Adding curl to livy-spark image

[manjiler]

This example list under [https://github.com/JahstreetOrg/spark-on-kubernetes-helm]
does not work because curl is not present in image.

kubectl exec --namespace livy livy-0 -- \
    curl -s -k -H 'Content-Type: application/json' -X POST \
      -d '{
            "name": "SparkPi-01",
            "className": "org.apache.spark.examples.SparkPi",
            "numExecutors": 2,
            "file": "local:///opt/spark/examples/jars/spark-examples_2.11-2.4.5.jar",
            "args": ["10000"],
            "conf": {
                "spark.kubernetes.namespace": "livy"
            }
          }' "http://localhost:8998/batches" | jq

[jahstreet]

Awesome catch, thanks. We should also bump the image version and then merge. 👍

[manjiler]

@jahstreet is this image version 3.2.0 in "0.8.0-incubating-spark_3.0.1_2.12-hadoop_3.2.0_cloud"... ?
this becomes "3.3.0"?

[jahstreet]

Ahh, good question, 🤦 the versioning is not straightforward here. Please ignore it, I'll need to rethink the versioning later.