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elastic2-doc-manager

The mongo-connector project originated as a MongoDB mongo-labs project and is now community-maintained under the custody of YouGov, Plc.

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Getting Started

This package is a document manager for mongo-connector that targets Elasticsearch versions 2.x and 5.x -- don't let the name fool you! For information on running mongo-connector with Elasticsearch, please see the MongoConnector Usage with Elasticsearch wiki page.

Installation

The installation of the elastic2-doc-manager depends on which version of Elasticsearch you are targeting.

Elasticsearch 1.x

This is the document manager for Elasticsearch 2.x and 5.x. If you want to target Elasticsearch 1.x, please install the elastic-doc-manager.

Elasticsearch 2.x

For use with an Elasticsearch 2.x server, install with pip:

pip install 'elastic2-doc-manager[elastic2]'

Elasticsearch 5.x

For use with an Elasticsearch 5.x server, install with:

pip install 'elastic2-doc-manager[elastic5]'

Note

Version 0.3.0 added support for Elasticsearch 5.x.

Amazon Elasticsearch Service

To use with Amazon Elasticsearch Service, you must install the required AWS dependencies along with the version of Elasticsearch:

pip install 'elastic2-doc-manager[elastic2,aws]'

Development

You can also install the development version of elastic2-doc-manager manually:

git clone https://github.com/yougov/elastic2-doc-manager.git
pip install -e './elastic2-doc-manager[elastic2]'

You may have to run pip with sudo, depending on where you're installing and what privileges you have.

Note

Please note that before mongo-connector version 2.2.2, the elastic

doc manager was packaged with mongo-connector and only supported Elasticsearch 1.x.

Running the tests

Requirements

  1. Copy of the Elastic 2.x Document Manager Github repository

The tests are not included in the package from PyPI and can only be acquired by cloning this repository on Github:

git clone https://github.com/yougov/elastic2-doc-manager
  1. Tox
Install tox.
  1. Environment variables
There are a few influential environment variables that affect the tests. These are defined in the tox.ini.

All the tests live in the tests directory.

Running tests on the command-line

While the tests take care of setting up and tearing down MongoDB clusters on their own, make sure to start Elasticsearch before doing a full test run!

You can run all the tests with one command (this works in all supported Python versions):

tox

Error messages

Some of the tests are meant to generate lots of ERROR-level log messages, especially the rollback tests. mongo-connector logs exceptions it encounters while iterating the cursor in the oplog, so we see these in the console output while MongoDB clusters are being torn apart in the tests. As long as all the tests pass with an OK message, all is well.