HDFS-12166. Do not deprecate HTTPFS_TEMP. Contributed by John Zhuge.

Change-Id: Icdd032de9feea3d0dde71bf8145b70497993d97f

hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/conf/httpfs-env.sh

@@ -28,7 +28,7 @@
 
 # HTTPFS temporary directory
 #
-# export HTTPFS_TEMP=${HADOOP_HOME}/temp
+# export HTTPFS_TEMP=${HADOOP_HDFS_HOME}/temp
 
 # The HTTP port used by HTTPFS
 #

hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/fs/http/server/HttpFSServerWebServer.java

@@ -71,8 +71,6 @@ public class HttpFSServerWebServer {
   HttpFSServerWebServer(Configuration conf, Configuration sslConf) throws
       Exception {
     // Override configuration with deprecated environment variables.
-    deprecateEnv("HTTPFS_TEMP", conf, HttpServer2.HTTP_TEMP_DIR_KEY,
-        HTTPFS_SITE_XML);
     deprecateEnv("HTTPFS_HTTP_HOSTNAME", conf, HTTP_HOSTNAME_KEY,
         HTTPFS_SITE_XML);
     deprecateEnv("HTTPFS_HTTP_PORT", conf, HTTP_PORT_KEY,

hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/libexec/shellprofile.d/hadoop-httpfs.sh

@@ -37,14 +37,18 @@ function hdfs_subcommand_httpfs
   # shellcheck disable=SC2034
 
   hadoop_add_param HADOOP_OPTS "-Dhttpfs.home.dir" \
-    "-Dhttpfs.home.dir=${HADOOP_HOME}"
+    "-Dhttpfs.home.dir=${HTTPFS_HOME:-${HADOOP_HDFS_HOME}}"
   hadoop_add_param HADOOP_OPTS "-Dhttpfs.config.dir" \
     "-Dhttpfs.config.dir=${HTTPFS_CONFIG:-${HADOOP_CONF_DIR}}"
   hadoop_add_param HADOOP_OPTS "-Dhttpfs.log.dir" \
     "-Dhttpfs.log.dir=${HTTPFS_LOG:-${HADOOP_LOG_DIR}}"
 
-  if [[ "${HADOOP_DAEMON_MODE}" == "default" ]] ||
-     [[ "${HADOOP_DAEMON_MODE}" == "start" ]]; then
-    hadoop_mkdir "${HTTPFS_TEMP:-${HADOOP_HOME}/temp}"
-  fi
-}
+  local temp_dir=${HTTPFS_TEMP:-${HADOOP_HDFS_HOME}/temp}
+  hadoop_add_param HADOOP_OPTS "-Dhttpfs.temp.dir" \
+    "-Dhttpfs.temp.dir=${temp_dir}"
+  case ${HADOOP_DAEMON_MODE} in
+    start|default)
+      hadoop_mkdir "${temp_dir}"
+    ;;
+  esac
+}

hadoop-hdfs-project/hadoop-hdfs-httpfs/src/site/markdown/ServerSetup.md.vm

@@ -149,7 +149,6 @@ HTTPFS_MAX_THREADS          | hadoop.http.max.threads      | httpfs-site.xml
 HTTPFS_SSL_ENABLED          | httpfs.ssl.enabled           | httpfs-site.xml
 HTTPFS_SSL_KEYSTORE_FILE    | ssl.server.keystore.location | ssl-server.xml
 HTTPFS_SSL_KEYSTORE_PASS    | ssl.server.keystore.password | ssl-server.xml
-HTTPFS_TEMP                 | hadoop.http.temp.dir         | httpfs-site.xml
 
 HTTP Default Services
 ---------------------