Make "flux trace" more generic (#3543)

plugins/flux.yaml

@@ -162,14 +162,20 @@ plugins:
     args:
       - -c
       - >-
-        resource=$(echo $RESOURCE_NAME | sed -E 's/ies$/y/' | sed -E 's/ses$/se/' | sed -E 's/(s|es)$//g');
+        if [ -n "$RESOURCE_GROUP" ]; then api_endpoint="/apis/$RESOURCE_GROUP/$RESOURCE_VERSION"; else api_endpoint="/api/$RESOURCE_VERSION"; fi;
+        api_resource=$(kubectl get --raw "${api_endpoint}" | jq -r ".resources[] | select(.name==\"$RESOURCE_NAME\")");
+        kind=$(echo ${api_resource} | jq -r '.kind');
+        namespace_arg=$(echo ${api_resource} | jq -r "if .namespaced == true then \"--namespace $NAMESPACE\" else \"\" end");
+        [ -n "$RESOURCE_GROUP" ] && api_version=$RESOURCE_GROUP/;
+        api_version=${api_version}$RESOURCE_VERSION;
         flux
         trace
         --context $CONTEXT
-        --kind $resource
-        --api-version $RESOURCE_GROUP/$RESOURCE_VERSION
-        --namespace $NAMESPACE $NAME
-        | less -K
+        --kind ${kind}
+        --api-version ${api_version}
+        ${namespace_arg}
+        $NAME
+        |& less -K
   # credits: https://github.com/fluxcd/flux2/discussions/2494
   get-suspended-helmreleases:
     shortCut: Shift-S