Add proper escaping for bigtable_env.sh variables.

Fix handling of the bigtable-hbase.jar destination.
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=92781791

extensions/bigtable/install_hbase_bigtable.sh

@@ -16,65 +16,65 @@ set -o nounset
 set -o errexit
 
 # Get the filename out of the full URI.
-HBASE_TARBALL=${HBASE_TARBALL_URI##*/}
+HBASE_TARBALL="${HBASE_TARBALL_URI##*/}"
 
 # Get the tarball, untar it.
-download_bd_resource ${HBASE_TARBALL_URI} /home/hadoop/${HBASE_TARBALL}
+download_bd_resource "${HBASE_TARBALL_URI}" "/home/hadoop/${HBASE_TARBALL}"
 
-tar -C /home/hadoop -xzvf /home/hadoop/${HBASE_TARBALL}
-mv /home/hadoop/hbase*/ ${HBASE_INSTALL_DIR}
+tar -C /home/hadoop -xzvf "/home/hadoop/${HBASE_TARBALL}"
+mv /home/hadoop/hbase*/ "${HBASE_INSTALL_DIR}"
 
-mkdir -p ${BIGTABLE_LIB_DIR}
+mkdir -p "${BIGTABLE_LIB_DIR}"
 
 # Download the alpn jar.  The Alpn jar should be a fully qualified URL.
 # download_bd_resource needs a fully qualified file path and not just a
 # directory name to put the file in when the file to download starts with
 # http://.
-ALPN_JAR_NAME=${ALPN_REMOTE_JAR##*/}
-ALPN_BOOT_JAR=${BIGTABLE_LIB_DIR}/${ALPN_JAR_NAME}
-download_bd_resource ${ALPN_REMOTE_JAR} ${ALPN_BOOT_JAR}
+ALPN_JAR_NAME="${ALPN_REMOTE_JAR##*/}"
+ALPN_BOOT_JAR="${BIGTABLE_LIB_DIR}/${ALPN_JAR_NAME}"
+download_bd_resource "${ALPN_REMOTE_JAR}" "${ALPN_BOOT_JAR}"
 
 # Download the jar contains the Bigtable API and the Bigtable HBase integration.
-download_bd_resource ${BIGTABLE_HBASE_JAR} ${BIGTABLE_LIB_DIR}
+BIGTABLE_HBASE_JAR_NAME="${BIGTABLE_HBASE_JAR##*/}"
+download_bd_resource "${BIGTABLE_HBASE_JAR}" "${BIGTABLE_LIB_DIR}/${BIGTABLE_HBASE_JAR_NAME}"
 
 BIGTABLE_CLASSPATH=`readlink -f ${BIGTABLE_LIB_DIR}/bigtable-hbase-*.jar`
 
 # Set up hbase-site.xml to make sure it can access HDFS.
 bdconfig merge_configurations \
-    --configuration_file ${HBASE_CONF_DIR}/hbase-site.xml \
+    --configuration_file "${HBASE_CONF_DIR}/hbase-site.xml" \
     --source_configuration_file bigtable-hbase-site-template.xml \
     --resolve_environment_variables \
     --create_if_absent \
     --clobber
 
 # Symlink the Hadoop hdfs-site.xml to hbase's "copy" of it.
-ln -s ${HADOOP_CONF_DIR}/hdfs-site.xml ${HBASE_CONF_DIR}/hdfs-site.xml
+ln -s "${HADOOP_CONF_DIR}/hdfs-site.xml" ${HBASE_CONF_DIR}/hdfs-site.xml
 
 # Add the hbase 'bin' path to the .bashrc so that it's easy to call 'hbase'
 # during interactive ssh session.
 add_to_path_at_login "${HBASE_INSTALL_DIR}/bin"
 
 # Assign ownership of everything to the 'hadoop' user.
-chown -R hadoop:hadoop /home/hadoop/ ${HBASE_INSTALL_DIR}
+chown -R hadoop:hadoop /home/hadoop/ "${HBASE_INSTALL_DIR}"
 
 # Update hadoop-env.sh with alpn boot classpath.  Create an environment variable
 # BIGTABLE_BOOT_OPTS that makes command line requests a bit easier.
-echo -e "" >> ${HADOOP_CONF_DIR}/hadoop-env.sh
-echo -e "HADOOP_OPTS=\"\${HADOOP_OPTS} -Xbootclasspath/p:${ALPN_BOOT_JAR}\"" >> ${HADOOP_CONF_DIR}/hadoop-env.sh
-echo -e "HADOOP_TASKTRACKER_OPTS=\"\${HADOOP_TASKTRACKER_OPTS} -Xbootclasspath/p:${ALPN_BOOT_JAR}\"" >> ${HADOOP_CONF_DIR}/hadoop-env.sh
-echo -e "BIGTABLE_BOOT_OPTS=\"${BIGTABLE_BOOT_OPTS}\"" >> ${HADOOP_CONF_DIR}/hadoop-env.sh
+echo -e "" >> "${HADOOP_CONF_DIR}/hadoop-env.sh"
+echo -e "HADOOP_OPTS=\"\${HADOOP_OPTS} -Xbootclasspath/p:${ALPN_BOOT_JAR}\"" >> "${HADOOP_CONF_DIR}/hadoop-env.sh"
+echo -e "HADOOP_TASKTRACKER_OPTS=\"\${HADOOP_TASKTRACKER_OPTS} -Xbootclasspath/p:${ALPN_BOOT_JAR}\"" >> "${HADOOP_CONF_DIR}/hadoop-env.sh"
+echo -e "BIGTABLE_BOOT_OPTS=\"${BIGTABLE_BOOT_OPTS}\"" >> "${HADOOP_CONF_DIR}/hadoop-env.sh"
 
 # TODO: This should probably be removed at some point.  This is done in order
 # add in a newer version of guava that's bundled with ${BIGTABLE_RPC_JAR}
-echo -e "HADOOP_CLASSPATH=${BIGTABLE_CLASSPATH}:\${HADOOP_CLASSPATH}" >> ${HADOOP_CONF_DIR}/hadoop-env.sh
-echo -e "HADOOP_USER_CLASSPATH_FIRST=true" >> ${HADOOP_CONF_DIR}/hadoop-env.sh
+echo -e "HADOOP_CLASSPATH=${BIGTABLE_CLASSPATH}:\${HADOOP_CLASSPATH}" >> "${HADOOP_CONF_DIR}/hadoop-env.sh"
+echo -e "HADOOP_USER_CLASSPATH_FIRST=true" >> "${HADOOP_CONF_DIR}/hadoop-env.sh"
 
 # Update yarn-env.sh with alpn boot classpath.
-echo -e "" >> ${HADOOP_CONF_DIR}/yarn-env.sh.
-echo -e "YARN_OPTS=\"\${YARN_OPTS} -Dyarn.app.mapreduce.am.command-opts=\"${BIGTABLE_BOOT_OPTS}\"\"" >> ${HADOOP_CONF_DIR}/yarn-env.sh
+echo -e "" >> "${HADOOP_CONF_DIR}/yarn-env.sh"
+echo -e "YARN_OPTS=\"\${YARN_OPTS} -Dyarn.app.mapreduce.am.command-opts=\"${BIGTABLE_BOOT_OPTS}\"\"" >> "${HADOOP_CONF_DIR}/yarn-env.sh"
 
 # Update base-env.sh with alpn boot classpath and add the Bigtable classpath to
 # the hbase classpath.
-echo -e "HBASE_OPTS=\"\${HBASE_OPTS} ${BIGTABLE_BOOT_OPTS}\"" >> ${HBASE_CONF_DIR}/hbase-env.sh
+echo -e "HBASE_OPTS=\"\${HBASE_OPTS} ${BIGTABLE_BOOT_OPTS}\"" >> "${HBASE_CONF_DIR}/hbase-env.sh"
 
-exit