Merge pull request #807 from D3luxee/watch-datasource-sidecar

[grafana] make datasource sidecar watchMethod configurable

charts/grafana/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v2
 name: grafana
-version: 6.17.5
+version: 6.17.6
 appVersion: 8.2.3
-kubeVersion: '^1.8.0-0'
+kubeVersion: "^1.8.0-0"
 description: The leading tool for querying and visualizing time series and metrics.
 home: https://grafana.net
 icon: https://raw.githubusercontent.com/grafana/grafana/master/public/img/logo_transparent_400x.png

charts/grafana/templates/_pod.tpl

@@ -87,7 +87,7 @@ initContainers:
     imagePullPolicy: {{ .Values.sidecar.imagePullPolicy }}
     env:
       - name: METHOD
-        value: LIST
+        value: {{ .Values.sidecar.datasources.watchMethod }}
       - name: LABEL
         value: "{{ .Values.sidecar.datasources.label }}"
       {{- if .Values.sidecar.datasources.labelValue }}

charts/grafana/values.yaml

@@ -643,6 +643,8 @@ sidecar:
     # Otherwise the namespace in which the sidecar is running will be used.
     # It's also possible to specify ALL to search in all namespaces.
     searchNamespace: null
+    # Method to use to detect ConfigMap changes. With WATCH the sidecar will do a WATCH requests, with SLEEP it will list all ConfigMaps, then sleep for 60 seconds.
+    watchMethod: WATCH
     # search in configmap, secret or both
     resource: both
     # If specified, the sidecar will look for annotation with this name to create folder and put graph here.
@@ -674,6 +676,8 @@ sidecar:
     # Otherwise the namespace in which the sidecar is running will be used.
     # It's also possible to specify ALL to search in all namespaces
     searchNamespace: null
+    # Method to use to detect ConfigMap changes. With WATCH the sidecar will do a WATCH requests, with SLEEP it will list all ConfigMaps, then sleep for 60 seconds.
+    watchMethod: LIST
     # search in configmap, secret or both
     resource: both
   notifiers: