76 lines
2.7 KiB
INI
76 lines
2.7 KiB
INI
%pre --erroronfail
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# Get the FD used by subshells to log output
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exec {stdout}>&1
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# Source common functions
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. /tmp/ks-functions.sh
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wlog "pre prestaging install check"
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# First, parse /proc/cmdline to find the boot args
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set -- `cat /proc/cmdline`
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for I in $*; do case "$I" in *=*) eval $I 2>/dev/null;; esac; done
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for J in $*; do case "$J" in force_install) force_install=${J};; esac; done
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# if force_install is set, install anyway. Ignore the remainder of this section.
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if [ -z ${force_install} ]; then
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if [ -z "$rootfs_device" ]; then
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rootfs_device=$(get_disk_dev)
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fi
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orig_rootfs_device=$rootfs_device
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by_path_rootfs_device=$(get_by_path $rootfs_device)
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rootfs_device=$(get_disk $by_path_rootfs_device)
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wlog "Found rootfs $orig_rootfs_device on: $by_path_rootfs_device->$rootfs_device."
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part_numbers=( $(parted -s ${rootfs_device} print | awk '$1 == "Number" {i=1; next}; i {print $1}') )
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# print the partnumber info for informational purposes
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for i in ${part_numbers[@]}; do
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wlog "partnumber: ${i}"
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done
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# Get the correct rootfs prefix
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ROOTFS_PART_PREFIX=${rootfs_device}
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# check if rootfs part is nvme (eg. /dev/nvme0n1). The partitions have a "p" in the part prefix.
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# for example, /dev/nvme0n1p1
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# so we need to add the letter "p" to get the prefix.
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# The part numbers will be used later in the code.
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case $rootfs_device in
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*"nvme"*)
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ROOTFS_PART_PREFIX=${ROOTFS_PART_PREFIX}p
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;;
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esac
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# temporary mount directory
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temp_mount=/mnt
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wlog "Searching for existing installation..."
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for part in "${part_numbers[@]}"; do
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device=${ROOTFS_PART_PREFIX}${part}
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wlog "Searching on ${device}"
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# mount this part at a temporary mount point
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mount ${device} ${temp_mount}
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if [ $? -ne 0 ]; then
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wlog "unable to mount ${device}"
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continue
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fi
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# Check for the presence of install_uuid in one of the partitions on
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# the root device
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if [ -e ${temp_mount}/var/www/pages/feed/rel-xxxPLATFORM_RELEASExxx/install_uuid ]; then
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wlog "Found valid installation on ${device}"
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umount ${temp_mount}
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# do not modify the system in any way
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report_pre_failure_with_msg "Prestage rejected. Existing installation detected. Please eject the media before rebooting."
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fi
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umount ${temp_mount}
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done
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wlog "Installing Prestaged content. No existing installation found."
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else
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# force install inspite of existing installation
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wlog "Force install the prestage content"
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wlog "Installing Prestaged content. All existing installations will be lost."
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fi
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%end
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