VOL-2341 Container to dump voltha events in a human-readable format

Change-Id: I4cdfdeb249bd002907e8c91ab85fdc5486d18a5f
diff --git a/voltha/voltha-kafka-dump/voltha-dump-events.sh b/voltha/voltha-kafka-dump/voltha-dump-events.sh
new file mode 100755
index 0000000..906d4bb
--- /dev/null
+++ b/voltha/voltha-kafka-dump/voltha-dump-events.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+# Copyright 2019-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.
+
+# If the --binary flag is used then binary output will be printed.
+# Otherwise, human-readable output is printed.
+
+if [[ $* == *--binary* ]]; then
+  kafkacat -u -C -b voltha-kafka.voltha -t voltha.events -D "" -o beginning -e
+else
+  kafkacat -u -C -b voltha-kafka.voltha -t voltha.events -D "" -o beginning -e | protoc --decode=voltha.Event /opt/voltha-kafka-dump/voltha-protos/protos/voltha_protos/events.proto -I /opt/voltha-kafka-dump/voltha-protos/protos
+fi