add bashup-backup-postgres.sh, adjust mysql vars

sbin/bashup-backup-mysql.sh

@@ -23,18 +23,18 @@ if [[ " ${retention_array[@]} " =~ " ${today} " ]]; then
   if [[ ! -d $backup_storage_dir/$today/mysql ]]; then
 
     mkdir $backup_storage_dir/$today/mysql
-    mysqladmin --defaults-extra-file=$defaults_extra_file refresh
+    mysqladmin --defaults-extra-file=$mysql_defaults_extra_file refresh
 
     # create array of all existing databases
-    databases=($(mysql --defaults-extra-file=$defaults_extra_file -E -e 'show databases;'|grep : |awk '{ print $2 }' |tr '\n' ' '));
+    databases=($(mysql --defaults-extra-file=$mysql_defaults_extra_file -E -e 'show databases;'|grep : |awk '{ print $2 }' |tr '\n' ' '));
 
     for database in "${databases[@]}"; do
 
-      if [[ " ${exclusions[@]} " =~ " ${database} " ]]; then
-        # do nothing, db is in exclusions array
+      if [[ " ${mysql_exclusions[@]} " =~ " ${database} " ]]; then
+        # do nothing, db is in mysql_exclusions array
         one=1;
       else
-        mysqldump --defaults-extra-file=$defaults_extra_file --opt --quote-names --events --databases $database | gzip > $backup_storage_dir/$today/mysql/$database.sql.gz
+        mysqldump --defaults-extra-file=$mysql_defaults_extra_file --opt --quote-names --events --databases $database | gzip > $backup_storage_dir/$today/mysql/$database.sql.gz
       fi
 
     done

sbin/bashup-backup-postgres.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+#
+# Bashup - A set of bash scripts for managing backups.
+# https://git.stack-source.com/msb/bashup
+# MIT License Copyright (c) 2021 Matthew Saunders Brown
+
+# load include file
+source $(dirname $0)/bashup.sh
+
+bashup::set-retention_array
+
+# create backup for today
+if [[ " ${retention_array[@]} " =~ " ${today} " ]]; then
+
+  # create backup (date) dir if it doesn't already exist
+  if [ ! -d "$backup_storage_dir/$today" ]; then
+
+    mkdir $backup_storage_dir/$today
+
+  fi
+
+  # only proceed if postgresql has not already been backed up
+  if [[ ! -d $backup_storage_dir/$today/postgres ]]; then
+
+    install --owner=postgres --group=postgres --mode=750 --directory $backup_storage_dir/$today/postgres
+
+    if [[ " ${pg_method[@]} " =~ " basebackup " ]]; then
+
+      su -c "pg_basebackup --pgdata=- --format=tar --gzip --wal-method=fetch > $backup_storage_dir/$today/postgres/pg_basebackup.sql.tar.gz" postgres
+
+    fi
+
+    if [[ " ${pg_method[@]} " =~ " dump " ]]; then
+
+      pg_databases=(`su -c "psql --command='SELECT datname FROM pg_database;' --csv|grep -v datname" postgres|tr '\n' ' '`)
+
+      for database in "${pg_databases[@]}"; do
+
+        if [[ " ${pg_dump_exclusions[@]} " =~ " ${database} " ]]; then
+          # do nothing, db is in pg_dump_exclusions array
+          one=1;
+        else
+          su -c "pg_dump --clean --create $database | gzip > $backup_storage_dir/$today/postgres/$database.sql.gz" postgres
+        fi
+
+      done
+
+
+    fi
+
+    if [[ " ${pg_method[@]} " =~ " dumpall " ]]; then
+
+      su -c "pg_dumpall --clean | gzip > $backup_storage_dir/$today/postgres/pg_dumpall.sql.gz" postgres
+
+    fi
+
+  fi
+
+fi
+
+bashup::remove_expired_backups pg
+bashup::unmount_storage_dir
+
+exit 0

sbin/bashup-restore-mysql.sh

@@ -101,8 +101,8 @@ fi
 if [ -d $backup_storage_dir/$backup ]; then
   if [ -f $backup_storage_dir/$backup/mysql/$dump ]; then
     echo "running:"
-    echo "/usr/bin/zcat $backup_storage_dir/$backup/mysql/$dump | mysql --defaults-extra-file=$defaults_extra_file $database"
-    /usr/bin/zcat $backup_storage_dir/$backup/mysql/$dump | mysql --defaults-extra-file=$defaults_extra_file $database
+    echo "/usr/bin/zcat $backup_storage_dir/$backup/mysql/$dump | mysql --defaults-extra-file=$mysql_defaults_extra_file $database"
+    /usr/bin/zcat $backup_storage_dir/$backup/mysql/$dump | mysql --defaults-extra-file=$mysql_defaults_extra_file $database
   else
     echo "ERROR: Dump for database $database does not exist in the $backup backup dir."
     exit 1

sbin/bashup.sh

@@ -15,7 +15,7 @@ retention_days=7;
 # backup storage directory
 backup_storage_dir='/mnt/backups';
 
-# which backup scripts to run via bashup-cron.sh - options are 'files', 'mysql', 'pdns'
+# which backup scripts to run via bashup-cron.sh - options are 'files', 'mysql', 'pdns', 'postgres'
 bashup_jobs=('files' 'mysql');
 
 # directories to be backed up by files
@@ -27,10 +27,20 @@ backup_dirs=('/etc' '/home/' '/root' '/srv/' '/usr/local' '/var/www/');
 # only the subdirectories within it
 
 # mysql config file that contains 'host' 'user' 'password' vars
-defaults_extra_file='/etc/mysql/debian.cnf';
+mysql_defaults_extra_file='/etc/mysql/debian.cnf';
 
 # list of mysql databases to skip
-exclusions=('information_schema' 'performance_schema' 'sys' 'wsrep');
+mysql_exclusions=('information_schema' 'performance_schema' 'sys' 'wsrep');
+
+# postgres backup method - options are 'basebackup', 'dump', 'dumpall'
+# basebackup makes an exact copy of the entire database cluster's files
+# dump creates individual sql dumps of each database
+# dumpall creates a single sql dump of all databases in one file
+# multiple methods can be specified
+pg_method=('basebackup' 'dump');
+
+# list of postgres databases to skip when using method 'dump'
+pg_dump_exclusions=('template0');
 
 # end configurable vars