143 lines
4.5 KiB
Bash
Executable File
143 lines
4.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e;
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###
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# Settings
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###
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# These can all be changed via environment variables.
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clone_url="${clone_url:-https://github.com/bitnami/minideb.git}";
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image_version="${image_version:-buster}";
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apply_patch_raspbian="${apply_patch_raspbian:-true}";
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setup_proxy="${setup_proxy:-true}";
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proxy_address="${proxy_address:-http://172.16.230.100:3142}";
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###############################################################################
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target_directory="${1}";
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# Ref https://stackoverflow.com/a/911213/1460422
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if [ -t 1 ] || [[ ! -z "${FORCE_COLOUR}" ]]; then
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###################
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# From lantern.sh #
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RS="\033[0m" # reset
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HC="\033[1m" # hicolor
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LC="\033[2m" # locolor / dim
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###################
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fi
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if [[ -z "${target_directory}" ]]; then
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echo "Usage:" >&2;
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echo " $0 {target_directory}" >&2;
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echo "" >&2;
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echo "" >&2;
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exit 0;
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fi
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if [[ "${UID}" -ne "0" ]]; then
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echo "Error: This script must be run as root (as we need to chroot to complete the setup)" >&2;
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echo "Additional information: You ran this script as ${USER} with uid ${UID}, but we expected uid 0" >&2;
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exit 1;
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fi
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if [[ ! -d "${target_directory}" ]]; then
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mkdir -p "${target_directory}";
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fi
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target_directory="$(realpath "${target_directory}")";
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###############################################################################
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run_in_chroot() {
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if [[ ! -d "${temp_dir_postprocess}" ]] || [[ -z "${temp_dir_postprocess}" ]]; then
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echo "Error: Target directory '${temp_dir_postprocess}' does not exist, so can't chroot into it." >&2;
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echo "Additional Information: You tried to run '${*}'" >&2;
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return 1;
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fi
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chroot "${temp_dir_postprocess}" "$@";
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}
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log_msg() {
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echo -e "\n${HC}>>>${RS} ${LC}[ ${SECONDS} ]${RS} $*\n"
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}
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###############################################################################
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# Make sure the current directory is the location of this script to simplify matters
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cd "$(dirname "$(readlink -f "$0")")";
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config_dir="${PWD}";
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temp_dir="$(mktemp --tmpdir -d "minideb-build-XXXXXXX")";
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temp_dir_postprocess="${temp_dir}/minideb-${image_version}";
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temp_dir_build="$(mktemp -d "${config_dir}/minideb-tmp-XXXXXXX")";
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on_exit() {
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rm -rf "${temp_dir}";
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if [[ -e "${temp_dir_build}" ]]; then rm -rf "${temp_dir_build}"; fi
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}
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trap on_exit EXIT;
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###############################################################################
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log_msg "Cloning minideb";
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git clone "${clone_url}" "${temp_dir}/minideb";
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cd "${temp_dir}/minideb";
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if [[ "${apply_patch_raspbian}" == "true" ]]; then
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log_msg "Applying Raspbian patch";
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git apply "${config_dir}/minideb-raspbian.patch";
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fi
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log_msg "Building minideb base image";
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# Must be run as root
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time TMPDIR="${temp_dir_build}" make "${image_version}";
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cp -r "${temp_dir}/minideb/build" "${temp_dir}/build";
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filename_tar="$(find "${temp_dir}/build" -name '*.tar' -print -quit)";
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log_msg "Unpacking resulting tar archive";
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mkdir "${temp_dir_postprocess}";
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tar -xf "${filename_tar}" -C "${temp_dir_postprocess}";
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# We're finished with minideb now
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rm -rf "${temp_dir}/minideb";
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###############################################################################
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if [[ "${setup_proxy}" == "true" ]]; then
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log_msg "Applying apt proxy settings";
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echo "Acquire::http { Proxy \"${proxy_address}\"; }" | run_in_chroot tee /etc/apt/apt.conf.d/proxy
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fi
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# # Fix /dev/null - ref https://unix.stackexchange.com/a/146639/64687
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# run_in_chroot rm -f /dev/null;
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# run_in_chroot mknod -m 666 /dev/null c 1 3;
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# run_in_chroot mknod -m 666 /dev/zero c 1 5
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# run_in_chroot chown root:root /dev/null /dev/zero
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# run_in_chroot install_packages gnupg;
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log_msg "Adding aptosaurus GPG key";
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# Add apt.starbeamrainbowlabs.com
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# No need to apt update, because install_packages will do this for us
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# Ref https://github.com/bitnami/minideb/blob/6c039b8/mkimage#L181-L206
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# Also ref https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=851774
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gpg_key_url="https://apt.starbeamrainbowlabs.com/aptosaurus.asc";
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echo "deb http://apt.starbeamrainbowlabs.com/ /" | run_in_chroot tee /etc/apt/sources.list.d/sbrl.list;
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curl -sSL "${gpg_key_url}" | run_in_chroot sh -c 'cat >/etc/apt/trusted.gpg.d/sbrl-aptosaurus.asc';
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###############################################################################
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# Repack the tar file
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log_msg "Repacking archive";
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cd "${temp_dir_postprocess}" || { echo "Failed to cd to unpacked archive directory"; exit 1; };
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tar -caf "${target_directory}/minideb.tar.gz" .;
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cp "${filename_tar}.log" "${target_directory}/minideb.log";
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cp "${filename_tar}.manifest" "${target_directory}/minideb.manifest";
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log_msg "Written result to ${target_directory}:";
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ls -htFl "${target_directory}";
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