAGE}" ]]; then
echo "Prepare ASIC to fast reboot: install new FW if requiered"
NEXT_IMAGE_FS_PATH="/host/image-${NEXT_SONIC_IMAGE#SONiC-OS-}/fs.squashfs"
FS_MOUNTPOINT="/tmp/image-${NEXT_SONIC_IMAGE#SONiC-OS-}-fs"
mkdir -p "$FS_MOUNTPOINT"
mount -t squashfs "$NEXT_IMAGE_FS_PATH" "$FS_MOUNTPOINT"
/usr/bin/mlnx-fw-upgrade.sh "$FS_MOUNTPOINT/etc/mlnx/fw-SPC.mfa"
umount "$FS_MOUNTPOINT"
fi
fi

# Load kernel into the memory
/sbin/kexec -l "$KERNEL_IMAGE" --initrd="$INITRD" --append="$BOOT_OPTIONS"

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