1 files changed, 34 insertions, 6 deletions
diff --git a/nixos/modules/services/web-apps/nexus.nix b/nixos/modules/services/web-apps/nexus.nix
index f6a5ce73a12..d5bd0f12feb 100644
--- a/nixos/modules/services/web-apps/nexus.nix
+++ b/nixos/modules/services/web-apps/nexus.nix
@@ -42,6 +42,34 @@ in
         default = 8081;
         description = "Port to listen on.";
       };
+
+      jvmOpts = mkOption {
+        type = types.lines;
+        default = ''
+          -Xms1200M
+          -Xmx1200M
+          -XX:MaxDirectMemorySize=2G
+          -XX:+UnlockDiagnosticVMOptions
+          -XX:+UnsyncloadClass
+          -XX:+LogVMOutput
+          -XX:LogFile=${cfg.home}/nexus3/log/jvm.log
+          -XX:-OmitStackTraceInFastThrow
+          -Djava.net.preferIPv4Stack=true
+          -Dkaraf.home=${pkgs.nexus}
+          -Dkaraf.base=${pkgs.nexus}
+          -Dkaraf.etc=${pkgs.nexus}/etc/karaf
+          -Djava.util.logging.config.file=${pkgs.nexus}/etc/karaf/java.util.logging.properties
+          -Dkaraf.data=${cfg.home}/nexus3
+          -Djava.io.tmpdir=${cfg.home}/nexus3/tmp
+          -Dkaraf.startLocalConsole=false
+        '';
+
+        description = ''
+          Options for the JVM written to `nexus.jvmopts`.
+          Please refer to the docs (https://help.sonatype.com/repomanager3/installation/configuring-the-runtime-environment)
+          for further information.
+        '';
+      };
     };
   };
 
@@ -63,13 +91,13 @@ in
       environment = {
         NEXUS_USER = cfg.user;
         NEXUS_HOME = cfg.home;
+
+        VM_OPTS_FILE = pkgs.writeText "nexus.vmoptions" cfg.jvmOpts;
       };
 
       preStart = ''
         mkdir -p ${cfg.home}/nexus3/etc
 
-        ln -sf ${cfg.home} /run/sonatype-work
-
         chown -R ${cfg.user}:${cfg.group} ${cfg.home}
 
         if [ ! -f ${cfg.home}/nexus3/etc/nexus.properties ]; then
@@ -77,10 +105,10 @@ in
           echo "application-port=${toString cfg.listenPort}" >> ${cfg.home}/nexus3/etc/nexus.properties
           echo "application-host=${toString cfg.listenAddress}" >> ${cfg.home}/nexus3/etc/nexus.properties
         else
-          sed 's/^application-port=.*/application-port=${toString cfg.listenPort}/' -i ${cfg.home}/nexus3/etc/nexus.properties 
-          sed 's/^# application-port=.*/application-port=${toString cfg.listenPort}/' -i ${cfg.home}/nexus3/etc/nexus.properties 
-          sed 's/^application-host=.*/application-host=${toString cfg.listenAddress}/' -i ${cfg.home}/nexus3/etc/nexus.properties 
-          sed 's/^# application-host=.*/application-host=${toString cfg.listenAddress}/' -i ${cfg.home}/nexus3/etc/nexus.properties 
+          sed 's/^application-port=.*/application-port=${toString cfg.listenPort}/' -i ${cfg.home}/nexus3/etc/nexus.properties
+          sed 's/^# application-port=.*/application-port=${toString cfg.listenPort}/' -i ${cfg.home}/nexus3/etc/nexus.properties
+          sed 's/^application-host=.*/application-host=${toString cfg.listenAddress}/' -i ${cfg.home}/nexus3/etc/nexus.properties
+          sed 's/^# application-host=.*/application-host=${toString cfg.listenAddress}/' -i ${cfg.home}/nexus3/etc/nexus.properties
         fi
       '';