hadoop, nixos/hadoop: remove untarDir

nixos/modules/services/cluster/hadoop/default.nix

···
     mapredSiteDefault = mkOption {
       default = {
         "mapreduce.framework.name" = "yarn";
-        "yarn.app.mapreduce.am.env" = "HADOOP_MAPRED_HOME=${cfg.package}/lib/${cfg.package.untarDir}";
-        "mapreduce.map.env" = "HADOOP_MAPRED_HOME=${cfg.package}/lib/${cfg.package.untarDir}";
-        "mapreduce.reduce.env" = "HADOOP_MAPRED_HOME=${cfg.package}/lib/${cfg.package.untarDir}";
+        "yarn.app.mapreduce.am.env" = "HADOOP_MAPRED_HOME=${cfg.package}";
+        "mapreduce.map.env" = "HADOOP_MAPRED_HOME=${cfg.package}";
+        "mapreduce.reduce.env" = "HADOOP_MAPRED_HOME=${cfg.package}";
       };
       defaultText = literalExpression ''
         {
           "mapreduce.framework.name" = "yarn";
-          "yarn.app.mapreduce.am.env" = "HADOOP_MAPRED_HOME=''${config.${opt.package}}/lib/''${config.${opt.package}.untarDir}";
-          "mapreduce.map.env" = "HADOOP_MAPRED_HOME=''${config.${opt.package}}/lib/''${config.${opt.package}.untarDir}";
-          "mapreduce.reduce.env" = "HADOOP_MAPRED_HOME=''${config.${opt.package}}/lib/''${config.${opt.package}.untarDir}";
+          "yarn.app.mapreduce.am.env" = "HADOOP_MAPRED_HOME=''${config.${opt.package}}";
+          "mapreduce.map.env" = "HADOOP_MAPRED_HOME=''${config.${opt.package}}";
+          "mapreduce.reduce.env" = "HADOOP_MAPRED_HOME=''${config.${opt.package}}";
         }
       '';
       type = types.attrsOf types.anything;
···
     };
 
     log4jProperties = mkOption {
-      default = "${cfg.package}/lib/${cfg.package.untarDir}/etc/hadoop/log4j.properties";
+      default = "${cfg.package}/etc/hadoop/log4j.properties";
       defaultText = literalExpression ''
-        "''${config.${opt.package}}/lib/''${config.${opt.package}.untarDir}/etc/hadoop/log4j.properties"
+        "''${config.${opt.package}}/etc/hadoop/log4j.properties"
       '';
       type = types.path;
       example = literalExpression ''
-        "''${pkgs.hadoop}/lib/''${pkgs.hadoop.untarDir}/etc/hadoop/log4j.properties";
+        "''${pkgs.hadoop}/etc/hadoop/log4j.properties";
       '';
       description = lib.mdDoc "log4j.properties file added to HADOOP_CONF_DIR";
     };

nixos/modules/services/cluster/hadoop/yarn.nix

···
           umount /run/wrappers/yarn-nodemanager/cgroup/cpu || true
           rm -rf /run/wrappers/yarn-nodemanager/ || true
           mkdir -p /run/wrappers/yarn-nodemanager/{bin,etc/hadoop,cgroup/cpu}
-          cp ${cfg.package}/lib/${cfg.package.untarDir}/bin/container-executor /run/wrappers/yarn-nodemanager/bin/
+          cp ${cfg.package}/bin/container-executor /run/wrappers/yarn-nodemanager/bin/
           chgrp hadoop /run/wrappers/yarn-nodemanager/bin/container-executor
           chmod 6050 /run/wrappers/yarn-nodemanager/bin/container-executor
           cp ${hadoopConf}/container-executor.cfg /run/wrappers/yarn-nodemanager/etc/hadoop/

nixos/tests/hadoop/hadoop.nix

···
     assert "standby" in client.succeed("sudo -u yarn yarn rmadmin -getAllServiceState")
     client.succeed("sudo -u yarn yarn rmadmin -getAllServiceState | systemd-cat")
 
-    assert "Estimated value of Pi is" in client.succeed("HADOOP_USER_NAME=hdfs yarn jar $(readlink $(which yarn) | sed -r 's~bin/yarn~lib/hadoop-*/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar~g') pi 2 10")
+    assert "Estimated value of Pi is" in client.succeed("HADOOP_USER_NAME=hdfs yarn jar $(readlink $(which yarn) | sed -r 's~bin/yarn~share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar~g') pi 2 10")
     assert "SUCCEEDED" in client.succeed("yarn application -list -appStates FINISHED")
   '';
 })

pkgs/applications/networking/cluster/hadoop/default.nix

···
 
 let
   common = {
-    pname, platformAttrs, untarDir ? "${pname}-${version}", jdk
-    , nativeLibs ? [ ], libPatchesGenerator ? (_: ""), tests
+    pname, platformAttrs, jdk, nativeLibs ? [ ]
+    , libPatchesGenerator ? (_: ""), tests
   }:
     stdenv.mkDerivation (finalAttrs: {
-      inherit pname jdk untarDir;
+      inherit pname jdk;
       libPatches = libPatchesGenerator finalAttrs;
       version = platformAttrs.${stdenv.system}.version or (throw "Unsupported system: ${stdenv.system}");
       src = fetchurl {
···
       };
 
       nativeBuildInputs = [ makeWrapper ]
-                          ++ optionals (stdenv.isLinux && (nativeLibs != [ ] || (libPatches finalAttrs) != "")) [ autoPatchelfHook ];
+                          ++ optionals (stdenv.isLinux && (nativeLibs != [ ] || (libPatchesGenerator finalAttrs) != "")) [ autoPatchelfHook ];
       buildInputs = [ openssl ] ++ nativeLibs;
 
       installPhase = ''
-        mkdir -p $out/{lib/${finalAttrs.untarDir}/conf,bin,lib}
-        mv * $out/lib/${finalAttrs.untarDir}
+        mkdir $out
+        mv * $out/
       '' + optionalString stdenv.isLinux ''
         for n in $(find ${finalAttrs.containerExecutor}/bin -type f); do
-          ln -sf "$n" $out/lib/${finalAttrs.untarDir}/bin
+          ln -sf "$n" $out/bin
         done
       '' + ''
-        for n in $(find $out/lib/${finalAttrs.untarDir}/bin -type f ! -name "*.*"); do
-          makeWrapper "$n" "$out/bin/$(basename $n)"\
+        for n in $(find $out/bin -type f ! -name "*.*"); do
+          wrapProgram "$n"\
             --set-default JAVA_HOME ${finalAttrs.jdk.home}\
-            --set-default HADOOP_HOME $out/lib/${finalAttrs.untarDir}\
+            --set-default HADOOP_HOME $out/\
             --run "test -d /etc/hadoop-conf && export HADOOP_CONF_DIR=\''${HADOOP_CONF_DIR-'/etc/hadoop-conf/'}"\
-            --set-default HADOOP_CONF_DIR $out/lib/${finalAttrs.untarDir}/etc/hadoop/\
+            --set-default HADOOP_CONF_DIR $out/etc/hadoop/\
             --prefix PATH : "${makeBinPath [ bash coreutils which]}"\
             --prefix JAVA_LIBRARY_PATH : "${makeLibraryPath finalAttrs.buildInputs}"
         done
       '' + optionalString sparkSupport ''
         # Add the spark shuffle service jar to YARN
-        cp ${spark.src}/yarn/spark-${spark.version}-yarn-shuffle.jar $out/lib/${finalAttrs.untarDir}/share/hadoop/yarn/
+        cp ${spark.src}/yarn/spark-${spark.version}-yarn-shuffle.jar $out/share/hadoop/yarn/
       '' + (finalAttrs.libPatches);
 
       passthru = { inherit tests; };
···
     });
   nativeLibs = [ stdenv.cc.cc.lib protobuf zlib snappy libtirpc ];
   libPatchesGenerator = finalAttrs: (''
-      ln -s ${getLib cyrus_sasl}/lib/libsasl2.so $out/lib/${finalAttrs.untarDir}/lib/native/libsasl2.so.2
-      ln -s ${getLib openssl}/lib/libcrypto.so $out/lib/${finalAttrs.untarDir}/lib/native/
-      ln -s ${getLib zlib}/lib/libz.so.1 $out/lib/${finalAttrs.untarDir}/lib/native/
-      ln -s ${getLib zstd}/lib/libzstd.so.1 $out/lib/${finalAttrs.untarDir}/lib/native/
-      ln -s ${getLib bzip2}/lib/libbz2.so.1 $out/lib/${finalAttrs.untarDir}/lib/native/
+      ln -s ${getLib cyrus_sasl}/lib/libsasl2.so $out/lib/native/libsasl2.so.2
+      ln -s ${getLib openssl}/lib/libcrypto.so $out/lib/native/
+      ln -s ${getLib zlib}/lib/libz.so.1 $out/lib/native/
+      ln -s ${getLib zstd}/lib/libzstd.so.1 $out/lib/native/
+      ln -s ${getLib bzip2}/lib/libbz2.so.1 $out/lib/native/
     '' + optionalString stdenv.isLinux ''
       # libjvm.so for Java >=11
-      patchelf --add-rpath ${finalAttrs.jdk.home}/lib/server $out/lib/${finalAttrs.untarDir}/lib/native/libnativetask.so.1.0.0
+      patchelf --add-rpath ${finalAttrs.jdk.home}/lib/server $out/lib/native/libnativetask.so.1.0.0
       # Java 8 has libjvm.so at a different path
-      patchelf --add-rpath ${finalAttrs.jdk.home}/jre/lib/amd64/server $out/lib/${finalAttrs.untarDir}/lib/native/libnativetask.so.1.0.0
+      patchelf --add-rpath ${finalAttrs.jdk.home}/jre/lib/amd64/server $out/lib/native/libnativetask.so.1.0.0
       # NixOS/nixpkgs#193370
       # This workaround is needed to use protobuf 3.19
       # for hadoop 3.3
-      patchelf --replace-needed libprotobuf.so.18 libprotobuf.so $out/lib/${finalAttrs.untarDir}/lib/native/libhdfspp.so
+      patchelf --replace-needed libprotobuf.so.18 libprotobuf.so $out/lib/native/libhdfspp.so
       # for hadoop 3.2
-      patchelf --replace-needed libprotobuf.so.8 libprotobuf.so $out/lib/${finalAttrs.untarDir}/lib/native/libhdfspp.so
+      patchelf --replace-needed libprotobuf.so.8 libprotobuf.so $out/lib/native/libhdfspp.so
       patchelf --replace-needed libcrypto.so.1.1 libcrypto.so \
-        $out/lib/${finalAttrs.untarDir}/lib/native/{libhdfspp.so.0.1.0,examples/{pipes-sort,wordcount-nopipe,wordcount-part,wordcount-simple}}
+        $out/lib/native/{libhdfspp.so.0.1.0,examples/{pipes-sort,wordcount-nopipe,wordcount-part,wordcount-simple}}
     '');
 in
 {
···
       };
       aarch64-darwin = aarch64-linux;
     };
-    untarDir = "${pname}-${platformAttrs.${stdenv.system}.version}";
     jdk = jdk11_headless;
     inherit nativeLibs libPatchesGenerator;
     # TODO: Package and add Intel Storage Acceleration Library