add prototext config format

Signed-off-by: Jeff Carr <jcarr@wit.com>

Makefile

@@ -15,7 +15,7 @@ all:
 	make droplet.pb.go
 	make hypervisor.pb.go
 	make cluster.pb.go
-	cd configfile && make
+	make -C configfile
 
 vet:
 	GO111MODULE=off go vet
@@ -26,6 +26,7 @@ lint:
 # autofixes your import headers in your golang files
 goimports:
 	goimports -w *.go
+	make -C configfile goimports
 
 redomod:
 	rm -f go.*
@@ -35,7 +36,7 @@ redomod:
 clean:
 	rm -f *.pb.go
 	-rm -f go.*
-	cd configfile && make clean
+	make -C configfile clean
 
 droplet.pb.go: droplet.proto
 	# protoc --go_out=. droplet.proto

configfile/Makefile

@@ -2,6 +2,9 @@ build:
 	GO111MODULE=off go build
 	./configfile
 
+goimports:
+	goimports -w *.go
+
 prep:
 	go get -v -t -u
 

configfile/main.go

@@ -1,13 +1,17 @@
 package main
 
-import "log"
-import "bytes"
-import "os"
-import "bufio"
-import "io/ioutil"
+import (
+	"bufio"
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
 
-import "google.golang.org/protobuf/proto"
-import pb "go.wit.com/lib/protobuf/virtbuf"
+	"google.golang.org/protobuf/proto"
+
+	pb "go.wit.com/lib/protobuf/virtbuf"
+)
 
 //
 // saves entries in a config file
@@ -21,7 +25,7 @@ func main() {
 		log.Fatalln("Error reading file:", err)
 	}
 
-	var aCluster  pb.Cluster
+	var aCluster pb.Cluster
 	if err := proto.Unmarshal(in, &aCluster); err != nil {
 		log.Fatalln("Failed to parse droplet:", err)
 	}
@@ -29,20 +33,19 @@ func main() {
 	log.Println(aCluster.String())
 	// show the droplets to STDOUT
 	for _, d := range aCluster.Droplets {
-		log.Println("\tdroplet =", d.Hostname, "preffered host:", d.PreferredHypervisor)
+		fmt.Println("\tdroplet =", d.Hostname, "preffered host:", d.PreferredHypervisor)
 	}
 
 	// show the hypervisors to STDOUT
 	for _, h := range aCluster.Hypervisors {
-		log.Println("\thypervisor =", h.Hostname, h.GetMemoryPrintable())
+		fmt.Println("\thypervisor =", h.Hostname, h.GetMemoryPrintable())
 	}
 
-	b, err := aCluster.MarshalJSON()
-	if err != nil {
-		log.Println("json failed")
-	} else {
-		log.Println(string(b))
-	}
+	json := aCluster.FormatJSON()
+	fmt.Println(json)
+
+	text := aCluster.FormatTEXT()
+	fmt.Println(text)
 }
 
 func marshalWriteToFile(myWriter *bufio.Writer, c *pb.Cluster) {

helpers.go

@@ -1,8 +1,10 @@
 package virtbuf
 
-import "fmt"
 import (
-    "google.golang.org/protobuf/encoding/protojson"
+	"fmt"
+
+	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/encoding/prototext"
 )
 
 func (x *Hypervisor) SetMemoryGB(gb int) {
@@ -14,11 +16,18 @@ func (x *Hypervisor) GetMemoryPrintable() string {
 	return fmt.Sprintf("%d GB", i)
 }
 
-
 func (c *Cluster) MarshalJSON() ([]byte, error) {
-    return protojson.Marshal(c)
+	return protojson.Marshal(c)
+}
+
+func (c *Cluster) FormatJSON() string {
+	return protojson.Format(c)
+}
+
+func (c *Cluster) FormatTEXT() string {
+	return prototext.Format(c)
 }
 
 func (c *Cluster) UnmarshalJSON(data []byte) error {
-    return protojson.Unmarshal(data, c)
+	return protojson.Unmarshal(data, c)
 }