From 73d5593242798f868fcb0f80bc9daf853a7fae7d Mon Sep 17 00:00:00 2001
From: Brian Hicks <brian@brianthicks.com>
Date: Tue, 27 Dec 2016 11:41:52 -0600
Subject: [PATCH] provisioner(converge): add validate for source and
 destination

---
 provisioner/converge/provisioner.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/provisioner/converge/provisioner.go b/provisioner/converge/provisioner.go
index f00e04d82..57e08ad07 100644
--- a/provisioner/converge/provisioner.go
+++ b/provisioner/converge/provisioner.go
@@ -53,6 +53,19 @@ func (p *Provisioner) Prepare(raws ...interface{}) error {
 		},
 		raws...,
 	)
+	if err != nil {
+		return err
+	}
+
+	// validate sources and destinations
+	for i, dir := range p.config.ModuleDirs {
+		if dir.Source == "" {
+			return fmt.Errorf("Source (\"source\" key) is required in Converge module dir #%d", i)
+		}
+		if dir.Destination == "" {
+			return fmt.Errorf("Destination (\"destination\" key) is required in Converge module dir #%d", i)
+		}
+	}
 
 	return err
 }