okd/roles/openshift_examples/files/examples/v1.1/db-templates/mysql-ephemeral-template.json

{
  "kind": "Template",
  "apiVersion": "v1",
  "metadata": {
    "name": "mysql-ephemeral",
    "creationTimestamp": null,
    "annotations": {
      "description": "MySQL database service, without persistent storage. WARNING: Any data stored will be lost upon pod destruction. Only use this template for testing",
      "iconClass": "icon-mysql-database",
      "tags": "database,mysql"
    }
  },
  "objects": [
    {
      "kind": "Service",
      "apiVersion": "v1",
      "metadata": {
        "name": "${DATABASE_SERVICE_NAME}",
        "creationTimestamp": null
      },
      "spec": {
        "ports": [
          {
            "name": "mysql",
            "protocol": "TCP",
            "port": 3306,
            "targetPort": 3306,
            "nodePort": 0
          }
        ],
        "selector": {
          "name": "${DATABASE_SERVICE_NAME}"
        },
        "portalIP": "",
        "type": "ClusterIP",
        "sessionAffinity": "None"
      },
      "status": {
        "loadBalancer": {}
      }
    },
    {
      "kind": "DeploymentConfig",
      "apiVersion": "v1",
      "metadata": {
        "name": "${DATABASE_SERVICE_NAME}",
        "creationTimestamp": null
      },
      "spec": {
        "strategy": {
          "type": "Recreate"
        },
        "triggers": [
          {
            "type": "ImageChange",
            "imageChangeParams": {
              "automatic": false,
              "containerNames": [
                "mysql"
              ],
              "from": {
                "kind": "ImageStreamTag",
                "name": "mysql:latest",
                "namespace": "${NAMESPACE}"
              },
              "lastTriggeredImage": ""
            }
          },
          {
            "type": "ConfigChange"
          }
        ],
        "replicas": 1,
        "selector": {
          "name": "${DATABASE_SERVICE_NAME}"
        },
        "template": {
          "metadata": {
            "creationTimestamp": null,
            "labels": {
              "name": "${DATABASE_SERVICE_NAME}"
            }
          },
          "spec": {
            "containers": [
              {
                "name": "mysql",
                "image": "mysql",
                "ports": [
                  {
                    "containerPort": 3306,
                    "protocol": "TCP"
                  }
                ],
                "readinessProbe": {
                  "timeoutSeconds": 1,
                  "initialDelaySeconds": 5,
                  "exec": {
                    "command": [ "/bin/sh", "-i", "-c",
                      "MYSQL_PWD=\"$MYSQL_PASSWORD\" mysql -h 127.0.0.1 -u $MYSQL_USER -D $MYSQL_DATABASE -e 'SELECT 1'"]
                  }
                },
                "livenessProbe": {
                  "timeoutSeconds": 1,
                  "initialDelaySeconds": 30,
                  "tcpSocket": {
                    "port": 3306
                  }
                },
                "env": [
                  {
                    "name": "MYSQL_USER",
                    "value": "${MYSQL_USER}"
                  },
                  {
                    "name": "MYSQL_PASSWORD",
                    "value": "${MYSQL_PASSWORD}"
                  },
                  {
                    "name": "MYSQL_DATABASE",
                    "value": "${MYSQL_DATABASE}"
                  }
                ],
                "resources": {
		    "limits": {
			"memory": "${MEMORY_LIMIT}"
		    }
		},
                "volumeMounts": [
                  {
                    "name": "${DATABASE_SERVICE_NAME}-data",
                    "mountPath": "/var/lib/mysql/data"
                  }
                ],
                "terminationMessagePath": "/dev/termination-log",
                "imagePullPolicy": "IfNotPresent",
                "capabilities": {},
                "securityContext": {
                  "capabilities": {},
                  "privileged": false
                }
              }
            ],
            "volumes": [
              {
                "name": "${DATABASE_SERVICE_NAME}-data",
                "emptyDir": {
                  "medium": ""
                }
              }
            ],
            "restartPolicy": "Always",
            "dnsPolicy": "ClusterFirst"
          }
        }
      },
      "status": {}
    }
  ],
  "parameters": [
    {
      "name": "MEMORY_LIMIT",
      "displayName": "Memory Limit",
      "description": "Maximum amount of memory the container can use.",
      "value": "512Mi"
    },
    {
      "name": "NAMESPACE",
      "displayName": "Namespace",
      "description": "The OpenShift Namespace where the ImageStream resides.",
      "value": "openshift"
    },
    {
      "name": "DATABASE_SERVICE_NAME",
      "displayName": "Database Service Name",
      "description": "The name of the OpenShift Service exposed for the database.",
      "value": "mysql",
      "required": true
    },
    {
      "name": "MYSQL_USER",
      "displayName": "MySQL User",
      "description": "Username for MySQL user that will be used for accessing the database.",
      "generate": "expression",
      "from": "user[A-Z0-9]{3}",
      "required": true
    },
    {
      "name": "MYSQL_PASSWORD",
      "displayName": "MySQL Password",
      "description": "Password for the MySQL user.",
      "generate": "expression",
      "from": "[a-zA-Z0-9]{16}",
      "required": true
    },
    {
      "name": "MYSQL_DATABASE",
      "displayName": "MySQL Database Name",
      "description": "Name of the MySQL database accessed.",
      "value": "sampledb",
      "required": true
    }
  ],
  "labels": {
    "template": "mysql-ephemeral-template"
  }
}