Merge pull request #71 from ndustrialio/DEVOPS-1191

Expose topologySpreadConstraints

Author: skmannion

ndustrial/deployment/Chart.yaml

@@ -13,5 +13,5 @@ maintainers:
   - email: [email protected]
     name: DevOps
 # Please make sure that version and appVersion are always the same.
-version: 0.1.64
-appVersion: 0.1.64
+version: 0.1.65
+appVersion: 0.1.65

ndustrial/deployment/README.md

@@ -76,7 +76,6 @@ When this chart is bumped, the `nio-api` chart should also be bumped to pull in
 | `updateStrategy.rollingUpdate`       | Deployment deployment rolling update configuration parameters | `{}`            |
 | `terminationGracePeriodSeconds`      | Deployment deployment termination Grace Period Seconds        | `30`            |
 
-
 ### Service parameters
 
 | Name                               | Description                                                               | Value       |
@@ -175,6 +174,8 @@ When this chart is bumped, the `nio-api` chart should also be bumped to pull in
 | `containerSecurityContext.enabled`      | Enabled Deployment containers' Security Context                                                                                                                                                                                                                                                                                             | `false` |
 | `containerSecurityContext.runAsUser`    | Set Deployment container's Security Context runAsUser                                                                                                                                                                                                                                                                                       | `1001`  |
 | `containerSecurityContext.runAsNonRoot` | Set Deployment container's Security Context runAsNonRoot                                                                                                                                                                                                                                                                                    | `true`  |
+| `topologySpreadConstraints`             | Set pod topology spread constraints                                                                                                                                                                                                                                                                                    | `true`  |
+
 
 
 ### Pod Affinity parameters
@@ -193,7 +194,7 @@ When this chart is bumped, the `nio-api` chart should also be bumped to pull in
 | `podDisruptionBudget.maxUnavailable` | An eviction is allowed if at most "maxUnavailable" pods selected by "selector" are unavailable after the eviction, i.e. even in absence of the evicted pod. For example, one can prevent all voluntary evictions by specifying 0. This is a mutually exclusive setting with "minAvailable". | `nil`   |
 
 
-### Metrics paramaters
+### Metrics parameters
 
 | Name                                      | Description                                                                                      | Value   |
 | ----------------------------------------- | ------------------------------------------------------------------------------------------------ | ------- |

ndustrial/deployment/templates/deployment.yaml

@@ -66,6 +66,9 @@ spec:
       {{- if .Values.tolerations }}
       tolerations: {{- include "nio-common.tplvalues.render" (dict "value" .Values.tolerations "context" $) | nindent 8 }}
       {{- end }}
+      {{- if .Values.topologySpreadConstraints }}
+      topologySpreadConstraints: {{- include "nio-common.tplvalues.render" (dict "value" .Values.topologySpreadConstraints "context" $) | nindent 8 }}
+      {{- end }}
       {{- if .Values.hostAliases }}
       hostAliases: {{- include "nio-common.tplvalues.render" (dict "value" .Values.hostAliases "context" $) | nindent 8 }}
       {{- end }}

ndustrial/deployment/values.yaml

@@ -538,6 +538,11 @@ podDisruptionBudget:
   ## @param podDisruptionBudget.maxUnavailable An eviction is allowed if at most "maxUnavailable" pods selected by "selector" are unavailable after the eviction, i.e. even in absence of the evicted pod. For example, one can prevent all voluntary evictions by specifying 0. This is a mutually exclusive setting with "minAvailable".
   maxUnavailable:
 
+## ref: https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/
+## @param topologySpreadConstraints Constraints to control how Pods are spread across your cluster among failure-domains
+
+topologySpreadConstraints: {}
+
 ## @section Metrics paramaters
 
 metrics: