Add ability to add tolerations and affinity in helm chart (#52)

README.md

@@ -25,6 +25,7 @@ helm upgrade --install my-deployment k8s-ephemeral-storage-metrics/k8s-ephemeral
 
 | Key | Type | Default | Description |
 |-----|------|---------|-------------|
+| affinity | object | `{}` |  |
 | deploy_type | string | `"Deployment"` | Set as Deployment for single controller to query all nodes or Daemonset |
 | dev | object | `{"enabled":false,"image":{"imagePullPolicy":"IfNotPresent"}}` | For local development of kind and/or deploy grow and shrink test pods |
 | image.imagePullPolicy | string | `"IfNotPresent"` |  |
@@ -44,6 +45,7 @@ helm upgrade --install my-deployment k8s-ephemeral-storage-metrics/k8s-ephemeral
 | podAnnotations | object | `{}` |  |
 | prometheus.enable | bool | `true` |  |
 | prometheus.release | string | `"kube-prometheus-stack"` |  |
+| tolerations | object | `[]` |  |
 
 ## Contribute
 

chart/README.md

@@ -10,6 +10,7 @@ helm upgrade --install my-deployment k8s-ephemeral-storage-metrics/k8s-ephemeral
 
 | Key | Type | Default | Description |
 |-----|------|---------|-------------|
+| affinity | object | `{}` |  |
 | deploy_type | string | `"Deployment"` | Set as Deployment for single controller to query all nodes or Daemonset |
 | dev | object | `{"enabled":false,"image":{"imagePullPolicy":"IfNotPresent"}}` | For local development of kind and/or deploy grow and shrink test pods |
 | image.imagePullPolicy | string | `"IfNotPresent"` |  |
@@ -29,6 +30,7 @@ helm upgrade --install my-deployment k8s-ephemeral-storage-metrics/k8s-ephemeral
 | podAnnotations | object | `{}` |  |
 | prometheus.enable | bool | `true` |  |
 | prometheus.release | string | `"kube-prometheus-stack"` |  |
+| tolerations | object | `[]` |  |
 
 ## Contribute
 

chart/templates/DeployType.yaml

@@ -22,6 +22,14 @@ spec:
       serviceAccountName: k8s-ephemeral-storage-metrics
       nodeSelector:
       {{- toYaml .Values.nodeSelector | nindent 8 }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       containers:
         - name: metrics
           image: {{ .Values.image.repository }}:{{ .Values.image.tag }}

chart/values.yaml

@@ -39,4 +39,8 @@ dev:
 
 podAnnotations: {}
 
-nodeSelector: {}
+nodeSelector: {}
+
+affinity: {}
+
+tolerations: []