From 654e1561707b0da0304022a93f8b1597672f7764 Mon Sep 17 00:00:00 2001
From: primardj <b00168148@mytudublin.ie>
Date: Sun, 3 Mar 2024 18:26:33 +0000
Subject: [PATCH] add cdrom option

---
 vm-start.sh | 48 +++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 45 insertions(+), 3 deletions(-)

diff --git a/vm-start.sh b/vm-start.sh
index 6551922..f7f2750 100755
--- a/vm-start.sh
+++ b/vm-start.sh
@@ -18,6 +18,7 @@ PARAMETTER available
 
 COMMAND available
     init                    Create the conf file in conf/NAME_var.sh
+    init_cdrom              init a RO image/cdrom. The network will have to be set later in the conf file. NO EUFI
     start                   Start the virtual machine using the variabes in conf/NAME_var.sh
     start-backup            Start the virtual machine using the backup volume if it exists.
     create                  Create the virtual machine using the conf in conf/NAME_var.sh
@@ -105,6 +106,24 @@ EOF
 
 }
 
+INIT_cdrom() {
+    echo "Init for a cdrom."
+    echo "Init was already called."
+
+    # necessite au moins l'addresse de l'image en tant que $1
+
+    VMROM="$(basename $1)"
+
+    if [ ! -f "${MAIN_LOCATION}/${LOCATION}/${VMROM}" ]
+    then
+        echo "create directory ${MAIN_LOCATION}/${LOCATION}/"
+        mkdir -p "${MAIN_LOCATION}/${LOCATION}/"
+        cp $1 "${MAIN_LOCATION}/${LOCATION}/${VMROM}"
+    fi
+    echo "CDROM_DISK=\"${VMROM}\"" >> "conf/$NAME-vm_var.sh"
+    echo "Done"
+}
+
 start_the_vm() {
 
     if [ "${network}" == "" ]
@@ -113,13 +132,20 @@ start_the_vm() {
             -net user${FORWARD},hostname=${VMHOSTNAME}"
     fi
 
+    if [ "${CDROM_DISK}" != "" ]
+    then
+        DRIVE="-drive file=${MAIN_LOCATION}/${LOCATION}/${CDROM_DISK},index=2,id=maindrive,media=cdrom"
+    else
+        DRIVE="-drive file=${MAIN_LOCATION}/${LOCATION}/${VMDRIVE},index=2,id=maindrive,media=disk"
+    fi
+
     qemu-system-x86_64 \
         -enable-kvm \
         -cpu host \
         -smp "$NPROC" \
         $network \
         -m "$MEMORY" \
-        -drive file="${MAIN_LOCATION}/${LOCATION}/${VMDRIVE}",index=2,id=maindrive,media=disk \
+        $DRIVE \
         $OPTION
 
 }
@@ -228,9 +254,13 @@ set_net() {
                 echo "error, no mac set"
                 exit 1
             fi
+            if [ "${driver}" == "" ]
+            then
+                driver="virtio-net"
+            fi
             network="${network} \
                 -netdev bridge,id=${1#*:},br=${1#*:} \
-                -device virtio-net,netdev=${1#*:},mac=${mac}"
+                -device ${driver},netdev=${1#*:},mac=${mac}"
             ;;
         "none")
             echo "no interface will be connected."
@@ -370,7 +400,19 @@ case "$2" in
         ;;
     "init")
         echo "Init volume $1"
-        INIT "$1"
+        #INIT "$1"
+        echo "Error, Normally, already called before."
+        ;;
+    "init_cdrom")
+        echo "Init cdrom $1"
+        if [ ! "${INSTALLATION_DISK_LOCATION}" == "" ]
+        then
+            echo "using image disk ${INSTALLATION_DISK_LOCATION}"
+            INIT_cdrom "${INSTALLATION_DISK_LOCATION}"
+        else
+            echo "Error, no image defined." >&2
+            echo "use --create_disk=<loc_disk>" >&2
+        fi
         ;;
     *)
         echo "commande $2 inconnue" >&2