HDDS-1914. Ozonescript example docker-compose cluster can't be started

Signed-off-by: Anu Engineer <aengineer@apache.org>

hadoop-ozone/dist/src/main/compose/ozonescripts/.ssh/environment

@@ -13,4 +13,4 @@
 # 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.
-JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64/
+JAVA_HOME=/usr/lib/jvm/jre

hadoop-ozone/dist/src/main/compose/ozonescripts/Dockerfile

@@ -14,8 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 FROM apache/ozone-runner
-RUN sudo apt-get update && sudo apt-get install -y openssh-server
+RUN sudo yum install -y openssh-clients openssh-server
 
+RUN sudo ssh-keygen -A
 RUN sudo mkdir -p /run/sshd
 RUN sudo sed -i "s/.*UsePrivilegeSeparation.*/UsePrivilegeSeparation no/g" /etc/ssh/sshd_config
 RUN sudo sed -i "s/.*PermitUserEnvironment.*/PermitUserEnvironment yes/g" /etc/ssh/sshd_config
@@ -29,5 +30,5 @@ RUN sudo chown hadoop /opt
 RUN sudo chmod 600 /opt/.ssh/*
 RUN sudo chmod 700 /opt/.ssh
 
-RUN sudo sh -c 'echo "export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64/" >> /etc/profile'
+RUN sudo sh -c 'echo "export JAVA_HOME=/usr/lib/jvm/jre/" >> /etc/profile'
 CMD ["sudo","/usr/sbin/sshd","-D"]

hadoop-ozone/dist/src/main/compose/ozonescripts/docker-config

@@ -14,7 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64/
 CORE-SITE.XML_fs.defaultFS=hdfs://namenode:9000
 OZONE-SITE.XML_ozone.ksm.address=ksm
 OZONE-SITE.XML_ozone.scm.names=scm
@@ -37,4 +36,4 @@ LOG4J.PROPERTIES_log4j.rootLogger=INFO, stdout
 LOG4J.PROPERTIES_log4j.logger.org.apache.hadoop.util.NativeCodeLoader=ERROR, stdout
 LOG4J.PROPERTIES_log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 LOG4J.PROPERTIES_log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-LOG4J.PROPERTIES_log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
+LOG4J.PROPERTIES_log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

hadoop-ozone/dist/src/main/compose/ozonescripts/start.sh

@@ -14,7 +14,9 @@
 # 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.
+set -x
 docker-compose ps | grep datanode | awk '{print $1}' | xargs -n1  docker inspect --format '{{ .Config.Hostname }}' > ../../etc/hadoop/workers
+docker-compose ps | grep ozonescripts | awk '{print $1}' | xargs -I CONTAINER -n1 docker exec CONTAINER cp /opt/hadoop/etc/hadoop/workers /etc/hadoop/workers
 docker-compose exec scm /opt/hadoop/bin/ozone scm --init
 docker-compose exec scm /opt/hadoop/sbin/start-ozone.sh
 #We need a running SCM for om objectstore creation