[stable/redis] Allow alternate scheduler (#5876)

* Adding scheduler name option to master and slave ss/deployments

* bumping chart version to 3.3.3

* Updating documentation

stable/redis/Chart.yaml

@@ -1,5 +1,5 @@
 name: redis
-version: 3.3.2
+version: 3.3.3
 appVersion: 4.0.9
 description: Open source, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.
 keywords:

stable/redis/README.md

@@ -90,6 +90,7 @@ The following table lists the configurable parameters of the Redis chart and the
 | `master.extraFlags`                        | Redis master additional command line flags                                                                     | []                                                   |
 | `master.nodeSelector`                      | Redis master Node labels for pod assignment                                                                    | {"beta.kubernetes.io/arch": "amd64"}                 |
 | `master.tolerations`                       | Toleration labels for Redis master pod assignment                                                              | []                                                   |
+| `master.schedulerName`                     | Name of an alternate scheduler                                                                                 | `nil`                                                |
 | `master.service.type`                      | Kubernetes Service type (redis master)                                                                         | `ClusterIP`                                          |
 | `master.service.annotations`               | annotations for redis master service                                                                           | {}                                                   |
 | `master.service.loadBalancerIP`            | loadBalancerIP if redis master service type is `LoadBalancer`                                                  | `nil`                                                |
@@ -130,6 +131,7 @@ The following table lists the configurable parameters of the Redis chart and the
 | `slave.readinessProbe.failureThreshold`    | Minimum consecutive failures for the probe to be considered failed after having succeeded. (redis slave pod)   | `master.readinessProbe.failureThreshold`             |
 | `slave.podLabels`                          | Additional labels for Redis slave pod                                                                          | `master.podLabels`                                   |
 | `slave.podAnnotations`                     | Additional annotations for Redis slave pod                                                                     | `master.podAnnotations`                              |
+| `slave.schedulerName`                      | Name of an alternate scheduler                                                                                 | `nil`                                                |
 | `slave.securityContext.enabled`            | Enable security context (redis slave pod)                                                                      | `master.securityContext.enabled`                     |
 | `slave.securityContext.fsGroup`            | Group ID for the container (redis slave pod)                                                                   | `master.securityContext.fsGroup`                     |
 | `slave.securityContext.runAsUser`          | User ID for the container (redis slave pod)                                                                    | `master.securityContext.runAsUser`                   |

stable/redis/templates/redis-master-statefulset.yaml

@@ -13,7 +13,7 @@ spec:
       release: "{{ .Release.Name }}"
       role: master
       app: {{ template "redis.name" . }}
-  serviceName: "redis-master"  
+  serviceName: "redis-master"
   template:
     metadata:
       labels:
@@ -46,6 +46,9 @@ spec:
       {{- if .Values.master.tolerations }}
       tolerations:
 {{ toYaml .Values.master.tolerations | indent 8 }}
+      {{- end }}
+      {{- if .Values.master.schedulerName }}
+      schedulerName: "{{ .Values.master.schedulerName }}"
       {{- end }}
       containers:
       - name: {{ template "redis.fullname" . }}

stable/redis/templates/redis-slave-deployment.yaml

@@ -42,6 +42,9 @@ spec:
       tolerations:
 {{ toYaml (.Values.slave.tolerations | default .Values.master.tolerations) | indent 8 }}
       {{- end }}
+      {{- if .Values.slave.schedulerName }}
+      schedulerName: "{{ .Values.slave.schedulerName }}"
+      {{- end }}
     {{- with .Values.affinity }}
       affinity:
 {{ toYaml . | indent 8 }}

stable/redis/values.yaml

@@ -120,6 +120,11 @@ master:
   #   requests:
   #     memory: 256Mi
   #     cpu: 100m
+  ## Use an alternate scheduler, e.g. "stork".
+  ## ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
+  ##
+  # schedulerName:
+
 
   ## Redis Master Liveness Probe
   livenessProbe:
@@ -250,6 +255,11 @@ slave:
   # nodeSelector: {"beta.kubernetes.io/arch": "amd64"}
   # tolerations: []
 
+  ## Use an alternate scheduler, e.g. "stork".
+  ## ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
+  ##
+  # schedulerName:
+
   ## Redis slave pod Annotation and Labels
   # podLabels: {}
   ## annotations for redis pods