dd-agent: support jmx, needs a separate daemon nowadays.

(cherry picked from commit 1425a1f964adc2e2eb668810f3f158089035cd3d)

pkgs/tools/networking/dd-agent/default.nix

@@ -36,12 +36,20 @@ stdenv.mkDerivation rec {
     ln -s $out/agent/dogstatsd.py $out/bin/dogstatsd
     ln -s $out/agent/ddagent.py $out/bin/dd-forwarder
 
+    cat > $out/bin/dd-jmxfetch <<EOF
+    #!/usr/bin/env bash
+    exec ${python}/bin/python $out/agent/jmxfetch.py $@
+    EOF
+    chmod a+x $out/bin/dd-jmxfetch
+
     wrapProgram $out/bin/dd-forwarder \
       --prefix PYTHONPATH : $PYTHONPATH
     wrapProgram $out/bin/dd-agent \
       --prefix PYTHONPATH : $PYTHONPATH
     wrapProgram $out/bin/dogstatsd \
       --prefix PYTHONPATH : $PYTHONPATH
+    wrapProgram $out/bin/dd-jmxfetch \
+      --prefix PYTHONPATH : $PYTHONPATH
 
     patchShebangs $out
   '';