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MDM Server Application Properties

This article is intended to serve as a reference point for MDM server configuration. As such, it provides an overview of the available properties and, when applicable, refers users to more comprehensive sources. The properties described here are defined in the mdm-server/etc/application.properties file. For each property, you will find information about the required data type, its default value, and a short description. The Mandatory column specifies whether a property is required for the application to run and function as expected.

MDM Solution Configuration

The following properties point to files containing additional MDM settings. The paths are relative to the mdm.serverConfig file.

Name Data Type Default Value Mandatory Description

ataccama.one.mdm.mda.config-file

String

mda-config.xml

Yes

The path to the MDM Web App configuration file (see mdm-web-app-backend-component.adoc).

ataccama.one.mdm.nme.config-file

String

nme-config.xml

Yes

The path to the MDM Engine configuration file (see MDM Engine Configuration File).

ataccama.one.mdm.dqit.config-file

String

issue_management/config.xml

Yes

The path to the DQIT configuration file.

User Settings Configuration

You can configure how and where MDM Web App user settings are stored. User settings include, for example, which columns users have chosen not to display, filter settings, column width settings, and others.

Name Data Type Default Value Mandatory Description

ataccama.one.mdm.user-settings.type

String

jdbc

Yes

  • inmemory - When the in-memory persistence is used, user settings are stored in the web server memory and are lost on server restart.

  • jdbc - When the database persistence is used, users settings are permanently stored in a database. The component creates all the necessary tables when the server is started for the first time.

ataccama.one.mdm.user-settings.datasource

String

mdc_db

Yes

The name of the database.

ataccama.one.mdm.user-settings.table-prefix

String

us_

Yes

The tables created by the server have this prefix to distinguish them from other tables in the database.

MDM Features

Use these properties to configure specific MDM features and specify links to other applications.

Name Data Type Default Value Mandatory Description

ataccama.one.mdm.ai-matching.enabled

Boolean

false

No

Enables AI Matching in MDM Web App.

ataccama.client.connection.ai.host

String

localhost

No

The IP address or the hostname of the server where AI Matching microservices are running.

ataccama.client.connection.ai.grpc.port

String

8640

No

The number of the AI Matching gRPC port.

ataccama.one.mdm.mmm.enabled

Boolean

false

No

Enables the communication between MDM and Metadata Management Module (MMM). If set to true, the Glossary button and the link to ONE in MDM Web App navigation are shown.

ataccama.one.mdm.mmm.server-url

String

localhost:8021

No

The URL for MMM (mmm-be).

ataccama.one.mdm.mmm.webapp-url

String

localhost:8020

No

The URL to the ONE Web Application (accessible from the left navigation panel).

ataccama.one.mdm.mmm.cleaning-period

String

24

No

Defines how often the MMM node structure is updated. Accepted units: ns (nanoseconds), us `(microseconds), `ms `(milliseconds), `s (seconds), m (minutes), h (hours), d (days). If not specified, the unit is h.

ataccama.one.mdm.rdm.webapp-url

Number

8060

No

The URL shown as the RDM link in the MDM Web App navigation.

ataccama.one.mdm.notifications.enabled

Boolean

true

No

Enables MDM notifications.

`ataccama.one.mdm.dqit.enabled `

Boolean

true

No

Enables DQIT.

Keycloak Configuration

The following properties configure Keycloak. See 13.3.x@one-runtime-server:ROOT:encrypting-passwords.adoc for information about how to encrypt passwords.

Name Data type Default Value Mandatory Description

ataccama.authentication.keycloak.realm

String

ataccamaone

Yes

The name of the Keycloak realm.

ataccama.authentication.keycloak.base-url

String

localhost:8083

Yes

The Keycloak base URL.

Do not use / in the end of the URL.

ataccama.authentication.keycloak.server-url

String

${ataccama.authentication.keycloak.base-url}/auth

Yes

The URL of the server where Keycloak is running.

ataccama.authentication.keycloak.admin.client-id

String

mdm-admin-client

Yes

The client identifier used to verify the admin user authorization token.

ataccama.authentication.keycloak.admin.secret

String

mdm-admin-client-s3cret

Yes

The secret key of the client identifier for the admin account. Secret keys can be generated using Keycloak. Used by BASIC and SECRET_JWT strategies.

ataccama.authentication.keycloak.token.client-id

String

mdm-token-client

Yes

The client identifier. Used to verify a user authorization token and to log in a user.

ataccama.authentication.keycloak.token.secret

String

mdm-token-client-s3cret

Yes

The secret key of the client. Secret keys can be generated using Keycloak. Used by BASIC and SECRET_JWT strategies.

ataccama.authentication.keycloak.token.issuer

String

${ataccama.authentication.keycloak.server-url}/realms/${ataccama.authentication.keycloak.realm}

Yes

Specifies the issuer of the JWT token. Typically, Keycloak uses the URL of the realm as the token issuer.

SSL

Use these properties to set up SSL.

Name Data Type Default Value Mandatory Description

server.ssl.enabled

Boolean

true

No

Enables SSL.

server.ssl.key-store

String

/

No

The full path to the keystore.

server.ssl.key-store-password

String

/

No The password for decrypting the keystore. Used if the keystore is encrypted (recommended).

server.ssl.key-password

String

/

No

The password for the private key. Used if the private key is encrypted.

server.ssl.trust-store

String

/

No

The full path to the truststore.

server.ssl.trust-store-password

MDM HTTP Server

The following properties configure the MDM HTTP server.

Name Data Type Default Value Mandatory Description

ataccama.server.http.default.port

Number

8051

Yes

The number of the default server port.

ataccama.server.http.{listener_name}.path.exclude

String

/

No

Specifies the paths that are not available on the defined listener port.

ataccama.server.http.{listener_name}.path.include

String

/

No

Specifies the paths available on the defined port (for example, HA Admin Console, see ha-admin-console.adoc, or REST API, see REST API).

ataccama.server.http.{listener_name}.port

Number

/

No

Defines the port for other added custom listener.

HA Configuration

To enable high availability (HA) mode, specify the following properties. For more information about HA, see mdm-high-availability-overview.adoc.

Name Data Type Default Value Mandatory Description

ataccama.one.mdm.ha.load-balancer.port

Number

8058

No

The number of the port where the HA load balancer is running.

ataccama.one.mdm.ha.local-target-server.name

String

default

No

The name of the server where the MDM server instance is running.

AI Core setup

Name Data Type Default Value Mandatory Description

ataccama.one.platform.deployments.ai.uri

String

localhost:8640

Yes

The number of the port where AI Matching microservices are running.

ataccama.one.platform.deployments.ai.name

String

AI deployment

ataccama.one.platform.deployments.ai.module

String

ai

Yes

The name of the module type.

ataccama.one.platform.deployments.ai.environment

String

dev

Yes

The name of the environment.

ataccama.one.platform.deployments.ai.security.jwt-keys.key1.name

String

AI

Yes

The name of the public key.

ataccama.one.platform.deployments.ai.security.jwt-keys.key1.fingerprint

String

/

Yes

The key identifier (kid) value from the file containing the Public and Private Keypair.

ataccama.one.platform.deployments.ai.security.jwt-keys.key1.content

String

/

Yes

The value of the public key. Must use JSON syntax and be provided on a single line.

ataccama.one.platform.deployments.ai.security.jwt-keys.key1.isRevoked

Boolean

false

Yes

Specifies if the public key is valid. If set to true, the key is rejected.

ataccama.one.platform.deployments.ai.security.roles

String

IMPERSONATION

Yes

The user role used to create the service identity during authentication.

DPM Setup

If your product suite includes ONE, configure DPM using the following properties. The JWT secret and the accompanying properties for DPM that are used for communication with ONE can be found in the /opt/ataccama/one/mmm-backend/etc/application.properties configuration file. If you want to generate a new key for the connection between DPM and MDM, follow the instructions in 13.3.x@one:ROOT:generate-jwt-keys.adoc.

Name Data Type Default Value Mandatory Description

ataccama.one.platform.deployments.dpm.uri

String

localhost:8031

No

The number of the port where DPM is running.

ataccama.one.platform.deployments.dpm.name

String

MMM

ataccama.one.platform.deployments.dpm.module

String

dpm

No

The name of the module type.

ataccama.one.platform.deployments.dpm.environment

String

dev

No

The name of the environment.

ataccama.one.platform.deployments.dpm.security.jwt-keys.key1.name

String

dpm

No

The name of the public key.

ataccama.one.platform.deployments.dpm.security.jwt-keys.key1.fingerprint

String

/

No

The key identifier (kid) value from the file containing the Public and Private Keypair.

ataccama.one.platform.deployments.dpm.security.jwt-keys.key1.content

String

/

No

The value of the public key. The value must use JSON syntax and be provided on a single line.

ataccama.one.platform.deployments.dpm.security.jwt-keys.key1.isRevoked

Boolean

false

No

Specifies if the public key is valid. If set to true, the key is rejected.

ataccama.one.platform.deployments.dpm.security.roles

String

IMPERSONATION

No

The user role used to create the service identity during authentication.

MDM gRPC Server

The following property configures the MDM gRPC server.

Name Data Type Default Value Mandatory Description

ataccama.server.grpc.port

Number

8551

Yes

The number of the port where the gRPC server is running. Authentication depends on the Keycloak configuration.

Configuration Service

The following property sets whether the Configuration Service is used.

Name Data Type Default Value Mandatory Description

ataccama.config-service.runtime

String

off

Yes

Enables using the Configuration Service. Valid values: off, optional, mandatory. If set to mandatory, the module fails when there is an error connecting to the Configuration Service.

Service Private Key

Provide the service private key for MDM using the following property. The key must be set if your instance uses any of the following modules: Configuration Service, AI Matching, ONE Platform.

Name Data Type Default Value Mandatory Description

ataccama.authentication.internal.jwt.generator.key

String

/

No

The key generated for internal JWT authentication.

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