166 lines
4.5 KiB
Bash
166 lines
4.5 KiB
Bash
#!/bin/bash
|
|
|
|
###########################
|
|
####### LOAD CONFIG #######
|
|
###########################
|
|
|
|
while [ $# -gt 0 ]; do
|
|
case $1 in
|
|
-c)
|
|
if [ -r "$2" ]; then
|
|
source "$2"
|
|
shift 2
|
|
else
|
|
${ECHO} "Unreadable config file \"$2\"" 1>&2
|
|
exit 1
|
|
fi
|
|
;;
|
|
*)
|
|
${ECHO} "Unknown Option \"$1\"" 1>&2
|
|
exit 2
|
|
;;
|
|
esac
|
|
done
|
|
|
|
if [ $# = 0 ]; then
|
|
SCRIPTPATH=$(cd ${0%/*} && pwd -P)
|
|
source $SCRIPTPATH/pg_backup.conf
|
|
fi;
|
|
|
|
###########################
|
|
#### PRE-BACKUP CHECKS ####
|
|
###########################
|
|
|
|
# Make sure we're running as the required backup user
|
|
if [ "$BACKUP_USER" != "" -a "$(id -un)" != "$BACKUP_USER" ]; then
|
|
echo "This script must be run as $BACKUP_USER. Exiting." 1>&2
|
|
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!" 1>&2
|
|
exit 1;
|
|
fi;
|
|
|
|
|
|
#######################
|
|
### GLOBALS BACKUPS ###
|
|
#######################
|
|
|
|
echo -e "\n\nPerforming globals backup"
|
|
echo -e "--------------------------------------------\n"
|
|
|
|
if [ $ENABLE_GLOBALS_BACKUPS = "yes" ]
|
|
then
|
|
echo "Globals backup"
|
|
|
|
set -o pipefail
|
|
if ! pg_dumpall -g -h "$HOSTNAME" -U "$USERNAME" | gzip > $FINAL_BACKUP_DIR"globals".sql.gz.in_progress; then
|
|
echo "[!!ERROR!!] Failed to produce globals backup" 1>&2
|
|
else
|
|
mv $FINAL_BACKUP_DIR"globals".sql.gz.in_progress $FINAL_BACKUP_DIR"globals".sql.gz
|
|
fi
|
|
set +o pipefail
|
|
else
|
|
echo "None"
|
|
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 $DATABASE"
|
|
|
|
set -o pipefail
|
|
if ! pg_dump -Fp -s -h "$HOSTNAME" -U "$USERNAME" "$DATABASE" | gzip > $FINAL_BACKUP_DIR"$DATABASE"_SCHEMA.sql.gz.in_progress; then
|
|
echo "[!!ERROR!!] Failed to backup database schema of $DATABASE" 1>&2
|
|
else
|
|
mv $FINAL_BACKUP_DIR"$DATABASE"_SCHEMA.sql.gz.in_progress $FINAL_BACKUP_DIR"$DATABASE"_SCHEMA.sql.gz
|
|
fi
|
|
set +o pipefail
|
|
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 $DATABASE"
|
|
|
|
set -o pipefail
|
|
if ! pg_dump -Fp -h "$HOSTNAME" -U "$USERNAME" "$DATABASE" | gzip > $FINAL_BACKUP_DIR"$DATABASE".sql.gz.in_progress; then
|
|
echo "[!!ERROR!!] Failed to produce plain backup database $DATABASE" 1>&2
|
|
else
|
|
mv $FINAL_BACKUP_DIR"$DATABASE".sql.gz.in_progress $FINAL_BACKUP_DIR"$DATABASE".sql.gz
|
|
fi
|
|
set +o pipefail
|
|
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" 1>&2
|
|
else
|
|
mv $FINAL_BACKUP_DIR"$DATABASE".custom.in_progress $FINAL_BACKUP_DIR"$DATABASE".custom
|
|
fi
|
|
fi
|
|
|
|
done
|
|
|
|
echo -e "\nAll database backups complete!" |