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stable/mysql: Make liveness and readiness probes configurable (#3068)

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* stable/mysql: Make liveness and readiness probes configurable

* Update Chart.yaml
This commit is contained in:
Jonas Kongslund
2017-12-22 09:24:37 -08:00
committed by k8s-ci-robot
parent 98b8c71b07
commit 1b0a9af4a9
4 changed files with 52 additions and 22 deletions
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stable/mysql/Chart.yaml
+1 -1
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@@ -1,5 +1,5 @@
name: mysql
version: 0.3.1
version: 0.3.2
description: Fast, reliable, scalable, and easy to use open-source relational database
system.
keywords:
stable/mysql/README.md
+26 -16
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@@ -44,22 +44,32 @@ The command removes all the Kubernetes components associated with the chart and
The following tables lists the configurable parameters of the MySQL chart and their default values.
| Parameter | Description | Default |
| ----------------------- | ---------------------------------- | ---------------------------------------------------------- |
| `imageTag` | `mysql` image tag. | Most recent release |
| `imagePullPolicy` | Image pull policy | `IfNotPresent` |
| `mysqlRootPassword` | Password for the `root` user. | `nil` |
| `mysqlUser` | Username of new user to create. | `nil` |
| `mysqlPassword` | Password for the new user. | `nil` |
| `mysqlDatabase` | Name for new database to create. | `nil` |
| `persistence.enabled` | Create a volume to store data | true |
| `persistence.size` | Size of persistent volume claim | 8Gi RW |
| `persistence.storageClass` | Type of persistent volume claim | nil (uses alpha storage class annotation) |
| `persistence.accessMode` | ReadWriteOnce or ReadOnly | ReadWriteOnce |
| `persistence.existingClaim`| Name of existing persistent volume | `nil`
| `persistence.subPath` | Subdirectory of the volume to mount | `nil`
| `resources` | CPU/Memory resource requests/limits | Memory: `256Mi`, CPU: `100m` |
| `configurationFiles` | List of mysql configuration files | `nil`
| Parameter | Description | Default |
| ------------------------------------ | ----------------------------------------- | ---------------------------------------------------- |
| `imageTag` | `mysql` image tag. | Most recent release |
| `imagePullPolicy` | Image pull policy | `IfNotPresent` |
| `mysqlRootPassword` | Password for the `root` user. | `nil` |
| `mysqlUser` | Username of new user to create. | `nil` |
| `mysqlPassword` | Password for the new user. | `nil` |
| `mysqlDatabase` | Name for new database to create. | `nil` |
| `livenessProbe.initialDelaySeconds` | Delay before liveness probe is initiated | 30 |
| `livenessProbe.periodSeconds` | How often to perform the probe | 10 |
| `livenessProbe.timeoutSeconds` | When the probe times out | 5 |
| `livenessProbe.successThreshold` | Minimum consecutive successes for the probe to be considered successful after having failed. | 1 |
| `livenessProbe.failureThreshold` | Minimum consecutive failures for the probe to be considered failed after having succeeded. | 3 |
| `readinessProbe.initialDelaySeconds` | Delay before readiness probe is initiated | 5 |
| `readinessProbe.periodSeconds` | How often to perform the probe | 10 |
| `readinessProbe.timeoutSeconds` | When the probe times out | 1 |
| `readinessProbe.successThreshold` | Minimum consecutive successes for the probe to be considered successful after having failed. | 1 |
| `readinessProbe.failureThreshold` | Minimum consecutive failures for the probe to be considered failed after having succeeded. | 3 |
| `persistence.enabled` | Create a volume to store data | true |
| `persistence.size` | Size of persistent volume claim | 8Gi RW |
| `persistence.storageClass` | Type of persistent volume claim | nil (uses alpha storage class annotation) |
| `persistence.accessMode` | ReadWriteOnce or ReadOnly | ReadWriteOnce |
| `persistence.existingClaim` | Name of existing persistent volume | `nil` |
| `persistence.subPath` | Subdirectory of the volume to mount | `nil` |
| `resources` | CPU/Memory resource requests/limits | Memory: `256Mi`, CPU: `100m` |
| `configurationFiles` | List of mysql configuration files | `nil` |
Some of the parameters above map to the env variables defined in the [MySQL DockerHub image](https://hub.docker.com/_/mysql/).
stable/mysql/templates/deployment.yaml
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@@ -64,8 +64,11 @@ spec:
- -c
- "mysqladmin ping -u root -p${MYSQL_ROOT_PASSWORD}"
{{- end }}
initialDelaySeconds: 30
timeoutSeconds: 5
initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
successThreshold: {{ .Values.livenessProbe.successThreshold }}
failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
readinessProbe:
exec:
command:
@@ -77,8 +80,11 @@ spec:
- -c
- "mysqladmin ping -u root -p${MYSQL_ROOT_PASSWORD}"
{{- end }}
initialDelaySeconds: 5
timeoutSeconds: 1
initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
successThreshold: {{ .Values.readinessProbe.successThreshold }}
failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
volumeMounts:
- name: data
mountPath: /var/lib/mysql
stable/mysql/values.yaml
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@@ -28,7 +28,21 @@ imageTag: "5.7.14"
##
imagePullPolicy: IfNotPresent
## Persist data to a persitent volume
livenessProbe:
initialDelaySeconds: 30
periodSeconds: 10
timeoutSeconds: 5
successThreshold: 1
failureThreshold: 3
readinessProbe:
initialDelaySeconds: 5
periodSeconds: 10
timeoutSeconds: 1
successThreshold: 1
failureThreshold: 3
## Persist data to a persistent volume
persistence:
enabled: true
## database data Persistent Volume Storage Class