From 5c0317d240eb392c1a0a4f1713fc037edde3f395 Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Wed, 28 Nov 2018 19:13:27 +0100
Subject: [PATCH] new: dev: provide ``get_container_network_ips`` to charms

---
 bin/compose-core | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/bin/compose-core b/bin/compose-core
index 21232c4..648f689 100755
--- a/bin/compose-core
+++ b/bin/compose-core
@@ -774,6 +774,24 @@ get_running_containers_for_service() {
 export -f get_running_containers_for_service
 
 
+get_container_network_ips() {
+    local container="$1"
+    docker inspect "$container" \
+           --format='{{range $key, $val :=.NetworkSettings.Networks}}{{$key}}{{"\x00"}}{{$val.IPAddress}}{{"\x00"}}{{end}}'
+}
+export -f get_container_network_ips
+
+
+get_container_network_ip() {
+    local container="$1"
+    while read-0 network ip; do
+        printf "%s\0" "$network" "$ip"
+        break
+    done < <(get_container_network_ips "$container")
+}
+export -f get_container_network_ip
+
+
 ##
 ## Internal Process
 ##