feat: add network:report command

plugins/network/src/subcommands/report/report.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"reflect"
+	"strings"
+
+	"github.com/dokku/dokku/plugins/common"
+	"github.com/dokku/dokku/plugins/network"
+)
+
+func reportSingleApp(appName, infoFlag string) {
+	infoFlags := map[string]string{
+		"--network-bind-all-interfaces": common.PropertyGet("network", appName, "bind-all-interfaces"),
+		"--network-listeners":           strings.Join(network.GetListeners(appName), " "),
+	}
+
+	if len(infoFlag) == 0 {
+		common.LogInfo2Quiet(fmt.Sprintf("%s network information", appName))
+		for k, v := range infoFlags {
+			key := common.UcFirst(strings.Replace(strings.TrimPrefix(k, "--"), "-", " ", -1))
+			common.LogVerbose(fmt.Sprintf("%s: %s", key, v))
+		}
+		return
+	}
+
+	for k, v := range infoFlags {
+		if infoFlag == k {
+			fmt.Fprintln(os.Stdout, v)
+			return
+		}
+	}
+
+	keys := reflect.ValueOf(infoFlags).MapKeys()
+	strkeys := make([]string, len(keys))
+	for i := 0; i < len(keys); i++ {
+		strkeys[i] = keys[i].String()
+	}
+	common.LogFail(fmt.Sprintf("Invalid flag passed, valid flags: %s", strings.Join(strkeys, ", ")))
+}
+
+// set or clear a network property for an app
+func main() {
+	flag.Parse()
+	appName := flag.Arg(1)
+	infoFlag := flag.Arg(2)
+
+	if strings.HasPrefix(appName, "--") {
+		infoFlag = appName
+		appName = ""
+	}
+
+	if len(appName) == 0 {
+		apps, err := common.DokkuApps()
+		if err != nil {
+			return
+		}
+		for _, appName := range apps {
+			reportSingleApp(appName, infoFlag)
+		}
+		return
+	}
+
+	reportSingleApp(appName, infoFlag)
+}