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Assigning Policies to Nodes or Node Groups

News HP HPOM Policies Recommended Links Reference Version Management Comparing Policies
Creating and Uploading Policies Listing policies installed on the node Removal of policies Assigning Policies Deploying Policies How to find out which policies are associated with the particular node
Policy Groups Default Policy Groups node groups Layout groups Message groups Policy Files Naming Conventions
Troubleshooting Event Correlation Actions History Humor Etc

Policies can be assigned to nodes, node groups, and policy groups.

You can assign policies and policy groups to managed nodes and node groups by using the opcnode command-line tool. The process of assigning a policy group to a node is the same as the process you use to assign a single policy. All nodes within a node group automatically inherit the policies and policy groups assigned to the node group. This inheritance simplifies assigning policies to new nodes. For example, you can assign a policy group to a node group by using the following command: 

opcnode -assign_pol_group pol_group=
group_name=<node_group_name>
In this command, is the name of the specified policy group and <node_group_name> is the name of the node group. For more information, see the opcnode(1M) manpage.

NOTE HPOM assigns and distributes policies individually. If only one policy in a policy group is changed, HPOM redistributes only the changed policy. If a policy is assigned several times to the same node through different policy groups, the policy is distributed and handled only once on the managed node. While policies are being modified, they are locked and cannot be distributed. You can verify the status of policies, and their assignment to managed nodes, by generating a report. For details about available reports, see the HPOM Administrator’s Reference.

After you have configured policies and policy groups, you need to determine which node or node groups should receive the new policies. You can assign policies to nodes or node groups by using the opcnode command-line tool. Or you can assign policy groups to nodes or node groups where the message interception should be performed. Then you can distribute the new configuration.

Policies can be assigned to policy groups using the opcpolicy command and to managed nodes using the opcnode command, as follows:

You can list policy types by using the opcpoltype -list command.

To remove policy assignments, use the following options:

To list the contents of a policy group, use the opcpolicy command as follows:

# opcpolicy -list_group pol_group=<policy_group_name>

To retrieve a list of policies assigned to a managed node, use the opcnode command as follows: # opcnode -list_ass_pol node_name=<node_name> \ <net_type>=<node_network_type>

Example of assigning a policy to a policy group: opcpolicy -add_to_group pol_name="Test policy" \ pol_type=Logfile_Entry version=1.0 pol_group="Test group"

Example of assigning a policy to a managed node: opcnode -assign_pol pol_name="Measurement policy" \ pol_type=Measurement_Threshold version=1.2 \ node_name=remote.hp.com net_type=NETWORK_IP

For more information about the parameters and options available with the opcpolicy and opcnode commands, refer to the opcpolicy (1M) and opcnode (1M) reference pages.

Updating Policy Assignments

Policies can be assigned to nodes, node groups, and policy groups. A basic difference between HPOM 8.xx and HPOM 9.0x is that the modification of the policy leads to a new policy version in HPOM 9.0x, while in HPOM8.xx the existing policy is overwritten.

This also means that the existing assignments point to the older policy version, and not to them modified one. Therefore, the assignments must be updated.

The updateof the assignments can be done automatically. HPOM 9.0x introduces three assignment modes, namely FIX, LATEST, and MINOR_TO_LATEST.

You can specify the assignment mode by using the opcpolicy and opcnode command line utilities.

Refer to the opcpolicy (1M) and opcnode(1m) reference pages for usage details.

Assigning Policies

Policies can be assigned:

You can list policy types by using the opcpoltype -list command.

To remove policy assignments, use the following options:• opcpolicy -del_from_group• opcnode -deassign_pol

To list the contents of a policy group, use the opcpolicy command asfollows:# opcpolicy -list_group pol_group=<policy_group_name>

To retrieve a list of policies assigned to a managed node, use the opcnodecommand as follows:#

opcnode -list_ass_pol node_name=<node_name> \ <net_type>=<node_network_type>Example of assigning a policy to a policy group:opcpolicy -add_to_group pol_name="Test policy" \pol_type=Logfile_Entry version=1.0 pol_group="Test group"Example of assigning a policy to a managed node:

opcnode -assign_pol pol_name="Measurement policy" \pol_type=Measurement_Threshold version=1.2 \node_name=remote.hp.com net_type=NETWORK_IPFor more information about the parameters and options available withthe opcpolicy and opcnode commands, refer to the opcpolicy (1M) andopcnode (1M) reference pages.

 

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Last modified: March 12, 2019