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Merge pull request #82 from rtgoodwin/more_logging

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More logging & partition start point
This commit is contained in:
cimryan
2018-10-30 15:23:46 -07:00
committed by GitHub
parent 1f7ff2d893 215556acc8
commit c92da69181
2 changed files with 21 additions and 2 deletions
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21
setup/pi/create-backingfiles-partition.sh
View File

@@ -1,8 +1,21 @@
#!/bin/bash -eu
function setup_progress () {
SETUP_LOGFILE=/boot/teslausb-headless-setup.log
HEADLESS_SETUP=${HEADLESS_SETUP:-false}
if [ $HEADLESS_SETUP = "true" ]
then
echo "$( date ) : $1" >> "$SETUP_LOGFILE"
fi
echo $1
}
BACKINGFILES_MOUNTPOINT="$1"
MUTABLE_MOUNTPOINT="$2"
setup_progress "Checking existing partitions..."
PARTITION_TABLE=$(parted -m /dev/mmcblk0 unit B print)
DISK_LINE=$(echo "$PARTITION_TABLE" | grep -e "^/dev/mmcblk0:")
DISK_SIZE=$(echo "$DISK_LINE" | cut -d ":" -f 2 | sed 's/B//' )
@@ -15,19 +28,23 @@ LAST_BACKINGFILES_PARTITION_DESIRED_BYTE="$(( $DISK_SIZE - (100 * (2 ** 20)) - 1
ORIGINAL_DISK_IDENTIFIER=$( fdisk -l /dev/mmcblk0 | grep -e "^Disk identifier" | sed "s/Disk identifier: 0x//" )
setup_progress "Modifying partition table for backing files partition..."
BACKINGFILES_PARTITION_END_SPEC="$(( $LAST_BACKINGFILES_PARTITION_DESIRED_BYTE / 1000000 ))M"
parted -a optimal -m /dev/mmcblk0 unit B mkpart primary ext4 "$FIRST_BACKINGFILES_PARTITION_BYTE" "$BACKINGFILES_PARTITION_END_SPEC"
LAST_BACKINGFILES_PARTITION_BYTE=$(parted -m /dev/mmcblk0 unit B print | grep -e "^3:" | cut -d ":" -f 3 | sed 's/B//g' )
MUTABLE_PARTITION_START_SPEC="$(( $LAST_BACKINGFILES_PARTITION_BYTE / 1000000 ))M"
parted -a optimal -m /dev/mmcblk0 unit B mkpart primary ext4 "$MUTABLE_PARTITION_START_SPEC" 100%
setup_progress "Modifying partition table for mutable (writable) partition for script usage..."
MUTABLE_PARTITION_START_SPEC="$BACKINGFILES_PARTITION_END_SPEC"
parted -a optimal -m /dev/mmcblk0 unit B mkpart primary ext4 "$MUTABLE_PARTITION_START_SPEC" 100%
NEW_DISK_IDENTIFIER=$( fdisk -l /dev/mmcblk0 | grep -e "^Disk identifier" | sed "s/Disk identifier: 0x//" )
setup_progress "Writing updated partitions to fstab and /boot/cmdline.txt"
sed -i "s/${ORIGINAL_DISK_IDENTIFIER}/${NEW_DISK_IDENTIFIER}/g" /etc/fstab
sed -i "s/${ORIGINAL_DISK_IDENTIFIER}/${NEW_DISK_IDENTIFIER}/" /boot/cmdline.txt
setup_progress "Formatting new partitions..."
mkfs.ext4 -F /dev/mmcblk0p3
mkfs.ext4 -F /dev/mmcblk0p4

2
setup/pi/setup-teslausb
View File

@@ -16,6 +16,7 @@ then
fi
function setup_progress () {
SETUP_LOGFILE=/boot/teslausb-headless-setup.log
if [ $HEADLESS_SETUP = "true" ]
then
echo "$( date ) : $1" >> "$SETUP_LOGFILE"
@@ -169,6 +170,7 @@ function create_usb_drive_backing_files () {
if [ ! -e /dev/mmcblk0p3 ]
then
setup_progress "Starting to create backing files partition..."
/tmp/create-backingfiles-partition.sh "$BACKINGFILES_MOUNTPOINT" "$MUTABLE_MOUNTPOINT"
fi