PG backup

t3-filecopy/dcache/postgres-11/backup-pg.sh

+#!/bin/bash 
+
+ mail_to="nina.loktionova@psi.ch "
+ # mail_to="cms-tier3@lists.psi.ch"
+ backup_dir="/pg-backup"
+ # backup_dir="/var/lib/pgsql/11/backups"
+ backup_file="pg_`date +\%Y-\%m-\%d`.sql.gz"
+ log_file=" /var/log/PG-backup-`date +\%Y-\%m-\%d`"
+
+#Logging all the output to a LogFile:
+exec 1> $log_file 2>&1
+
+ function send_warning_and_exit()
+ {
+
+ cat <<EOF | /usr/sbin/sendmail -t
+To:  $mail_to
+Subject: PG backup TROUBLE  on  `hostname` 
+
+  echo $1
+ `date`
+
+EOF
+   echo "***** PG backup FAILURE ***** "
+   `date`
+   exit 1
+}
+
+if [ ! -d $backup_dir ]
+  then
+  send_warning_and_exit "$backup_dir dosen't exist"
+fi
+
+if [ -s $backup_dir/$backup_file ]
+  then
+  send_warning_and_exit "$backup_file  exists"
+fi
+
+
+echo "start PGDB dump"  `date` 
+
+pg_dumpall -U postgres|gzip >  $backup_dir/$backup_file  
+
+echo "end PGDB dump"  `date` 
+
+# cleaning old:
+find $backup_dir -type f -name '*.gz' -mtime +2  -exec rm {} \;