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Load LDAP Objects to a Database Using Embulk


Use CData JDBC drivers with the open source ETL/ELT tool Embulk to load LDAP objects to a database.

Embulk is an open source bulk data loader. When paired with the CData JDBC Driver for LDAP, Embulk easily loads data from LDAP to any supported destination. In this article, we explain how to use the CData JDBC Driver for LDAP in Embulk to load LDAP objects to a MySQL dtabase.

With built-in optimized data processing, the CData JDBC Driver offers unmatched performance for interacting with live LDAP objects. When you issue complex SQL queries to LDAP, the driver pushes supported SQL operations, like filters and aggregations, directly to LDAP and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations).

Configure a JDBC Connection to LDAP Objects

Before creating a bulk load job in Embulk, note the installation location for the JAR file for the JDBC Driver (typically C:\Program Files\CData\CData JDBC Driver for LDAP\lib).

Embulk supports JDBC connectivity, so you can easily connect to LDAP and execute SQL queries. Before creating a bulk load job, create a JDBC URL for authenticating with LDAP.

To establish a connection, the following properties under the Authentication section must be provided:

  • Valid User and Password credentials (e.g., Domain\BobF or cn=Bob F,ou=Employees,dc=Domain).
  • Server information, including the IP or host name of the Server, as well as the Port.

  • BaseDN: This will limit the scope of LDAP searches to the height of the distinguished name provided.

    Note: Specifying a narrow BaseDN may greatly increase performance; for example, cn=users,dc=domain will only return results contained within cn=users and its children.

Built-in Connection String Designer

For assistance in constructing the JDBC URL, use the connection string designer built into the LDAP JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.ldap.jar

Fill in the connection properties and copy the connection string to the clipboard.

Below is a typical JDBC connection string for LDAP:

jdbc:ldap:User=Domain\BobF;Password=bob123456;Server=10.0.1.1;Port=389;

Load LDAP Objects in Embulk

After installing the CData JDBC Driver and creating a JDBC connection string, install the required Embulk plugins.

Install Embulk Input & Output Plugins

  1. Install the JDBC Input Plugin in Embulk.
    https://github.com/embulk/embulk-input-jdbc/tree/master/embulk-input-jdbc
    2. embulk gem install embulk-input-jdbc
  2. In this article, we use MySQL as the destination database. You can also choose SQL Server, PostgreSQL, or Google BigQuery as the destination using the output Plugins.
    https://github.com/embulk/embulk-output-jdbc/tree/master/embulk-output-mysql embulk gem install embulk-output-mysql

With the input and output plugins installed, we are ready to load LDAP objects into MySQL using Embulk.

Create a Job to Load LDAP Objects

Start by creating a config file in Embulk, using a name like ldap-mysql.yml.

  1. For the input plugin options, use the CData JDBC Driver for LDAP, including the path to the driver JAR file, the driver class (e.g. cdata.jdbc.ldap.LDAPDriver), and the JDBC URL from above
  2. For the output plugin options, use the values and credentials for the MySQL database

Sample Config File (ldap-mysql.yml)

in: type: jdbc driver_path: C:\Program Files\CData[product_name] 20xx\lib\cdata.jdbc.ldap.jar driver_class: cdata.jdbc.ldap.LDAPDriver url: jdbc:ldap:User=Domain\BobF;Password=bob123456;Server=10.0.1.1;Port=389; table: "User" out: type: mysql host: localhost database: DatabaseName user: UserId password: UserPassword table: "User" mode: insert

After creating the file, run the Embulk job.

embulk run ldap-mysql.yml

After running the the Embulk job, find the Salesforce data in the MySQL table.

Load Filtered LDAP Objects

In addition to loading data directly from a table, you can use a custom SQL query to have more granular control of the data loaded. You can also perform increment loads by setting a last updated column in a SQL WHERE clause in the query field.

in: type: jdbc driver_path: C:\Program Files\CData[product_name] 20xx\lib\cdata.jdbc.ldap.jar driver_class: cdata.jdbc.ldap.LDAPDriver url: jdbc:ldap:User=Domain\BobF;Password=bob123456;Server=10.0.1.1;Port=389; query: "SELECT Id, LogonCount FROM User WHERE [RecordId] = 1" out: type: mysql host: localhost database: DatabaseName user: UserId password: UserPassword table: "User" mode: insert

More Information & Free Trial

By using CData JDBC Driver for LDAP as a connector, Embulk can integrate LDAP objects into your data load jobs. And with drivers for more than 200+ other enterprise sources, you can integrate any enterprise SaaS, big data, or NoSQL source as well. Download a 30-day free trial and get started today.