1 files changed, 145 insertions, 0 deletions
diff --git a/vendor/github.com/mitchellh/packer/vendor/github.com/vmware/govmomi/object/datastore_file_manager.go b/vendor/github.com/mitchellh/packer/vendor/github.com/vmware/govmomi/object/datastore_file_manager.go
new file mode 100644
index 00000000..7164fbbe
--- /dev/null
+++ b/vendor/github.com/mitchellh/packer/vendor/github.com/vmware/govmomi/object/datastore_file_manager.go
@@ -0,0 +1,145 @@
+/*
+Copyright (c) 2017 VMware, Inc. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package object
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"fmt"
+	"io"
+	"log"
+	"path"
+	"strings"
+
+	"github.com/vmware/govmomi/vim25/soap"
+)
+
+// DatastoreFileManager combines FileManager and VirtualDiskManager to manage files on a Datastore
+type DatastoreFileManager struct {
+	Datacenter         *Datacenter
+	Datastore          *Datastore
+	FileManager        *FileManager
+	VirtualDiskManager *VirtualDiskManager
+
+	Force bool
+}
+
+// NewFileManager creates a new instance of DatastoreFileManager
+func (d Datastore) NewFileManager(dc *Datacenter, force bool) *DatastoreFileManager {
+	c := d.Client()
+
+	m := &DatastoreFileManager{
+		Datacenter:         dc,
+		Datastore:          &d,
+		FileManager:        NewFileManager(c),
+		VirtualDiskManager: NewVirtualDiskManager(c),
+		Force:              force,
+	}
+
+	return m
+}
+
+// Delete dispatches to the appropriate Delete method based on file name extension
+func (m *DatastoreFileManager) Delete(ctx context.Context, name string) error {
+	switch path.Ext(name) {
+	case ".vmdk":
+		return m.DeleteVirtualDisk(ctx, name)
+	default:
+		return m.DeleteFile(ctx, name)
+	}
+}
+
+// DeleteFile calls FileManager.DeleteDatastoreFile
+func (m *DatastoreFileManager) DeleteFile(ctx context.Context, name string) error {
+	p := m.Path(name)
+
+	task, err := m.FileManager.DeleteDatastoreFile(ctx, p.String(), m.Datacenter)
+	if err != nil {
+		return err
+	}
+
+	return task.Wait(ctx)
+}
+
+// DeleteVirtualDisk calls VirtualDiskManager.DeleteVirtualDisk
+// Regardless of the Datastore type, DeleteVirtualDisk will fail if 'ddb.deletable=false',
+// so if Force=true this method attempts to set 'ddb.deletable=true' before starting the delete task.
+func (m *DatastoreFileManager) DeleteVirtualDisk(ctx context.Context, name string) error {
+	p := m.Path(name)
+
+	var merr error
+
+	if m.Force {
+		merr = m.markDiskAsDeletable(ctx, p)
+	}
+
+	task, err := m.VirtualDiskManager.DeleteVirtualDisk(ctx, p.String(), m.Datacenter)
+	if err != nil {
+		log.Printf("markDiskAsDeletable(%s): %s", p, merr)
+		return err
+	}
+
+	return task.Wait(ctx)
+}
+
+// Path converts path name to a DatastorePath
+func (m *DatastoreFileManager) Path(name string) *DatastorePath {
+	var p DatastorePath
+
+	if !p.FromString(name) {
+		p.Path = name
+		p.Datastore = m.Datastore.Name()
+	}
+
+	return &p
+}
+
+func (m *DatastoreFileManager) markDiskAsDeletable(ctx context.Context, path *DatastorePath) error {
+	r, _, err := m.Datastore.Download(ctx, path.Path, &soap.DefaultDownload)
+	if err != nil {
+		return err
+	}
+
+	defer r.Close()
+
+	hasFlag := false
+	buf := new(bytes.Buffer)
+
+	s := bufio.NewScanner(&io.LimitedReader{R: r, N: 2048}) // should be only a few hundred bytes, limit to be sure
+
+	for s.Scan() {
+		line := s.Text()
+		if strings.HasPrefix(line, "ddb.deletable") {
+			hasFlag = true
+			continue
+		}
+
+		fmt.Fprintln(buf, line)
+	}
+
+	if err := s.Err(); err != nil {
+		return err // any error other than EOF
+	}
+
+	if !hasFlag {
+		return nil // already deletable, so leave as-is
+	}
+
+	// rewrite the .vmdk with ddb.deletable flag removed (the default is true)
+	return m.Datastore.Upload(ctx, buf, path.Path, &soap.DefaultUpload)
+}