Merge pull request #37 from andybavier/master

Set up env for installing VOLTHA 2.3.0 release
diff --git a/releases/voltha-2.3 b/releases/voltha-2.3
new file mode 100644
index 0000000..40c062c
--- /dev/null
+++ b/releases/voltha-2.3
@@ -0,0 +1,13 @@
+# Source this file before running ./voltha up to install the VOLTHA 2.3.0 release
+
+export VOLTHA_CHART_VERSION=2.3.0
+export VOLTHA_BBSIM_CHART_VERSION=3.0.18
+export VOLTHA_ADAPTER_OPEN_OLT_CHART_VERSION=2.3.0
+export VOLTHA_ADAPTER_OPEN_ONU_CHART_VERSION=2.3.0
+export ONOS_CHART_VERSION=3.0.1
+
+# defaults.image_tag=null will use the image tags in the Helm charts rather than
+# kind-voltha's default which is 'master'.
+# Also we need to specify the tag for voltha/voltha-onos image since this is
+# not in the ONOS chart.
+export EXTRA_HELM_FLAGS="--set defaults.image_tag=null,images.onos.tag=4.0.1 "