solr: init at 8.0.0

nixos/doc/manual/release-notes/rl-1909.xml

@@ -147,6 +147,21 @@
      Accelerated Video Playback</link> for better transcoding performance.
     </para>
    </listitem>
+   <listitem>
+    <para>
+     The following changes apply if the <literal>stateVersion</literal> is
+     changed to 19.09 or higher. For <literal>stateVersion = "19.03"</literal>
+     or lower the old behavior is preserved.
+    </para>
+    <itemizedlist>
+     <listitem>
+      <para>
+       <literal>solr.package</literal> defaults to
+       <literal>pkgs.solr_8</literal>.
+      </para>
+     </listitem>
+    </itemizedlist>
+   </listitem>
   </itemizedlist>
  </section>
 </section>

nixos/modules/services/search/solr.nix

@@ -13,11 +13,19 @@ in
     services.solr = {
       enable = mkEnableOption "Enables the solr service.";
 
+      # default to the 8.x series not forcing major version upgrade of those on the 7.x series
       package = mkOption {
         type = types.package;
-        default = pkgs.solr;
+        default = if versionAtLeast config.system.stateVersion "19.09"
+          then pkgs.solr_8
+          else pkgs.solr_7
+        ;
         defaultText = "pkgs.solr";
-        description = "Which Solr package to use.";
+        description = ''
+          Which Solr package to use. This defaults to version 7.x if
+          <literal>system.stateVersion &lt; 19.09</literal> and version 8.x
+          otherwise.
+        '';
       };
 
       port = mkOption {

nixos/tests/solr.nix

@@ -1,8 +1,13 @@
-import ./make-test.nix ({ pkgs, lib, ... }:
-{
-  name = "solr";
-  meta.maintainers = [ lib.maintainers.aanderse ];
+{ system ? builtins.currentSystem,
+  config ? {},
+  pkgs ? import ../.. { inherit system config; }
+}:
 
+with import ../lib/testing.nix { inherit system pkgs; };
+with pkgs.lib;
+
+let
+  solrTest = package: makeTest {
     machine =
       { config, pkgs, ... }:
       {
@@ -17,6 +22,7 @@ import ./make-test.nix ({ pkgs, lib, ... }:
         virtualisation.memorySize = 2000;
 
         services.solr.enable = true;
+        services.solr.package = package;
       };
 
     testScript = ''
@@ -44,4 +50,16 @@ import ./make-test.nix ({ pkgs, lib, ... }:
       $machine->succeed('sudo -u solr post -c films ${pkgs.solr}/example/films/films.json');
       $machine->succeed('curl http://localhost:8983/solr/films/query?q=name:batman') =~ /"name":"Batman Begins"/ or die;
     '';
-})
+  };
+in
+{
+  solr_7 = solrTest pkgs.solr_7 // {
+    name = "solr_7";
+    meta.maintainers = [ lib.maintainers.aanderse ];
+  };
+
+  solr_8 = solrTest pkgs.solr_8 // {
+    name = "solr_8";
+    meta.maintainers = [ lib.maintainers.aanderse ];
+  };
+}

pkgs/servers/search/solr/8.x.nix

@@ -0,0 +1,35 @@
+{ stdenv, fetchurl, jre, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "solr";
+  version = "8.0.0";
+
+  src = fetchurl {
+    url = "mirror://apache/lucene/solr/${version}/solr-${version}.tgz";
+    sha256 = "04hxj7nfmbh5wfqkq1p5q2ncxszwm80l218vfdy93aw0p79r4qqf";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out $out/bin
+
+    cp -r bin/solr bin/post $out/bin/
+    cp -r contrib $out/
+    cp -r dist $out/
+    cp -r example $out/
+    cp -r server $out/
+
+    wrapProgram $out/bin/solr --set JAVA_HOME "${jre}"
+    wrapProgram $out/bin/post --set JAVA_HOME "${jre}"
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = https://lucene.apache.org/solr/;
+    description = "Open source enterprise search platform from the Apache Lucene project";
+    license = licenses.asl20;
+    platforms = platforms.all;
+    maintainers = [ maintainers.rickynils maintainers.domenkozar maintainers.aanderse ];
+  };
+
+}

pkgs/top-level/all-packages.nix

@@ -5646,7 +5646,9 @@ in
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
-  solr = callPackage ../servers/search/solr { };
+  solr = solr_8;
+  solr_7 = callPackage ../servers/search/solr { };
+  solr_8 = callPackage ../servers/search/solr/8.x.nix { };
 
   solvespace = callPackage ../applications/graphics/solvespace { };