Add proto customization mecanism

convert_to_vbox.sh

@@ -5,15 +5,16 @@ set -e
 
 
 OUTPUT_FOLDER=output
-OUTPUT_IMG=$OUTPUT_FOLDER/mini-ubuntu.img
-OUTPUT_VDI=$OUTPUT_FOLDER/mini-ubuntu.vdi
-OUTPUT_OVA=$OUTPUT_FOLDER/mini-ubuntu.ova
+OUTPUT_IMG=$OUTPUT_FOLDER/mini-ubuntu-customized.img
+OUTPUT_VDI=$OUTPUT_FOLDER/mini-ubuntu-customized.vdi
+OUTPUT_OVA=$OUTPUT_FOLDER/mini-ubuntu-customized.ova
 
 
 VBoxManage unregistervm "mini-ubuntu" --delete || true
 
-rm -rf vbox
-mkdir -p vbox
+mkdir -p $OUTPUT_FOLDER
+rm $OUTPUT_VDI || true
+rm $OUTPUT_OVA || true
 
 VBoxManage convertfromraw --format vdi $OUTPUT_IMG $OUTPUT_VDI
 VBoxManage createvm --name "mini-ubuntu" --ostype "Ubuntu_64" --register --basefolder $OUTPUT_FOLDER

create_base_img.sh

@@ -7,7 +7,7 @@ set -e
 UBUNTU_VERSION=20.10
 ISO_FOLDER=isos
 OUTPUT_FOLDER=output
-OUTPUT_IMG=$OUTPUT_FOLDER/mini-ubuntu.img
+OUTPUT_IMG=$OUTPUT_FOLDER/mini-ubuntu-base.img
 
 # Intermediate variables
 ISO=$(curl -s http://releases.ubuntu.com/$UBUNTU_VERSION/ | grep "server install image</a>" | cut -d'"' -f 2)

customize_base_image.sh

 #!/bin/bash
 
+set -x
+set -e
+
+
+if [ $# -ne 1 ]; 
+    then 
+    echo "Illegal number of parameters"
+    exit 2
+fi
+
+CUSTOMIZATION_FOLDER=$1
+CUSTOMIZATION_FOLDER_BASE=$(basename $CUSTOMIZATION_FOLDER)
+
+
+function cleanup() {
+    sudo rm /mnt/etc/resolv.conf || true
+    sudo umount -f -l /mnt || true
+    sudo vgchange -an ubuntu-vg || true
+    sudo kpartx -d "$LOOP" || true
+    sudo losetup -D
+    sudo dmsetup remove_all
+}
+
+cleanup
+
 # Variables
-#TODO
+OUTPUT_FOLDER=output
+BASE_IMG=$OUTPUT_FOLDER/mini-ubuntu-base.img
+CUSTOMIZED_IMG=$OUTPUT_FOLDER/mini-ubuntu-customized.img
+LOOP=$(sudo losetup -f)
+
+# Copy base img if needed
+touch $CUSTOMIZED_IMG
+# if [ ! "$(md5sum $BASE_IMG)" = "$(md5sum $CUSTOMIZED_IMG)" ]
+if ! cmp --silent $BASE_IMG $CUSTOMIZED_IMG 
+then
+    rm $CUSTOMIZED_IMG || true
+    cp $BASE_IMG $CUSTOMIZED_IMG
+fi
 
 # Mount img file
-#TODO
+sudo losetup "$LOOP" $CUSTOMIZED_IMG
+sudo kpartx -a "$LOOP"  
+sudo vgscan
+sudo vgchange -ay 
+sudo mount /dev/ubuntu-vg/ubuntu-lv /mnt 
 
-# Copy data in /root
-#TODO
+# Enable DNS in chroot
+sudo cp /etc/resolv.conf /mnt/etc || true
 
-# Copy script in /root
-#TODO
+# Copy data in /root
+sudo cp -R $CUSTOMIZATION_FOLDER /mnt/root
 
 # Chroot and run script
-#TODO
\ No newline at end of file
+sudo chroot /mnt /bin/bash /root/$CUSTOMIZATION_FOLDER_BASE/run.sh
+
+# Cleanup and exit
+cleanup
\ No newline at end of file

example-customization/run.sh

+#!/bin/bash
+
+set -x
+set -e
+
+mkdir -p /home/etudiant/Bureau
+touch /home/etudiant/Bureau/Hello
\ No newline at end of file