initial commit

shemum

@@ -0,0 +1,82 @@
+#!/usr/bin/env sh
+#
+# Author: Adrian Erik Hoemann
+# Date: 9.18.2024
+# 
+# Dependencies:
+# * qemu
+# * sh
+# * curl
+
+
+# Debug mode
+# To enable debug mode remove the comment.
+# Default: OFF
+#set +x
+
+# Virtual machine settings
+RAM="512M"
+CPU="1"
+DISK_SIZE="8G"
+
+# Arguments
+OPTION=$1
+OS_NAME=$2
+#DISK_SIZE=$3
+
+# Defining paths
+ISO_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.iso"
+IMG_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.img"
+ROOT_PATH="~/Machines"
+
+# Defines install image repository.
+case $OS_NAME in
+  "openbsd")
+    INSTALL_IMG="https://cdn.openbsd.org/pub/OpenBSD/7.5/i386/cd75.iso"
+  ;;
+  "debian")
+    INSTALL_IMG=""
+  ;;
+esac
+
+# Options
+case $OPTION in
+  # Initializes the VM and starts the installer image.
+  "init")
+    mkdir -p "$ROOT_PATH/$OS_NAME"
+    qemu-img create $IMG_PATH $DISK_SIZE
+    if [ ! -f $ISO_PATH ] && [ ! -z $INSTALL_IMG ]; then
+      echo $INSTALL_IMG
+      curl -o $ISO_PATH $INSTALL_IMG
+    elif [ -z $INSTALL_IMG ]; then
+      echo "Current INSTALL_IMG for $OS_NAME: $INSTALL_IMG"
+    else:
+      echo "ERROR: Enable debug mode by uncommenting: setx"
+      exit 1
+    fi
+    qemu-system-x86_64 -boot d                    \
+                      -display curses            \
+                      -cdrom $ISO_PATH        \
+                      -hda $IMG_PATH \
+                      -m $RAM -smp $CPU
+  ;;
+  "console")
+    qemu-system-x86_64 -boot c                    \
+                       -display curses            \
+                       -hda $IMG_PATH \
+                       -m $RAM -smp $CPU
+  ;;
+  "start")
+    qemu-system-x86_64 -boot c                    \
+                       -hda $IMG_PATH \
+                       -m $RAM -smp $CPU
+  ;;
+  *)
+    echo "Usage: shemum [init] <virtual machine name> <disk size>"
+    echo " init   	   initialize a virtual machine"
+    echo " start       start a QEMU virtual machine"
+    echo " console	   start a QEMU virtual machine"
+esac    
+
+
+