mongobackup.sh

#!/bin/bash 

# This script is supposed to be executed on the 
# machine which hosts the database. 
# 
# What it does is to dump the entire database in 
# separate directories, and then tgzip each single 
# database. 

# Example:
# ./mongobackup.sh /var/backup/zipped_mongodb

# 
# Store username and password to access the mongodb 
# instance as admin 

USERNAME=""
PASSWORD=""

if test -n "$PASSWORD" ; then 
  PASSWORD_OPTION=" -p $PASSWORD"    
fi 

if test -n "$USERNAME" ; then  
  USERNAME_OPTION=" -u $USERNAME "
fi
  
if test -n "$1" ; then 
  DESTINATION_PATH="$1"
  DESTINATION_OPTION=" -o $DESTINATION_PATH"
else 
  DESTINATION_PATH='dump' # mongodb's defautl
fi

COMMAND="mongodump --directoryperdb $USERNAME_OPTION $PASSWORD_OPTION $DESTINATION_OPTION"


echo $COMMAND
# Execute 
$COMMAND 

if test $? != 0 ; then 
  echo "mongodump command did not complete. Exiting."
  exit 130
fi

# move to destination path, zip and clean
cd $DESTINATION_PATH

for i in $(ls) ; do 
  tar zcvf $i.tar.gz $i
  rm -rf $i
done