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3 changed files with 49 additions and 97 deletions

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@ -1,3 +0,0 @@
# Sources list
debian=""
openbsd="test"

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@ -1,6 +1,4 @@
install:
cp $PWD/shemum /usr/bin/shemum
cp $PWD/.env $HOME/.env
cp $PWD/.sources $HOME/.sources
clean:
rm -f /usr/bin/shemum

123
shemum
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@ -4,11 +4,12 @@
# Date: 9.18.2024
# Debug mode
# To enable debug mode remove the comment.
# Default: true
DEBUG=true
# Debug mode check
if [ $DEBUG ]; then
if [$DEBUG -eq true]
set +x
fi
@ -21,112 +22,68 @@ ROOT_PATH="$HOME/Machines"
ISO_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.iso"
IMG_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.img"
# Sources default values
#. ".env"
# Sources defualt values
. ".env"
# Sources virtual machine specific values
#. "$ROOT_PATH/$OS_NAME/.env"
. "$ROOT_PATH/$OS_NAME/.env"
# Functions
# Defines install image source
source() {
while read LINE; do
if [ $LINE == $OS_NAME* ]; then
$OS_NAME=$LINE
fi
done < .sources
}
check() {
if [ -z $OS_NAME ]; then
error "Operating system is not defined"
fi
if [ -z $INSTALL_IMG ]; then
info "$OS_NAME source not set, please update your .sources file"
fi
}
error() {
printf "$@" >&2
# Defines install image repository.
case $OS_NAME in
"openbsd")
INSTALL_IMG="https://cdn.openbsd.org/pub/OpenBSD/7.5/i386/cd75.iso"
;;
"debian")
INSTALL_IMG=""
;;
*)
echo "$OS_NAME is not an option" >&2
exit 1
}
;;
esac
warn() {
printf "$@" >&2
}
info() {
printf "$@" >&1
}
# Virtual machine removal
remove() {
rm -r $ROOT_PATH/$OS_NAME
}
# Virtual machine start without a console
start() {
qemu-system-x86_64 -boot c \
-display none \
-drive file=$IMG_PATH,format=raw \
-m $RAM -smp $CPU
}
# Virtual machine start with a console
console() {
qemu-system-x86_64 -boot c \
-display curses \
-drive file=$IMG_PATH,format=raw \
-m $RAM -smp $CPU
}
# Virtual machine initialization with a console
init() {
def_os_source
# 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
info "Fetching $OSNAME installer at: $INSTALL_IMG"
echo $INSTALL_IMG
curl -o $ISO_PATH $INSTALL_IMG
elif [ ! -z $INSTALL_IMG ]; then
info "Current INSTALL_IMG for $OS_NAME: $ISO_PATH"
else
error "Install image path is missing"
echo "Current INSTALL_IMG for $OS_NAME: $ISO_PATH"
else:
echo "Install image path is missing" >&2
exit 1
fi
qemu-system-x86_64 -boot d \
-display curses \
-drive file=$ISO_PATH,media=cdrom \
-drive file=$IMG_PATH,format=raw \
-m $RAM -smp $CPU
}
# Display usage
usage() {
printf "Usage: shemum [init] <virtual machine name> <disk size>"
printf " init initialize a virtual machine"
printf " start start a QEMU virtual machine without console output"
printf " console start a QEMU virtual machine with console output"
printf " remove remove virtual machine directory and all it's contents"
}
# Options
case $OPTION in
"init")
init
;;
"console")
console
qemu-system-x86_64 -boot c \
-display curses \
-drive file=$IMG_PATH,format=raw \
-m $RAM -smp $CPU
;;
"start")
start
qemu-system-x86_64 -boot c \
-display none \
-drive file=$IMG_PATH,format=raw \
-m $RAM -smp $CPU
;;
"remove")
remove
rm -r $ROOT_PATH/$OS_NAME
;;
*)
usage
echo "Usage: shemum [init] <virtual machine name> <disk size>"
echo " init initialize a virtual machine"
echo " start start a QEMU virtual machine without console output"
echo " console start a QEMU virtual machine with console output"
echo " remove remove virtual machine directory and all it's contents"
esac