add tolerations to mysql deployment (#11018)

* add tolerations to mysql deployment

Signed-off-by: Jeff Hastings <jeffmhastings@gmail.com>

* Update Chart.yaml

Signed-off-by: David J. M. Karlsen <david@davidkarlsen.com>

stable/mysql/Chart.yaml

@@ -1,5 +1,5 @@
 name: mysql
-version: 0.13.3
+version: 0.14.0
 appVersion: 5.7.14
 description: Fast, reliable, scalable, and easy to use open-source relational database
   system.

stable/mysql/README.md

@@ -79,6 +79,7 @@ The following table lists the configurable parameters of the MySQL chart and the
 | `persistence.subPath`                        | Subdirectory of the volume to mount                                                          | `nil`                                                |
 | `persistence.annotations`                    | Persistent Volume annotations                             				      | {}						     |
 | `nodeSelector`                               | Node labels for pod assignment                                                               | {}                                                   |
+| `tolerations`                                | Pod taint tolerations for deployment                                                         | {}                                                   |
 | `metrics.enabled`                            | Start a side-car prometheus exporter                                                         | `false`                                              |
 | `metrics.image`                              | Exporter image                                                                               | `prom/mysqld-exporter`                               |
 | `metrics.imageTag`                           | Exporter image                                                                               | `v0.10.0`                                            |

stable/mysql/templates/deployment.yaml

@@ -41,6 +41,10 @@ spec:
       {{- if .Values.nodeSelector }}
       nodeSelector:
 {{ toYaml .Values.nodeSelector | indent 8 }}
+      {{- end }}
+      {{- if .Values.tolerations }}
+      tolerations:
+{{ toYaml .Values.tolerations | indent 8 }}
       {{- end }}
       containers:
       - name: {{ template "mysql.fullname" . }}

stable/mysql/values.yaml

@@ -61,6 +61,11 @@ extraInitContainers: |
 ## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
 nodeSelector: {}
 
+## Tolerations for pod assignment
+## Ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
+##
+tolerations: []
+
 livenessProbe:
   initialDelaySeconds: 30
   periodSeconds: 10