added mysql chart

charts/mysql/0/.helmignore

+.git

charts/mysql/0/Chart.yaml

+name: mysql
+version: 0.3.6
+description: Fast, reliable, scalable, and easy to use open-source relational database
+  system.
+keywords:
+- mysql
+- database
+- sql
+home: https://www.mysql.com/
+icon: https://www.mysql.com/common/logos/logo-mysql-170x115.png
+sources:
+- https://github.com/kubernetes/charts
+- https://github.com/docker-library/mysql
+maintainers:
+- name: Vic Iglesias
+  email: viglesias@google.com
+engine: gotpl

charts/mysql/0/README.md

+# MySQL
+
+[MySQL](https://MySQL.org) is one of the most popular database servers in the world. Notable users include Wikipedia, Facebook and Google.
+
+## Introduction
+
+This chart bootstraps a single node MySQL deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.
+
+## Prerequisites
+
+- Kubernetes 1.6+ with Beta APIs enabled
+- PV provisioner support in the underlying infrastructure
+
+## Installing the Chart
+
+To install the chart with the release name `my-release`:
+
+```bash
+$ helm install --name my-release stable/mysql
+```
+
+The command deploys MySQL on the Kubernetes cluster in the default configuration. The [configuration](#configuration) section lists the parameters that can be configured during installation.
+
+By default a random password will be generated for the root user. If you'd like to set your own password change the mysqlRootPassword
+in the values.yaml.
+
+You can retrieve your root password by running the following command. Make sure to replace [YOUR_RELEASE_NAME]:
+
+    printf $(printf '\%o' `kubectl get secret [YOUR_RELEASE_NAME]-mysql -o jsonpath="{.data.mysql-root-password[*]}"`)
+
+> **Tip**: List all releases using `helm list`
+
+## Uninstalling the Chart
+
+To uninstall/delete the `my-release` deployment:
+
+```bash
+$ helm delete my-release
+```
+
+The command removes all the Kubernetes components associated with the chart and deletes the release.
+
+## Configuration
+
+The following table 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`                                                |
+| `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/).
+
+Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
+
+```bash
+$ helm install --name my-release \
+  --set mysqlRootPassword=secretpassword,mysqlUser=my-user,mysqlPassword=my-password,mysqlDatabase=my-database \
+    stable/mysql
+```
+
+The above command sets the MySQL `root` account password to `secretpassword`. Additionally it creates a standard database user named `my-user`, with the password `my-password`, who has access to a database named `my-database`.
+
+Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example,
+
+```bash
+$ helm install --name my-release -f values.yaml stable/mysql
+```
+
+> **Tip**: You can use the default [values.yaml](values.yaml)
+
+## Persistence
+
+The [MySQL](https://hub.docker.com/_/mysql/) image stores the MySQL data and configurations at the `/var/lib/mysql` path of the container.
+
+By default a PersistentVolumeClaim is created and mounted into that directory. In order to disable this functionality
+you can change the values.yaml to disable persistence and use an emptyDir instead.
+
+> *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running on that node. When a Pod is removed from a node for any reason, the data in the emptyDir is deleted forever."*
+
+## Custom MySQL configuration files
+
+The [MySQL](https://hub.docker.com/_/mysql/) image accepts custom configuration files at the path `/etc/mysql/conf.d`. If you want to use a customized MySQL configuration, you can create your alternative configuration files by passing the file contents on the `configurationFiles` attribute. Note that according to the MySQL documentation only files ending with `.cnf` are loaded.
+
+```yaml
+configurationFiles:
+  mysql.cnf: |-
+    [mysqld]
+    skip-host-cache
+    skip-name-resolve
+    sql-mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
+  mysql_custom.cnf: |-
+    [mysqld]
+```

charts/mysql/0/questions.yml

+questions:
+- variable: mysqlUser
+  default: "admin"
+  description: "Username of new user to create."
+  type: string
+  required: true
+  label: MySQL Username
+- variable: mysqlPassword
+  default: "changeme"
+  description: "MySQL Password for the new user."
+  type: string
+  required: true
+  label: MySQL Password
+- variable: mysqlDatabase
+  default: "database"
+  description: "Name for new database to create"
+  type: string
+  required: true
+  label: MySQL Database
+- variable: mysqlRootPassword
+  default: ""
+  description: "Password for the root user, defaults to a random 10-character alphanumeric string if not set"
+  type: string
+  label: MySQL Root Password
+- variable: persistence.enabled
+  default: "false"
+  description: "Enable persistence using PVC"
+  type: enum
+  options:
+    - "true"
+    - "false"
+  required: true
+  label: Persistent Volume Enabled
+- variable: persistence.size
+  default: "8Gi"
+  description: "Volume Size"
+  type: string
+  label: Volume Size

charts/mysql/0/templates/NOTES.txt

+MySQL can be accessed via port 3306 on the following DNS name from within your cluster:
+{{ template "mysql.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local
+
+To get your root password run:
+
+    MYSQL_ROOT_PASSWORD=$(kubectl get secret --namespace {{ .Release.Namespace }} {{ template "mysql.fullname" . }} -o jsonpath="{.data.mysql-root-password}" | base64 --decode; echo)
+
+To connect to your database:
+
+1. Run an Ubuntu pod that you can use as a client:
+
+    kubectl run -i --tty ubuntu --image=ubuntu:16.04 --restart=Never -- bash -il
+
+2. Install the mysql client:
+
+    $ apt-get update && apt-get install mysql-client -y
+
+3. Connect using the mysql cli, then provide your password:
+    $ mysql -h {{ template "mysql.fullname" . }} -p
+
+To connect to your database directly from outside the K8s cluster:
+    {{- if contains "NodePort" .Values.service.type }}
+    MYSQL_HOST=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath='{.items[0].status.addresses[0].address}')
+    MYSQL_PORT=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "mysql.fullname" . }} -o jsonpath='{.spec.ports[0].nodePort}')
+
+    {{- else if contains "ClusterIP" .Values.service.type }}
+    MYSQL_HOST=127.0.0.1
+    MYSQL_PORT={{ default "3306" .Values.service.port }}
+
+    # Execute the following commands to route the connection:
+    export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "mysql.fullname" . }}" -o jsonpath="{.items[0].metadata.name}")
+    kubectl port-forward $POD_NAME {{ default "3306" .Values.service.port }}:{{ default "3306" .Values.service.port }}
+
+    {{- end }}
+
+    mysql -h ${MYSQL_HOST} -P${MYSQL_PORT} -u root -p${MYSQL_ROOT_PASSWORD}

charts/mysql/0/templates/_helpers.tpl

+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "mysql.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+*/}}
+{{- define "mysql.fullname" -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}

charts/mysql/0/templates/configmap.yaml

+{{- if .Values.configurationFiles }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "mysql.fullname" . }}
+data:
+{{- range $key, $val := .Values.configurationFiles }}
+  {{ $key }}: |-
+{{ $val | indent 4}}
+{{- end }}
+{{- end -}}
\ No newline at end of file

charts/mysql/0/templates/deployment.yaml

+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: {{ template "mysql.fullname" . }}
+  labels:
+    app: {{ template "mysql.fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+spec:
+  template:
+    metadata:
+      labels:
+        app: {{ template "mysql.fullname" . }}
+    spec:
+      initContainers:
+      - name: "remove-lost-found"
+        image: "busybox:1.25.0"
+        imagePullPolicy: {{ .Values.imagePullPolicy | quote }}
+        command:  ["rm", "-fr", "/var/lib/mysql/lost+found"]
+        volumeMounts:
+        - name: data
+          mountPath: /var/lib/mysql
+          {{- if .Values.persistence.subPath }}
+          subPath: {{ .Values.persistence.subPath }}
+          {{- end }}
+      containers:
+      - name: {{ template "mysql.fullname" . }}
+        image: "{{ .Values.image }}:{{ .Values.imageTag }}"
+        imagePullPolicy: {{ .Values.imagePullPolicy | quote }}
+        resources:
+{{ toYaml .Values.resources | indent 10 }}
+        env:
+        {{- if .Values.mysqlAllowEmptyPassword }}
+        - name: MYSQL_ALLOW_EMPTY_PASSWORD
+          value: "true"
+        {{- else }}
+        - name: MYSQL_ROOT_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: {{ template "mysql.fullname" . }}
+              key: mysql-root-password
+        - name: MYSQL_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: {{ template "mysql.fullname" . }}
+              key: mysql-password
+        {{- end }}
+        - name: MYSQL_USER
+          value: {{ default "" .Values.mysqlUser | quote }}
+        - name: MYSQL_DATABASE
+          value: {{ default "" .Values.mysqlDatabase | quote }}
+        ports:
+        - name: mysql
+          containerPort: 3306
+        livenessProbe:
+          exec:
+            command:
+            {{- if .Values.mysqlAllowEmptyPassword }}
+            - mysqladmin
+            - ping
+            {{- else }}
+            - sh
+            - -c
+            - "mysqladmin ping -u root -p${MYSQL_ROOT_PASSWORD}"
+            {{- end }}
+          initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
+          periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
+          timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
+          successThreshold: {{ .Values.livenessProbe.successThreshold }}
+          failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
+        readinessProbe:
+          exec:
+            command:
+            {{- if .Values.mysqlAllowEmptyPassword }}
+            - mysqladmin
+            - ping
+            {{- else }}
+            - sh
+            - -c
+            - "mysqladmin ping -u root -p${MYSQL_ROOT_PASSWORD}"
+            {{- end }}
+          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
+          {{- if .Values.persistence.subPath }}
+          subPath: {{ .Values.persistence.subPath }}
+          {{- end }}
+        {{- if .Values.configurationFiles }}
+        - name: configurations
+          mountPath: /etc/mysql/conf.d
+        {{- end }}
+      volumes:
+      {{- if .Values.configurationFiles }}
+      - name: configurations
+        configMap:
+          name: {{ template "mysql.fullname" . }}
+      {{- end }}
+      - name: data
+      {{- if .Values.persistence.enabled }}
+        persistentVolumeClaim:
+          claimName: {{ .Values.persistence.existingClaim | default (include "mysql.fullname" .) }}
+      {{- else }}
+        emptyDir: {}
+      {{- end -}}

charts/mysql/0/templates/pvc.yaml

+{{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) }}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: {{ template "mysql.fullname" . }}
+  labels:
+    app: {{ template "mysql.fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode | quote }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size | quote }}
+{{- if .Values.persistence.storageClass }}
+{{- if (eq "-" .Values.persistence.storageClass) }}
+  storageClassName: ""
+{{- else }}
+  storageClassName: "{{ .Values.persistence.storageClass }}"
+{{- end }}
+{{- end }}
+{{- end }}

charts/mysql/0/templates/secrets.yaml

+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ template "mysql.fullname" . }}
+  labels:
+    app: {{ template "mysql.fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+type: Opaque
+data:
+  {{ if .Values.mysqlRootPassword }}
+  mysql-root-password:  {{ .Values.mysqlRootPassword | b64enc | quote }}
+  {{ else }}
+  mysql-root-password: {{ randAlphaNum 10 | b64enc | quote }}
+  {{ end }}
+  {{ if .Values.mysqlPassword }}
+  mysql-password:  {{ .Values.mysqlPassword | b64enc | quote }}
+  {{ else }}
+  mysql-password: {{ randAlphaNum 10 | b64enc | quote }}
+  {{ end }}

charts/mysql/0/templates/svc.yaml

+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "mysql.fullname" . }}
+  labels:
+    app: {{ template "mysql.fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+  - name: mysql
+    port: {{ .Values.service.port }}
+    targetPort: mysql
+    {{- if .Values.service.nodePort }}
+    nodePort: {{ .Values.service.nodePort }}
+    {{- end }}
+  selector:
+    app: {{ template "mysql.fullname" . }}

charts/mysql/0/values.yaml

+## mysql image version
+## ref: https://hub.docker.com/r/library/mysql/tags/
+##
+image: "mysql"
+imageTag: "5.7.14"
+
+## Specify password for root user
+##
+## Default: random 10 character string
+# mysqlRootPassword: testing
+
+## Create a database user
+##
+# mysqlUser:
+# mysqlPassword:
+
+## Allow unauthenticated access, uncomment to enable
+##
+# mysqlAllowEmptyPassword: true
+
+## Create a database
+##
+# mysqlDatabase:
+
+## Specify an imagePullPolicy (Required)
+## It's recommended to change this to 'Always' if the image tag is 'latest'
+## ref: http://kubernetes.io/docs/user-guide/images/#updating-images
+##
+imagePullPolicy: IfNotPresent
+
+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
+  ## If defined, storageClassName: <storageClass>
+  ## If set to "-", storageClassName: "", which disables dynamic provisioning
+  ## If undefined (the default) or set to null, no storageClassName spec is
+  ##   set, choosing the default provisioner.  (gp2 on AWS, standard on
+  ##   GKE, AWS & OpenStack)
+  ##
+  # storageClass: "-"
+  accessMode: ReadWriteOnce
+  size: 8Gi
+
+## Configure resource requests and limits
+## ref: http://kubernetes.io/docs/user-guide/compute-resources/
+##
+resources:
+  requests:
+    memory: 256Mi
+    cpu: 100m
+
+# Custom mysql configuration files used to override default mysql settings
+configurationFiles:
+#  mysql.cnf: |-
+#    [mysqld]
+#    skip-name-resolve
+
+
+## Configure the service
+## ref: http://kubernetes.io/docs/user-guide/services/
+service:
+  ## Specify a service type
+  ## ref: https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services---service-types
+  type: ClusterIP
+  port: 3306
+  # nodePort: 32000