add chassis

geant/gap_ansible/roles/base_config/templates/routers/nokia/chassis.j2

+  <chassis xmlns="urn:nokia.com:sros:ns:yang:sr:conf" xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns:nokia-attr="urn:nokia.com:sros:ns:yang:sr:attributes" alu:operation="replace">
+      <chassis-class>router</chassis-class>
+      {% for chassis in nokia_chassis %}
+      <chassis-number>{{chassis.chassis_id}}</chassis-number>
+      {%     for power_shelf in chassis.power_shelves %}
+      <power-shelf>
+          <power-shelf-id>{{ power_shelf.shelf_id}}</power-shelf-id>
+          <admin-state>enable</admin-state>
+          <power-shelf-type>{{ power_shelf.shelf_type }}</power-shelf-type>
+      {%        for power_module in power_shelf.power_modules %}
+          <power-module>
+              <power-module-id>{{power_module.power_module_id}}</power-module-id>
+              <admin-state>enable</admin-state>
+              <power-module-type>{{power_module.power_module_type}}</power-module-type>
+          </power-module>
+      {%        endfor %}
+      </power-shelf>
+      {%     endfor %}
+      {% endfor %}
+  </chassis>
+  <system>
+    <power-management xmlns="urn:nokia.com:sros:ns:yang:sr:conf" xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns:nokia-attr="urn:nokia.com:sros:ns:yang:sr:attributes" alu:operation="replace">
+        <power-zone>1</power-zone>
+        <mode>none</mode>
+        <power-safety-level>67</power-safety-level>
+    </power-management>
+  </system>