mirror of
https://github.com/nestriness/nestri.git
synced 2025-12-12 16:55:37 +02:00
112 lines
2.5 KiB
Bash
112 lines
2.5 KiB
Bash
#!/bin/bash
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# Define colors
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COL_RED="\033[0;31m"
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COL_GRN="\033[0;32m"
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COL_END="\033[0m"
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# Get current user and group IDs
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USER_ID=$(id -u)
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GROUP_ID=$(id -g)
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# Set default disk size
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VM_DISK_SIZE_MB=${VM_DISK_SIZE_MB:-4096}
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# Set repository name
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REPO="nestri"
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# Function to create a tar archive from a Docker image
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create_tar() {
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local name=$1
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echo -e "\n${COL_GRN}[Dump $name directory structure to tar archive]${COL_END}"
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docker export -o $name.tar $(docker run -d $name /bin/true)
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}
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# Function to extract a tar archive
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extract_tar() {
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local name=$1
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echo -e "\n${COL_GRN}[Extract $name tar archive]${COL_END}"
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docker run -it \
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-v $(pwd):/os:rw \
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$REPO/builder bash -c "mkdir -p /os/$name.dir && tar -C /os/$name.dir --numeric-owner -xf /os/$name.tar"
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}
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# Function to create a disk image
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create_image() {
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local name=$1
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echo -e "\n${COL_GRN}[Create $name disk image]${COL_END}"
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docker run -it \
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-v $(pwd):/os:rw \
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-e DISTR=$name \
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--privileged \
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--cap-add SYS_ADMIN \
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$REPO/builder bash /os/create_image.sh $USER_ID $GROUP_ID $VM_DISK_SIZE_MB
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}
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# Function to ensure builder is ready
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ensure_builder() {
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echo -e "\n${COL_GRN}[Ensure builder is ready]${COL_END}"
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if [ "$(docker images -q $REPO/builder)" = '' ]; then
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docker build -f Dockerfile -t $REPO/builder .
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fi
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}
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# Function to run builder interactively
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run_builder_interactive() {
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docker run -it \
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-v $(pwd):/os:rw \
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--cap-add SYS_ADMIN \
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$REPO/builder bash
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}
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# Function to clean up
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clean_up() {
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echo -e "\n${COL_GRN}[Remove leftovers]${COL_END}"
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rm -rf mnt debian.* alpine.* ubuntu.*
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clean_docker_procs
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clean_docker_images
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}
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# Function to clean Docker processes
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clean_docker_procs() {
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echo -e "\n${COL_GRN}[Remove Docker Processes]${COL_END}"
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if [ "$(docker ps -qa -f=label=com.iximiuz-project=$REPO)" != '' ]; then
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docker rm $(docker ps -qa -f=label=com.iximiuz-project=$REPO)
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else
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echo "<noop>"
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fi
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}
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# Function to clean Docker images
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clean_docker_images() {
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echo -e "\n${COL_GRN}[Remove Docker Images]${COL_END}"
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if [ "$(docker images -q $REPO/*)" != '' ]; then
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docker rmi $(docker images -q $REPO/*)
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else
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echo "<noop>"
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fi
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}
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# Main script
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if [ $# -lt 1 ]; then
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echo "Usage: $0 <image_name> [clean|builder-interactive]"
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exit 1
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fi
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IMAGE_NAME=$1
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case $2 in
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builder-interactive)
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run_builder_interactive
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;;
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clean)
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clean_up
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;;
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esac
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ensure_builder
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create_tar $IMAGE_NAME
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extract_tar $IMAGE_NAME
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create_image $IMAGE_NAME
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# Extract kernel `` virt-builder --get-kernel "${IMAGE_NAME}.img" -o . `` |