Making Changes in the Node Classifier

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Editing Node Groups

You can change the following node group details:

  • the name of the node group
  • the environment that the node group assigns to matching nodes
  • the This is an environment group setting
  • the node group’s parent node group
  • the description of the node group

To edit a node group:

  1. Click Nodes > Classification.
  2. To go to the node group details, click the node group that you want to edit.
  3. At the top right of the page, click Edit node group metadata.
  4. When you are ready to commit changes, click the commit button.

Deleting Node Groups

To delete a node group:

  1. Click Nodes > Classification.

  2. Click the node group that you want to delete.

  3. At the top right of the page, click Remove node group.

    Note: A node group can only be deleted if it has no children.

Editing Rules

To edit an existing rule:

  1. Click Nodes > Classification.

  2. Click the node group containing the rule that you want to edit.

  3. In the Rules tab, find the rule that you want to edit.

  4. In the row for that rule, click Edit and make the changes.

  5. When you are ready to commit changes, click the commit button.

Removing Nodes From a Node Group

Nodes are automatically removed from a node group when they no longer match the rules that have been declared in the node group. You need to either edit or delete the rule that was used to include the node in the node group. If the node has been pinned to the node group, you can remove it from the node group by unpinning it.

To delete a rule:

  1. Click Nodes > Classification.

  2. Click the node group containing the rule that you want to edit.

  3. In the Rules tab, find the rule that you want to edit.

  4. To delete the rule, click Remove.

    You can also click Remove all if you want to delete all rules for this node group. The rule stays in the list with a line through it until you commit your changes.

  5. When you are ready to commit changes, click the commit button.

    Note: When a node no longer matches the rules of a node group, it is no longer classified with the classes assigned in that node group. However, the resources that were installed by those classes are not removed from the node. For example, if a node group has the apache class that installs the Apache package on matching nodes, the Apache package is not removed from the node even when the node no longer matches the node group rules.

To unpin a node:

  1. In the Rules tab, find the node that you want to unpin. You will find the pinned nodes under the list of rules.

  2. To unpin the node, click Unpin.

    You can also unpin all pinned nodes by clicking Unpin all pinned nodes. The node stays in the list with a line through it until you commit your changes.

  3. When you are ready to commit changes, click the commit button.

Removing Classes From a Node Group

To remove a class from a node group:

  1. Click Nodes > Classification.

  2. Click the node group containing the class that you want to remove.

  3. In the Classes tab, find the class that you want to remove.

  4. To remove the class, at the bottom of the list of parameters, click Remove this class.

    You can also click Remove all classes if you want to remove all classes for this node group. The class stays in the list with a line through it until you commit your changes.

  5. When you are ready to commit changes, click the commit button.

Note: If a class appears in the list but is crossed out, the class has been deleted from Puppet.

Editing Parameters

To edit the parameters of a class:

  1. Click Nodes > Classification.

  2. Click the node group containing the parameter that you want to change.

  3. In the Classes tab, find the class and parameter.

  4. To edit the parameter, click Edit and select another parameter or change the value of the parameter.

  5. When you are ready to commit changes, click the commit button.

Deleting Parameters

To delete a parameter that has been set for a class:

  1. Click Nodes > Classification.

  2. Click the node group containing the parameter that you want to delete.

  3. In the Classes tab, find the class and parameter.

  4. To delete the parameter, click Remove. The parameter stays in the list with a line through it until you commit your changes.

  5. When you are ready to commit changes, click the commit button.

Editing Variables

To edit a variable that has been set in a node group:

  1. Click Nodes > Classification.

  2. Click the node group containing the variable that you want to change.

  3. In the Variables tab, find the variable.

  4. To edit the variable, click Edit and make your changes.

  5. When you are ready to commit changes, click the commit button.

Deleting Variables

To delete a variable that has been set in a node group:

  1. Click Nodes > Classification.

  2. Click the node group containing the variable that you want to change.

  3. In the Variables tab, find the variable.

  4. To delete the variable, click Remove.

    You can also click Remove all variables if you want to remove all variables for this node group.The variable stays in the list with a line through it until you commit your changes.

  5. When you are ready to commit changes, click the commit button.


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