Add timestamps to migration command's reporting

This change adds glog style timestamps to the reporting output of
the migration tracker.  This will aid in debugging migration errors
by making it easier to correlate client errors with master logs.

Signed-off-by: Monis Khan <[email protected]>

pkg/oc/admin/migrate/migrator.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"io"
 	"strings"
+	"time"
 
 	"github.com/golang/glog"
 	"github.com/spf13/cobra"
@@ -49,6 +50,11 @@ func AlwaysRequiresMigration(_ *resource.Info) (Reporter, error) {
 	return ReporterBool(true), nil
 }
 
+// timeStampNow returns the current time in the same format as glog
+func timeStampNow() string {
+	return time.Now().Format("0102 15:04:05.000000")
+}
+
 // NotChanged is a Reporter returned by operations that are guaranteed to be read-only
 var NotChanged = ReporterBool(false)
 
@@ -397,9 +403,9 @@ func (t *migrateTracker) report(prefix string, info *resource.Info, err error) {
 		ns = "-n " + ns
 	}
 	if err != nil {
-		fmt.Fprintf(t.out, "%-10s %s %s/%s: %v\n", prefix, ns, info.Mapping.Resource, info.Name, err)
+		fmt.Fprintf(t.out, "E%s %-10s %s %s/%s: %v\n", timeStampNow(), prefix, ns, info.Mapping.Resource, info.Name, err)
 	} else {
-		fmt.Fprintf(t.out, "%-10s %s %s/%s\n", prefix, ns, info.Mapping.Resource, info.Name)
+		fmt.Fprintf(t.out, "I%s %-10s %s %s/%s\n", timeStampNow(), prefix, ns, info.Mapping.Resource, info.Name)
 	}
 }