{
  "kind": "Template",
  "apiVersion": "v1",
  "metadata": {
    "name": "mariadb-persistent",
    "annotations": {
      "openshift.io/display-name": "MariaDB",
      "description": "MariaDB database service, with persistent storage. For more information about using this template, including OpenShift considerations, see https://github.com/sclorg/mariadb-container/blob/master/10.2/root/usr/share/container-scripts/mysql/README.md.\n\nNOTE: Scaling to more than one replica is not supported. You must have persistent volumes available in your cluster to use this template.",
      "iconClass": "icon-mariadb",
      "tags": "database,mariadb",
      "openshift.io/long-description": "This template provides a standalone MariaDB server with a database created.  The database is stored on persistent storage.  The database name, username, and password are chosen via parameters when provisioning this service.",
      "openshift.io/provider-display-name": "Red Hat, Inc.",
      "openshift.io/documentation-url": "https://github.com/sclorg/mariadb-container/blob/master/10.2/root/usr/share/container-scripts/mysql/README.md",
      "openshift.io/support-url": "https://access.redhat.com"
    }
  },
  "message": "The following service(s) have been created in your project: ${DATABASE_SERVICE_NAME}.\n\n       Username: ${MYSQL_USER}\n       Password: ${MYSQL_PASSWORD}\n  Database Name: ${MYSQL_DATABASE}\n Connection URL: mysql://${DATABASE_SERVICE_NAME}:3306/\n\nFor more information about using this template, including OpenShift considerations, see https://github.com/sclorg/mariadb-container/blob/master/10.2/root/usr/share/container-scripts/mysql/README.md.",
  "labels": {
    "template": "mariadb-persistent-template"
  },
  "objects": [
    {
      "kind": "Secret",
      "apiVersion": "v1",
      "metadata": {
        "name": "${DATABASE_SERVICE_NAME}",
        "annotations": {
          "template.openshift.io/expose-username": "{.data['database-user']}",
          "template.openshift.io/expose-password": "{.data['database-password']}",
          "template.openshift.io/expose-root_password": "{.data['database-root-password']}",
          "template.openshift.io/expose-database_name": "{.data['database-name']}"
        }
      },
      "stringData" : {
        "database-user" : "${MYSQL_USER}",
        "database-password" : "${MYSQL_PASSWORD}",
        "database-root-password" : "${MYSQL_ROOT_PASSWORD}",
        "database-name" : "${MYSQL_DATABASE}"
      }
    },
    {
      "kind": "Service",
      "apiVersion": "v1",
      "metadata": {
        "name": "${DATABASE_SERVICE_NAME}",
        "annotations": {
          "template.openshift.io/expose-uri": "mysql://{.spec.clusterIP}:{.spec.ports[?(.name==\"mariadb\")].port}"
        }
      },
      "spec": {
        "ports": [
          {
            "name": "mariadb",
            "port": 3306
          }
        ],
        "selector": {
          "name": "${DATABASE_SERVICE_NAME}"
        }
      }
    },
    {
      "kind": "PersistentVolumeClaim",
      "apiVersion": "v1",
      "metadata": {
        "name": "${DATABASE_SERVICE_NAME}"
      },
      "spec": {
        "accessModes": [
          "ReadWriteOnce"
        ],
        "resources": {
          "requests": {
            "storage": "${VOLUME_CAPACITY}"
          }
        }
      }
    },
    {
      "kind": "DeploymentConfig",
      "apiVersion": "v1",
      "metadata": {
        "name": "${DATABASE_SERVICE_NAME}",
        "annotations": {
          "template.alpha.openshift.io/wait-for-ready": "true"
        }
      },
      "spec": {
        "strategy": {
          "type": "Recreate"
        },
        "triggers": [
          {
            "type": "ImageChange",
            "imageChangeParams": {
              "automatic": true,
              "containerNames": [
                "mariadb"
              ],
              "from": {
                "kind": "ImageStreamTag",
                "name": "mariadb:${MARIADB_VERSION}",
                "namespace": "${NAMESPACE}"
              }
            }
          },
          {
            "type": "ConfigChange"
          }
        ],
        "replicas": 1,
        "selector": {
          "name": "${DATABASE_SERVICE_NAME}"
        },
        "template": {
          "metadata": {
            "labels": {
              "name": "${DATABASE_SERVICE_NAME}"
            }
          },
          "spec": {
            "containers": [
              {
                "name": "mariadb",
                "image": " ",
                "ports": [
                  {
                    "containerPort": 3306
                  }
                ],
                "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 $MYSQL_DATABASE -e 'SELECT 1'"]
                  }
                },
                "livenessProbe": {
                  "timeoutSeconds": 1,
                  "initialDelaySeconds": 30,
                  "tcpSocket": {
                    "port": 3306
                  }
                },
                "env": [
                  {
                    "name": "MYSQL_USER",
                    "valueFrom": {
                      "secretKeyRef" : {
                        "name" : "${DATABASE_SERVICE_NAME}",
                        "key" : "database-user"
                      }
                    }
                  },
                  {
                    "name": "MYSQL_PASSWORD",
                    "valueFrom": {
                      "secretKeyRef" : {
                        "name" : "${DATABASE_SERVICE_NAME}",
                        "key" : "database-password"
                      }
                    }
                  },
                  {
                    "name": "MYSQL_ROOT_PASSWORD",
                    "valueFrom": {
                      "secretKeyRef" : {
                        "name" : "${DATABASE_SERVICE_NAME}",
                        "key" : "database-root-password"
                      }
                    }
                  },
                  {
                    "name": "MYSQL_DATABASE",
                    "valueFrom": {
                      "secretKeyRef" : {
                        "name" : "${DATABASE_SERVICE_NAME}",
                        "key" : "database-name"
                      }
                    }
                  }
                ],
                "resources": {
                  "limits": {
                    "memory": "${MEMORY_LIMIT}"
                  }
                },
                "volumeMounts": [
                  {
                    "name": "${DATABASE_SERVICE_NAME}-data",
                    "mountPath": "/var/lib/mysql/data"
                  }
                ],
                "imagePullPolicy": "IfNotPresent"
              }
            ],
            "volumes": [
              {
                "name": "${DATABASE_SERVICE_NAME}-data",
                "persistentVolumeClaim": {
                  "claimName": "${DATABASE_SERVICE_NAME}"
                }
              }
            ]
          }
        }
      }
    }
  ],
  "parameters": [
    {
      "name": "MEMORY_LIMIT",
      "displayName": "Memory Limit",
      "description": "Maximum amount of memory the container can use.",
      "value": "512Mi",
      "required": true
    },
    {
      "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": "mariadb",
      "required": true
    },
    {
      "name": "MYSQL_USER",
      "displayName": "MariaDB Connection Username",
      "description": "Username for MariaDB user that will be used for accessing the database.",
      "generate": "expression",
      "from": "user[A-Z0-9]{3}",
      "required": true
    },
    {
      "name": "MYSQL_PASSWORD",
      "displayName": "MariaDB Connection Password",
      "description": "Password for the MariaDB connection user.",
      "generate": "expression",
      "from": "[a-zA-Z0-9]{16}",
      "required": true
    },
    {
      "name": "MYSQL_ROOT_PASSWORD",
      "displayName": "MariaDB root Password",
      "description": "Password for the MariaDB root user.",
      "generate": "expression",
      "from": "[a-zA-Z0-9]{16}",
      "required": true
    },
    {
      "name": "MYSQL_DATABASE",
      "displayName": "MariaDB Database Name",
      "description": "Name of the MariaDB database accessed.",
      "value": "sampledb",
      "required": true
    },
    {
      "name": "MARIADB_VERSION",
      "displayName": "Version of MariaDB Image",
      "description": "Version of MariaDB image to be used (10.0, 10.1, 10.2 or latest).",
      "value": "10.2",
      "required": true
    },
    {
      "name": "VOLUME_CAPACITY",
      "displayName": "Volume Capacity",
      "description": "Volume space available for data, e.g. 512Mi, 2Gi.",
      "value": "1Gi",
      "required": true
    }
  ]
}