added postgres_backup.sh

postgres_backup.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env sh
+
+# CONFIG
+### Example Config File ############
+###
+### PORT=5432
+### DIR=/var/lib/pgsql/backup
+### COMPRESSION=zstd
+### COMP_LEVEL=14
+### THREADS=2
+###
+####################################
+
+source ${HOME}/.postgres_backup.conf
+# END CONFIG
+
+## Check if automated, set appropriate directory
+[ "$1" = "auto" ] && DIR=${DIR}/auto || DIR=${DIR}/manual
+
+## Set date for timestamp
+DATE=$(date +%Y%m%d-%H%M)
+
+## Get list of DBs
+list_db=$(psql -p${PORT} -U postgres -t -c 'select datname from pg_database;' | grep -v 'template0\|template1\|postgres' | sed '/^$/d')
+
+for db in $list_db; do
+	case $COMPRESSION in
+		xz)
+			pg_dump -O $db | xz -T${THREADS} -${COMP_LEVEL} - > ${DIR}/${db}-${DATE}.dmp.xz
+			;;
+		zstd)
+			pg_dump -O $db | zstd -T${THREADS} -${COMP_LEVEL} -z - > ${DIR}/${db}-${DATE}.dmp.zst
+			;;
+		*)
+			echo "ERROR 11: Compression not configured correctly!"
+		        exit 11
+			;;
+	esac
+done
+
+## Dump Globals
+pg_dumpall -p${PORT} -g > ${DIR}/globals_${DATE}.dmp
+
+exit 0
+