[GitHub] [hadoop] elek commented on a change in pull request #869: HDDS-1607. Create smoketest for non-secure mapreduce example

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elek commented on a change in pull request #869: HDDS-1607. Create smoketest for non-secure mapreduce example
URL: https://github.com/apache/hadoop/pull/869#discussion_r288957788
 
 

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 File path: hadoop-ozone/dist/src/main/compose/ozone-mr/docker-compose.yaml
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 @@ -0,0 +1,95 @@
+# 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.
+
+version: "3"
+services:
+  datanode:
+    image: apache/hadoop-runner
+    volumes:
+      - ../..:/opt/hadoop
+    ports:
+      - 9864
+    command: ["/opt/hadoop/bin/ozone","datanode"]
+    env_file:
+      - docker-config
+  om:
+    image: apache/hadoop-runner
+    hostname: om
+    volumes:
+      - ../..:/opt/hadoop
+    ports:
+      - 9874:9874
+    environment:
+      WAITFOR: scm:9876
+      ENSURE_OM_INITIALIZED: /data/metadata/om/current/VERSION
+    env_file:
+      - docker-config
+    command: ["/opt/hadoop/bin/ozone","om"]
+  s3g:
+    image: apache/hadoop-runner
+    hostname: s3g
+    volumes:
+      - ../..:/opt/hadoop
+    ports:
+      - 9878:9878
+    env_file:
+      - ./docker-config
+    command: ["/opt/hadoop/bin/ozone","s3g"]
+  scm:
+    image: apache/hadoop-runner:latest
+    hostname: scm
+    volumes:
+      - ../..:/opt/hadoop
+    ports:
+      - 9876:9876
+    env_file:
+      - docker-config
+    environment:
+      ENSURE_SCM_INITIALIZED: /data/metadata/scm/current/VERSION
+    command: ["/opt/hadoop/bin/ozone","scm"]
+  rm:
+    image: ${HADOOP_IMAGE}:${HADOOP_VERSION}
+    hostname: rm
+    volumes:
+      - ../..:/opt/ozone
+    ports:
+      - 8088:8088
+    env_file:
+      - ./docker-config
+    environment:
+      HADOOP_CLASSPATH: /opt/ozone/share/ozone/lib/hadoop-ozone-filesystem-lib-current-0.5.0-SNAPSHOT.jar
+    command: ["yarn", "resourcemanager"]
+  nm:
+    image: ${HADOOP_IMAGE}:${HADOOP_VERSION}
+    hostname: nm
+    volumes:
+      - ../..:/opt/ozone
+    env_file:
+      - ./docker-config
+    environment:
+      HADOOP_CLASSPATH: /opt/ozone/share/ozone/lib/hadoop-ozone-filesystem-lib-current-0.5.0-SNAPSHOT.jar
+      WAIT_FOR: rm:8088
+    command: ["yarn","nodemanager"]
+  dns:
 
 Review comment:
   My biggest problem was the usage of the yarn ui because it uses internal DNS. If you open localhost:8088 (yarn ui) and click to the logs it redirects you to an internal dns (one of the nm ui)
   
   With using this internal DNS server you can add 127.0.0.1 to your resolve.conf and access all the containers based on the internal names (at least on linux).
   
   I am fine with removing it, but it can be convenient to use it (Or I can comment it out to make it optional).

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