Update 'prep_system.sh'

prep_system.sh

@@ -1,12 +1,12 @@
 #!/bin/bash
-PI_SERIAL="6218cd17"
-ISCSI_TARGET_IQN="iqn.2000-01.com.synology:SynologyNAS.Target-11.b63ef49539c"
-ISCSI_INITIATOR_IQN="iqn.1993-08.org.debian:01:9174e3877a3"
 
+ISCSI_TARGET_IQN="iqn.2000-01.com.synology:SynologyNAS.Target-13.b63ef49539c"
+ISCSI_TARGET_IP="192.168.1.5"
 
+PI_SERIAL="$(vcgencmd otp_dump | grep 28: | sed s/.*://g)"
+ISCSI_INITIATOR_IQN="$(tail -1 /etc/iscsi/initiatorname.iscsi | grep InitiatorName | cut -d '=' -f 2 | tr -d '"')"
 ISCSI_DEVICE="/dev/sda"
 ISCSI_ROOT_PARTITION="/dev/sda1"
-ISCSI_TARGET_IP="192.168.1.5"
 TFTP_ROOT="/volume1/rpi/tftpboot/"
 PI_HOSTNAME=$(hostname)
 PI_IP=$(ifconfig eth0 | awk '/inet /{ print $2;}')
@@ -19,11 +19,47 @@ NFS_DIR="/nfs/$(hostname -s)-boot"
 NFS_IP=${ISCSI_TARGET_IP}
 NFS_ROOT_PATH="${TFTP_ROOT}${PI_SERIAL}"
 ISCSI_ROOT_DIR="/iscsi/$(hostname -s)-iscsi"
+#ISCSI_ROOT_UUID=$(sudo blkid | grep ${ISCSI_ROOT_PARTITION} | tr ' ' '\n' | grep -w UUID | cut -d '=' -f 2 | tr -d '"')
+#ISCSI_ROOT_PARTUUID=$(sudo blkid | grep ${ISCSI_ROOT_PARTITION} | tr ' ' '\n' | grep PARTUUID | cut -d '=' -f 2 | tr -d '"')
+
+#Make sure ISCSI Initiator IQN is set
+sudo iscsiadm \
+  --mode discovery \
+  --type sendtargets \
+  --portal ${ISCSI_TARGET_IP}
+
+#Install Required Software
+apt -y install net-tools nfs-common open-iscsi
+
+#Install libraspberrypi-lib if not installed
+LIBRASPBERRYPI_BIN_INSTALLED=$(apt-cache policy libraspberrypi-bin | grep 'Installed' | cut -d ':' -f 2)
+LIBRASPBERRYPI_BIN_IS_INSTALLED=" (none)"
+
+if [ "${LIBRASPBERRYPI_BIN_INSTALLED}" = "${LIBRASPBERRYPI_BIN_IS_INSTALLED}" ]
+then
+   apt -y install libraspberrypi-bin
+   echo "ISCSI_INITIATOR_IQN=${ISCSI_INITIATOR_IQN}"
+   echo ""
+   echo ""
+   echo "Please re-run the script after rebooting"
+   echo ""
+   read -p "Press any key to reboot ..."
+   reboot now
+else
+   echo ""
+   echo ""
+   echo ""
+   echo ""
+   echo "Make sure the ISCSI and NFS targets are set op on the server"
+   echo ""
+   echo "ISCSI_INITIATOR_IQN=${ISCSI_INITIATOR_IQN}"
+   read -p "PI_SERIAL=${PI_SERIAL}"
+fi
 
 # Copy over to the TFTP server, via the NFS mount.
 mkdir -p /nfs/$(hostname -s)-boot
 mount ${NFS_IP}:${NFS_ROOT_PATH} /nfs/$(hostname -s)-boot
-rsync -a --delete /boot/ /nfs/$(hostname -s)-boot
+rsync --info=progress2 -a --delete /boot/ /nfs/$(hostname -s)-boot
 
 update-initramfs -v -k "$(uname -r)" -c -b /nfs/$(hostname -s)-boot
 
@@ -33,83 +69,74 @@ update-initramfs -v -k "$(uname -r)" -c -b /nfs/$(hostname -s)-boot
 # https://git.kernel.org/pub/scm/libs/klibc/klibc.git/tree/usr/kinit/ipconfig/README.ipconfig
 # However, don't put anything after static in the line below, because it completely breaks
 # everything in a very non-obvious way.
-cp cmdline.txt /nfs/$(hostname -s)-boot/cmdline.txt
+
+touch /nfs/$(hostname -s)-boot/cmdline.txt
 cp config.txt /nfs/$(hostname -s)-boot/config.txt
-#sed -i -r -e \
-#  "s/$/ ip=${PI_IP}:::${PI_NETMASK}:${PI_HOSTNAME}:eth0:static ISCSI_INITIATOR=${ISCSI_INITIATOR_IQN} ISCSI_TARGET_NAME=${ISCSI_TARGET_IQN} ISCSI_TARGET_IP=${ISCSI_TARGET_IP} rw/g" \
-#  /nfs/$(hostname -s)-boot/cmdline.txt
 
-# Update /boot/config.txt to use our new initramfs.
+sed -i -r -e \
-#sed -i -r -e \
+  "s/$/ net.ifnames=0 dwc_otg.lpm_enable=0 console=serial0,115200 console=tty1 rootfstype=btrfs elevator=deadline rootwait fixrtc ip=dhcp root=UUID=${ISCSI_ROOT_UUID}$ISCSI_INITIATOR=${ISCSI_INITIATOR_IQ>
-#  "s@\[pi4\]@[pi4]\ninitramfs initrd.img-$(uname -r) followkernel@" \
+  /nfs/$(hostname -s)-boot/cmdline.txt
-#  /nfs/$(hostname -s)-boot/config.txt
 
-#umount /nfs/$(hostname -s)-boot
+#Mount ISCSI
-
+#sudo iscsiadm \
-
-#Mount iSCSI
-sudo iscsiadm \
-  --mode discovery \
-  --type sendtargets \
-  --portal ${ISCSI_TARGET_IP}
 sudo iscsiadm \
   --mode node \
   --targetname ${ISCSI_TARGET_IQN} \
   --portal ${ISCSI_TARGET_IP} \
   --login
 
+#read -p "Pausing after iscsiadm"
+# Sleep otherwise it errors
+sleep 5
 
+# Partition the ISCSI Device
 sudo parted ${ISCSI_DEVICE} mklabel gpt
+sleep 5
 sudo parted --align optimal ${ISCSI_DEVICE} mkpart primary btrfs 0% 100%
+sleep 5
 
 # Create the btrfs Filesystem
-sudo mkfs.btrfs -f /${ISCSI_ROOT_PARTITION}
+yes | sudo mkfs.btrfs -f /${ISCSI_ROOT_PARTITION}
+sleep 5
 sudo mkdir -p ${ISCSI_ROOT_DIR}
 sudo mount "${ISCSI_ROOT_PARTITION}" ${ISCSI_ROOT_DIR}
 
-# Mount the Root Partion in the Generated Image
+# Copy the root filesystem
-#CREATION_OUTPUT=$(sudo partx --add -v output-arm-image/image)
-#LOOP_DEVICE=$(echo ${CREATION_OUTPUT} | sed -E 's@.*(/dev/loop[0-9]+).*@\1@')
-#IMAGE_ROOT_DIR="$(mktemp -d)"
-#sudo mount "${LOOP_DEVICE}p2" ${IMAGE_ROOT_DIR}
-
-# Begin the Copy
 sudo rsync -xa --info=progress2 --exclude /nfs --exclude /iscsi / ${ISCSI_ROOT_DIR}
 
 
 # Update /boot to point to the NFS mount of the TFTP folder for the Pi.
-#sudo sed -i -r -E \
+sudo sed -i -r -E \
-#  "s@.*/boot +.*@${NFS_IP}:${NFS_ROOT_PATH} /boot nfs defaults,proto=tcp 0 0@" \
+  "s@.*/boot +.*@${NFS_IP}:${NFS_ROOT_PATH} /boot nfs defaults,proto=tcp 0 0@" \
-#  ${ISCSI_ROOT_DIR}/etc/fstab
+  ${ISCSI_ROOT_DIR}/etc/fstab
 
 # Update / to point to the iSCSI drive.
-ISCSI_ROOT_PARTUUID=$(sudo blkid | grep ${ISCSI_ROOT_PARTITION} | tr ' ' '\n' | grep PARTUUID | cut -d '=' -f 2 | tr -d '"')
+sudo sed -i -r -E \
-#sudo sed -i -r -E \
+  "s@.*/ +.*@PARTUUID=${ISCSI_ROOT_PARTUUID} / btrfs _netdev,noatime 0 1@" \
-#  "s@.*/ +.*@PARTUUID=${ISCSI_ROOT_PARTUUID} / btrfs _netdev,noatime 0 1@" \
+  ${ISCSI_ROOT_DIR}/etc/fstab
-#  ${ISCSI_ROOT_DIR}/etc/fstab
-  
-# The connection to the iSCSI device is no longer needed, so clean it up.
-#sudo umount ${ISCSI_ROOT_DIR}
-#sudo iscsiadm --m node -T ${ISCSI_TARGET_IQN} --portal ${ISCSI_TARGET_IP}:3260 -u
-#sudo iscsiadm -m node -o delete -T ${ISCSI_TARGET_IQN} --portal ${ISCSI_TARGET_IP}:3260
-
-# Mount the NFS Folder
-#NFS_DIR="$(mktemp -d)"
-#sudo mount ${NFS_IP}:${NFS_ROOT_PATH} ${NFS_DIR}
-
-# Update the PARTUUID
-#sudo sed -i -r -E \
-#  "s@(.*root=PARTUUID=)[A-Za-z0-9-]+(.*)@\1${ISCSI_ROOT_PARTUUID}\2@" \
-#  ${NFS_DIR}/cmdline.txt
-  
-# Unmount the NFS Folder
-#sudo umount ${NFS_DIR}
 
+# Create links in /boot
 ln /nfs/$(hostname -s)-boot/firmware/bcm2711-rpi-4-b.dtb /nfs/$(hostname -s)-boot/bcm2711-rpi-4-b.dtb
 ln /nfs/$(hostname -s)-boot/firmware/start4.elf /nfs/$(hostname -s)-boot/start4.elf
 ln /nfs/$(hostname -s)-boot/firmware/fixup4.dat /nfs/$(hostname -s)-boot/fixup4.dat
 
-printf ISCSI UUID=
+ISCSI_ROOT_UUID=$(sudo blkid | grep ${ISCSI_ROOT_PARTITION} | tr ' ' '\n' | grep -w UUID | cut -d '=' -f 2 | tr -d '"')
-printf ISCSI PARTUUID=${ISCSI_ROOT_PARTUUID}
+ISCSI_ROOT_PARTUUID=$(sudo blkid | grep ${ISCSI_ROOT_PARTITION} | tr ' ' '\n' | grep PARTUUID | cut -d '=' -f 2 | tr -d '"')
-printf ISCSI TARGET IQN=${ISCSI_TARGET_IQN}
+echo "ISCSI UUID=${ISCSI_ROOT_UUID}"
-printf ISCSI INITIATOR IQN=${ISCSI_INITIATOR_IQN}
+echo "ISCSI PARTUUID=${ISCSI_ROOT_PARTUUID}"
+echo "ISCSI TARGET IQN=${ISCSI_TARGET_IQN}"
+echo "ISCSI INITIATOR IQN=${ISCSI_INITIATOR_IQN}"
+read -p "Installation Is Complete. Please remove the SD card and reboot."
+
+# The connection to the iSCSI device is no longer needed, so clean it up.
+sudo umount ${ISCSI_ROOT_DIR}
+sudo iscsiadm --m node -T ${ISCSI_TARGET_IQN} --portal ${ISCSI_TARGET_IP}:3260 -u
+sudo iscsiadm -m node -o delete -T ${ISCSI_TARGET_IQN} --portal ${ISCSI_TARGET_IP}:3260
+sudo rm -rf ${ISCSI_ROOT_DIR}
+
+# The connection to the NFS device is no longer needed, so clean it up
+sudo umount ${NFS_DIR}
+rm -rf ${NFS_DIR}
+
+# Shutdown
+sudo shutdown now