Support setting elasticsearch bind host for tests

.travis.yml

@@ -11,8 +11,8 @@ before_cache:
 sudo: false
 secure: "UFAGQ6m/VnEahbj9vttY9YoA5h5rEBE6K7AvEEbWnt+VKppV+w3hu3HZxgKr8C9PWhCzqlGvsLh+kCqykZhISU1fBCK/Ttp3nSpMvvF5tI2u51Rj1qZ/7NUGRU0qVI9KFt0rJeXMJwq3fivb1H6aojfPD1gsIte7NHNjUfd0iUg="
 env:
-  - ES_REF=2.0 RUN=NODE_INTEGRATION
-  - ES_REF=2.0 RUN=NODE_UNIT,CHECK_COVERAGE,SAUCE_LABS
+  - ES_HOST=0.0.0.0 ES_RELEASE=1.7.1 RUN=NODE_INTEGRATION
+  - ES_HOST=0.0.0.0 ES_RELEASE=1.7.1 RUN=NODE_UNIT,CHECK_COVERAGE,SAUCE_LABS
 script: node ./scripts/ci.js
 email:
   recipients:

grunt/config/esvm.js

@@ -5,6 +5,7 @@ var fromRoot = require('path').join.bind(null, __dirname, '..', '..');
 var release = process.env.ES_RELEASE;
 var ref = process.env.ES_REF;
 var port = parseFloat(_.get(process.env, 'ES_PORT', 9400));
+var host = _.get(process.env, 'ES_HOST', 'localhost');
 
 var Version = require('../../scripts/Version');
 var versionedOpts = [
@@ -18,7 +19,7 @@ var versionedOpts = [
       'node.name': 'elasticsearch_js_test_runner',
       'cluster.name': 'elasticsearch_js_test_runners',
       'http.port': port,
-      'network.host': 'localhost',
+      'network.host': host,
       'discovery.zen.ping.multicast.enabled': false
     }
   },

grunt/tasks.js

@@ -20,6 +20,7 @@ module.exports = function (grunt) {
     var branches = branch ? [branch] : utils.branches;
 
     process.env.ES_PORT = process.env.ES_PORT || 9400;
+    process.env.ES_HOST = process.env.ES_HOST || 'localhost';
     branches.forEach(function (branch) {
       tasks.push(
         'esvm:' + branch,

scripts/ci.js

@@ -6,6 +6,7 @@
  *  ES_REF - the ES branch/tag we should use to generate the tests and download es
  *  ES_RELEASE - a specific ES release to download in use for testing
  *  ES_PORT - the port number we should run elasticsearch on
+ *  ES_HOST - the hostname elasticsearch should bind to
  *  ES_V - a version identifier used by jenkins. don't use this
  *
  * Tasks:
@@ -152,6 +153,7 @@ execTask('SETUP', function () {
       throw new Error('Unable to run the ci script without at least an ES_REF or ES_RELEASE environment var.');
 
     log('ES_PORT:', ENV.ES_PORT = parseInt(ENV.ES_PORT || 9400, 10));
+    log('ES_HOST:', ENV.ES_HOST = ENV.ES_HOST || 'localhost');
 
     if (ver[0]) log('ES_REF:', ENV.ES_REF = ver[0]);
     else delete ENV.ES_REF;

test/integration/yaml_suite/client_manager.js

@@ -23,7 +23,7 @@ var client = null;
 var externalExists;
 
 module.exports = {
-  create: function create(apiVersion, port, cb) {
+  create: function create(apiVersion, port, host, cb) {
     // create a client and ping the server for up to 15 seconds
     doCreateClient({
       logConfig: null
@@ -40,7 +40,7 @@ module.exports = {
             setTimeout(ping, timeout);
           } else if (err) {
             cb(new Error('unable to establish contact with ES at ' + JSON.stringify({
-              host: 'localhost',
+              host: host,
               port: port,
               err: err
             })));
@@ -92,7 +92,7 @@ module.exports = {
         apiVersion: apiVersion,
         hosts: [
           {
-            host: 'localhost',
+            host: host,
             port: port
           }
         ],

test/integration/yaml_suite/run.js

@@ -10,6 +10,7 @@ module.exports = function (branch) {
   var clientManager = require('./client_manager');
 
   var port = parseInt(process.env.ES_PORT || 9200, 10);
+  var host = process.env.ES_HOST || 'localhost';
   var _release = branch.match(/^v(\d+\.\d+)\.\d+$/);
   var apiVersion = _release ? _release[1] : branch;
 
@@ -23,7 +24,7 @@ module.exports = function (branch) {
     // before running any tests...
     before(function (done) {
       this.timeout(5 * 60 * 1000);
-      clientManager.create(apiVersion, port, done);
+      clientManager.create(apiVersion, port, host, done);
     });
 
     before(function () {