53 lines
1.2 KiB
Bash
Executable File
53 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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set -eu -o pipefail
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if [[ $EUID -ne 0 ]]; then
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echo "This script should be run as root." >&2
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exit 1
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fi
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if [[ $# == 1 && "$1" == "--check" ]]; then
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echo "OK"
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exit 0
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fi
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if [ $# -lt 2 ]; then
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echo "Usage: backupbox.sh <url> <key>"
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exit 1
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fi
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backup_url="$1"
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backup_key="$2"
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now=$(date "+%Y-%m-%dT%H:%M:%S")
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BOX_DATA_DIR="${HOME}/data/box"
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box_snapshot_dir="${HOME}/data/snapshots/box-${now}"
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echo "Creating MySQL dump"
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mysqldump -u root -ppassword --single-transaction --routines --triggers box > "${BOX_DATA_DIR}/box.mysqldump"
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echo "Snapshoting backup as backup-${now}"
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btrfs subvolume snapshot -r "${BOX_DATA_DIR}" "${box_snapshot_dir}"
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for try in `seq 1 5`; do
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echo "Uploading backup to ${backup_url} (try ${try})"
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error_log=$(mktemp)
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if tar -cvzf - -C "${box_snapshot_dir}" . \
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| openssl aes-256-cbc -e -pass "pass:${backup_key}" \
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| curl --fail -H "Content-Type:" -X PUT --data-binary @- "${backup_url}" 2>"${error_log}"; then
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break
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fi
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cat "${error_log}" && rm "${error_log}"
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done
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echo "Deleting backup snapshot"
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btrfs subvolume delete "${box_snapshot_dir}"
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if [[ ${try} -eq 5 ]]; then
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echo "Backup failed"
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exit 1
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else
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echo "Backup successful"
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fi
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