Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/20192#discussion_r160502356
--- Diff:
resource-managers/kubernetes/docker/src/main/dockerfiles/executor/Dockerfile ---
@@ -1,35 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-FROM spark-base
-
-# Before building the docker image, first build and make a Spark
distribution following
-# the instructions in
http://spark.apache.org/docs/latest/building-spark.html.
-# If this docker file is being used in the context of building your images
from a Spark
-# distribution, the docker build command should be invoked from the top
level directory
-# of the Spark distribution. E.g.:
-# docker build -t spark-executor:latest -f
kubernetes/dockerfiles/executor/Dockerfile .
-
-COPY examples /opt/spark/examples
-
-CMD SPARK_CLASSPATH="${SPARK_HOME}/jars/*" && \
- env | grep SPARK_JAVA_OPT_ | sed 's/[^=]*=\(.*\)/\1/g' >
/tmp/java_opts.txt && \
- readarray -t SPARK_EXECUTOR_JAVA_OPTS < /tmp/java_opts.txt && \
- if ! [ -z ${SPARK_MOUNTED_CLASSPATH}+x} ]; then
SPARK_CLASSPATH="$SPARK_MOUNTED_CLASSPATH:$SPARK_CLASSPATH"; fi && \
- if ! [ -z ${SPARK_EXECUTOR_EXTRA_CLASSPATH+x} ]; then
SPARK_CLASSPATH="$SPARK_EXECUTOR_EXTRA_CLASSPATH:$SPARK_CLASSPATH"; fi && \
--- End diff --
The difference is handled in the submission code; `SPARK_CLASSPATH` is set
to the appropriate value.
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