Add External Interface NBI project into OOM

NBI (North Bound Interface) is one of the new project added for Beijing
release.

Features added
==============

MongoDB common chart
--------------------

Ability to start a mongo container, with a chart consistent with other
common charts (readiness, liveness, persistence, resources, nfs,
service, ...).

Specific configuration:
  * name of the db to create if needed

NBI chart
---------

Ability to start a mariadb container, with a chart consistent with other
common charts (readiness, liveness, persistence, resources, nfs,
service, ...).

Specific configuration:
  * name of the db to create if needed
  * name of the user that has access to the db
  * password of the user that has access to the db
  * root password of the database

Ability to start a NBI container, with a chart consistent with other
common charts (readiness, liveness, persistence, resources, nfs,
service, ...).

Specific configuration:
  * log level
  * cloudOwner
  * ecompInstanceId
  * openStackRegion
  * openStackServiceTenantName
  * sdc_authorization
  * aai_authorization
  * so_authorization

ONAP chart
----------

Added a requirement on NBI chart, possibility to enable/disable and
configuration to push to the chart.

Current Status
==============

- [*] adding a common chart for mongodb
- [*] make mongo chart compiling
- [*] testing the mongodb common role
- [*] creating a mariadb chart inside nbi helm
- [*] testing the mariadb chart
- [*] make mariadb chart compiling
- [*] make nbi use these charts
- [*] make nbi chart compiling
- [*] test the whole solution
- [*] create a service for nbi

Change-Id: I8dd3e79768c83b1553a05c892cf418f840931255
Issue-ID: EXTAPI-54
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
diff --git a/kubernetes/nbi/charts/mariadb/requirements.yaml b/kubernetes/nbi/charts/mariadb/requirements.yaml
new file mode 100644
index 0000000..f639633
--- /dev/null
+++ b/kubernetes/nbi/charts/mariadb/requirements.yaml
@@ -0,0 +1,21 @@
+# Copyright © 2017 Amdocs, Bell Canada
+#
+# 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.
+
+dependencies:
+  - name: common
+    version: ~2.0.0
+    # local reference to common chart, as it is
+    # a part of this chart's package and will not
+    # be published independently to a repo (at this point)
+    repository: '@local'