druid: 30.0.0 -> 31.0.0 (#351877)

nixos/tests/druid/default.nix

···
   tests = {
     default = testsForPackage {
       druidPackage = pkgs.druid;
-      hadoopPackage = pkgs.hadoop_3_2;
+      hadoopPackage = pkgs.hadoop_3_3;
     };
   };
   testsForPackage =

pkgs/by-name/dr/druid/package.nix

···
   lib,
   stdenv,
   fetchurl,
+  mysql_jdbc,
   extensions ? { },
   libJars ? [ ],
   nixosTests,
···
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "apache-druid";
-  version = "30.0.0";
+  version = "31.0.0";
 
   src = fetchurl {
     url = "mirror://apache/druid/${finalAttrs.version}/apache-druid-${finalAttrs.version}-bin.tar.gz";
-    hash = "sha256-mRYorVkNzM94LP53G78eW20N5UsvMP7Lv4rAysmPwXw=";
-  };
-
-  mysqlConnector = fetchurl {
-    url = "mirror://maven/mysql/mysql-connector-java/5.1.48/mysql-connector-java-5.1.48.jar";
-    hash = "sha256-VuJsqqOCH1rkr0T5x09mz4uE6gFRatOAPLsOkEm27Kg=";
+    hash = "sha256-xppAoKNS/qB8WVMwBPxxHbOy5uDGl3IxrCWV1T+YQkE=";
   };
 
   dontBuild = true;
···
     runHook preInstall
     mkdir $out
     mv * $out
-    ${optionalString mysqlSupport "cp ${finalAttrs.mysqlConnector} $out/extensions/mysql-metadata-storage"}
+    ${optionalString mysqlSupport "ln -s ${mysql_jdbc}/share/java/mysql-connector-java.jar $out/extensions/mysql-metadata-storage"}
     ${finalAttrs.loadExtensions}
     ${finalAttrs.loadJars}
     runHook postInstall