VOL-642: Installation of VOLT-HA in a Kubernetes cluster

- Changed existing installer to support swarm and kubernetes
- Using kubespray as the base framework to deploy kubernetes
- Implemented config/deploy/teardown tasks for voltha

Amendments:

- Changed from python to python3 when running the inventory builder

Change-Id: I059fd348b9a749397b373e333b5602944c817745
diff --git a/install/ansible/roles/voltha-kubernetes/templates/ponsim_bridge.j2 b/install/ansible/roles/voltha-kubernetes/templates/ponsim_bridge.j2
new file mode 100644
index 0000000..6ddcfbd
--- /dev/null
+++ b/install/ansible/roles/voltha-kubernetes/templates/ponsim_bridge.j2
@@ -0,0 +1,15 @@
+{
+    "name": "pon0",
+    "type": "bridge",
+    "bridge": "pon0",
+    "isGateway": true,
+    "ipMask": true,
+    "ipam": {
+        "type": "host-local",
+        "subnet": "10.22.0.0/16",
+        "routes": [
+          { "dst": "0.0.0.0/0" }
+        ]
+    }
+}
+