update readme with flags documentation

README.md

@@ -290,6 +290,15 @@ helm upgrade ccm-linode --install --set apiToken=$LINODE_API_TOKEN,region=$REGIO
 ```
 _See [helm upgrade](https://helm.sh/docs/helm/helm_upgrade/) for command documentation._
 
+### Flags
+If required, ccm-linode can be started with following linode specific parameters:
+
+Key | Values | Default | Description
+---|---|---|---
+`linodego-debug` | `boolean` | `false` | enables debug output for the LinodeAPI wrapper.
+`linode-node-private-subnet` | `net.IPNet` | `192.168.128.0/17` | specifies backend network to use with nodebalancers.
+
+
 ### Configurations
 There are other variables that can be set to a different value. For list of all the modifiable variables/values, take a look at './deploy/chart/values.yaml'.
 

deploy/chart/templates/daemonset.yaml

@@ -33,9 +33,12 @@ spec:
             - --v=3
             - --port=0
             - --secure-port=10253
+            {{- if .Values.linodegoDebug }}
+            - --linodego-debug={{ .Values.linodegoDebug }}
+            {{- end }}
             {{- if .Values.linodeNodePrivateSubnet }}
             - --linode-node-private-subnet={{ .Values.linodeNodePrivateSubnet }}
-            {{- end}}
+            {{- end }}
           volumeMounts:
             - mountPath: /etc/kubernetes
               name: k8s

deploy/chart/values.yaml

@@ -22,6 +22,9 @@ image:
   tag:  # only set if required, defaults to .Chart.AppVersion set during release or "latest" by default
   pullPolicy: Always
 
+# enable debug output for the LinodeAPI wrapper
+# linodegoDebug: false
+
 # Set only if one wants to change the default backend network(192.168.128.0/17) to be configured with nodebalancers
 # linodeNodePrivateSubnet: "192.168.128.0/17"