23 lines
1.1 KiB
Bash
Executable File
23 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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umask 077
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dest=/data/backups/mysql
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install -d -o root -g root -m 0700 "$dest"
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[ "$(realpath "$dest")" = "/data/backups/mysql" ] || exit 2
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exec 9>/run/lock/lisglosips-mysql-backup.lock
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flock -n 9 || { echo "MySQL backup already running" >&2; exit 3; }
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stamp=$(date -u +%Y%m%dT%H%M%SZ)
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tmp=$(mktemp -d "$dest/.tmp-$stamp.XXXXXX")
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trap 'rm -rf "$tmp"' EXIT
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mysqladmin --protocol=socket ping --silent
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mysqldump --protocol=socket --all-databases --single-transaction --routines --events --triggers --hex-blob --set-gtid-purged=OFF --no-tablespaces | gzip -9 > "$tmp/all-databases.sql.gz"
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mysqldump --protocol=socket --single-transaction --routines --events --triggers --hex-blob --set-gtid-purged=OFF --no-tablespaces lisglosips | gzip -9 > "$tmp/lisglosips.sql.gz"
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mysql --protocol=socket -N -e "SELECT @@version, @@global.gtid_executed, @@global.binlog_format, UTC_TIMESTAMP();" > "$tmp/metadata.tsv"
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(cd "$tmp" && sha256sum *.gz metadata.tsv > SHA256SUMS)
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chmod 0600 "$tmp"/*
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final="$dest/$stamp"
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mv "$tmp" "$final"
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trap - EXIT
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find "$dest" -mindepth 1 -maxdepth 1 -type d -name '20*T*Z' -mtime +14 -exec rm -rf -- {} +
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echo "$final"
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