mirror of https://github.com/nocturn9x/nimd.git
116 lines
2.8 KiB
Bash
Executable File
116 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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trap cleanup SIGINT SIGTERM ERR EXIT
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script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P)
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usage() {
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cat << EOF
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Usage: $(basename "${BASH_SOURCE[0]}") [-h] [-v] [-m] [-b] -k kernel -i initrd -r rootfs
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Alpinemini vm
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Available options:
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-h, --help Print this help and exit
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-v, --verbose Print script debug info
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-k, --kernel Specify kernel file
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-i, --initrd Specify initrd file
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-m, --memory Set maximum vm memory
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-b, --build Build a new disk (and then boot)
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EOF
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exit
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}
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cleanup() {
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trap - SIGINT SIGTERM ERR EXIT
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}
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setup_colors() {
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if [[ -t 2 ]] && [[ -z "${NO_COLOR-}" ]] && [[ "${TERM-}" != "dumb" ]]; then
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NOFORMAT='\033[0m' RED='\033[0;31m' GREEN='\033[0;32m' ORANGE='\033[0;33m' BLUE='\033[0;34m' PURPLE='\033[0;35m' CYAN='\033[0;36m' YELLOW='\033[1;33m'
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else
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NOFORMAT='' RED='' GREEN='' ORANGE='' BLUE='' PURPLE='' CYAN='' YELLOW=''
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fi
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}
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msg() {
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echo >&2 -e "${1-}"
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}
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die() {
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local msg=$1
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local code=${2-1}
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msg "$msg"
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exit "$code"
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}
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parse_params() {
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build=0
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rootfs=''
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kernel=''
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initrd=''
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memory=''
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while :; do
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case "${1-}" in
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-h | --help) usage ;;
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-v | --verbose) set -x ;;
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--no-color) NO_COLOR=1 ;;
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-b | --build) build=1 ;; # build disk
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-k | --kernel) # kernel file
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kernel="${2-}"
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shift
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;;
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-i | --initrd) # initrd file
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initrd="${2-}"
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shift
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;;
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-m | --memory) # max memory
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memory="${2-}"
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shift
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;;
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-?*) die "Unknown option: $1" ;;
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*) break ;;
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esac
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shift
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done
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args=("$@")
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# check required params and arguments
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[[ -z "${kernel-}" ]] && die "${RED}Missing required parameter:${NOFORMAT} kernel"
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[[ -z "${initrd-}" ]] && die "${RED}Missing required parameter:${NOFORMAT} initrd"
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return 0
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}
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setup_colors
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parse_params "$@"
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if ! [ -x "$(command -v qemu-system-x86_64)" ]; then
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echo '${RED}Error:${NOFORMAT} unable to find qemu-system-x86_64, please install it first.' >&2
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exit 1
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fi
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if ! [ -x "$(command -v qemu-img)" ]; then
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echo '${RED}Error:${NOFORMAT} unable to find qemu-img, please install it first.' >&2
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exit 1
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fi
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if [[ $build -eq 1 ]]
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then
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msg "${CYAN}Building disk... Please wait${NOFORMAT}"
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qemu-img create -f qcow2 vm.qcow2 800M
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qemu-system-x86_64 -m 256M -smp 1 -drive file=packervm/packer.qcow2,if=virtio,readonly=on -drive file=vm.qcow2,if=virtio -enable-kvm -fsdev local,id=rootfs_dev,path=rootfs,security_model=none -device virtio-9p-pci,fsdev=rootfs_dev,mount_tag=rootfs -display none
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fi
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qemumem=''
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if ! [[ $memory -eq "" ]]
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then
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qemumem="-m ${memory}"
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fi
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qemu-system-x86_64 -net nic,model=virtio,netdev=user.0 -netdev user,id=user.0 -drive file=vm.qcow2,if=virtio -enable-kvm -kernel ${kernel} -initrd ${initrd} ${qemumem} -append 'root=/dev/vda1 rw quiet modules=ext4 console=ttyS0 init=/bin/nimd'
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