bootstrap-1-restore.sh

#!/bin/bash
set -eo pipefail
set -x

install_packages() {
    if which apt-get &> /dev/null; then
        DEBIAN_FRONTEND=noninteractive apt-get install --yes $@
    elif which pamac &> /dev/null; then
        pamac install --no-confirm --no-upgrade $@
    else
        echo "Error: unknown platform, add cmds for other platforms"; exit 1
    fi
}

install_restic() {
    restic_version="0.12.1"
    restic_download_name="restic_${restic_version}_linux_amd64.bz2"
    restic_download_url="https://github.com/restic/restic/releases/download/v${restic_version}/${restic_download_name}"
    restic_download_hash="11d6ee35ec73058dae73d31d9cd17fe79661090abeb034ec6e13e3c69a4e7088"
    restic_local_download="/usr/local/lib/${restic_download_name}"
    restic_local_binary="/usr/local/bin/restic"

    rclone_version="1.57.0"
    rclone_download_name="rclone-v${rclone_version}-linux-amd64.zip"
    rclone_download_url="https://github.com/rclone/rclone/releases/download/v${rclone_version}/${rclone_download_name}"
    rclone_download_hash="49191e1156cf0c41d9e6af35bd31cf2a2884107483823e17671323717905e771"
    rclone_local_download="/usr/local/lib/${rclone_download_name}"
    rclone_local_extract="rclone-v${rclone_version}-linux-amd64/rclone"
    rclone_local_binary="/usr/local/bin/rclone"

    install_packages bzip2 unzip fuse curl
    mkdir -p "$(dirname $restic_local_download)" "$(dirname $rclone_local_download)"

    curl -L -s -o "$rclone_local_download" "$rclone_download_url"
    printf "%s %s" "$rclone_download_hash" "$rclone_local_download" \
        | sha256sum --check --status --quiet - 2> /dev/null
    if test "$?" != "0"; then echo "Error: sha256sum failed "; return 1; fi
    unzip -q -j -o -d /usr/local/bin $rclone_local_download $rclone_local_extract
    chmod 755 ${rclone_local_binary}

    curl -L -s -o "$restic_local_download" "$restic_download_url"
    printf "%s %s" "$restic_download_hash" "$restic_local_download" \
        | sha256sum --check --status --quiet - 2> /dev/null
    if test "$?" != "0"; then echo "Error: sha256sum failed "; return 1; fi
    bzip2 -d < "${restic_local_download}" > "${restic_local_binary}"
    chmod 755 ${restic_local_binary}

}

install_restic

cat << EOF

Unfinished:

+ Configuration Directory:
    + mandatory config files:
        + File: backup.passphrase.gpg
        + Base Configuration File: node.env
            + mandatory settings
            + backup_repository=/var/lib/restic-backup

+ 1-restore:
    + restore config
        + restore user and groups (for file access restore)
        + restore zfs pools and lvms layout
    + restore all files
    + corrections not in chroot container
+ 2-chroot restore:
    + corrections in chroot container

EOF


exit 1