gistfile1.txt

import org.jenkinsci.plugins.pipeline.modeldefinition.shaded.com.fasterxml.jackson.databind.JsonNode
import org.jenkinsci.plugins.pipeline.modeldefinition.shaded.com.github.fge.jsonschema.main.JsonSchema
import org.jenkinsci.plugins.pipeline.modeldefinition.shaded.com.github.fge.jsonschema.main.JsonSchemaFactory
import org.jenkinsci.plugins.pipeline.modeldefinition.shaded.com.github.fge.jsonschema.util.JsonLoader

@NonCPS
def validate(payload) {
  def jsonString = libraryResource 'org/mozilla/fxtest/pulse-schema.json'
  JsonNode json = JsonLoader.fromString(jsonString)
  
  def factory = JsonSchemaFactory.byDefault()
  schema = factory.getJsonSchema(json);

  def mapper = new ObjectMapper()
  def instance = mapper.readTree(JsonOutput.toJson(payload))
  result = schema.validate(instance).isSuccess ? 'Success' : 'Failure'
  echo "$result validating Pulse payload against schema."
}