mongodb-copy

copy a source database into a emptied destination database.

##Installation npm install --save @tresmo/mongodb-copy

##Usage as command This package provides a mongodb-copy command as bin. You must specify with -s with the source database url and with -d the destination database url.

###Example Define a script in package.json to copy a database if environment variable IS_REVIEW_APP is set to true

"copydb": "if [ \"$IS_REVIEW_APP\" = \"true\" ]; then mongodb-copy -s $MONGO_EXPORT_SOURCE_URL -d $MONGODB_URI; fi"

##Usage as function This package provides a function with the following parameter:

• The source database URL (required)
• The destination database url. (required)
• The string for one included collection name. (optional)
• The string of one or array of strings for excluded collection names. (optional)
• Callback if given returns (err), otherwise returns a promise.

###Examples

var mongodbCopy = require('@tresmo/mongodb-copy');

####Examples as Promise

• copy one database into backup: mongodbCopy( 'mongodb://localhost/one', 'mongodb://localhost/backup').then()...
• copy the collection products from database one into backup: mongodbCopy( 'mongodb://localhost/one', 'mongodb://localhost/backup', 'products').then()...
• copy all collections excluding products from database one into backup: mongodbCopy( 'mongodb://localhost/one', 'mongodb://localhost/backup', null, 'products').then()...
• copy all collections excluding products and customers from database one into backup: mongodbCopy( 'mongodb://localhost/one', 'mongodb://localhost/backup', null, ['products','customers']).then()...

####Examples with callback

• copy one database into backup: mongodbCopy( 'mongodb://localhost/one', 'mongodb://localhost/backup', functions(err) {...
• copy the collection products from database one into backup: mongodbCopy( 'mongodb://localhost/one', 'mongodb://localhost/backup', 'products', functions(err) {...
• copy all collections excluding products from database one into backup: mongodbCopy( 'mongodb://localhost/one', 'mongodb://localhost/backup', null, 'products', functions(err) {...
• copy all collections excluding products and customers from database one into backup: mongodbCopy( 'mongodb://localhost/one', 'mongodb://localhost/backup', null, ['products','customers'], functions(err) {...

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