Added support for multi-region catalog

OpenStack wrapper will read the 'region_name' from config, and use
the correct endpoint matching this region

Change-Id: I01049f3bed227eb1e11f9a1f7d338177e95aef34

src/openstack.js

@@ -83,10 +83,13 @@ export default class OpenStack {
    * @private
    */
   _getComponentConfigFor(name) {
+    const config = this.getConfig();
     return this._token
       .then((token) => this._keystone.then((keystone) => keystone.catalogList(token)))
       .then((catalog) => catalog.find((entry) => entry.name === name))
-      .then((entry) => entry.endpoints.find((endpoint) => endpoint.interface === 'public'));
+      .then((entry) => entry.endpoints.find((endpoint) => {
+        return endpoint.region === config.region_name && endpoint.interface === 'public';
+      }));
   }
 
 }

test/unit/helpers/data/keystone.js

@@ -253,6 +253,27 @@ const catalogListData = [
         region: "RegionOne",
         interface: "admin",
         id: "bd8db1bafe41489bbbc45641e525ee7d"
+      },
+      {
+        region_id: "RegionTwo",
+        url: "http://192.168.99.100:9696/",
+        region: "RegionTwo",
+        interface: "public",
+        id: "7033fa4ebed74e3fa51753162150a1f2"
+      },
+      {
+        region_id: "RegionTwo",
+        url: "http://192.168.99.100:9696/",
+        region: "RegionOne",
+        interface: "RegionTwo",
+        id: "7aa942d402a34d4c90454b9d84285855"
+      },
+      {
+        region_id: "RegionTwo",
+        url: "http://192.168.99.100:9696/",
+        region: "RegionTwo",
+        interface: "admin",
+        id: "bd8db1bafe41489bbbc45641e525ee7d"
       }
     ],
     type: "network",

test/unit/helpers/data/openstack.js

@@ -22,16 +22,21 @@
 /**
  * Mock cloud configuration that matches our test data below. This is not a full clouds.yaml
  * format, rather just the subsection pointing to a particular cloud.
+ * @param {String} regionName A region name to use
+ * @returns {{}} a cloud config object.
  */
-const cloudConfig = {
-  region_name: 'Region1',
-  auth: {
-    username: 'user',
-    password: 'pass',
-    project_name: 'js-openstack-lib',
-    auth_url: 'http://192.168.99.99/'
-  }
-};
+function cloudConfig(regionName = 'RegionOne') {
+  return {
+    region_name: regionName,
+    auth: {
+      username: 'user',
+      password: 'pass',
+      project_name: 'js-openstack-lib',
+      auth_url: 'http://192.168.99.99/'
+    }
+  };
+}
+
 export {
   cloudConfig as config,
 };

test/unit/openstackTest.js

@@ -11,7 +11,7 @@ describe("Simple test", () => {
   afterEach(fetchMock.restore);
 
   it("should export a class", () => {
-    let t = new OpenStack(openStackMockData.config);
+    let t = new OpenStack(openStackMockData.config());
     expect(t).toBeDefined();
   });
 
@@ -25,14 +25,14 @@ describe("Simple test", () => {
   });
 
   it("getConfig should returns the config", () => {
-    let openstack = new OpenStack(openStackMockData.config);
+    let openstack = new OpenStack(openStackMockData.config());
     let config = openstack.getConfig();
-    expect(config.region_name).toEqual('Region1');
+    expect(config.region_name).toEqual('RegionOne');
   });
 
   describe('networkList', () => {
     it('should fetch networkList from neutron', (done) => {
-      const openstack = new OpenStack(openStackMockData.config);
+      const openstack = new OpenStack(openStackMockData.config());
       const neutron = mockNeutron(openstack);
       const networksData = neutronMockData.networkList('token').response.networks;
 
@@ -50,7 +50,7 @@ describe("Simple test", () => {
   describe('_neutron', () => {
     it('creates Neutron instance with the correct endpoint', (done) => {
       const token = 'test_token';
-      const openstack = new OpenStack(openStackMockData.config);
+      const openstack = new OpenStack(openStackMockData.config());
       const keystone = mockKeystone(openstack);
       const catalogData = keystoneMockData.catalogList(token).response.catalog;
 
@@ -67,8 +67,26 @@ describe("Simple test", () => {
         .catch((error) => done.fail(error));
     });
 
+    it('creates Neutron instance for the correct endpoint', (done) => {
+      const token = 'test_token';
+      const openstack = new OpenStack(openStackMockData.config('RegionTwo'));
+      const keystone = mockKeystone(openstack);
+      const catalogData = keystoneMockData.catalogList(token).response.catalog;
+
+      spyOn(keystone, 'tokenIssue').and.returnValue(Promise.resolve(token));
+      spyOn(keystone, 'catalogList').and.returnValue(Promise.resolve(catalogData));
+
+      openstack._neutron
+        .then((neutron) => {
+          expect(neutron).toEqual(jasmine.any(Neutron));
+          expect(neutron.endpointUrl).toEqual('http://192.168.99.100:9696/');
+          done();
+        })
+        .catch((error) => done.fail(error));
+    });
+
     it('should cache Neutron instance and Keystone token', (done) => {
-      const openstack = new OpenStack(openStackMockData.config);
+      const openstack = new OpenStack(openStackMockData.config());
       const tokenIssueMock = keystoneMockData.tokenIssue();
       const catalogListMock = keystoneMockData.catalogList('test_token');
 
@@ -95,7 +113,7 @@ describe("Simple test", () => {
 
   describe('_token', () => {
     it('should fetch the token and cache it', (done) => {
-      const openstack = new OpenStack(openStackMockData.config);
+      const openstack = new OpenStack(openStackMockData.config());
       const keystone = mockKeystone(openstack);
 
       spyOn(keystone, 'tokenIssue').and.returnValue(Promise.resolve('test_token'));