Node Classifier Rules

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Rules Endpoint

POST /v1/rules/translate

Translate a group’s rule condition into PuppetDB query syntax.

Request Format

The request’s body should contain a rule condition as it would appear in the rule field of a group object. See the documentation on rule grammar for a complete description of how these conditions can be structured.

Response Format

The response is a PuppetDB query string that can be used with PuppetDB’s nodes endpoint in order to see which nodes would satisfy the rule condition (i.e., would be classified into a group with that rule).

Error Responses

Rules that use structured or trusted facts cannot be converted into PuppetDB queries, because PuppetDB does not yet support structured or trusted facts. If the rule cannot be translated into a PuppetDB query, the server will return a 422 Unprocessable Entity response containing the usual JSON error object. The error object will have a kind of “untranslatable-rule”, a msg that describes why the rule cannot be translated, and contain the received rule in details.

If the request does not contain a valid rule, the server will return a 400 Bad Request response with the usual JSON error object. If the rule was not valid JSON, the error’s kind will be “malformed-request”, the msg will state that the request’s body could not be parsed as JSON, and the details will contain the request’s body as received by the server.

If the rule does not conform to the rule grammar, the kind key will be “schema-violation, and the details key will be an object with submitted, schema, and error keys which respectively describe the submitted object, the schema that object should conform to, and how the submitted object failed to conform to the schema.

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