OpenMetadata/docs/install/metadata-ingestion/connectors/postgres.md

description
This guide will help install Postgres connector and run manually

Postgres

Postgres

{% hint style="info" %} Prerequisites

OpenMetadata is built using Java, DropWizard, Jetty, and MySQL.

1. Python 3.7 or above {% endhint %}

Install from PyPI or Source

{% tabs %} {% tab title="Install Using PyPI" %}

pip install 'openmetadata-ingestion[postgres]'

{% endtab %} {% tab title="Build from source " %}

# checkout OpenMetadata
git clone https://github.com/open-metadata/OpenMetadata.git
cd OpenMetadata/ingestion
python3 -m venv env
source env/bin/activate
pip install '.[postgres]'

{% endtab %} {% endtabs %}

Run Manually

metadata ingest -c ./pipelines/postgres.json

Configuration

{% code title="postgres.json" %}

{
  "source": {
    "type": "postgres",
    "config": {
      "username": "openmetadata_user",
      "password": "openmetadata_password",
      "host_port": "localhost:5432",
      "database": "pagila",
      "service_name": "local_postgres",
      "service_type": "POSTGRES",
      "include_pattern": {
        "deny": ["pg_openmetadata.*[a-zA-Z0-9]*","information_schema.*[a-zA-Z0-9]*"]      }
    }
  },
 ...

{% endcode %}

1. username - pass the Postgres username.
2. password - password for the Postgres username.
3. service_name - Service Name for this Postgres cluster. If you added the Postgres cluster through OpenMetadata UI, make sure the service name matches the same.
4. table_pattern - It contains allow, deny options to choose which pattern of datasets you want to ingest into OpenMetadata.
5. database - Database name from where data is to be fetched.

Publish to OpenMetadata

Below is the configuration to publish postgres data into openmetadata

Add Optional pii-tags processor and metadata-rest-tables sink along with metadata-server config

{% code title="postgres.json" %}

{
  "source": {
    "type": "postgres",
    "config": {
      "username": "openmetadata_user",
      "password": "openmetadata_password",
      "host_port": "localhost:5432",
      "database": "pagila",
      "service_name": "local_postgres",
      "service_type": "Postgres"
    }
  },
  "processor": {
    "type": "pii-tags",
    "config": {}
  },
  "sink": {
    "type": "metadata-rest-tables",
    "config": {}
  },
  "metadata_server": {
    "type": "metadata-server",
    "config": {
      "api_endpoint": "http://localhost:8585/api",
      "auth_provider_type": "no-auth"
    }
  },
  "cron": {
    "minute": "*/5",
    "hour": null,
    "day": null,
    "month": null,
    "day_of_week": null
  }
}