Merge pull request #1840 from karloramone/operator-deployment-chart

Possibility to add strategy and topologySpreadConstraints to the operator

README.md

@@ -98,7 +98,7 @@ If you encounter problems while using the Logging operator the documentation doe
 If you find this project useful, help us:
 
 - Support the development of this project and star this repo! :star:
-- If you use the Logging operator in a production environment, add yourself to the list of production [adopters](https://github.com/kube-logging/logging-operator/blob/master/ADOPTERS.md).:metal: <br> 
+- If you use the Logging operator in a production environment, add yourself to the list of production [adopters](https://github.com/kube-logging/logging-operator/blob/master/ADOPTERS.md). :metal: <br> 
 - Help new users with issues they may encounter :muscle:
 - Send a pull request with your new features and bug fixes :rocket: 
 

charts/logging-operator/README.md

@@ -65,6 +65,8 @@ Use `createCustomResource=false` with Helm v3 to avoid trying to create CRDs fro
 | nodeSelector | object | `{}` |  |
 | tolerations | list | `[]` | Node Tolerations |
 | affinity | object | `{}` | Node Affinity |
+| topologySpreadConstraints | list | `[]` | Pod Topology Spread Constraints |
+| strategy | object | `{}` | Deployment Strategy |
 | podLabels | object | `{}` | Define which Nodes the Pods are scheduled on. |
 | logging.enabled | bool | `false` | Logging resources are disabled by default |
 | logging.loggingRef | string | `""` | Reference to the logging system. Each of the loggingRefs can manage a fluentbit daemonset and a fluentd statefulset. |

charts/logging-operator/templates/deployment.yaml

@@ -11,6 +11,10 @@ spec:
     matchLabels:
       app.kubernetes.io/name: {{ include "logging-operator.name" . }}
       app.kubernetes.io/instance: {{ .Release.Name }}
+{{- if .Values.strategy }}
+  strategy:
+    {{- toYaml .Values.strategy | nindent 4 }}
+{{- end }}
   template:
     metadata:
       labels:
@@ -77,3 +81,7 @@ spec:
     {{- else if .Values.rbac.enabled }}
       serviceAccountName: {{ include "logging-operator.fullname" . }}
     {{- end }}
+    {{- if .Values.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        {{- toYaml .Values.topologySpreadConstraints | nindent 8 }}
+    {{- end }}

charts/logging-operator/values.yaml

@@ -117,6 +117,12 @@ tolerations: []
 # -- Node Affinity
 affinity: {}
 
+# -- Pod Topology Spread Constraints
+topologySpreadConstraints: []
+
+# -- Deployment Strategy
+strategy: {}
+
 # -- Define which Nodes the Pods are scheduled on.
 podLabels: {}