From 5258d9797ffe10e71b8efb2243352ddc9625f4ce Mon Sep 17 00:00:00 2001
From: Alexander Zigelski <alexander.zigelski@storyxag.com>
Date: Thu, 16 Nov 2017 20:31:24 +0100
Subject: [PATCH] use rancher metadata service to get ip on rancher

---
 nginx.tmpl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nginx.tmpl b/nginx.tmpl
index 5147fee..2cb94bc 100644
--- a/nginx.tmpl
+++ b/nginx.tmpl
@@ -1,6 +1,7 @@
 {{ $CurrentContainer := where $ "ID" .Docker.CurrentContainerID | first }}
 
 {{ define "upstream" }}
+	{{ $rancherIP := or (index .Container.Labels "io.rancher.container.ip") "" }}
 	{{ if .Address }}
 		{{/* If we got the containers from swarm and this container's port is published to host, use host IP:PORT */}}
 		{{ if and .Container.Node.ID .Address.HostPort }}
@@ -11,6 +12,10 @@
 			# {{ .Container.Name }}
 			server {{ .Network.IP }}:{{ .Address.Port }};
 		{{ end }}
+	{{ else if $rancherIP }}
+		# rancher: {{ index .Container.Labels "io.rancher.container.name" }} {{ printf "%s" $rancherIP }}
+		{{ $port := coalesce .Container.Env.VIRTUAL_PORT "80" }}
+		server {{ printf "%s" (index (splitN $rancherIP "/" 2) 0) }}:{{ printf "%s" $port }};
 	{{ else if .Network }}
 		# {{ .Container.Name }}
 		server {{ .Network.IP }} down;