Exposing log level in the helm-chart for single rw-core and openolt-adapter

Change-Id: I5027a1f2cee3246c695c5dab2c6823ab1294facd
diff --git a/voltha-adapter-openolt/Chart.yaml b/voltha-adapter-openolt/Chart.yaml
index 8b2e275..59cefde 100644
--- a/voltha-adapter-openolt/Chart.yaml
+++ b/voltha-adapter-openolt/Chart.yaml
@@ -17,5 +17,5 @@
 description: A Helm chart for Voltha OpenOLT Adapter
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.1.8
+version: 2.1.9
 appVersion: 2.2.3
diff --git a/voltha-adapter-openolt/templates/adapters-openolt.yaml b/voltha-adapter-openolt/templates/adapters-openolt.yaml
index 0ca0e10..f049cde 100644
--- a/voltha-adapter-openolt/templates/adapters-openolt.yaml
+++ b/voltha-adapter-openolt/templates/adapters-openolt.yaml
@@ -11,6 +11,23 @@
 # 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.
+{{- $log_level := 3 }}
+{{- $set_log_level := tpl .Values.adapter_open_olt.log_level . | upper }}
+{{- if eq $set_log_level "DEBUG" }}
+{{- $log_level = 0 }}
+{{- else if eq $set_log_level "INFO" }}
+{{- $log_level = 1 }}
+{{- else if eq $set_log_level "WARN" }}
+{{- $log_level = 2 }}
+{{- else if eq $set_log_level "ERROR" }}
+{{- $log_level = 3 }}
+{{- else if eq $set_log_level "PANIC" }}
+{{- $log_level = 4 }}
+{{- else if eq $set_log_level "FATAL" }}
+{{- $log_level = 5 }}
+{{- else }}
+{{- $log_level = 3 }}
+{{- end }}
 
 apiVersion: apps/v1
 kind: Deployment
@@ -71,6 +88,7 @@
             - "--core_topic=rwcore"
             - "--kv_store_host={{ .Values.services.etcd.service }}"
             - "--kv_store_port={{ .Values.services.etcd.port }}"
+            - "-log_level={{ $log_level }}"
             - "--probe_port=8080"
           livenessProbe:
             httpGet:
@@ -84,4 +102,3 @@
               port: 8080
             initialDelaySeconds: 10
             periodSeconds: 5
-
diff --git a/voltha-adapter-openolt/values.yaml b/voltha-adapter-openolt/values.yaml
index a6bed81..ce972d3 100644
--- a/voltha-adapter-openolt/values.yaml
+++ b/voltha-adapter-openolt/values.yaml
@@ -15,6 +15,7 @@
 ---
 # Default overrides
 defaults:
+  log_level: "WARN"
   image_registry: ""
   image_tag: ~
   image_org: "voltha/"
@@ -29,7 +30,7 @@
     cluster:
       service: voltha-kafka.voltha.svc.cluster.local
       port: 9092
-  
+
   # Define connectivity to etcd
   etcd:
     service: voltha-etcd-cluster-client.voltha.svc.cluster.local
@@ -39,6 +40,9 @@
 replicas:
   adapter_open_olt: 1
 
+adapter_open_olt:
+  log_level: '{{ .Values.defaults.log_level }}'
+
 images:
   adapter_open_olt:
     registry: '{{ .Values.defaults.image_registry }}'