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Make liveness and readiness settings configurable for the metrics con… (#6477)
* Make liveness and readiness settings configurable for the metrics container * Bump mysql chart version to 0.8.3, add metrics container's probe config to README.md
This commit is contained in:
Svein Hallsteinsen
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k8s-ci-robot
k8s-ci-robot
parent
4d52e8e638
commit
ec2ff36c76
@@ -1,5 +1,5 @@
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name: mysql
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version: 0.8.4
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version: 0.8.5
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appVersion: 5.7.14
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description: Fast, reliable, scalable, and easy to use open-source relational database
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system.
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+46
-42
@@ -44,48 +44,52 @@ The command removes all the Kubernetes components associated with the chart and
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The following table lists the configurable parameters of the MySQL chart and their default values.
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| Parameter | Description | Default |
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| ------------------------------------ | ----------------------------------------- | ---------------------------------------------------- |
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| `image` | `mysql` image repository. | `mysql` |
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| `imageTag` | `mysql` image tag. | `5.7.14` |
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| `imagePullPolicy` | Image pull policy | `IfNotPresent` |
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| `existingSecret` | Use Existing secret for Password details | `nil` |
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| `mysqlRootPassword` | Password for the `root` user. Ignored if existing secret is provided | Random 10 characters |
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| `mysqlUser` | Username of new user to create. | `nil` |
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| `mysqlPassword` | Password for the new user. Ignored if existing secret is provided | Random 10 characters |
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| `mysqlDatabase` | Name for new database to create. | `nil` |
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| `livenessProbe.initialDelaySeconds` | Delay before liveness probe is initiated | 30 |
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| `livenessProbe.periodSeconds` | How often to perform the probe | 10 |
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| `livenessProbe.timeoutSeconds` | When the probe times out | 5 |
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| `livenessProbe.successThreshold` | Minimum consecutive successes for the probe to be considered successful after having failed. | 1 |
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| `livenessProbe.failureThreshold` | Minimum consecutive failures for the probe to be considered failed after having succeeded. | 3 |
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| `readinessProbe.initialDelaySeconds` | Delay before readiness probe is initiated | 5 |
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| `readinessProbe.periodSeconds` | How often to perform the probe | 10 |
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| `readinessProbe.timeoutSeconds` | When the probe times out | 1 |
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| `readinessProbe.successThreshold` | Minimum consecutive successes for the probe to be considered successful after having failed. | 1 |
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| `readinessProbe.failureThreshold` | Minimum consecutive failures for the probe to be considered failed after having succeeded. | 3 |
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| `persistence.enabled` | Create a volume to store data | true |
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| `persistence.size` | Size of persistent volume claim | 8Gi RW |
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| `persistence.storageClass` | Type of persistent volume claim | nil (uses alpha storage class annotation) |
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| `persistence.accessMode` | ReadWriteOnce or ReadOnly | ReadWriteOnce |
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| `persistence.existingClaim` | Name of existing persistent volume | `nil` |
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| `persistence.subPath` | Subdirectory of the volume to mount | `nil` |
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| `nodeSelector` | Node labels for pod assignment | {} |
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| `metrics.enabled` | Start a side-car prometheus exporter | `false` |
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| `metrics.image` | Exporter image | `prom/mysqld-exporter` |
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| `metrics.imageTag` | Exporter image | `v0.10.0` |
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| `metrics.imagePullPolicy` | Exporter image pull policy | `IfNotPresent` |
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| `metrics.resources` | Exporter resource requests/limit | `nil` |
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| `resources` | CPU/Memory resource requests/limits | Memory: `256Mi`, CPU: `100m` |
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| `configurationFiles` | List of mysql configuration files | `nil` |
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| `ssl.enabled` | Setup and use SSL for MySQL connections | `false` |
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| `ssl.secret` | Name of the secret containing the SSL certificates | mysql-ssl-certs |
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| `ssl.certificates[0].name` | Name of the secret containing the SSL certificates | `nil` |
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| `ssl.certificates[0].ca` | CA certificate | `nil` |
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| `ssl.certificates[0].cert` | Server certificate (public key) | `nil` |
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| `ssl.certificates[0].key` | Server key (private key) | `nil` |
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| `imagePullSecrets` | Name of Secret resource containing private registry credentials | `nil` |
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| `initializationFiles` | List of SQL files which are run after the container started | `nil` |
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| Parameter | Description | Default |
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| -------------------------------------------- | ----------------------------------------- | ---------------------------------------------------- |
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| `image` | `mysql` image repository. | `mysql` |
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| `imageTag` | `mysql` image tag. | `5.7.14` |
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| `imagePullPolicy` | Image pull policy | `IfNotPresent` |
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| `existingSecret` | Use Existing secret for Password details | `nil` |
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| `mysqlRootPassword` | Password for the `root` user. Ignored if existing secret is provided | Random 10 characters |
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| `mysqlUser` | Username of new user to create. | `nil` |
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| `mysqlPassword` | Password for the new user. Ignored if existing secret is provided | Random 10 characters |
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| `mysqlDatabase` | Name for new database to create. | `nil` |
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| `livenessProbe.initialDelaySeconds` | Delay before liveness probe is initiated | 30 |
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| `livenessProbe.periodSeconds` | How often to perform the probe | 10 |
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| `livenessProbe.timeoutSeconds` | When the probe times out | 5 |
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| `livenessProbe.successThreshold` | Minimum consecutive successes for the probe to be considered successful after having failed. | 1 |
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| `livenessProbe.failureThreshold` | Minimum consecutive failures for the probe to be considered failed after having succeeded. | 3 |
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| `readinessProbe.initialDelaySeconds` | Delay before readiness probe is initiated | 5 |
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| `readinessProbe.periodSeconds` | How often to perform the probe | 10 |
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| `readinessProbe.timeoutSeconds` | When the probe times out | 1 |
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| `readinessProbe.successThreshold` | Minimum consecutive successes for the probe to be considered successful after having failed. | 1 |
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| `readinessProbe.failureThreshold` | Minimum consecutive failures for the probe to be considered failed after having succeeded. | 3 |
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| `persistence.enabled` | Create a volume to store data | true |
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| `persistence.size` | Size of persistent volume claim | 8Gi RW |
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| `persistence.storageClass` | Type of persistent volume claim | nil (uses alpha storage class annotation) |
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| `persistence.accessMode` | ReadWriteOnce or ReadOnly | ReadWriteOnce |
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| `persistence.existingClaim` | Name of existing persistent volume | `nil` |
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| `persistence.subPath` | Subdirectory of the volume to mount | `nil` |
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| `nodeSelector` | Node labels for pod assignment | {} |
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| `metrics.enabled` | Start a side-car prometheus exporter | `false` |
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| `metrics.image` | Exporter image | `prom/mysqld-exporter` |
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| `metrics.imageTag` | Exporter image | `v0.10.0` |
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| `metrics.imagePullPolicy` | Exporter image pull policy | `IfNotPresent` |
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| `metrics.resources` | Exporter resource requests/limit | `nil` |
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| `metrics.livenessProbe.initialDelaySeconds` | Delay before metrics liveness probe is initiated | 15 |
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| `metrics.livenessProbe.timeoutSeconds` | When the probe times out | 5 |
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| `metrics.readinessProbe.initialDelaySeconds` | Delay before metrics readiness probe is initiated | 5 |
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| `metrics.readinessProbe.timeoutSeconds` | When the probe times out | 1 |
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| `resources` | CPU/Memory resource requests/limits | Memory: `256Mi`, CPU: `100m` |
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| `configurationFiles` | List of mysql configuration files | `nil` |
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| `ssl.enabled` | Setup and use SSL for MySQL connections | `false` |
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| `ssl.secret` | Name of the secret containing the SSL certificates | mysql-ssl-certs |
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| `ssl.certificates[0].name` | Name of the secret containing the SSL certificates | `nil` |
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| `ssl.certificates[0].ca` | CA certificate | `nil` |
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| `ssl.certificates[0].cert` | Server certificate (public key) | `nil` |
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| `ssl.certificates[0].key` | Server key (private key) | `nil` |
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| `imagePullSecrets` | Name of Secret resource containing private registry credentials | `nil` |
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| `initializationFiles` | List of SQL files which are run after the container started | `nil` |
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| `timezone` | Container and mysqld timezone (TZ env) | `nil` (UTC depending on image) |
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Some of the parameters above map to the env variables defined in the [MySQL DockerHub image](https://hub.docker.com/_/mysql/).
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@@ -137,14 +137,14 @@ spec:
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httpGet:
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path: /metrics
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port: metrics
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initialDelaySeconds: 15
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timeoutSeconds: 5
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initialDelaySeconds: {{ .Values.metrics.livenessProbe.initialDelaySeconds }}
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timeoutSeconds: {{ .Values.metrics.livenessProbe.timeoutSeconds }}
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readinessProbe:
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httpGet:
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path: /metrics
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port: metrics
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initialDelaySeconds: 5
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timeoutSeconds: 1
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initialDelaySeconds: {{ .Values.metrics.readinessProbe.initialDelaySeconds }}
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timeoutSeconds: {{ .Values.metrics.readinessProbe.timeoutSeconds }}
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resources:
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{{ toYaml .Values.metrics.resources | indent 10 }}
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{{- end }}
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@@ -100,6 +100,12 @@ metrics:
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annotations: {}
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# prometheus.io/scrape: "true"
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# prometheus.io/port: "9104"
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livenessProbe:
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initialDelaySeconds: 15
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timeoutSeconds: 5
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readinessProbe:
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initialDelaySeconds: 5
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timeoutSeconds: 1
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## Configure the service
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## ref: http://kubernetes.io/docs/user-guide/services/
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