Add a workaround for bug where Ambari setup silently fails to copy out

  mapreduce.tar.gz, pig.tar.gz, etc., into hdfs:///hdp/apps/...; with this fix
  Ambari should work out-of-the-box again.
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=94583118

CHANGES.txt

@@ -12,6 +12,9 @@
   6. Removed datastore-connector installation options and samples; the connector
      has been deprecated since February 17th, 2015. For alternatives see:
      https://groups.google.com/forum/#!topic/gcp-hadoop-announce/D3_OZuqn4_o
+  7. Added workaround for a bug where ambari_env.sh and ambari_manual_env.sh
+     would fail to copy mapreduce.tar.gz, pig.tar.gz, etc., into
+     hdfs:///hdp/apps/... during setup. Ambari should now work out-of-the-box.
 
 
 1.2.1 - 2015-05-05

platforms/hdp/install_ambari.sh

@@ -88,3 +88,20 @@ if [ "$(hostname)" = "${MASTER_HOSTNAME}" ]; then
   fi
   chkconfig ambari-server on
 fi
+
+# Workaround for issue between 2.2.0.0 and 2.2.4.2-X where hdp-select finds
+# 2.2.4.2-X but params.hdp_stack_version is 2.2.0.0, causing setup to silently
+# fail to copy all the component tarballs like mapreduce.tar.gz and pig.tar.gz
+# into hdfs:///hdp/apps/...
+AMBARI_FUNCTIONS_DIR='lib/resource_management/libraries/functions'
+SCRIPT_BAD_CONDITION=' or not out.startswith(params.hdp_stack_version)'
+AMBARI_LIB_BASE='/usr/lib/ambari-server'
+AMBARI_COPY_TARBALLS_SCRIPT="${AMBARI_LIB_BASE}/${AMBARI_FUNCTIONS_DIR}/dynamic_variable_interpretation.py"
+if [[ -e ${AMBARI_COPY_TARBALLS_SCRIPT} ]]; then
+  sed -i "s/${SCRIPT_BAD_CONDITION}//" ${AMBARI_COPY_TARBALLS_SCRIPT}
+fi
+AMBARI_LIB_BASE='/usr/lib/ambari-agent'
+AMBARI_COPY_TARBALLS_SCRIPT="${AMBARI_LIB_BASE}/${AMBARI_FUNCTIONS_DIR}/dynamic_variable_interpretation.py"
+if [[ -e ${AMBARI_COPY_TARBALLS_SCRIPT} ]]; then
+  sed -i "s/${SCRIPT_BAD_CONDITION}//" ${AMBARI_COPY_TARBALLS_SCRIPT}
+fi