Move hasIPv6 into sysinfo

src/reverseproxy.js

@@ -52,6 +52,7 @@ var acme2 = require('./cert/acme2.js'),
     rimraf = require('rimraf'),
     safe = require('safetydance'),
     shell = require('./shell.js'),
+    sysinfo = require('./sysinfo.js'),
     users = require('./users.js'),
     util = require('util');
 
@@ -388,7 +389,7 @@ function writeAdminNginxConfig(bundle, configFileName, vhost, callback) {
         sourceDir: path.resolve(__dirname, '..'),
         adminOrigin: config.adminOrigin(),
         vhost: vhost, // if vhost is empty it will become the default_server
-        hasIPv6: config.hasIPv6(),
+        hasIPv6: sysinfo.hasIPv6(),
         endpoint: 'admin',
         certFilePath: bundle.certFilePath,
         keyFilePath: bundle.keyFilePath,
@@ -451,7 +452,7 @@ function writeAppNginxConfig(app, bundle, callback) {
         sourceDir: sourceDir,
         adminOrigin: config.adminOrigin(),
         vhost: app.fqdn,
-        hasIPv6: config.hasIPv6(),
+        hasIPv6: sysinfo.hasIPv6(),
         port: app.httpPort,
         endpoint: endpoint,
         certFilePath: bundle.certFilePath,
@@ -481,7 +482,7 @@ function writeAppRedirectNginxConfig(app, fqdn, bundle, callback) {
         sourceDir: path.resolve(__dirname, '..'),
         vhost: fqdn,
         redirectTo: app.fqdn,
-        hasIPv6: config.hasIPv6(),
+        hasIPv6: sysinfo.hasIPv6(),
         endpoint: 'redirect',
         certFilePath: bundle.certFilePath,
         keyFilePath: bundle.keyFilePath,