第2章 Project deployment in Business Central


You can use Business Central to develop your business assets and services and to manage KIE Servers configured for project deployment. When your project is developed, you can build the project in Business Central and deploy it automatically to the KIE Server. To enable automatic deployment, Business Central includes a built-in Maven repository. From Business Central, you can start, stop, or remove the deployment units (KIE containers) that contain the services and their project versions that you have built and deployed.

You can also connect several KIE Servers to the same Business Central instance and group them into different server configurations (in Menu Deploy Execution Servers). Servers belonging to the same server configuration run the same services, but you can deploy different projects or different versions of projects on different configurations.

For example, you could have test servers in the Test configuration and production servers in a Production configuration. As you develop business assets and services in a project, you deploy the project on the Test server configuration and then, when a version of the project is sufficiently tested, you can deploy it on the Production server configuration. In this case, to keep developing the project, change the version in the project settings. Then the new version and the old version are seen as different artifacts in the built-in Maven repository. You can deploy the new version on the Test server configuration and keep running the old version on the Production server configuration. This deployment process is simple but has significant limitations. Notably, there is not enough access control: a developer can deploy a project directly into a production environment.

重要

You cannot move a KIE Server into a different server configuration using Business Central. You must change the configuration file of the server to change the server configuration name for it.

2.1. Configuring KIE Server to connect to Business Central

警告

This section provides a sample setup that you can use for testing purposes. Some of the values are unsuitable for a production environment, and are marked as such.

If a KIE Server is not configured in your Red Hat Decision Manager environment, or if you require additional KIE Servers in your Red Hat Decision Manager environment, you must configure a KIE Server to connect to Business Central.

注記

If you are deploying KIE Server on Red Hat OpenShift Container Platform, see the Deploying a Red Hat Decision Manager environment on Red Hat OpenShift Container Platform 4 using Operators document for instructions about configuring it to connect to Business Central.

Prerequisites

  • Business Central and KIE Server are installed in the base directory of the Red Hat JBoss EAP installation (EAP_HOME).
注記

You must install Business Central and KIE Server on different servers in production environments. In this sample situation, we use only one user named controllerUser, containing both rest-all and the kie-server roles. However, if you install KIE Server and Business Central on the same server, for example in a development environment, make the changes in the shared standalone-full.xml file as described in this section.

  • Users with the following roles exist:

    • In Business Central, a user with the role rest-all
    • On the KIE Server, a user with the role kie-server

Procedure

  1. In your Red Hat Decision Manager installation directory, navigate to the standalone-full.xml file. For example, if you use a Red Hat JBoss EAP installation for Red Hat Decision Manager, go to $EAP_HOME/standalone/configuration/standalone-full.xml.
  2. Open the standalone-full.xml file and under the <system-properties> tag, set the following JVM properties:

    Expand
    表2.1 JVM Properties for the managed KIE Server instance
    PropertyValueNote

    org.kie.server.id

    default-kie-server

    The KIE Server ID.

    org.kie.server.controller

    http://localhost:8080/decision-central/rest/controller

    The location of Business Central. The URL for connecting to the API of Business Central.

    org.kie.server.controller.user

    controllerUser

    The user name with the role rest-all who can log in to the Business Central.

    org.kie.server.controller.pwd

    controllerUser1234;

    The password of the user who can log in to the Business Central.

    org.kie.server.location

    http://localhost:8080/kie-server/services/rest/server

    The location of the KIE Server. The URL for connecting to the API of KIE Server.

    Expand
    表2.2 JVM Properties for the Business Central instance
    PropertyValueNote

    org.kie.server.user

    controllerUser

    The user name with the role kie-server.

    org.kie.server.pwd

    controllerUser1234;

    The password of the user.

    The following example shows how to configure a KIE Server instance:

    <property name="org.kie.server.id" value="default-kie-server"/>
    <property name="org.kie.server.controller" value="http://localhost:8080/decision-central/rest/controller"/>
    <property name="org.kie.server.controller.user" value="controllerUser"/>
    <property name="org.kie.server.controller.pwd" value="controllerUser1234;"/>
    <property name="org.kie.server.location" value="http://localhost:8080/kie-server/services/rest/server"/>

    The following example shows how to configure a for Business Central instance:

    <property name="org.kie.server.user" value="controllerUser"/>
    <property name="org.kie.server.pwd" value="controllerUser1234;"/>
  3. To verify that KIE Server starts successfully, send a GET request to http://SERVER:PORT/kie-server/services/rest/server/ when KIE Server is running. For more information about running Red Hat Decision Manager on KIE Server, see Running Red Hat Decision Manager.

    After successful authentication, you receive an XML response similar to the following example:

    <response type="SUCCESS" msg="Kie Server info">
        <kie-server-info>
            <capabilities>KieServer</capabilities>
            <capabilities>BRM</capabilities>
            <capabilities>BPM</capabilities>
            <capabilities>CaseMgmt</capabilities>
            <capabilities>BPM-UI</capabilities>
            <capabilities>BRP</capabilities>
            <capabilities>DMN</capabilities>
            <capabilities>Swagger</capabilities>
            <location>http://localhost:8230/kie-server/services/rest/server</location>
            <messages>
                <content>Server KieServerInfo{serverId='first-kie-server', version='7.5.1.Final-redhat-1', location='http://localhost:8230/kie-server/services/rest/server', capabilities=[KieServer, BRM, BPM, CaseMgmt, BPM-UI, BRP, DMN, Swagger]}started successfully at Mon Feb 05 15:44:35 AEST 2018</content>
                <severity>INFO</severity>
                <timestamp>2018-02-05T15:44:35.355+10:00</timestamp>
            </messages>
            <name>first-kie-server</name>
            <id>first-kie-server</id>
            <version>7.5.1.Final-redhat-1</version>
        </kie-server-info>
    </response>
  4. Verify successful registration:

    1. Log in to Business Central.
    2. Click Menu Deploy Execution Servers.

      If registration is successful, you will see the registered server ID.

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