Mongodump All Databases Shell Script for Cronjob

mongo_backup.sh

#!/bin/sh

set -e

HOST_NAME="$(hostname)"
MONGO_HOST="127.0.0.1"
MONGO_PORT=27017
MONGO_USER="admin"
MONGO_PASS="password"
MONGO_AUTHDB="admin"
TIMESTAMP=$(date +%F-%H%M)
MONGODUMP_PATH="$(which mongodump)"
BACKUPS_DIR="/tmp" # without a final slash
BACKUP_NAME="mongodb-${HOST_NAME}-${TIMESTAMP}"

[ ! -f "${MONGODUMP_PATH}" ] && \
  echo >&2 "Mongodump binary not found in ${MONGODUMP_PATH}." && \
  echo >&2 "Make sure you have mongodb-org-tools installed." && \
  exit 1

[ ! -d "${BACKUPS_DIR}" ] && \
  mkdir -p "${BACKUPS_DIR}"

"$MONGODUMP_PATH" \
  --host "${MONGO_HOST}" \
  --port ${MONGO_PORT} \
  --username "${MONGO_USER}" \
  --password "${MONGO_PASS}" \
  --authenticationDatabase "${MONGO_AUTHDB}" \
  --archive="${BACKUPS_DIR}/${BACKUP_NAME}.gz" \
  --gzip