Initial commit
This commit is contained in:
parent
fb4dacc6be
commit
06a58fed89
|
@ -0,0 +1,5 @@
|
|||
# PostgreSQL Backup
|
||||
|
||||
Scripts et empaquetage Debian de scripts de sauvegarde de bases de données PostgreSQL.
|
||||
|
||||
Extrait de l'article du wiki officiel ["Automated Backup on Linux"](https://wiki.postgresql.org/wiki/Automated_Backup_on_Linux).
|
|
@ -0,0 +1,45 @@
|
|||
##############################
|
||||
## POSTGRESQL BACKUP CONFIG ##
|
||||
##############################
|
||||
|
||||
# Optional system user to run backups as. If the user the script is running as doesn't match this
|
||||
# the script terminates. Leave blank to skip check.
|
||||
BACKUP_USER=
|
||||
|
||||
# Optional hostname to adhere to pg_hba policies. Will default to "localhost" if none specified.
|
||||
HOSTNAME=
|
||||
|
||||
# Optional username to connect to database as. Will default to "postgres" if none specified.
|
||||
USERNAME=
|
||||
|
||||
# This dir will be created if it doesn't exist. This must be writable by the user the script is
|
||||
# running as.
|
||||
BACKUP_DIR=/home/backups/database/postgresql/
|
||||
|
||||
# List of strings to match against in database name, separated by space or comma, for which we only
|
||||
# wish to keep a backup of the schema, not the data. Any database names which contain any of these
|
||||
# values will be considered candidates. (e.g. "system_log" will match "dev_system_log_2010-01")
|
||||
SCHEMA_ONLY_LIST=""
|
||||
|
||||
# Will produce a custom-format backup if set to "yes"
|
||||
ENABLE_CUSTOM_BACKUPS=yes
|
||||
|
||||
# Will produce a gzipped plain-format backup if set to "yes"
|
||||
ENABLE_PLAIN_BACKUPS=yes
|
||||
|
||||
# Will produce gzipped sql file containing the cluster globals, like users and passwords, if set to "yes"
|
||||
ENABLE_GLOBALS_BACKUPS=yes
|
||||
|
||||
|
||||
#### SETTINGS FOR ROTATED BACKUPS ####
|
||||
|
||||
# Which day to take the weekly backup from (1-7 = Monday-Sunday)
|
||||
DAY_OF_WEEK_TO_KEEP=5
|
||||
|
||||
# Number of days to keep daily backups
|
||||
DAYS_TO_KEEP=7
|
||||
|
||||
# How many weeks to keep weekly backups
|
||||
WEEKS_TO_KEEP=5
|
||||
|
||||
######################################
|
|
@ -0,0 +1,166 @@
|
|||
#!/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 $SCRIPTPATH/pg_backup.config
|
||||
fi;
|
||||
|
||||
###########################
|
||||
#### PRE-BACKUP CHECKS ####
|
||||
###########################
|
||||
|
||||
# Make sure we're running as the required backup user
|
||||
if [ "$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!"
|
|
@ -0,0 +1,206 @@
|
|||
#!/bin/bash
|
||||
|
||||
###########################
|
||||
####### LOAD CONFIG #######
|
||||
###########################
|
||||
|
||||
while [ $# -gt 0 ]; do
|
||||
case $1 in
|
||||
-c)
|
||||
CONFIG_FILE_PATH="$2"
|
||||
shift 2
|
||||
;;
|
||||
*)
|
||||
${ECHO} "Unknown Option \"$1\"" 1>&2
|
||||
exit 2
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
if [ -z $CONFIG_FILE_PATH ] ; then
|
||||
SCRIPTPATH=$(cd ${0%/*} && pwd -P)
|
||||
CONFIG_FILE_PATH="${SCRIPTPATH}/pg_backup.conf"
|
||||
fi
|
||||
|
||||
if [ ! -r ${CONFIG_FILE_PATH} ] ; then
|
||||
echo "Could not load config file from ${CONFIG_FILE_PATH}" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
source "${CONFIG_FILE_PATH}"
|
||||
|
||||
###########################
|
||||
#### 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 ####
|
||||
###########################
|
||||
|
||||
function perform_backups()
|
||||
{
|
||||
SUFFIX=$1
|
||||
FINAL_BACKUP_DIR=$BACKUP_DIR"`date +\%Y-\%m-\%d`$SUFFIX/"
|
||||
|
||||
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"
|
||||
else
|
||||
mv $FINAL_BACKUP_DIR"$DATABASE".custom.in_progress $FINAL_BACKUP_DIR"$DATABASE".custom
|
||||
fi
|
||||
fi
|
||||
|
||||
done
|
||||
|
||||
echo -e "\nAll database backups complete!"
|
||||
}
|
||||
|
||||
# MONTHLY BACKUPS
|
||||
|
||||
DAY_OF_MONTH=`date +%d`
|
||||
|
||||
if [ $DAY_OF_MONTH -eq 1 ];
|
||||
then
|
||||
# Delete all expired monthly directories
|
||||
find $BACKUP_DIR -maxdepth 1 -name "*-monthly" -exec rm -rf '{}' ';'
|
||||
|
||||
perform_backups "-monthly"
|
||||
|
||||
exit 0;
|
||||
fi
|
||||
|
||||
# WEEKLY BACKUPS
|
||||
|
||||
DAY_OF_WEEK=`date +%u` #1-7 (Monday-Sunday)
|
||||
EXPIRED_DAYS=`expr $((($WEEKS_TO_KEEP * 7) + 1))`
|
||||
|
||||
if [ $DAY_OF_WEEK = $DAY_OF_WEEK_TO_KEEP ];
|
||||
then
|
||||
# Delete all expired weekly directories
|
||||
find $BACKUP_DIR -maxdepth 1 -mtime +$EXPIRED_DAYS -name "*-weekly" -exec rm -rf '{}' ';'
|
||||
|
||||
perform_backups "-weekly"
|
||||
|
||||
exit 0;
|
||||
fi
|
||||
|
||||
# DAILY BACKUPS
|
||||
|
||||
# Delete daily backups 7 days old or more
|
||||
find $BACKUP_DIR -maxdepth 1 -mtime +$DAYS_TO_KEEP -name "*-daily" -exec rm -rf '{}' ';'
|
||||
|
||||
perform_backups "-daily"
|
Loading…
Reference in New Issue