Add a utility for container file listing [Updates #2]

Makefile

@@ -27,8 +27,12 @@ endif
 all: bindata
 	@mkdir -p bin/
 	@$(ECHO) "$(OK_COLOR)==> Building $(NAME) $(VERSION) $(NO_COLOR)"
-	@godep go build -o bin/$(NAME) cmd/*
+	@godep go build -o bin/$(NAME) cmd/*.go
+	@mkdir -p bin/util/
+	@$(ECHO) "$(OK_COLOR)==> Building utils $(NO_COLOR)"
+	@godep go build -o bin/util/files cmd/util/files.go
 	@chmod +x bin/$(NAME)
+	@chmod +x bin/util/*
 	@$(ECHO) "$(OK_COLOR)==> Done building$(NO_COLOR)"
 
 build: bindata all

cmd/util/files.go

@@ -0,0 +1,73 @@
+package main
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"log"
+	"os"
+	"time"
+
+	kingpin "gopkg.in/alecthomas/kingpin.v1"
+)
+
+var (
+	Version = "0.1.0"
+	app     = kingpin.New("files", "Command for listing a file in JSON")
+	appPath = app.Flag("path", "path to list").Required().Short('s').String()
+)
+
+type ShortFileInfo struct {
+	Name    string
+	Size    int64
+	IsDir   bool
+	IsLink  bool
+	ModTime time.Time
+}
+
+func NewShortFileInfo(f os.FileInfo) *ShortFileInfo {
+	fi := ShortFileInfo{}
+	fi.Name = f.Name()
+	fi.Size = f.Size()
+	fi.IsDir = f.IsDir()
+	fi.ModTime = f.ModTime()
+	fi.IsLink = (f.Mode()&os.ModeType)&os.ModeSymlink > 0
+
+	return &fi
+}
+
+//
+// Go helper utility for container
+// to perform file commands.
+//
+// Will output FileInfo to JSON
+//
+func main() {
+
+	app.Version(Version)
+	_, err := app.Parse(os.Args[1:])
+
+	if err != nil {
+		app.Usage(os.Stderr)
+		log.Fatal(err)
+		os.Exit(1)
+	}
+
+	files, err := ioutil.ReadDir(*appPath)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	sfiles := make([]*ShortFileInfo, 0)
+	for _, f := range files {
+		sfile := NewShortFileInfo(f)
+		sfiles = append(sfiles, sfile)
+	}
+	bytes, err := json.Marshal(sfiles)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+	os.Stdout.Write(bytes)
+
+	os.Exit(0)
+}

config.go

@@ -1,4 +1,4 @@
-package codetainer 
+package codetainer
 
 import (
 	"fmt"

http-handlers.go

@@ -149,6 +149,16 @@ func RouteApiV1CodetainerStop(ctx *Context) error {
 	return nil
 }
 
+type FileDesc struct {
+	name string
+	size int64
+}
+
+func parseFiles(output string) []FileDesc {
+	files := make([]FileDesc, 0)
+	return files
+}
+
 //
 // List files in a codetainer
 //