disable IPv6 restconf test by default

test/lib.sh

@@ -42,8 +42,7 @@ if [ -f ./config.sh ]; then
 fi
 
 # Sanity nginx running on systemd platforms
-# ./lib.sh: line 45: systemctl: command not found
-if systemctl > /dev/null; then
+if systemctl > /dev/null 2>&1 ; then
     nginxactive=$(systemctl show nginx |grep ActiveState=active)
     if [ "${WITH_RESTCONF}" = "fcgi" ]; then
 	if [ -z "$nginxactive" ]; then

test/test_restconf.sh

@@ -10,6 +10,7 @@
 # - evhtp: generate self-signed server certs 
 # (3) IPv4/IPv6 (only loopback 127.0.0.1 / ::1)
 # - The tests runs through both
+# - IPv6 by default disabled since docker does not support it out-of-the box
 # (4) local/backend config. Evhtp only
 # - The tests runs through both (if compiled with evhtp)
 # See also test_restconf2.sh
@@ -21,6 +22,9 @@ APPNAME=example
 
 cfg=$dir/conf.xml
 
+# Must explicitly enable IPv6 testing
+: ${IPv6:=false}
+
 # Use yang in example
 
 cat <<EOF > $cfg
@@ -372,7 +376,11 @@ if [ "${WITH_RESTCONF}" = "evhtp" ]; then
     protos="$protos https"
 fi
 for proto in $protos; do
-    for addr in 127.0.0.1 "\[::1\]"; do
+    addrs="127.0.0.1"
+    if $IPv6 ; then
+	addrs="$addrs \[::1\]"
+    fi
+    for addr in $addrs; do
 	configs="local"
 	if [ "${WITH_RESTCONF}" = "evhtp" ]; then
 	    # backend config retrieval only implemented for evhtp