Moving metro-net to vnaas and porting to 4.0

Change-Id: Id42bb247033087e5d28bcbab9db07d58e6364625
diff --git a/xos/gui/gulp_tasks/browsersync.js b/xos/gui/gulp_tasks/browsersync.js
new file mode 100755
index 0000000..0e4ada2
--- /dev/null
+++ b/xos/gui/gulp_tasks/browsersync.js
@@ -0,0 +1,39 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+const gulp = require('gulp');
+const browserSync = require('browser-sync');
+const spa = require('browser-sync-spa');
+
+const browserSyncConf = require('../conf/browsersync.conf');
+const browserSyncDistConf = require('../conf/browsersync-dist.conf');
+
+browserSync.use(spa());
+
+gulp.task('browsersync', browserSyncServe);
+gulp.task('browsersync:dist', browserSyncDist);
+
+function browserSyncServe(done) {
+  browserSync.init(browserSyncConf());
+  done();
+}
+
+function browserSyncDist(done) {
+  browserSync.init(browserSyncDistConf());
+  done();
+}
diff --git a/xos/gui/gulp_tasks/karma.js b/xos/gui/gulp_tasks/karma.js
new file mode 100755
index 0000000..9955d1a
--- /dev/null
+++ b/xos/gui/gulp_tasks/karma.js
@@ -0,0 +1,45 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+const path = require('path');
+
+const gulp = require('gulp');
+const karma = require('karma');
+
+gulp.task('karma:single-run', karmaSingleRun);
+gulp.task('karma:auto-run', karmaAutoRun);
+
+function karmaFinishHandler(done) {
+  return failCount => {
+    done(failCount ? new Error(`Failed ${failCount} tests.`) : null);
+  };
+}
+
+function karmaSingleRun(done) {
+  process.env.NODE_ENV = 'test';
+  const configFile = path.join(process.cwd(), 'conf', 'karma.conf.js');
+  const karmaServer = new karma.Server({configFile}, karmaFinishHandler(done));
+  karmaServer.start();
+}
+
+function karmaAutoRun(done) {
+  process.env.NODE_ENV = 'test';
+  const configFile = path.join(process.cwd(), 'conf', 'karma-auto.conf.js');
+  const karmaServer = new karma.Server({configFile}, karmaFinishHandler(done));
+  karmaServer.start();
+}
diff --git a/xos/gui/gulp_tasks/misc.js b/xos/gui/gulp_tasks/misc.js
new file mode 100755
index 0000000..2c9fbb0
--- /dev/null
+++ b/xos/gui/gulp_tasks/misc.js
@@ -0,0 +1,56 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+const path = require('path');
+
+const gulp = require('gulp');
+const del = require('del');
+const filter = require('gulp-filter');
+const rename = require('gulp-rename');
+const replace = require('gulp-replace');
+
+const conf = require('../conf/gulp.conf');
+
+gulp.task('clean', clean);
+gulp.task('other', other);
+
+function clean() {
+  return del([`${conf.paths.dist}/*`, conf.paths.tmp]);
+}
+
+function other() {
+  const fileFilter = filter(file => file.stat.isFile());
+
+  return gulp.src([
+    path.join(conf.paths.src, '/**/*'),
+    path.join(`!${conf.paths.src}`, '/**/*.{scss,ts,html}')
+  ])
+    .pipe(fileFilter)
+    .pipe(gulp.dest(conf.paths.dist));
+}
+
+function other() {
+  const fileFilter = filter(file => file.stat.isFile());
+
+  return gulp.src([
+    path.join(conf.paths.src, '/**/*'),
+    path.join(`!${conf.paths.src}`, '/**/*.{scss,ts,html}')
+  ])
+    .pipe(fileFilter)
+    .pipe(gulp.dest(conf.paths.dist));
+}
diff --git a/xos/gui/gulp_tasks/webpack.js b/xos/gui/gulp_tasks/webpack.js
new file mode 100755
index 0000000..ccb64c0
--- /dev/null
+++ b/xos/gui/gulp_tasks/webpack.js
@@ -0,0 +1,67 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+const gulp = require('gulp');
+const gutil = require('gulp-util');
+
+const webpack = require('webpack');
+const webpackConf = require('../conf/webpack.conf');
+const webpackDistConf = require('../conf/webpack-dist.conf');
+const gulpConf = require('../conf/gulp.conf');
+const browsersync = require('browser-sync');
+
+gulp.task('webpack:dev', done => {
+  webpackWrapper(false, webpackConf, done);
+});
+
+gulp.task('webpack:watch', done => {
+  webpackWrapper(true, webpackConf, done);
+});
+
+gulp.task('webpack:dist', done => {
+  process.env.NODE_ENV = 'production';
+  webpackWrapper(false, webpackDistConf, done);
+});
+
+function webpackWrapper(watch, conf, done) {
+  const webpackBundler = webpack(conf);
+
+  const webpackChangeHandler = (err, stats) => {
+    if (err) {
+      gulpConf.errorHandler('Webpack')(err);
+    }
+    gutil.log(stats.toString({
+      colors: true,
+      chunks: false,
+      hash: false,
+      version: false
+    }));
+    if (done) {
+      done();
+      done = null;
+    } else {
+      browsersync.reload();
+    }
+  };
+
+  if (watch) {
+    webpackBundler.watch(200, webpackChangeHandler);
+  } else {
+    webpackBundler.run(webpackChangeHandler);
+  }
+}