npm-skim-registry's Introduction

npm-skim-registry

Mcouch for npm registries. The opposite of npm-fullfat-registry.

This moves attachments to the target in manta, but then also deletes them out of the couchdb. It avoids then deleting them out of manta, by specifying a {skip: true} value for each tarball associated with a published version.

This results in deleting attachments that don't belong (except for favicon.ico on the npm doc, which is a special magical snowflake), but keeping attachments in Manta if they are needed for a published version, even as they are removed from couchdb.

You probably don't need this. It's super niche. More likely, if you're even reading this, you want either mcouch or npm-fullfat-registry.

USAGE

Skim({
  client:        multiFSClient,
  source:        myCouchDBUrl,
  sequenceFile:  '.sequence',
  inactivity_ms: 60*60*1000,
  delete:        true
}).on('put', function(doc) {
  console.log('PUT %s', doc._id);
}).on('rm', function(doc) {
  console.log('RM %s', doc._id);
}).on('send', function(doc, file) {
  console.log('-> sent %s/%s', doc._id, filename);
}).on('delete', function(doc, remote) {
  console.log('-> deleted %s/%s', doc._id, remote);
});

Or on the cli:

> ./bin/skim.js --help
npm-skim-registry - Skim the fat out of your registry couchdb
Usage: npm-skim-registry [args] COUCHDB

    COUCHDB                             Full url to your couch, like
                                        http://localhost:5984/database
    -f FILE, --config=FILE    config file for multifs targets; required
    -Q FILE, --seq-file=FILE  File to store the sequence in, required
    -q NUMBER, --seq=NUMBER   Sequence ID to start at; overrides sequence in file
    -r URL, --registry=URL    The registry where attachments can be found; optional
    --inactivity-ms=MS        Max ms to wait before assuming disconnection.
    -d, --delete              Delete removed attachments and docs from targets
    -s URL, --skimdb=URL      Target to write attachment-free docs. Defaults to
                              put back into COUCHDB arg.
    -h, --help                Print this help and exit

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