60 lines
2.1 KiB
Bash
60 lines
2.1 KiB
Bash
#!/bin/bash
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# Simple script to backup postgresql databases
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# Parent backup directory
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backup_parent_dir="/var/backups/postgresql"
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# PostgreSQL settings
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pg_host="HOST"
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pg_port="PORT"
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pg_user="USER"
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pg_password="PASSWD"
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# Check MySQL password
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# echo exit | mysql --user=${mysql_user} --password=${mysql_password} -B 2>/dev/null
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# if [ "$?" -gt 0 ]; then
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# echo "MySQL ${mysql_user} password incorrect"
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# exit 1
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# else
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# echo "MySQL ${mysql_user} password correct."
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# fi
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# Create backup directory and set permissions
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backup_date=`date +%Y_%m_%d_%H_%M`
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backup_dir="${backup_parent_dir}/${backup_date}"
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echo "Backup directory: ${backup_dir}"
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mkdir -p "${backup_dir}"
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chmod 644 "${backup_dir}"
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# Get postgresql databases
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pgsql_databases=`psql "host=$pg_host port=$pg_port user=$pg_user password=$pg_password" -At -c "select datname from pg_database where not datistemplate and datallowconn;"`
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# Backup and compress each database
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for database in $pgsql_databases
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do
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echo "Creating backup of \"${database}\" database"
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# mysqldump ${additional_mysqldump_params} --user=${mysql_user} --password=${mysql_password} ${database} | gzip > "${backup_dir}/${database}.sql.gz"
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# chmod 644 "${backup_dir}/${database}.sql.gz"
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set -o pipefail
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# if ! pg_dump -Fp -h "$pg_host" -U "$pg_user" "$database" | gzip > $backup_dir"/$database".sql.gz.in_progress; then
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# if ! pg_dump -Fp "host=$pg_host port=$pg_port user=$pg_user password=$pg_password" "$database" | gzip > $backup_dir"/$database".sql.gz.in_progress; then
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if ! pg_dump -Fp --dbname="postgresql://$pg_user:$pg_password@$pg_host:$pg_port/$database" | gzip > $backup_dir"/$database".sql.gz.in_progress; then
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echo "[!!ERROR!!] Failed to produce plain backup database $database" 1>&2
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else
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mv $backup_dir"/$database".sql.gz.in_progress $backup_dir"/$database".sql.gz
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fi
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set +o pipefail
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done
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# compress the folder
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# tar -zcvf "${backup_dir}.tar.gz" "${backup_dir}"
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# rm -rf "${backup_dir}"
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# Rotate backups
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# Delete files older than 30 days
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find $backup_parent_dir/ -type f -mtime +60 -delete;
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# Delete empty directories
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find $backup_parent_dir/ -type d -empty -delete;
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