On Wed, Mar 7, 2012 at 2:08 PM, John R Pierce <pie...@hogranch.com> wrote:
> whats that pg_backup.sh script look like? you're getting shell errors on
> line 7 and 8 of the script.
I didn't attach it since it's the same as the link I referenced in my
original post. I'll attach it in here for those that don't or can't
download it:
> this has nothing to do with postgresql.
It's a scrip to backup and interact with the database so I think it
does. It may not be specifically what this mailing list was intended
for but it's the best suited that I could find not to mention the
script is posted on the main PostgreSQL wiki site so it appears to be
legit and supported...
http://wiki.postgresql.org/wiki/Automated_Backup_on_Linux
Thanks for any info!
#!/bin/bash
###########################
####### LOAD CONFIG #######
###########################
SCRIPTPATH=$(cd ${0%/*} && pwd -P)
source $SCRIPTPATH/pg_backup.config
###########################
#### PRE-BACKUP CHECKS ####
###########################
# Make sure we're running as the required backup user
if [ $BACKUP_USER != "" -a "$(id -un)" != "$BACKUP_USER" ]; then
echo "This script must be run as $BACKUP_USER. Exiting."
exit 1;
fi;
###########################
### INITIALISE DEFAULTS ###
###########################
if [ ! $HOSTNAME ]; then
HOSTNAME="localhost"
fi;
if [ ! $USERNAME ]; then
USERNAME="postgres"
fi;
###########################
#### START THE BACKUPS ####
###########################
FINAL_BACKUP_DIR=$BACKUP_DIR"`date +\%Y-\%m-\%d`/"
echo "Making backup directory in $FINAL_BACKUP_DIR"
if ! mkdir -p $FINAL_BACKUP_DIR; then
echo "Cannot create backup directory in $FINAL_BACKUP_DIR. Go and fix
it!"
exit 1;
fi;
###########################
### SCHEMA-ONLY BACKUPS ###
###########################
for SCHEMA_ONLY_DB in ${SCHEMA_ONLY_LIST//,/ }
do
SCHEMA_ONLY_CLAUSE="$SCHEMA_ONLY_CLAUSE or datname ~ '$SCHEMA_ONLY_DB'"
done
SCHEMA_ONLY_QUERY="select datname from pg_database where false
$SCHEMA_ONLY_CLAUSE order by datname;"
echo -e "\n\nPerforming schema-only backups"
echo -e "--------------------------------------------\n"
SCHEMA_ONLY_DB_LIST=`psql -h "$HOSTNAME" -U "$USERNAME" -At -c
"$SCHEMA_ONLY_QUERY" postgres`
echo -e "The following databases were matched for schema-only
backup:\n${SCHEMA_ONLY_DB_LIST}\n"
for DATABASE in $SCHEMA_ONLY_DB_LIST
do
echo "Schema-only backup of $DATABASE"
if ! pg_dump -Fp -s -h "$HOSTNAME" -U "$USERNAME" "$DATABASE" | gzip >
$FINAL_BACKUP_DIR"$DATABASE"_SCHEMA.sql.gz.in_progress; then
echo "[!!ERROR!!] Failed to backup database schema of $DATABASE"
else
mv $FINAL_BACKUP_DIR"$DATABASE"_SCHEMA.sql.gz.in_progress
$FINAL_BACKUP_DIR"$DATABASE"_SCHEMA.sql.gz
fi
done
###########################
###### FULL BACKUPS #######
###########################
for SCHEMA_ONLY_DB in ${SCHEMA_ONLY_LIST//,/ }
do
EXCLUDE_SCHEMA_ONLY_CLAUSE="$EXCLUDE_SCHEMA_ONLY_CLAUSE and datname !~
'$SCHEMA_ONLY_DB'"
done
FULL_BACKUP_QUERY="select datname from pg_database where not datistemplate and
datallowconn $EXCLUDE_SCHEMA_ONLY_CLAUSE order by datname;"
echo -e "\n\nPerforming full backups"
echo -e "--------------------------------------------\n"
for DATABASE in `psql -h "$HOSTNAME" -U "$USERNAME" -At -c "$FULL_BACKUP_QUERY"
postgres`
do
if [ $ENABLE_PLAIN_BACKUPS = "yes" ]
then
echo "Plain backup of $DATABASE"
if ! pg_dump -Fp -h "$HOSTNAME" -U "$USERNAME" "$DATABASE" |
gzip > $FINAL_BACKUP_DIR"$DATABASE".sql.gz.in_progress; then
echo "[!!ERROR!!] Failed to produce plain backup
database $DATABASE"
else
mv $FINAL_BACKUP_DIR"$DATABASE".sql.gz.in_progress
$FINAL_BACKUP_DIR"$DATABASE".sql.gz
fi
fi
if [ $ENABLE_CUSTOM_BACKUPS = "yes" ]
then
echo "Custom backup of $DATABASE"
if ! pg_dump -Fc -h "$HOSTNAME" -U "$USERNAME" "$DATABASE" -f
$FINAL_BACKUP_DIR"$DATABASE".custom.in_progress; then
echo "[!!ERROR!!] Failed to produce custom backup
database $DATABASE"
else
mv $FINAL_BACKUP_DIR"$DATABASE".custom.in_progress
$FINAL_BACKUP_DIR"$DATABASE".custom
fi
fi
done
echo -e "\nAll database backups complete!"
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