【MongoDB】MongoDB备份脚本

#!/bin/bash
################################################################################
#0 * * * * /root/dhmon/mongo-backup.sh >> /root/dhmon/full_mongo_backup.log 2>&1
################################################################################
export PATH=/bin:/usr/bin:/usr/local/bin
TODAY=`date +"%Y%m%d%H%M%S"`
 
######################################################################
DB_BACKUP_PATH='/databak/mdb'
MONGO_HOST='8.8.8.8'
MONGO_PORT='27017'

# If mongodb is protected with username password.
# Set AUTH_ENABLED to 1 
# and add MONGO_USER and MONGO_PASSWD values correctly
AUTH_ENABLED=1
MONGO_USER='abcd'
MONGO_PASSWD='abcd'


# Set DATABASE_NAMES to "ALL" to backup all databases.
# or specify databases names seprated with space to backup 
# specific databases only.

DATABASE_NAMES='ALL'
#DATABASE_NAMES='mydb db2 newdb'

## Number of days to keep local backup copy
BACKUP_RETAIN_DAYS=15
 
######################################################################
######################################################################
# Create backup directory
if ! mkdir -p ${DB_BACKUP_PATH}/${TODAY}; then
  echo "Can't create backup directory in ${DB_BACKUP_PATH}. Go and fix it!" 1>&2 
  exit 1;
fi;

AUTH_PARAM=""

if [ ${AUTH_ENABLED} -eq 1 ]; then
	AUTH_PARAM=" --username ${MONGO_USER} --password ${MONGO_PASSWD} "
fi

if [ ${DATABASE_NAMES} = "ALL" ]; then
	echo "Running backup for all databases at $(date +"%Y-%m-%d:%H-%M-%S"). " 
	echo "--------------------------------------------"
	mongodump --host ${MONGO_HOST} --port ${MONGO_PORT} ${AUTH_PARAM} --gzip --oplog --out ${DB_BACKUP_PATH}/${TODAY}/
	
else
	echo "Running backup for selected databases"
	for DB_NAME in ${DATABASE_NAMES}
	do
		mongodump --host ${MONGO_HOST} --port ${MONGO_PORT} --db ${DB_NAME} ${AUTH_PARAM}  --gzip --out ${DB_BACKUP_PATH}/${TODAY}/
	done
fi

 
######## Remove backups older than {BACKUP_RETAIN_DAYS} days  ########
if [ ! -z ${DB_BACKUP_PATH} ]; then
      cd ${DB_BACKUP_PATH}
	  find $DB_BACKUP_PATH -type f -mtime +$BACKUP_RETAIN_DAYS -exec rm {} +
	  echo "--------------------------------------------"
	  echo "Database backup complete at $(date +"%Y-%m-%d:%H-%M-%S")!" 
fi
 

######################### End of script ##############################

　　

https://pranavprakash.net/2017/02/04/automate-mongodb-backups-using-cron-and-shell-script/