Installing and configuring Talend Dictionary Service

Installing and configuring Talend Dictionary Service - 7.1

Talend Big Data Platform Installation Guide for Linux

Version

7.1

Language

English (United States)

Product

Talend Big Data Platform

Module

Talend Activity Monitoring Console

Talend Administration Center

Talend Artifact Repository

Talend CommandLine

Talend Data Preparation

Talend Data Stewardship

Talend DQ Portal

Talend Identity and Access Management

Talend Installer

Talend JobServer

Talend Log Server

Talend Repository Manager

Talend Runtime

Talend SAP RFC Server

Talend Studio

Content

Installation and Upgrade

Add mongo to the PATH environment variable.
Create the dqdict database in MongoDB using the following command:
use dqdict
Create the following user for the dqdict database in MongoDB:
- Username: dqdict-user
- Password: duser
To do this, you can use the following command:
```
db.createUser( { user: "dqdict-user", pwd: "duser", roles: [{ role: "readWrite", db: "dqdict"}]})
```
Stop your Apache Tomcat instance if it was automatically started.
Unzip the DQDictServer-A.B.C.zip to a dq_dict folder.
Remove the contents of the <Tomcat>/webapps folder.
Create a <Tomcat>/app folder and copy the dataquality-semantic-producer-A.B.C.war file from dq_dict.
Copy the file contained in dq_dict/context to <Tomcat>/conf/Catalina/localhost.
Copy the configuration file contained in dq_dict/config to <Tomcat>/conf.

Open the <Tomcat>/conf/data-quality.properties file and edit the following Talend Dictionary Service properties:

Field	Action
`oidc.url`	Enter the URL to Talend Identity and Access Management, `http://localhost:9080/oidc` for example.
`scim.url`	Enter the URL to Talend Identity and Access Management SCIM, `http://localhost:9080/scim` for example.
`oidc.semanticservice.id`	Enter the Talend Identity and Access Management OIDC client identifier.
`oidc.semanticservice.secret`	Enter the Talend Identity and Access Management OIDC password.
`spring.cloud.stream.kafka.binder.brokers`	Enter the host corresponding to your Kafka broker.
`spring.cloud.stream.kafka.binder.defaultBrokerPort`	Enter the port corresponding to your Kafka broker.
`spring.cloud.stream.kafka.binder.zkNodes`	Enter the host corresponding to your Zookeeper node.
`spring.cloud.stream.kafka.binder.defaultZkPort`	Enter the port corresponding to your Zookeeper node.

All the passwords entered in the properties file are encrypted when you start your Talend Dictionary Service instance.

Update the following fields with your MongoDB settings:

Field	Description
`dq.mongo.host`	Host name of your MongoDB instance.
`dq.mongo.port`	Port number of your MongoDB instance.
`dq.mongo.username`	Username used to connect to the database.
`dq.mongo.password`	Password used to connect to the database.
`dq.mongo.database.name`	Name of the database on which Talend Dictionary Service is connected, dqdict by default.

Launch MongoDB.
Go to the dq_dict/database folder and edit the semantic-dictionary-import.sh script.
Replace the variable with your MongoDB credentials.
Execute the script.
Start Talend Dictionary Service by launching, in order:
- Apache Zookeeper
- Apache Kafka
- Apache Tomcat