Merge pull request hashicorp#6274 from DanHam/fix-compaction-esx

Revert commits that enabled reporting of disk compaction results for VMware builders

builder/vmware/common/step_compact_disk.go

@@ -4,8 +4,6 @@ import (
 	"context"
 	"fmt"
 	"log"
-	"math"
-	"os"
 
 	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
@@ -38,39 +36,10 @@ func (s StepCompactDisk) Run(_ context.Context, state multistep.StateBag) multis
 	ui.Say("Compacting all attached virtual disks...")
 	for i, diskFullPath := range diskFullPaths {
 		ui.Message(fmt.Sprintf("Compacting virtual disk %d", i+1))
-		// Get the file size of the virtual disk prior to compaction
-		fi, err := os.Stat(diskFullPath)
-		if err != nil {
-			state.Put("error", fmt.Errorf("Error getting virtual disk file info pre compaction: %s", err))
-			return multistep.ActionHalt
-		}
-		diskFileSizeStart := fi.Size()
-		// Defragment and compact the disk
 		if err := driver.CompactDisk(diskFullPath); err != nil {
 			state.Put("error", fmt.Errorf("Error compacting disk: %s", err))
 			return multistep.ActionHalt
 		}
-		// Get the file size of the virtual disk post compaction
-		fi, err = os.Stat(diskFullPath)
-		if err != nil {
-			state.Put("error", fmt.Errorf("Error getting virtual disk file info post compaction: %s", err))
-			return multistep.ActionHalt
-		}
-		diskFileSizeEnd := fi.Size()
-		// Report compaction results
-		log.Printf("Before compaction the disk file size was: %d", diskFileSizeStart)
-		log.Printf("After compaction the disk file size was: %d", diskFileSizeEnd)
-		if diskFileSizeStart > 0 {
-			percentChange := ((float64(diskFileSizeEnd) / float64(diskFileSizeStart)) * 100.0) - 100.0
-			switch {
-			case percentChange < 0:
-				ui.Message(fmt.Sprintf("Compacting reduced the disk file size by %.2f%%", math.Abs(percentChange)))
-			case percentChange == 0:
-				ui.Message(fmt.Sprintf("The compacting operation left the disk file size unchanged"))
-			case percentChange > 0:
-				ui.Message(fmt.Sprintf("WARNING: Compacting increased the disk file size by %.2f%%", percentChange))
-			}
-		}
 	}
 
 	return multistep.ActionContinue

builder/vmware/common/step_compact_disk_test.go

@@ -2,8 +2,6 @@ package common
 
 import (
 	"context"
-	"io/ioutil"
-	"os"
 	"testing"
 
 	"github.com/hashicorp/packer/helper/multistep"
@@ -17,25 +15,8 @@ func TestStepCompactDisk(t *testing.T) {
 	state := testState(t)
 	step := new(StepCompactDisk)
 
-	// Create a fake vmdk file for disk file size operations
-	diskFile, err := ioutil.TempFile("", "disk.vmdk")
-	if err != nil {
-		t.Fatalf("Error creating fake vmdk file: %s", err)
-	}
-
-	diskFullPath := diskFile.Name()
-	defer os.Remove(diskFullPath)
-
-	content := []byte("I am the fake vmdk's contents")
-	if _, err := diskFile.Write(content); err != nil {
-		t.Fatalf("Error writing to fake vmdk file: %s", err)
-	}
-	if err := diskFile.Close(); err != nil {
-		t.Fatalf("Error closing fake vmdk file: %s", err)
-	}
-
-	// Set up required state
-	state.Put("disk_full_paths", []string{diskFullPath})
+	diskFullPaths := []string{"foo"}
+	state.Put("disk_full_paths", diskFullPaths)
 
 	driver := state.Get("driver").(*DriverMock)
 
@@ -51,7 +32,7 @@ func TestStepCompactDisk(t *testing.T) {
 	if !driver.CompactDiskCalled {
 		t.Fatal("should've called")
 	}
-	if driver.CompactDiskPath != diskFullPath {
+	if driver.CompactDiskPath != "foo" {
 		t.Fatal("should call with right path")
 	}
 }