force QueryEscape to escape spaces as %20 instead of as + for ovftool.

post-processor/vsphere/post-processor.go

@@ -110,9 +110,9 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 		return nil, false, fmt.Errorf("VMX, OVF or OVA file not found")
 	}
 
-	password := url.QueryEscape(p.config.Password)
+	password := escapeWithSpaces(p.config.Password)
 	ovftool_uri := fmt.Sprintf("vi://%s:%s@%s/%s/host/%s",
-		url.QueryEscape(p.config.Username),
+		escapeWithSpaces(p.config.Username),
 		password,
 		p.config.Host,
 		p.config.Datacenter,
@@ -146,7 +146,7 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 }
 
 func (p *PostProcessor) filterLog(s string) string {
-	password := url.QueryEscape(p.config.Password)
+	password := escapeWithSpaces(p.config.Password)
 	return strings.Replace(s, password, "<password>", -1)
 }
 
@@ -186,3 +186,10 @@ func (p *PostProcessor) BuildArgs(source, ovftool_uri string) ([]string, error)
 
 	return args, nil
 }
+
+// Encode everything except for + signs
+func escapeWithSpaces(stringToEscape string) string {
+	escapedString := url.QueryEscape(stringToEscape)
+	escapedString = strings.Replace(escapedString, "+", `%20`, -1)
+	return escapedString
+}

post-processor/vsphere/post-processor_test.go

@@ -40,3 +40,34 @@ func TestArgs(t *testing.T) {
 
 	t.Logf("ovftool %s", strings.Join(args, " "))
 }
+
+func TestEscaping(t *testing.T) {
+	type escapeCases struct {
+		Input    string
+		Expected string
+	}
+
+	cases := []escapeCases{
+		{`this has spaces`, `this%20has%20spaces`},
+		{`exclaimation_!`, `exclaimation_%21`},
+		{`hash_#_dollar_$`, `hash_%23_dollar_%24`},
+		{`ampersand_&awesome`, `ampersand_%26awesome`},
+		{`single_quote_'_and_another_'`, `single_quote_%27_and_another_%27`},
+		{`open_paren_(_close_paren_)`, `open_paren_%28_close_paren_%29`},
+		{`asterisk_*_plus_+`, `asterisk_%2A_plus_%2B`},
+		{`comma_,slash_/`, `comma_%2Cslash_%2F`},
+		{`colon_:semicolon_;`, `colon_%3Asemicolon_%3B`},
+		{`equal_=question_?`, `equal_%3Dquestion_%3F`},
+		{`at_@`, `at_%40`},
+		{`open_bracket_[closed_bracket]`, `open_bracket_%5Bclosed_bracket%5D`},
+		{`user:password with $paces@host/name.foo`, `user%3Apassword%20with%20%24paces%40host%2Fname.foo`},
+	}
+	for _, escapeCase := range cases {
+		received := escapeWithSpaces(escapeCase.Input)
+
+		if escapeCase.Expected != received {
+			t.Errorf("Error escaping URL; expected %s got %s", escapeCase.Expected, received)
+		}
+	}
+
+}