AWS Glue job to connect to AWS ElasticSearch in VPC

import sys
from awsglue.transforms import *
from awsglue.utils import getResolvedOptions
from pyspark.context import SparkContext
from awsglue.context import GlueContext
from awsglue.job import Job
import json
import requests
from pyspark import sql
from uuid import UUID
from pyspark.sql.types import StringType, ArrayType
from pyspark.sql import functions as F

esNodes = "<ElasticSearch HTTPS endpoint>"
esResource = "<index>"

## @params: [JOB_NAME]
args = getResolvedOptions(sys.argv, ['JOB_NAME'])

sc = SparkContext()
glueContext = GlueContext(sc)
spark = glueContext.spark_session
job = Job(glueContext)
job.init(args['JOB_NAME'], args)

# Checking on the deploy mode, either client or cluster
sc.getConf().get("spark.submit.deployMode")

# AWS ElasticSearch in VPC uses self-signed certificate, 
#    thus require both es.net.ssl.cert.allow.self.signed and es.net.ssl to true
df = spark.read.format("org.elasticsearch.spark.sql")\
  .option("es.nodes",esNodes)\
  .option("es.port", 443)\
  .option("es.resource",esResource)\
  .option("es.nodes.wan.only", True)\
  .option("es.net.ssl.cert.allow.self.signed", "true")\
  .option("es.net.ssl", "true").load()

df.printSchema()

job.commit()