{
  "kind": "Template",
  "apiVersion": "template.openshift.io/v1",
  "metadata": {
    "name": "redis-ephemeral",
    "annotations": {
      "openshift.io/display-name": "Redis (Ephemeral)",
      "description": "Redis in-memory data structure store, without persistent storage. For more information about using this template, including OpenShift considerations, see https://github.com/sclorg/redis-container/blob/master/5.\n\nWARNING: Any data stored will be lost upon pod destruction. Only use this template for testing",
      "iconClass": "icon-redis",
      "tags": "database,redis",
      "openshift.io/long-description": "This template provides a standalone Redis server.  The data is not stored on persistent storage, so any restart of the service will result in all data being lost.",
      "openshift.io/provider-display-name": "Red Hat, Inc.",
      "openshift.io/documentation-url": "https://github.com/sclorg/redis-container/tree/master/5",
      "openshift.io/support-url": "https://access.redhat.com"
    }
  },
  "message": "The following service(s) have been created in your project: ${DATABASE_SERVICE_NAME}.\n\n       Password: ${REDIS_PASSWORD}\n Connection URL: redis://${DATABASE_SERVICE_NAME}:6379/\n\nFor more information about using this template, including OpenShift considerations, see https://github.com/sclorg/redis-container/blob/master/5.",
  "labels": {
    "template": "redis-ephemeral-template"
  },
  "objects": [
    {
      "kind": "Secret",
      "apiVersion": "v1",
      "metadata": {
        "name": "${DATABASE_SERVICE_NAME}",
        "annotations": {
          "template.openshift.io/expose-password": "{.data['database-password']}"
        }
      },
      "stringData" : {
        "database-password" : "${REDIS_PASSWORD}"
      }
    },
    {
      "kind": "Service",
      "apiVersion": "v1",
      "metadata": {
        "name": "${DATABASE_SERVICE_NAME}",
        "annotations": {
          "template.openshift.io/expose-uri": "redis://{.spec.clusterIP}:{.spec.ports[?(.name==\"redis\")].port}"
        }
      },
      "spec": {
        "ports": [
          {
            "name": "redis",
            "protocol": "TCP",
            "port": 6379,
            "targetPort": 6379,
            "nodePort": 0
          }
        ],
        "selector": {
          "name": "${DATABASE_SERVICE_NAME}"
        },
        "type": "ClusterIP",
        "sessionAffinity": "None"
      },
      "status": {
        "loadBalancer": {}
      }
    },
    {
      "kind": "Deployment",
      "apiVersion": "apps/v1",
      "metadata": {
        "name": "${DATABASE_SERVICE_NAME}",
        "annotations": {
          "template.alpha.openshift.io/wait-for-ready": "true",
          "image.openshift.io/triggers": "[{\"from\":{\"kind\":\"ImageStreamTag\",\"name\":\"redis:${REDIS_VERSION}\"},\"fieldPath\": \"spec.template.spec.containers[0].image\"}]"
        }
      },
      "spec": {
        "strategy": {
          "type": "Recreate"
        },
        "replicas": 1,
        "selector": {
          "matchLabels": {
            "name": "${DATABASE_SERVICE_NAME}"
          }
        },
        "template": {
          "metadata": {
            "labels": {
              "name": "${DATABASE_SERVICE_NAME}"
            }
          },
          "spec": {
            "containers": [
              {
                "name": "redis",
                "image": " ",
                "ports": [
                  {
                    "containerPort": 6379,
                    "protocol": "TCP"
                  }
                ],
                "readinessProbe": {
                  "timeoutSeconds": 1,
                  "initialDelaySeconds": 5,
                  "exec": {
                    "command": [ "/bin/sh", "-i", "-c", "test \"$(redis-cli -h 127.0.0.1 -a $REDIS_PASSWORD ping)\" == \"PONG\""]
                  }
                },
                "livenessProbe": {
                  "timeoutSeconds": 1,
                  "initialDelaySeconds": 30,
                  "tcpSocket": {
                    "port": 6379
                  }
                },
                "env": [
                  {
                    "name": "REDIS_PASSWORD",
                    "valueFrom": {
                      "secretKeyRef" : {
                        "name" : "${DATABASE_SERVICE_NAME}",
                        "key" : "database-password"
                      }
                    }
                  }
                ],
                "resources": {
                  "limits": {
                    "memory": "${MEMORY_LIMIT}"
                  }
                },
                "volumeMounts": [
                  {
                    "name": "${DATABASE_SERVICE_NAME}-data",
                    "mountPath": "/var/lib/redis/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",
      "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": "redis",
      "required": true
    },
    {
      "name": "REDIS_PASSWORD",
      "displayName": "Redis Connection Password",
      "description": "Password for the Redis connection user.",
      "generate": "expression",
      "from": "[a-zA-Z0-9]{16}",
      "required": true
    },
    {
      "name": "REDIS_VERSION",
      "displayName": "Version of Redis Image",
      "description": "Version of Redis image to be used (5-el7, 5-el8, 6-el7, 6-el8, or latest).",
      "value": "6-el8",
      "required": true
    }
  ]
}