Export all MongoDB databases to directories in "Y-m-d" date format using mongodump

export-all-mongodbs.sh

#!/bin/bash

# Set the base directory where the new directory will be created
base_dir="/home/BACKUPS"

# Create a variable for the current date in Y-m-d format
current_date=$(date +%Y-%m-%d)

# Define an array to store the messages
declare -a messages

# ==========================================

function mongodb_backup {
  PROJECT_NAME="$1"  
  URI_CONNECTION_STRING="$2"  
  OUTPUT_DIR="$base_dir/$PROJECT_NAME/$current_date"
  
  # Do the backup
  mongodump --uri $URI_CONNECTION_STRING -o $OUTPUT_DIR

  # Create a directory with the current date as the name, relative to the base directory
  mkdir -p "$base_dir/$PROJECT_NAME/$current_date"

  # Output a message indicating the directory has been created
  messages+=("# Backed up $1 to: $OUTPUT_DIR")
}

function print_status {
  echo -e "\n"
  # Output all the messages at the end
  for message in "${messages[@]}"
  do
    echo -e "$message"
  done
  echo -e "Finished!\n"
}

# ==========================================

mongodb_backup "MyProject1" "mongodb://Admin:MYPASS@appcluster.15lf4.mongodb.net/mydb1"
mongodb_backup "ProjectName2" "mongodb://Admin:MYPASS@appcluster.15lf4.mongodb.net/mydb2"
mongodb_backup "TheProject3" "mongodb://Admin:MYPASS@appcluster.15lf4.mongodb.net/mydb3"

# ==========================================

print_status