Introduced SDCard helper for RPi

Author: MaStr

piratebox/piratebox/rpi/bin/sdcard_share.sh

@@ -0,0 +1,103 @@
+#/bin/bash
+
+# This script enables the SDCard as ext4  to be used as storage
+# it also activates some spare for swap
+
+MOUNTPOINT="/mnt/sdshare"
+FS="ext4"
+
+
+SDCARD="/dev/mmcblk0"
+
+if test -e "$SDCARD"p3 ; then
+    echo "ERROR: SWAP already exists"
+    exit 1
+fi
+
+if test -e "$SDCARD"p4 ; then
+    echo "ERROR: Data partition already exists"
+    exit 1
+fi
+
+echo "Creating partitions.."
+fdisk "$SDCARD" <<EOF
+n
+p
+3
+
++256M
+n
+p
+4
+
+
+w
+
+
+EOF
+
+echo Reloading partition table
+partprobe "$SDCARD"
+
+if test -e  "$SDCARD"p3 ; then
+    if test -e  "$SDCARD"p4 ; then
+        echo "Ok, all partitions available"
+    else
+        echo "ERROR: Data partition is missing."
+        exit 1
+    fi
+else
+    echo "ERROR: SWAP missing."
+    exit 1
+fi
+
+mkswap /dev/mmcblk0p3 
+if [ $? -ne 0 ] ; then
+    echo "Error formating swap"
+    exit 1
+fi
+
+SWAP_UUID=$( blkid | grep "/dev/mmc*.*TYPE=\"swap\"" | egrep -o " UUID=\"([a-zA-Z0-9-])*\"" | sed 's/ //g' )
+
+if grep -q "${SWAP_UUID}" /etc/fstab ; then
+    echo "Error: swap is already configured in fstab"
+    exit 1
+fi
+
+echo "Adding swap to fstab"
+echo "${SWAP_UUID} none swap defaults 0 0" >> /etc/fstab 
+
+echo "Creating data partition"
+mkfs.ext4 -F "$SDCARD"p4 
+if [ $? -ne 0 ] ; then
+    echo "Error formating data"
+    exit 1
+fi
+
+DATA_UUID=$( blkid | grep "${SDCARD}p4.*TYPE=\"ext4\"" | egrep -o " UUID=\"([a-zA-Z0-9-])*\"" | sed 's/ //g' )
+if  grep -q "${DATA_UUID}" /etc/fstab ; then
+    echo "Error: data is already configured in fstab"
+    exit 1
+fi
+
+echo "${DATA_UUID} ${MOUNTPOINT} ext4 defaults,noatime,nodiratime,data=writeback 0 0 ">> /etc/fstab
+
+mkdir -p "${MOUNTPOINT}"
+mount "${MOUNTPOINT}"
+
+if [ $? -ne 0 ] ; then
+    echo "ERROR mounting data partion"
+    exit 1
+fi
+
+echo "## Moving files..."
+mv /opt/piratebox/share "${MOUNTPOINT}/share" > /dev/null 2>&1
+ln -s "${MOUNTPOINT}/share" /opt/piratebox/share > /dev/null
+
+
+# Force update diskwirte
+touch -t 197001010101 /opt/piratebox/www/diskusage.html
+wget http://127.0.0.1/cgi-bin/diskwrite.py -q -O -
+
+exit 0
+