Sun Java System Access Manager Policy Agent 2.2 Guide for IBM WebSphere Portal Server 5.1.0.2

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Using the Installation Program of Agent for IBM WebSphere Portal Server 5.1.0.2

Note –

When installing Agent for IBM WebSphere Portal Server 5.1.0.2, you must run the agent installation program on every instance of the underlying IBM WebSphere Application Server. Typically, this includes two instances: the default instance, often named server1, and the IBM WebSphere Portal Server instance, often named WebSphere_Portal. This type of deployment is necessary since the security configuration in IBM WebSphere Application Server has global scope and cannot be performed independently for any particular instance of the server.

After you issue the agentadmin command and accept the license agreement (if necessary) the installation program appears, prompting you for information.

The steps in the installation program are displayed in this section in an example interaction. Your answers to prompts can differ slightly or greatly from this example depending upon your site's specific deployment. In the example, most of the defaults have been accepted. This example is provided for your reference and does not necessarily indicate the precise information you should enter.

The following bulleted list provides key points about the installation program.

Each step in the installation program includes an explanation that is followed by a more succinct prompt.
For most of the steps you can type any of the following characters to get the results described:

?

Type the question mark to display Help information for that specific step.

<

Type the left arrow symbol to go back to the previous interaction.

!

Type the exclamation point to exit the program.
Most of the steps provide a default value that can be accepted or replaced. If a default value is correct for your site, accept it. If it is not correct, enter the correct value.

About Installation Prompts in Agent for IBM WebSphere Portal Server 5.1.0.2

The following list provides information about specific prompts in the installation. Often the prompt is self explanatory. However, at other times you might find the extra information presented here to be very helpful. This extra information is often not obvious. Study this section carefully before issuing the agentadmin --install command.

The Deployment URI for the Agent Application

The deployment URI for the agent application is required for the agent to perform necessary housekeeping tasks such as registering policy and session notifications, legacy browser support, and CDSSO support. Accept /agentapp as the default value for this interaction. Once the installation is completed, browse the directory PolicyAgent-base/etc. Use the agentapp.war file to deploy the agent application in the application container. Please note that the deployment URI for agent application during install time should match the deployment URI for the same application when deployed in the J2EE container.

The Encryption Key

This key is used to encrypt sensitive information such the passwords. The key should be at least 12 characters long. A key is generated randomly and provided as the default. You can accept the random key generated by the installer or create one using the .agentadmin --getEncryptKey command.

For information about creating a new encryption key, see agentadmin --getEncryptKey.

The Agent Profile Name

An agent profile should have been created as a pre-installation step. The creation of the agent profile is mentioned in that section. For the pre-installation steps, see Preparing to Install Agent for IBM WebSphere Portal Server 5.1.0.2. For the actual information on creating an agent profile, see Creating a J2EE Agent Profile.

In summary, the J2EE agent communicates with Access Manager with a specific ID and password created through an agent profile using Access Manager Console. For J2EE agents, the creation of an agent profile is mandatory. Access Manager uses the agent profile to authenticate an agent. This is part of the security infrastructure.

The J2EE Password File

The J2EE password file should have been created as a pre-installation step. For the pre-installation steps, see Preparing to Install Agent for IBM WebSphere Portal Server 5.1.0.2.

When the installation program prompts you for the password for the agent, enter the fully qualified path to this password file.

After you have completed all the steps, a summary of your responses appears followed by options that allow you to navigate through those responses to accept or reject them.

When the summary appears, note the agent instance name, such as agent-001. You might be prompted for this name during the configuration process.

About the options, the default option is 1, Continue with Installation.

If you are satisfied with the summary, choose 1 (the default).
If you want to edit input from the last interaction, choose 2.
If you want to edit input starting at the beginning of the installation program, choose 3.
If you want to exit the installation program without installing, choose 4.

You can edit your responses as necessary, return to the options list, and choose option 1 to finally process your responses.

Example of Installation Program Interaction in Agent for IBM WebSphere Portal Server 5.1.0.2

The following example is a sample installation snapshot of Policy Agent 2.2 for IBM WebSphere Portal Server 5.1.0.2. By no means does this sample represent a real deployment scenario.

The section following this example, Implications of Specific Deployment Scenarios in Agent for IBM WebSphere Portal Server 5.1.0.2, explains specific deployment scenarios, such as installing the agent on multiple IBM WebSphere Portal Server 5.1.0.2 instances. If any of these deployment scenarios apply to your site's deployment, you might be required to respond to prompts in a specified manner during the installation as explained in that section. Review the explanations in that section before proceeding with the installation. Those explanations are divided into subsections as follows:

Note –

You must install the agent on every instance of the underlying IBM WebSphere Application Server.

The following interaction example demonstrates the installation of Agent for IBM WebSphere Portal Server 5.1.0.2, where WebSphereServer-instance-name represents the WebSphere Server instance name. The default instance is often named server1 and the IBM WebSphere Portal Server instance is often named WebSphere_Portal.

************************************************************************
Welcome to the Access Manager Policy Agent for IBM WebSphere Portal Server
5.1.0.2 Agent. If the Policy Agent is used with Federation Manager services,
User needs to enter information relevant to Federation Manager.

************************************************************************

Enter the fully qualified path to the configuration directory of the Server
Instance for the WebSphere node. Please ensure that the installer is run on
the WebSphere instance that will host the WebSphere Administration Console
first before the installer is run on the WebSphere Portal instance.
[ ? : Help, ! : Exit ]
Enter the Instance Config Directory
[/opt/WebSphere/AppServer/config/cells/wpshost/nodes/wpshost/servers/WebSphereServer-instance-name]:

Enter the Server/Portal Instance name.
[ ? : Help, < : Back, ! : Exit ]
Enter the Server/Portal Instance name [WebSphereServer-instance-name]:

Enter the WebSphere Install Root directory.
[ ? : Help, < : Back, ! : Exit ]
Enter the WebSphere Install Root directory [/opt/WebSphere/AppServer]:

Enter the fully qualified host name of the server where Access Manager
Services are installed.
[ ? : Help, < : Back, ! : Exit ]
Access Manager Services Host: amhost.example.com

Enter the port number of the Server that runs Access Manager Services.
[ ? : Help, < : Back, ! : Exit ]
Access Manager Services port [80]:

Enter http/https to specify the protocol used by the Server that runs Access
Manager services.
[ ? : Help, < : Back, ! : Exit ]
Access Manager Services Protocol [http]:

Enter the Deployment URI for Access Manager Services.
[ ? : Help, < : Back, ! : Exit ]
Access Manager Services Deployment URI [/amserver]:

Enter the fully qualified host name on which the Application Server
protected by the agent is installed.
[ ? : Help, < : Back, ! : Exit ]
Enter the Agent Host name: wpshost.example.com

Enter the preferred port number on which the application server provides its
services.
[ ? : Help, < : Back, ! : Exit ]
Enter the port number for Application Server instance [80]:

Select http or https to specify the protocol used by the Application server
instance that will be protected by Access Manager Policy Agent.
[ ? : Help, < : Back, ! : Exit ]
Enter the Preferred Protocol for Application Server instance [http]:

Enter the deployment URI for the Agent Application. This Application is used
by the agent for internal housekeeping.
[ ? : Help, < : Back, ! : Exit ]
Enter the Deployment URI for the Agent Application [/agentapp]:

Enter a valid Encryption Key.
[ ? : Help, < : Back, ! : Exit ]
Enter the Encryption Key [r2s+z4TxPsSwBLe/FbncKrwzVudy+nU5]:

Enter a valid Agent profile name. Before proceeding with the agent
installation, please ensure that a valid Agent profile exists in Access
Manager.
[ ? : Help, < : Back, ! : Exit ]
Enter the Agent Profile name: wpsagent

Enter the path to a file that contains the password to be used for identifying
the Agent.
[ ? : Help, < : Back, ! : Exit ]
Enter the path to the password file: /tmp/password.txt

Enter true if the Agent is being installed on the same instance of Application
Server on which Access Manager is deployed. Enter false if that is not the
case.
[ ? : Help, < : Back, ! : Exit ]
Are the Agent and Access Manager installed on the same instance of
Application Server ? [false]:

-----------------------------------------------
SUMMARY OF YOUR RESPONSES
-----------------------------------------------
Instance Config Directory :
/opt/WebSphere/AppServer/config/cells/wpshost/nodes/wpshost/servers/WebSphereServer-instance-name

Instance Server/Portal name : WebSphereServer-instance-name
WebSphere Install Root Directory : /opt/WebSphere/AppServer

Access Manager Services Host : amhost.example.com
Access Manager Services Port : 80
Access Manager Services Protocol : http
Access Manager Services Deployment URI : /amserver
Agent Host name : wpshost.example.com
Application Server Instance Port number : 80
Protocol for Application Server instance : http
Deployment URI for the Agent Application : /agentapp
Encryption Key : r2s+z4TxPsSwBLe/FbncKrwzVudy+nU5
Agent Profile name : wpsagent
Agent Profile Password file name : /tmp/password.txt
Agent and Access Manager on same application server instance : false

Verify your settings above and decide from the choices below.
1. Continue with Installation
2. Back to the last interaction
3. Start Over
4. Exit
Please make your selection [1]:

Copy agent.jar,amclientsdk.jar to
/opt/WebSphere/AppServer/lib/ext...DONE.

Creating directory layout and configuring AMAgent.properties file for
agent_001 instance ...DONE.

Reading data from file /tmp/password.txt and encrypting it ...DONE.

Generating audit log file name ...DONE.

Creating tag swapped AMAgent.properties file for instance agent_001 ...DONE.

Creating a backup for file
/opt/WebSphere/AppServer/config/cells/wpshost/nodes/wpshost/servers/WebSphereServer-instance-name/server.xml
...DONE.

Configure server.xml file
/opt/WebSphere/AppServer/config/cells/wpshost/nodes/wpshost/servers/WebSphereServer-instance-name/server.xml...DONE.

SUMMARY OF AGENT INSTALLATION
-----------------------------
Agent instance name: agent_001
Agent Configuration file location:
/opt/j2ee_agents/am_wps_agent/agent_001/config/AMAgent.properties
Agent Audit directory location:
/opt/j2ee_agents/am_wps_agent/agent_001/logs/audit
Agent Debug directory location:
/opt/j2ee_agents/am_wps_agent/agent_001/logs/debug

Install log file location:
/opt/j2ee_agents/am_wps_agent/logs/audit/install.log

Thank you for using Access Manager Policy Agent

Implications of Specific Deployment Scenarios in Agent for IBM WebSphere Portal Server 5.1.0.2

The following sections refer to specific deployment scenarios involving Policy Agent 2.2 for IBM WebSphere Portal Server 5.1.0.2. These scenarios are likely to affect how you respond to prompts during the installation process. You might also be required to perform additional configurations.

Installing a J2EE Agent on Multiple IBM WebSphere Portal Server 5.1.0.2 Instances

Once a J2EE agent is installed for a particular IBM WebSphere Portal Server 5.1.0.2 instance, you can install the agent on another instance on the same machine by running the agentadmin --install command. Once prompted to enter the appropriate server instance name, enter the server configuration directory and unique instance name that will enable the agent to distinguish the first instance from consecutive instances.

Installing Agent for IBM WebSphere Portal Server 5.1.0.2 on the Access Manager Host

If a J2EE agent and Access Manager are collocated on the same container, enter true for the following question:

Enter true if the Agent is being installed on the same instance of Application
Server on which Access Manager is deployed. Enter false if that is not the
case.
[ ? : Help, < : Back, ! : Exit ]
Are the Agent and Access Manager installed on the same instance of
Application Server ? [false]: true

In this case, the agentadmin program will make the necessary changes to install and configure the agent on the same IBM WebSphere Portal Server 5.1.0.2 instance that hosts Access Manager.

However, this deployment scenario changes the agent configuration in a manner that requires your attention. For details, see Combining J2EE Agents With Access Manager.

Summary of a J2EE Agent Installation in Policy Agent 2.2

At the end of the installation process, the installation program prints the status of the installation along with the installed J2EE agent information. The information that the program displays can be very useful. For example, the program displays the agent instance name, which is required when configuring a remote instance. The program also displays the location of specific files, which can be of great importance. In fact, you might want to view the installation log file once the installation is complete, before performing the post-installation steps as described in Chapter 4, Post-Installation Tasks of Policy Agent 2.2 for IBM WebSphere Portal Server 5.1.0.2.

The location of directories displayed by the installer are specific. However, throughout this guide and specifically in Summary of Agent Installation shown in this section, PolicyAgent-base is used to describe the directory where the distribution files are stored for a specific J2EE agent.

The following example serves as a quick description of the location of the J2EE agent base directory (PolicyAgent-base) of Policy Agent 2.2 for IBM WebSphere Portal Server 5.1.0.2.

Example 3–5 Policy Agent Base Directory of Agent for IBM WebSphere Portal Server 5.1.0.2

The following directory represents PolicyAgent-base of Agent for IBM WebSphere Portal Server 5.1.0.2:

Agent-HomeDirectory/j2ee_agents/am_wps_agent

where Agent-HomeDirectory is the directory you choose in which to unpack the J2EE agent binaries.

Information regarding the location of the J2EE agent base directory is explained in detail in Location of the J2EE Agent Base Directory in Policy Agent 2.2.

The following type of information is printed by the installer:

SUMMARY OF AGENT INSTALLATION
-----------------------------
Agent instance name: agent_001
Agent Configuration file location:
PolicyAgent-base/agent_001/config/AMAgent.properties
Agent Audit directory location:
PolicyAgent-base/agent_001/logs/audit
Agent Debug directory location:
PolicyAgent-base/agent_001/logs/debug

Install log file location:
PolicyAgent-base/logs/audit/install.log

Thank you for using Access Manager Policy Agent

Once the agent is installed, the directories shown in the preceding example are created in the agent_00x directory, which for this example is specifically agent_001. Those directories and files are briefly described in the following paragraphs.

PolicyAgent-base/agent_001/config/AMAgent.properties

Location of the J2EE agent AMAgent.properties configuration file for the agent instance. Every instance of a J2EE agent has a unique copy of this file. You can configure this file to meet your site's requirements. For more information, see the following sections:

PolicyAgent-base/agent_001/logs/audit

Location of the J2EE agent local audit trail.

PolicyAgent-base/agent_001/logs/debug

Location of all debug files required to debug an agent installation or configuration issue.

PolicyAgent-base/logs/audit/install.log

Location of the file that has the agent install file location. If the installation failed for any reason, you can look at this file to diagnose the issue.