From be84a39aa0c4c50a89193acec90471ef45c336fb Mon Sep 17 00:00:00 2001
From: Michael Kuzmin <michael.kuzmin@jetbrains.com>
Date: Sun, 23 Dec 2018 20:16:49 +0300
Subject: [PATCH] Support 'http_host' parameter (fix #184)

---
 clone/builder.go     |  2 +-
 common/config_ssh.go | 10 ++++++++--
 iso/builder.go       |  2 +-
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/clone/builder.go b/clone/builder.go
index 757e9b2c5..ec3356709 100644
--- a/clone/builder.go
+++ b/clone/builder.go
@@ -58,7 +58,7 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 			&common.StepWaitForIp{},
 			&communicator.StepConnect{
 				Config:    &b.config.Comm,
-				Host:      common.CommHost,
+				Host:      common.CommHost(b.config.Comm.SSHHost),
 				SSHConfig: common.SshConfig,
 			},
 			&packerCommon.StepProvision{},
diff --git a/common/config_ssh.go b/common/config_ssh.go
index cd9fdba1c..e1df13e54 100644
--- a/common/config_ssh.go
+++ b/common/config_ssh.go
@@ -9,8 +9,14 @@ import (
 	"io/ioutil"
 )
 
-func CommHost(state multistep.StateBag) (string, error) {
-	return state.Get("ip").(string), nil
+func CommHost(host string) func(multistep.StateBag) (string, error) {
+	return func(state multistep.StateBag) (string, error) {
+		if host != "" {
+			return host, nil
+		} else {
+			return state.Get("ip").(string), nil
+		}
+	}
 }
 
 func SshConfig(state multistep.StateBag) (*ssh.ClientConfig, error) {
diff --git a/iso/builder.go b/iso/builder.go
index cb21ef77d..991ea86ee 100644
--- a/iso/builder.go
+++ b/iso/builder.go
@@ -80,7 +80,7 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 			&common.StepWaitForIp{},
 			&communicator.StepConnect{
 				Config:    &b.config.Comm,
-				Host:      common.CommHost,
+				Host:      common.CommHost(b.config.Comm.SSHHost),
 				SSHConfig: common.SshConfig,
 			},
 			&packerCommon.StepProvision{},