feat: port nginx :report subcommand to golang

The bash :report implementation for the nginx-vhosts plugin is replaced with a compiled golang binary that reuses the plugin's existing golang property getters, so every raw, global and computed key is unchanged while collection runs in parallel and json is marshalled directly. The global report keeps its existing behaviour of surfacing only the global keys.

plugins/nginx-vhosts/src/subcommands/subcommands.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/dokku/dokku/plugins/common"
+	nginxvhosts "github.com/dokku/dokku/plugins/nginx-vhosts"
+
+	flag "github.com/spf13/pflag"
+)
+
+// main entrypoint to all subcommands
+func main() {
+	parts := strings.Split(os.Args[0], "/")
+	subcommand := parts[len(parts)-1]
+
+	var err error
+	switch subcommand {
+	case "report":
+		args := flag.NewFlagSet("nginx-vhosts:report", flag.ExitOnError)
+		format := args.String("format", "stdout", "format: [ stdout | json ]")
+		reportArgs, flagErr := common.ParseReportArgs("nginx-vhosts", os.Args[2:])
+		if flagErr == nil {
+			args.Parse(reportArgs.OSArgs)
+			appName := args.Arg(0)
+			if reportArgs.IsGlobal {
+				appName = "--global"
+			}
+			err = nginxvhosts.CommandReport(appName, *format, reportArgs.InfoFlag)
+		}
+	default:
+		err = fmt.Errorf("Invalid plugin subcommand call: %s", subcommand)
+	}
+
+	if err != nil {
+		common.LogFailWithError(err)
+	}
+}

plugins/nginx-vhosts/src/triggers/triggers.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/dokku/dokku/plugins/common"
+	nginxvhosts "github.com/dokku/dokku/plugins/nginx-vhosts"
+)
+
+// main entrypoint to all triggers
+func main() {
+	parts := strings.Split(os.Args[0], "/")
+	trigger := parts[len(parts)-1]
+	flag.Parse()
+
+	var err error
+	switch trigger {
+	case "report":
+		appName := flag.Arg(0)
+		err = nginxvhosts.ReportSingleApp(appName, "", "")
+	default:
+		err = fmt.Errorf("Invalid plugin trigger call: %s", trigger)
+	}
+
+	if err != nil {
+		common.LogFailWithError(err)
+	}
+}