Created
August 10, 2023 08:39
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Postgresql backup scheduling by backup server side
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onst cron = require('node-cron'); | |
const { exec } = require('child_process'); | |
const pgConfig = [ | |
{ | |
app: 'name_app', | |
username: '', | |
password: '', | |
host: '', | |
port: '', | |
database: '', | |
password_backup: 'password_in_backup_server' | |
} | |
]; | |
function backupPostgres(){ | |
console.log(`Running backup at ${new Date().toLocaleString('in-ID', {timeZone: 'Asia/Jakarta'})} WIB`); | |
const backupFileName = `backup/backup_${new Date().toISOString()}.sql`; | |
const backupCommand = `PGPASSWORD=${pgConfig[0].password} pg_dump -U ${pgConfig[0].username} -h ${pgConfig[0].host} -p ${pgConfig[0].port} -d ${pgConfig[0].database} > ${backupFileName}`; | |
exec(backupCommand, (error, stdout, stderr) => { | |
if (error) { | |
console.error(`Backup failed at ${new Date().toLocaleString('in-ID', {timeZone: 'Asia/Jakarta'})} WIB: ${error.message}: `, error); | |
} else { | |
console.log(`[OK] Backup successful. File saved as ${backupFileName}`); | |
exec(`PGPASSWORD=${pgConfig[0].password_backup} psql -U postgres -h localhost -c "DROP DATABASE ${pgConfig[0].database};" -c "CREATE DATABASE ${pgConfig[0].database};"`, (error, stdout, stderr) => { if (error) { | |
console.error(`DROP and CREATE database failed at ${new Date().toLocaleString('in-ID', {timeZone: 'Asia/Jakarta'})} WIB: ${error.message}: `, error); | |
} else { | |
console.log(`[OK] Success DROP and CREATE database ${pgConfig[0].database}`); | |
exec(`PGPASSWORD=${pgConfig[0].password_backup} psql -U postgres -h localhost -d ${pgConfig[0].database} -f ${backupFileName}`, (error, stdout, stderr) => { | |
if (error) { | |
console.error(`Restore database failed at ${new Date().toLocaleString('in-ID', {timeZone: 'Asia/Jakarta'})} WIB: ${error.message}: `, error); | |
} else { | |
console.log(`[OK] Success import to database ${pgConfig[0].database}`); | |
} | |
}); | |
} | |
}); | |
} | |
}); | |
} | |
cron.schedule('0 17 * * *', backupPostgres); | |
console.log(`[+] Script started - ${new Date().toLocaleString('in-ID', {timeZone: 'Asia/Jakarta'})} WIB`); |
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