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Add prom/mysqld-exporter to mysqlha (#13028)
Signed-off-by: Aisuko <urakiny@gmail.com>
This commit is contained in:
Aisuko
committed by
Kubernetes Prow Robot
Kubernetes Prow Robot
parent
2aae418aa7
commit
da0c276d29
@@ -1,5 +1,5 @@
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name: mysqlha
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version: 0.4.0
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version: 0.5.0
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appVersion: 5.7.13
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description: MySQL cluster with a single master and zero or more slave replicas
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keywords:
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+28
-19
@@ -33,25 +33,34 @@ $ helm delete my-release
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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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| `mysqlImage` | `mysql` image and tag. | `mysql:5.7.13` |
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| `xtraBackupImage` | `xtrabackup` image and tag. | `gcr.io/google-samples/xtrabackup:1.0` |
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| `replicaCount` | Number of MySQL replicas | 3 |
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| `mysqlRootPassword` | Password for the `root` user. | Randomly generated |
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| `mysqlUser` | Username of new user to create. | `nil` |
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| `mysqlPassword` | Password for the new user. | Randomly generated |
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| `mysqlReplicationUser` | Username for replication user | `repl` |
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| `mysqlReplicationPassword` | Password for replication user. | Randomly generated |
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| `mysqlDatabase` | Name of the new Database to create | `nil` |
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| `configFiles.master.cnf` | Master configuration file | See `values.yaml` |
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| `configFiles.slave.cnf` | Slave configuration file | See `values.yaml` |
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| `persistence.enabled` | Create a volume to store data | true |
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| `persistence.size` | Size of persistent volume claim | 10Gi |
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| `persistence.storageClass` | Type of persistent volume claim | `nil` |
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| `persistence.accessModes` | Persistent volume access modes | `[ReadWriteOnce]` |
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| `persistence.annotations` | Persistent volume annotations | `{}` |
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| `resources` | CPU/Memory resource requests/limits | Memory: `128Mi`, CPU: `100m` |
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| Parameter | Description | Default |
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| ----------------------------------------- | ------------------------------------------------- | -------------------------------------- |
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| `mysqlImage` | `mysql` image and tag. | `mysql:5.7.13` |
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| `xtraBackupImage` | `xtrabackup` image and tag. | `gcr.io/google-samples/xtrabackup:1.0` |
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| `replicaCount` | Number of MySQL replicas | 3 |
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| `mysqlRootPassword` | Password for the `root` user. | Randomly generated |
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| `mysqlUser` | Username of new user to create. | `nil` |
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| `mysqlPassword` | Password for the new user. | Randomly generated |
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| `mysqlReplicationUser` | Username for replication user | `repl` |
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| `mysqlReplicationPassword` | Password for replication user. | Randomly generated |
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| `mysqlDatabase` | Name of the new Database to create | `nil` |
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| `configFiles.master.cnf` | Master configuration file | See `values.yaml` |
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| `configFiles.slave.cnf` | Slave configuration file | See `values.yaml` |
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| `persistence.enabled` | Create a volume to store data | true |
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| `persistence.size` | Size of persistent volume claim | 10Gi |
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| `persistence.storageClass` | Type of persistent volume claim | `nil` |
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| `persistence.accessModes` | Persistent volume access modes | `[ReadWriteOnce]` |
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| `persistence.annotations` | Persistent volume annotations | `{}` |
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| `resources` | CPU/Memory resource requests/limits | Memory: `128Mi`, CPU: `100m` |
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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 | See `values.yaml` |
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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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Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
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@@ -216,6 +216,39 @@ spec:
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requests:
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cpu: 100m
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memory: 100Mi
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{{- if .Values.metrics.enabled }}
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- name: metrics
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image: "{{ .Values.metrics.image }}:{{ .Values.metrics.imageTag }}"
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imagePullPolicy: {{ .Values.pullPolicy | quote }}
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{{- if .Values.mysqlha.mysqlAllowEmptyPassword }}
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command: ['sh', '-c', 'DATA_SOURCE_NAME="root@(localhost:3306)/" /bin/mysqld_exporter' ]
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{{- else }}
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env:
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- name: MYSQL_ROOT_PASSWORD
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valueFrom:
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secretKeyRef:
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name: {{ template "fullname" . }}
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key: mysql-root-password
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command: [ 'sh', '-c', 'DATA_SOURCE_NAME="root:$MYSQL_ROOT_PASSWORD@(localhost:3306)/" /bin/mysqld_exporter' ]
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{{- end }}
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ports:
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- name: metrics
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containerPort: 9104
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livenessProbe:
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httpGet:
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path: /
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port: metrics
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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: /
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port: metrics
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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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volumes:
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- name: conf
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emptyDir: {}
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@@ -27,9 +27,18 @@ metadata:
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chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
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release: "{{ .Release.Name }}"
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heritage: "{{ .Release.Service }}"
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annotations:
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{{- if and (.Values.metrics.enabled) (.Values.metrics.annotations) }}
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{{ toYaml .Values.metrics.annotations | indent 4 }}
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{{- end }}
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spec:
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ports:
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- name: {{ template "fullname" . }}
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port: 3306
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{{- if .Values.metrics.enabled }}
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- name: metrics
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port: 9104
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targetPort: metrics
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{{- end }}
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selector:
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app: {{ template "fullname" . }}
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@@ -64,3 +64,21 @@ resources:
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requests:
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cpu: 100m
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memory: 128Mi
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metrics:
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enabled: false
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image: prom/mysqld-exporter
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imageTag: v0.10.0
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imagePullPolicy: IfNotPresent
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annotations: {}
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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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resources:
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requests:
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cpu: 100m
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memory: 100Mi
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