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68 lines
1.4 KiB
68 lines
1.4 KiB
#!/bin/bash
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set -eux
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[ "${DOMAIN}" ] || {
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echo "Error: you must set \$DOMAIN prior to running this script." >&2
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exit 1
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}
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[ "${BACKUP_SERVER}" ] || {
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echo "Error: you must set \$BACKUP_SERVER prior to running this script." >&2
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exit 1
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}
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## rsync
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type -p rsync >/dev/null 2>&1 || apt-get install -y rsync </dev/null
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## creating rsync user
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mkdir -p /var/lib/rsync
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getent group rsync >/dev/null ||
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groupadd -r rsync
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getent passwd rsync >/dev/null ||
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useradd -r rsync -d /var/lib/rsync -g rsync
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chown rsync:rsync /var/lib/rsync
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## rsync ssh key creation
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[ -e /var/lib/rsync/.ssh/id_rsa ] ||
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su -c 'ssh-keygen -t rsa -N "" -f ~/.ssh/id_rsa -q -C rsync@'"$DOMAIN" - rsync
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dest="$BACKUP_SERVER"
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if [[ "$dest" == *"/"* ]]; then
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dest="${dest%/*}"
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fi
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if [[ "$dest" == *":"* ]]; then
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ssh_options+=("-p" "${dest#*:}")
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dest="${dest%%:*}"
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fi
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ssh-keyscan "${ssh_options[@]}" -H "${dest}" > /var/lib/rsync/.ssh/known_hosts
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apt-get install kal-shlib-process </dev/null
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ln -sf "$PWD/resources/bin/mirror-dir" /usr/local/sbin/mirror-dir
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if ! [ -e /etc/mirror-dir/config.yml ]; then
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mkdir -p /etc/mirror-dir
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cat <<EOF > /etc/mirror-dir/config.yml
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default:
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sources:
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- /etc
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EOF
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fi
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cat <<EOF > /etc/cron.d/mirror-dir
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SHELL=/bin/bash
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PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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$((RANDOM % 60)) * * * * root mirror-dir -h "$DOMAIN" -d "$BACKUP_SERVER" -u rsync 2>&1 | logger -t mirror-dir
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EOF
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