pg_basebackup exit codes - Mailing list pgsql-general

From John Donath
Subject pg_basebackup exit codes
Date
Msg-id AM6PR05MB5334667E909FED67412747D6E5A80@AM6PR05MB5334.eurprd05.prod.outlook.com
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Responses Re: pg_basebackup exit codes  (Magnus Hagander <magnus@hagander.net>)
List pgsql-general

Hi,

 

I was unpleasantly surprised to see that pg_basebackup will return a zero (Success) exit code even when it has actually failed like below:

 

pg_basebackup: could not write to compressed file "/var/lib/pgsql/10/inst1/backup/cust-pg02_inst1_Fri_20190816/base.tar.gz": No space left on device

pg_basebackup: removing data directory "/var/lib/pgsql/10/inst1/backup/cust-pg02_inst1_Fri_20190816"

 

A reliable exit code is of great importance in backup scripts using a statement like below:

 

pg_basebackup -D ${backup_dest} -Ft -z 2>&1 | tee -a ${log_file}; rv=$?

[ $rv -eq 0 ] || error "pg_basebackup failed with rcode $rv; also see ${log_file}"

 

Pg_basebackup version: (PostgreSQL) 10.10

 

Anybody else encountering this problem?

 

Regards, John

 

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