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@debitoor/mongocopy
Advanced tools
module for copying the subsets of data between mongo databases
Sometimes we need to copy a special set of user data from one environment to another. The module fits nicely when you want to
Assume you have production and staging database. In production db you have
{
products: [
{userId: 1, _id: 1, name: 'apple'},
{userId: 1, _id: 2, name: 'orange'}
],
customers: [
{userId: 1, _id: 1, name: 'bob'},
{userId: 1, _id: 2, name: 'rob'},
{userId: 2, _id: 3, name: 'li'}
],
countries: [
{_id: 1, code: 'UA'},
{_id: 2, code: 'ES'},
{_id: 3, code: 'DK'}
],
files: [..],
other: [..]
}
You want to copy only a few collections for the user 1, transform the documents inside because of env differences, and also you want some dictionary eg countries
var mongocopy = require('mongocopy');
var opts = {
uriFrom: 'mongodb://localhost:27017/production',
uriTo: 'mongodb://localhost:27017/staging',
data: {
products: {
query: {userId: 1},
transform: function(doc, cb) {
doc.name += ' xxl';
return cb(null, doc);
}
},
customers: {
query: {userId: 1},
transform: function(doc, cb) {
doc.name = 'mr ' + doc.name;
return cb(null, doc);
}
},
countries: {}
},
dryRun: true, // fake run without inserts, reports docs which are found by given queries
log: true, // streaming logs, false by default
ignoreDuplicates: true // continue if duplicate error occured, false by default
}
};
mongocopy(opts, function(err, report) {
console.log(arguments);
});
That's it!
FAQs
module for copying the subsets of data between mongo databases
The npm package @debitoor/mongocopy receives a total of 24 weekly downloads. As such, @debitoor/mongocopy popularity was classified as not popular.
We found that @debitoor/mongocopy demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 28 open source maintainers collaborating on the project.
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