143 lines
3 KiB
Bash
Executable file
143 lines
3 KiB
Bash
Executable file
#!/usr/bin/env sh
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#
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# Author: Adrian Erik Hoemann
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# Date: 9.18.2024
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# TODO: Implement operating system installer variable list.
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# Debug mode
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# To enable debug mode remove the comment.
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# Default: true
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DEBUG=true
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# Debug mode check
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if [$DEBUG -eq true]
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set +x
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fi
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# Arguments
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OPTION=$1
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OS_NAME=$2
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# Defining paths
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ROOT_PATH="$HOME/Machines"
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ISO_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.iso"
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IMG_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.img"
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# Sources defualt values
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. ".env"
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# Sources virtual machine specific values
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. "$ROOT_PATH/$OS_NAME/.env"
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# Functions
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# Defines install image source
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def_os_source() {
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case $OS_NAME in
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"openbsd")
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INSTALL_IMG="https://cdn.openbsd.org/pub/OpenBSD/7.5/i386/cd75.iso"
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;;
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"debian")
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INSTALL_IMG=""
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;;
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*)
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err_func "INSTALL_IMG for $OS_NAME not found"
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;;
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esac
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}
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check_func() {
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if [ -z $OS_NAME ]
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err_func "Operating system is empty"
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fi
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if [ -z $INSTALL_IMG ]
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info_func "$INSTALL_IMG is not set"
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fi
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}
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err_func() {
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printf "$@" >&2
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exit 1
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}
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warn_func() {
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printf "$@" >&2
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}
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info_func() {
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printf "$@" >&1
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}
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# Virtual machine removal
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remove_func() {
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rm -r $ROOT_PATH/$OS_NAME
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}
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# Virtual machine start without a console
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start_func() {
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qemu-system-x86_64 -boot c \
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-display none \
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-drive file=$IMG_PATH,format=raw \
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-m $RAM -smp $CPU
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}
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# Virtual machine start with a console
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console_func() {
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qemu-system-x86_64 -boot c \
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-display curses \
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-drive file=$IMG_PATH,format=raw \
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-m $RAM -smp $CPU
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}
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# Virtual machine initialization with a console
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init_func() {
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def_os_source
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mkdir -p "$ROOT_PATH/$OS_NAME"
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qemu-img create $IMG_PATH $DISK_SIZE
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if [ ! -f $ISO_PATH ] && [ ! -z $INSTALL_IMG ]; then
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info_func "Fetching $OSNAME installer at: $INSTALL_IMG"
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curl -o $ISO_PATH $INSTALL_IMG
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elif [ ! -z $INSTALL_IMG ]; then
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info_func "Current INSTALL_IMG for $OS_NAME: $ISO_PATH"
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else
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err_func "Install image path is missing"
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fi
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qemu-system-x86_64 -boot d \
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-display curses \
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-drive file=$ISO_PATH,media=cdrom \
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-drive file=$IMG_PATH,format=raw \
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-m $RAM -smp $CPU
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}
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# Display usage
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usage_func() {
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printf "Usage: shemum [init] <virtual machine name> <disk size>"
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printf " init initialize a virtual machine"
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printf " start start a QEMU virtual machine without console output"
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printf " console start a QEMU virtual machine with console output"
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printf " remove remove virtual machine directory and all it's contents"
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}
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# Options
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case $OPTION in
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# Initializes the VM and starts the installer image.
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"init")
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init_func
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;;
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"console")
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console_func
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;;
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"start")
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start_func
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;;
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"remove")
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remove_func
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;;
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*)
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usage_func
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esac
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