increase nginx body size limit (#192)

when uploading files from JupyterLab, the chunks sometimes are bigger
than the expected 1MB.
This increase the limit to 2MB, it should be enough.
Same change will be done in CP ingress

Co-authored-by: Emmanuel Pignot <emmanuel.pignot@netapp.com>

charts/bigdata-proxy/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: bigdata-proxy
 description: A Helm chart for the Spot Big Data Proxy
 type: application
-version: 0.4.5
+version: 0.4.6
 appVersion: 0.5.3
 home: https://github.com/spotinst/charts
 icon: https://docs.spot.io/_media/images/spot_mark.png

charts/bigdata-proxy/templates/ingress.yaml

@@ -13,6 +13,8 @@ metadata:
     nginx.ingress.kubernetes.io/auth-tls-secret: {{ printf "%s/%s" .Values.ingress.secretNamespace .Values.ingress.secretName }}
     # Override proxy timeout to give time for possible cluster scale up
     nginx.ingress.kubernetes.io/proxy-read-timeout: {{ .Values.ingress.readTimeout | quote }}
+    # Override body size to allow file uploads from JupyterLab(workspace)
+    nginx.ingress.kubernetes.io/proxy-body-size: {{ .Values.ingress.bodySize }}
 spec:
   ingressClassName: {{ .Values.ingress.ingressClassName }}
   rules:  

charts/bigdata-proxy/values.yaml

@@ -28,6 +28,7 @@ ingress:
   host: ""  # Overridden at deploy time
   secretNamespace: ""  # Overridden at deploy time
   secretName: ""  # Overridden at deploy time
+  bodySize: "2M"
 
 nameOverride: ""
 fullnameOverride: ""