1. mongosh.sh:
Just a wrapper based onconfig.sh.
For the administration scripts copy config.example.sh to config.sh and adapt as necessary.
2.1. backup.sh:
Backups all collections using mongodump.
Once a backup is taken, it keeps the last MAX_BACKUPS.
The latest one has a symlink to backup.latest.
2.2. restore.sh:
Restores all collections using mongorestore.
You may optionally modify the script to use the --drop flag,
for clearing everything in the database before restoring.
You can supply different restore mongodb server and database than the one used during backup.
The backup name to restore is optional.
If not given it uses the backup.latest.