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Elasticsearch Client builder, complete with schema validation

Project description

https://es-client.readthedocs.io/

You may wonder why this even exists, as at first glance it doesn’t seem to make anything any easier than just using the elasticsearch8 Python module to build a client connection. I needed to be able to reuse the more complex schema validation bits I was employing, namely:

  • master_only detection

  • Elasticsearch version checking and validation, and the option to skip this.

  • Configuration value validation, including file paths for SSL certificates, meaning:

    • No unknown keys or unacceptable parameter values are accepted

    • Acceptable values and ranges are established (where known)–and easy to amend, if necessary.

So, if you don’t need these, then this library probably isn’t what you’re looking for. If you want these features, then you’ve come to the right place.

Example Usage

from es_client import Builder

config = {
    'elasticsearch': {
        'client': {
            'hosts': 'https://10.0.0.123:9200',
            'ca_certs': '/etc/elasticsearch/certs/ca.crt',
            'request_timeout': 60,
        },
        'other_settings': {
            'master_only': false,
            'username': 'joe_user',
            'password': 'password',
        }
    }
}

builder = Builder(configdict=config)

try:
    builder.connect()
except:
    # Do exception handling here...

client = builder.client

Additionally, you can read from a YAML configuration file:

---
elasticsearch:
  client:
    hosts: https://10.0.0.123:9200
    ca_certs: /etc/elasticsearch/certs/ca.crt
    request_timeout: 60
  other_settings:
    master_only: false
    username: joe_user
    password: password
from es_client import Builder

builder = Builder(configfile='/path/to/es_client.yml')

try:
    builder.connect()
except:
    # Do exception handling here...

client = builder.client

The same schema validations apply here as well.

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