[SEBA-220]

Fix docs after unification of Kafka busses and removal of voltha-kafka

Change-Id: I69ecf1544cbc891beb1ccd4a8b5fabf392d88e3a
diff --git a/charts/kafka.md b/charts/kafka.md
index 99cfe0e..26d4645 100644
--- a/charts/kafka.md
+++ b/charts/kafka.md
@@ -3,13 +3,14 @@
 The `kafka` helm chart is not maintained by CORD,
 but it is available online at: <https://github.com/kubernetes/charts/tree/master/incubator/kafka>
 
-To install kafka you can use:
+To install kafka using the `cord-kafka` name, run the following commands:
 
 ```shell
 helm repo add incubator http://storage.googleapis.com/kubernetes-charts-incubator
 helm install -f examples/kafka-single.yaml --version 0.8.8 -n cord-kafka incubator/kafka
-helm install -f examples/kafka-single.yaml --version 0.8.8 -n voltha-kafka incubator/kafka
 ```
+> NOTE: Historically there were two kafka busses deployed (another one named
+> `voltha-kafka`) but these have been consolidated.
 
 ## Viewing events with kafkacat
 
@@ -17,30 +18,39 @@
 that to listen for events:
 
 ```shell
-helm install -n kafkacat xos-tools/kafkacat/
+cd helm-charts
+helm install -n kafkacat xos-tools/kafkacat
 ```
 
-Once the container is up and running you can exec into the pod and use various
-commands.  For a complete reference, please refer to the [`kafkacat`
+Once the container is up and running you can exec into the pod and run kafkacat
+to perform various diagnostic commands.
+
+```shell
+kubectl exec -it kafkacat-##########-##### bash
+```
+
+For a complete reference, please refer to the [`kafkacat`
 guide](https://github.com/edenhill/kafkacat)
 
  A few examples:
 
 - List available topics:
   ```shell
-  kafkacat -L -b <kafka-service>
+  kafkacat -b cord-kafka -L
   ```
 
 - Listen for events on a particular topic:
   ```shell
-  kafkacat -C -b <kafka-service> -t <kafka-topic>
+  kafkacat -b cord-kafka -C -t <kafka-topic>
   ```
 
-- Some common topics to listen for on `cord-kafka` and `voltha-kafka`:
+- Some example topics to listen on:
 
   ```shell
-  kafkacat -b cord-kafka -t onu.events
-  kafkacat -b cord-kafka -t authentication.events
-  kafkacat -b cord-kafka -t dhcp.events
-  kafkacat -b voltha-kafka -t voltha.events
+  kafkacat -b cord-kafka -C -t xos.log.core
+  kafkacat -b cord-kafka -C -t xos.gui_events
+  kafkacat -b cord-kafka -C -t voltha.events
+  kafkacat -b cord-kafka -C -t onu.events
+  kafkacat -b cord-kafka -C -t authentication.events
+  kafkacat -b cord-kafka -C -t dhcp.events
   ```
diff --git a/charts/logging-monitoring.md b/charts/logging-monitoring.md
index 8b80de4..01dcfcb 100644
--- a/charts/logging-monitoring.md
+++ b/charts/logging-monitoring.md
@@ -16,7 +16,7 @@
 ```
 
 > NOTE: In order to display `voltha` kpis you need to have `voltha`
-> and `voltha-kafka` installed.
+> and `cord-kafka` installed.
 
 ### Monitoring Dashboards
 
diff --git a/charts/voltha.md b/charts/voltha.md
index 03169b5..cfe0569 100644
--- a/charts/voltha.md
+++ b/charts/voltha.md
@@ -1,7 +1,7 @@
 # Deploy VOLTHA
 
 VOLTHA depends on having a [kafka message bus](kafka.md) deployed with a name
-of `voltha-kafka`, so deploy that with helm before deploying the voltha chart.
+of `cord-kafka`, so deploy that with helm before deploying the voltha chart.
 
 
 ## First Time Installation
diff --git a/profiles/rcord/workflows/att.md b/profiles/rcord/workflows/att.md
index 4e889bb..90a2556 100644
--- a/profiles/rcord/workflows/att.md
+++ b/profiles/rcord/workflows/att.md
@@ -8,7 +8,6 @@
 
 - [xos-core](../../../charts/xos-core.md)
 - [cord-kafka](../../../charts/kafka.md)
-- [voltha-kafka](../../../charts/voltha.md)
 - [voltha](../../../charts/voltha.md)
 - [onos](../../../charts/onos.md#generic-onos)
 - att-workflow