fix issues with import benchmark output

not all metadata was jsonified and it was timing itself

bench/import.go

@@ -7,7 +7,6 @@ import (
 	"io"
 	"io/ioutil"
 	"math/rand"
-	"time"
 
 	"sort"
 
@@ -135,9 +134,8 @@ func (b *Import) Init(hosts []string, agentNum int) error {
 		b.MinBitsPerMap, b.MaxBitsPerMap, b.Seed+int64(agentNum), b.RandomBitmapOrder)
 	b.numbits = num
 	// set b.Paths
-	f.Close()
 	b.Paths = []string{f.Name()}
-	return nil
+	return f.Close()
 }
 
 // Run runs the Import benchmark
@@ -145,13 +143,11 @@ func (b *Import) Run(ctx context.Context, agentNum int) map[string]interface{} {
 	results := make(map[string]interface{})
 	results["numbits"] = b.numbits
 	results["db"] = b.Database
-	start := time.Now()
 	err := b.ImportCommand.Run(ctx)
 
 	if err != nil {
 		results["error"] = err.Error()
 	}
-	results["time"] = time.Now().Sub(start)
 	return results
 }
 

pilosactl/import.go

@@ -19,25 +19,25 @@ import (
 // ImportCommand represents a command for bulk importing data.
 type ImportCommand struct {
 	// Destination host and port.
-	Host string
+	Host string `json:"host"`
 
 	// Name of the database & frame to import into.
-	Database string
-	Frame    string
+	Database string `json:"db"`
+	Frame    string `json:"frame"`
 
 	// Filenames to import from.
-	Paths []string
+	Paths []string `json:"paths"`
 
 	// Size of buffer used to chunk import.
-	BufferSize int
+	BufferSize int `json:"buffer-size"`
 
 	// Reusable client.
-	Client *pilosa.Client
+	Client *pilosa.Client `json:"-"`
 
 	// Standard input/output
-	Stdin  io.Reader
-	Stdout io.Writer
-	Stderr io.Writer
+	Stdin  io.Reader `json:"-"`
+	Stdout io.Writer `json:"-"`
+	Stderr io.Writer `json:"-"`
 }
 
 // NewImportCommand returns a new instance of ImportCommand.