[GitHub] [hadoop] hadoop-yetus commented on a change in pull request #894: HDDS-1635. Maintain docker entrypoint and envtoconf inside ozone project

[GitBox <gi...@apache.org>]

hadoop-yetus commented on a change in pull request #894: HDDS-1635. Maintain docker entrypoint and envtoconf inside ozone project
URL: https://github.com/apache/hadoop/pull/894#discussion_r289825860
 
 

 ##########
 File path: hadoop-ozone/dist/src/main/dockerbin/entrypoint.sh
 ##########
 @@ -0,0 +1,138 @@
+#!/usr/bin/env bash
+##
+# 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.
+##
+set -e
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+if [ -n "$SLEEP_SECONDS" ]; then
+   echo "Sleeping for $SLEEP_SECONDS seconds"
+   sleep $SLEEP_SECONDS
+fi
+
+#
+# You can wait for an other TCP port with these settings.
+#
+# Example:
+#
+# export WAITFOR=localhost:9878
+#
+# With an optional parameter, you can also set the maximum
+# time of waiting with (in seconds) with WAITFOR_TIMEOUT.
+# (The default is 300 seconds / 5 minutes.)
+if [ ! -z "$WAITFOR" ]; then
+  echo "Waiting for the service $WAITFOR"
+  WAITFOR_HOST=$(printf "%s\n" "$WAITFOR"| cut -d : -f 1)
+  WAITFOR_PORT=$(printf "%s\n" "$WAITFOR"| cut -d : -f 2)
+  for i in `seq ${WAITFOR_TIMEOUT:-300} -1 0` ; do
+    set +e
+    nc -z "$WAITFOR_HOST" "$WAITFOR_PORT" > /dev/null 2>&1
+    result=$?
+    set -e
+    if [ $result -eq 0 ] ; then
+      break
+    fi
+    sleep 1
+  done
+  if [ "$i" -eq 0 ]; then
+     echo "Waiting for service $WAITFOR is timed out." >&2
+     exit 1
+  f
+  fi
+fi
+
+if [ -n "$KERBEROS_ENABLED" ]; then
+  echo "Setting up kerberos!!"
+  KERBEROS_SERVER=${KERBEROS_SERVER:-krb5}
+  ISSUER_SERVER=${ISSUER_SERVER:-$KERBEROS_SERVER\:8081}
+  echo "KDC ISSUER_SERVER => $ISSUER_SERVER"
+
+  if [ -n "$SLEEP_SECONDS" ]; then
+    echo "Sleeping for $(SLEEP_SECONDS) seconds"
+    sleep "$SLEEP_SECONDS"
+  fi
+
+  if [ -z "$KEYTAB_DIR" ]; then
+    KEYTAB_DIR='/etc/security/keytabs'
+  fi
+  while true
+    do
+      set +e
+      STATUS=$(curl -s -o /dev/null -w '%{http_code}' http://"$ISSUER_SERVER"/keytab/test/test)
+      set -e
+      if [ "$STATUS" -eq 200 ]; then
+        echo "Got 200, KDC service ready!!"
+        break
+      else
+        echo "Got $STATUS :( KDC service not ready yet..."
+      fi
+      sleep 5
+    done
+
+    HOST_NAME=$(hostname -f)
+    export HOST_NAME
+    for NAME in ${KERBEROS_KEYTABS}; do
+      echo "Download $NAME/$HOSTNAME@EXAMPLE.COM keytab file to $KEYTAB_DIR/$NAME.keytab"
+      wget "http://$ISSUER_SERVER/keytab/$HOST_NAME/$NAME" -O "$KEYTAB_DIR/$NAME.keytab"
+      klist -kt "$KEYTAB_DIR/$NAME.keytab"
+      KERBEROS_ENABLED=true
+    done
+
+    #Optional: let's try to adjust the krb5.conf
+    sudo sed -i "s/krb5/$KERBEROS_SERVER/g" "/etc/krb5.conf" || true
+fi
+
+"$DIR"/envtoconf.py --destination "${HADOOP_CONF_DIR:-/opt/hadoop/etc/hadoop}"
+
+if [ -n "$ENSURE_SCM_INITIALIZED" ]; then
+  if [ ! -f "$ENSURE_SCM_INITIALIZED" ]; then
+    # Improve om and scm start up options
+    /opt/hadoop/bin/ozone scm --init || /opt/hadoop/bin/ozone scm -init
+  fi
+fi
+
+if [ -n "$ENSURE_OM_INITIALIZED" ]; then
+  if [ ! -f "$ENSURE_OM_INITIALIZED" ]; then
+    # Improve om and scm start up options
+    /opt/hadoop/bin/ozone om --init ||  /opt/hadoop/bin/ozone om -createObjectStore
+  fi
+fi
+
+# Supports byteman script to instrument hadoop process with byteman script
+#
+#
+if [ -n "$BYTEMAN_SCRIPT" ] || [ -n "$BYTEMAN_SCRIPT_URL" ]; then
+
+  export PATH=$PATH:$BYTEMAN_DIR/bin
+
+  if [ ! -z "$BYTEMAN_SCRIPT_URL" ]; then
+    wget $BYTEMAN_SCRIPT_URL -O /tmp/byteman.btm
 
 Review comment:
   shellcheck:10: note: Double quote to prevent globbing and word splitting. [SC2086]
   

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: common-issues-help@hadoop.apache.org