Created
November 2, 2017 18:49
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mongodb migration bash script
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#!/bin/bash | |
export hosts="localhost" | |
export new_db="ratul" | |
export new_user="ratul" | |
export new_pass="ratul" | |
export backup_path="/var/backups/mongobackups" | |
export old_db="ooop" # existing database name which'll be migrated | |
sudo mkdir $backup_path | |
sudo sed -i 's/\(authorization:\)\(.*\)/\1 disabled/' /etc/mongod.conf | |
sudo systemctl restart mongodb | |
### create backup of database | |
sudo mongodump -d $old_db --out $backup_path/ | |
### restore the backed up database to new db | |
sudo mongorestore -d $new_db --drop $backup_path/$old_db | |
mongo $new_db --eval "db.createUser({ user: '$new_user', pwd: '$new_pass', roles: [ { role: 'root', db: '$new_db' } ] });" | |
sudo sed -i 's/\(authorization:\)\(.*\)/\1 enabled/' /etc/mongod.conf | |
sudo systemctl restart mongodb |
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