From 34f163ce87b51d3dd2fc3be02a73d43dc15d3036 Mon Sep 17 00:00:00 2001
From: Eloy Coto <eloy.coto@gmail.com>
Date: Wed, 24 Jun 2015 08:28:14 +0100
Subject: [PATCH] Post-Processor/Vsphere: Added overwrite option

---
 post-processor/vsphere/post-processor.go      | 20 ++++++++++++++++---
 .../post-processors/vsphere.html.markdown     |  6 +++++-
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/post-processor/vsphere/post-processor.go b/post-processor/vsphere/post-processor.go
index 21ae9490c..514face0f 100644
--- a/post-processor/vsphere/post-processor.go
+++ b/post-processor/vsphere/post-processor.go
@@ -22,12 +22,13 @@ var builtins = map[string]string{
 type Config struct {
 	common.PackerConfig `mapstructure:",squash"`
 
-	Insecure     bool   `mapstructure:"insecure"`
 	Cluster      string `mapstructure:"cluster"`
 	Datacenter   string `mapstructure:"datacenter"`
 	Datastore    string `mapstructure:"datastore"`
 	DiskMode     string `mapstructure:"disk_mode"`
 	Host         string `mapstructure:"host"`
+	Insecure     bool   `mapstructure:"insecure"`
+	Overwrite    bool   `mapstructure:"overwrite"`
 	Password     string `mapstructure:"password"`
 	ResourcePool string `mapstructure:"resource_pool"`
 	Username     string `mapstructure:"username"`
@@ -119,7 +120,7 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 		ovftool_uri += "/Resources/" + p.config.ResourcePool
 	}
 
-	args := []string{
+	options := []string{
 		fmt.Sprintf("--noSSLVerify=%t", p.config.Insecure),
 		"--acceptAllEulas",
 		fmt.Sprintf("--name=%s", p.config.VMName),
@@ -132,8 +133,21 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 	}
 
 	ui.Message(fmt.Sprintf("Uploading %s to vSphere", source))
+
+	args := []string{
+		fmt.Sprintf("%s", vmx),
+		fmt.Sprintf("%s", ovftool_uri),
+	}
+
+	if p.config.Overwrite == true {
+		options = append(options, "--overwrite")
+	}
+
+	command := append(options, args...)
+
+	ui.Message(fmt.Sprintf("Uploading %s to vSphere", vmx))
 	var out bytes.Buffer
-	log.Printf("Starting ovftool with parameters: %s", strings.Join(args, " "))
+	log.Printf("Starting ovftool with parameters: %s", strings.Join(command, " "))
 	cmd := exec.Command("ovftool", args...)
 	cmd.Stdout = &out
 	if err := cmd.Run(); err != nil {
diff --git a/website/source/docs/post-processors/vsphere.html.markdown b/website/source/docs/post-processors/vsphere.html.markdown
index 300155773..326fdf56c 100644
--- a/website/source/docs/post-processors/vsphere.html.markdown
+++ b/website/source/docs/post-processors/vsphere.html.markdown
@@ -53,4 +53,8 @@ Optional:
 
 -   `vm_folder` (string) - The folder within the datastore to store the VM.
 
--   `vm_network` (string) - The name of the VM network this VM will be added to.
+-   `vm_network` (string) - The name of the VM network this VM will be
+  added to.
+
+-   `overwrite` (boolean) - If it's true force the system to overwrite the
+  existing files instead create new ones. Default is false