Configurable shield credentials for tests

While there are still hardcoded defaults, this change allows people to
specify custom credentials via environment variables for each shield
role in our tests.

test/serverConfig.js

@@ -1,3 +1,5 @@
+var shield = require('./shield');
+
 var kibanaURL = '/app/kibana';
 
 module.exports = {
@@ -11,13 +13,13 @@ module.exports = {
       protocol: process.env.TEST_UI_KIBANA_PROTOCOL || 'http',
       hostname: process.env.TEST_UI_KIBANA_HOSTNAME || 'localhost',
       port: parseInt(process.env.TEST_UI_KIBANA_PORT, 10) || 5620,
-      auth: 'user:notsecure'
+      auth: shield.kibanaUser.username + ':' + shield.kibanaUser.password
     },
     elasticsearch: {
       protocol: process.env.TEST_UI_ES_PROTOCOL || 'http',
       hostname: process.env.TEST_UI_ES_HOSTNAME || 'localhost',
       port: parseInt(process.env.TEST_UI_ES_PORT, 10) || 9220,
-      auth: 'admin:notsecure'
+      auth: shield.admin.username + ':' + shield.admin.password
     }
   },
   apps: {

test/shield.js

@@ -0,0 +1,16 @@
+const env = process.env;
+
+exports.kibanaUser = {
+  username: env.SHIELD_KIBANA_USER || 'user',
+  password: env.SHIELD_KIBANA_USER_PASS || 'notsecure'
+};
+
+exports.kibanaServer = {
+  username: env.SHIELD_KIBANA_SERVER || 'kibana',
+  password: env.SHIELD_KIBANA_SERVER_PASS || 'notsecure'
+};
+
+exports.admin = {
+  username: env.SHIELD_ADMIN || 'admin',
+  password: env.SHIELD_ADMIN_PASS || 'notsecure'
+};

test/utils/kbn_server.js

@@ -1,6 +1,7 @@
 import { defaultsDeep, set } from 'lodash';
 import requirefrom from 'requirefrom';
 import { header as basicAuthHeader } from './base_auth';
+import { kibanaUser, kibanaServer } from '../shield';
 
 const src = requirefrom('src');
 const KbnServer = src('server/KbnServer');
@@ -26,8 +27,8 @@ const SERVER_DEFAULTS = {
   },
   elasticsearch: {
     url: 'http://localhost:9210',
-    username: 'kibana',
-    password: 'notsecure'
+    username: kibanaServer.username,
+    password: kibanaServer.password
   }
 };
 
@@ -46,7 +47,8 @@ export function createServer(params = {}) {
  * Creates request configuration with a basic auth header
  */
 export function authOptions() {
-  const authHeader = basicAuthHeader('user', 'notsecure');
+  const { username, password } = kibanaUser;
+  const authHeader = basicAuthHeader(username, password);
   return set({}, 'headers.Authorization', authHeader);
 };