MySQL :: MySQL 路由器 9.0 :: 6.2 MySQL 路由器 REST API 参考

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MySQL 路由器 9.0 / MySQL 路由器 REST API / MySQL 路由器 REST API 参考

6.2 MySQL 路由器 REST API 参考

假定已知 basePath 前缀。basePath 包含 API 版本，例如 "/api/20190715"。例如，如果端点是 "/metadata"，则 URL 类似于 "https://localhost:8443/api/20190715/metadata"。有关相关信息，请参见第 6.1 节，“MySQL 路由器 REST API 简易指南”。

表 6.1 MySQL 路由器 REST API 端点

端点	描述	插件	方法
/metadata	获取元数据实例名称	rest_metadata_cache	GET
/metadata/{metadataName}/config	获取元数据配置详细信息	rest_metadata_cache	GET
/metadata/{metadataName}/status	检查元数据状态	rest_metadata_cache	GET
/router/status	检查路由器状态	rest_router	GET
/routes	获取路由列表	rest_routing	GET
/routes/{routeName}/blockedHosts	获取被阻止 IP 列表	rest_routing	GET
/routes/{routeName}/config	获取路由配置详细信息	rest_routing	GET
/routes/{routeName}/connections	获取路由连接	rest_routing	GET
/routes/{routeName}/destinations	获取路由目的地	rest_routing	GET
/routes/{routeName}/health	检查路由健康状况	rest_routing	GET
/routes/{routeName}/status	检查路由状态	rest_routing	GET
/connection_pool/{name}/config	检查 connection_pool 配置	rest_connection_pool	GET
/connection_pool/{name}/status	检查 connection_pool 状态	rest_connection_pool	GET
swagger.json	获取包含可用路径和信息的 swagger 文件	rest_api	GET

metadata

GET /metadata

获取元数据缓存实例列表

可用响应

200

描述：元数据缓存实例列表

响应模式

items

数组

包含 'name' 字段；元数据实例的名称

示例 200 响应数据

{
  "items": [
    {
      "name": "myCluster"
    }
  ]
}

GET /metadata/{metadataName}/config

获取集群副本集的元数据缓存的配置

可用响应

200

描述：元数据缓存的配置

响应模式

clusterName

字符串

可选，复制组的名称

timeRefreshInMs

整数

TTL 数字

groupReplicationId

字符串

可选

nodes

数组

数组；项目包括主机名 (字符串) 和端口 (整数) 属性

404

描述：未找到缓存

路径参数

metadataName (必需)

字符串

集群的名称

示例 200 响应数据

{
  "clusterName": "myCluster",
  "timeRefreshInMs": 500,
  "groupReplicationId": "e57e9c11-abfe-11ea-b747-0800278566cb",
  "nodes": [
    {
      "hostname": "127.0.0.1",
      "port": 3310
    },
    {
      "hostname": "127.0.0.1",
      "port": 3320
    },
    {
      "hostname": "127.0.0.1",
      "port": 3330
    }
  ]
}

GET /metadata/{metadataName}/status

获取集群副本集的元数据缓存状态

可用响应

200

描述：元数据缓存的状态

响应模式

lastRefreshHostname

字符串

lastRefreshPort

整数

timeLastRefreshFailed

字符串

timeLastRefreshSucceeded

字符串

refreshSucceeded

整数

refreshFailed

整数

404

描述：未找到缓存

路径参数

metadataName (必需)

字符串

集群的名称

示例 200 响应数据

{
  "refreshFailed": 0,
  "refreshSucceeded": 798,
  "timeLastRefreshSucceeded": "2020-06-11T21:17:37.270303Z",
  "lastRefreshHostname": "127.0.0.1",
  "lastRefreshPort": 3310
}

router

GET /router/status

获取路由器状态

可用响应

200

描述：路由器的状态

响应内容类型：application/json

响应模式

hostname

字符串

应用程序运行所在主机的名称；如果未配置主机，它可能为空

processId

整数

应用程序的进程 ID

productEdition

字符串

产品版本，例如“MySQL Community - GPL”

timeStarted

字符串

应用程序启动的日期时间字符串，例如“2020-06-11T22:08:30.978640Z”

version

字符串

应用程序的版本，例如“8.0.22”

示例 200 响应数据

{
  "processId": 6435,
  "productEdition": "MySQL Community - GPL",
  "timeStarted": "2020-06-11T21:10:49.420619Z",
  "version": "8.0.20",
  "hostname": "boat"
}

routes

GET /routes

获取 MySQL 路由器支持的路由列表（名称）

可用响应

200

描述：支持的路由列表

响应模式

items

数组

路由列表

示例 200 响应数据

{
  "items": [
    {
      "name": "myCluster_ro"
    },
    {
      "name": "myCluster_rw"
    },
    {
      "name": "myCluster_x_ro"
    },
    {
      "name": "myCluster_x_rw"
    }
  ]
}

GET /routes/{routeName}/config

获取路由的配置

可用响应

200

描述：路由的配置

响应模式

bindAddress

字符串

路由正在监听的地址

bindPort

整数

路由器正在监听的 TCP 端口

clientConnectTimeoutInMs

整数

传入连接的连接超时

destinationConnectTimeoutInMs

整数

传出连接的连接超时

maxActiveConnections

整数

最大活动连接数

maxConnectErrors

整数

在客户端被阻止之前允许的相邻连接错误的最大数量

protocol

字符串

协议，可以是 'classic' 或 'x'

socket

字符串

监听套接字或命名管道

routingStrategy

字符串

使用的路由策略；例如“round-robin”、“round-robin-with-fallback”、“first-available”或“next-available”，如路由器策略配置选项定义

404

描述：未找到路由

路径参数

routeName (必需)

字符串

路由的名称

示例 200 响应数据

{
  "bindAddress": "0.0.0.0",
  "bindPort": 6446,
  "clientConnectTimeoutInMs": 9000,
  "destinationConnectTimeoutInMs": 15000,
  "maxActiveConnections": 512,
  "maxConnectErrors": 100,
  "protocol": "classic",
  "routingStrategy": "first-available"
}

GET /routes/{routeName}/status

获取路由的状态

可用响应

200

描述：路由的状态

响应模式

activeConnections

整数

路由上的活动连接数

totalConnections

整数

路由处理的连接数

blockedHosts

整数

被阻止的主机数

404

描述：未找到路由

示例 200 响应数据

{
  "activeConnections": 1,
  "totalConnections": 1,
  "blockedHosts": 0
}

路径参数

routeName (必需)

字符串

路由的名称

GET /routes/{routeName}/health

获取路由的健康状况

可用响应

200

描述：路由的健康状况

响应模式

isAlive

布尔值

404

描述：未找到路由

路径参数

routeName (必需)

字符串

路由的名称

示例 200 响应数据

{
  "isAlive": true
}

GET /routes/{routeName}/destinations

获取路由的目的地

可用响应

200

描述：路由的目的地

响应模式

items

数组

包含 'address' (字符串，目的节点的 IP 地址) 和 'port' (整数，目的节点的端口)

404

描述：未找到路由

路径参数

routeName (必需)

字符串

路由的名称

示例 200 响应数据

{
  "items": [
    {
      "address": "127.0.0.1",
      "port": 3320
    },
    {
      "address": "127.0.0.1",
      "port": 3330
    }
  ]
}

GET /routes/{routeName}/connections

获取路由的连接

可用响应

200

描述：路由的连接

响应模式

items

数组

每个条目包含以下内容

bytesFromServer：整数，通过给定连接从服务器发送到客户端的字节数
BytesToServer：整数，通过给定连接从客户端发送到服务器的字节数
sourceAddress：字符串，连接源（客户端）的地址：端口对
destinationAddress：字符串，连接目的地（服务器）的地址：端口对
timeStarted：字符串，连接初始化的时间点
timeConnectedToServer：字符串，连接成功建立的时间点
timeLastSentToServer：字符串，通过给定连接从客户端到服务器最后发送数据的時間點
timeLastReceivedFromServer：字符串，通过给定连接从服务器到客户端最后发送数据的時間點

404

描述：未找到路由

路径参数

routeName (必需)

字符串

路由的名称

示例 200 响应数据

{
  "items": [
    {
      "bytesFromServer": 2952,
      "bytesToServer": 743,
      "sourceAddress": "127.0.0.1:54098",
      "destinationAddress": "127.0.0.1:3310",
      "timeStarted": "2020-06-11T21:28:20.882204Z",
      "timeConnectedToServer": "2020-06-11T21:28:20.882513Z",
      "timeLastSentToServer": "2020-06-11T21:28:20.886969Z",
      "timeLastReceivedFromServer": "2020-06-11T21:28:20.886968Z"
    }
  ]
}

GET /routes/{routeName}/blockedHosts

获取路由的被阻止主机列表

可用响应

200

描述：路由的被阻止主机列表

响应模式

items

数组

当前被路由核心阻止的 IP 地址

404

描述：未找到路由

路径参数

routeName (必需)

字符串

路由的名称

示例 200 响应数据

{
  "items": []
}

connection_pool

GET /connection_pool/{name}/config

显示由 max_idle_server_connection 配置选项定义的 maxIdleServerConnections。这是连接池中空闲服务器连接的最大数量（整数）。

显示由 idle_timeout 配置选项定义的 idleTimeout。这是连接池中连接关闭之前的超时时间（以秒为单位）。

GET /connection_pool/{name}/status

显示 reusedConnections，表示自应用程序启动以来重用服务器连接的客户端连接数量（整数）。

显示 idleServerConnections，表示当前连接池中空闲服务器连接的数量（整数）。

swagger.json

GET /swagger.json

获取本地 REST API 实例的 swagger (OpenAPI) 文件。访问该文件不需要身份验证；任何有权访问 REST API 的用户都可以生成和查看它。OpenAPI 内容取决于活动的 REST API 插件。

示例 200 响应数据

{
  "swagger": "2.0",
  "info": {
    "title": "MySQL Router",
    "description": "API of MySQL Router",
    "version": "20190715"
  },
  "basePath": "/api/20190715",
  "tags": [
    {
      "name": "connectionpool",
      "description": "Connection Pool"
    },
    {
      "name": "cluster",
      "description": "InnoDB Cluster"
    },
    {
      "name": "app",
      "description": "Application"
    },
    {
      "name": "routes",
      "description": "Routes"
    }
  ],
  "paths": {
    "/connection_pool/{connectionPoolName}/status": {
      "get": {
        "tags": [
          "connectionpool"
        ],
        "description": "Get status of a route",
        "responses": {
          "200": {
            "description": "status of a route",
            "schema": {
              "$ref": "#/definitions/ConnectionPoolStatus"
            }
          },
          "404": {
            "description": "route not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/connectionPoolNameParam"
        }
      ]
    },
    "/connection_pool/{connectionPoolName}/config": {
      "get": {
        "tags": [
          "connectionpool"
        ],
        "description": "Get config of a route",
        "responses": {
          "200": {
            "description": "config of a route",
            "schema": {
              "$ref": "#/definitions/ConnectionPoolConfig"
            }
          },
          "404": {
            "description": "route not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/connectionPoolNameParam"
        }
      ]
    },
    "/connection_pool": {
      "get": {
        "tags": [
          "connectionpool"
        ],
        "description": "Get list of the connection pools",
        "responses": {
          "200": {
            "description": "list of the connection pools",
            "schema": {
              "$ref": "#/definitions/ConnectionPoolList"
            }
          }
        }
      }
    },
    "/metadata/{metadataName}/config": {
      "get": {
        "tags": [
          "cluster"
        ],
        "description": "Get config of the metadata cache of a replicaset of a cluster",
        "responses": {
          "200": {
            "description": "config of metadata cache",
            "schema": {
              "$ref": "#/definitions/MetadataConfig"
            }
          },
          "404": {
            "description": "cache not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/metadataNameParam"
        }
      ]
    },
    "/metadata/{metadataName}/status": {
      "get": {
        "tags": [
          "cluster"
        ],
        "description": "Get status of the metadata cache of a replicaset of a cluster",
        "responses": {
          "200": {
            "description": "status of metadata cache",
            "schema": {
              "$ref": "#/definitions/MetadataStatus"
            }
          },
          "404": {
            "description": "cache not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/metadataNameParam"
        }
      ]
    },
    "/metadata": {
      "get": {
        "tags": [
          "cluster"
        ],
        "description": "Get list of the metadata cache instances",
        "responses": {
          "200": {
            "description": "list of the metadata cache instances",
            "schema": {
              "$ref": "#/definitions/MetadataList"
            }
          }
        }
      }
    },
    "/router/status": {
      "get": {
        "tags": [
          "app"
        ],
        "description": "Get status of the application",
        "responses": {
          "200": {
            "description": "status of application",
            "schema": {
              "$ref": "#/definitions/RouterStatus"
            }
          }
        }
      }
    },
    "/routing/status": {
      "get": {
        "tags": [
          "routing"
        ],
        "description": "Get status of the routing plugin",
        "responses": {
          "200": {
            "description": "status of the routing plugin",
            "schema": {
              "$ref": "#/definitions/RoutingGlobalStatus"
            }
          }
        }
      }
    },
    "/routes/{routeName}/config": {
      "get": {
        "tags": [
          "routes"
        ],
        "description": "Get config of a route",
        "responses": {
          "200": {
            "description": "config of a route",
            "schema": {
              "$ref": "#/definitions/RouteConfig"
            }
          },
          "404": {
            "description": "route not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/routeNameParam"
        }
      ]
    },
    "/routes/{routeName}/status": {
      "get": {
        "tags": [
          "routes"
        ],
        "description": "Get status of a route",
        "responses": {
          "200": {
            "description": "status of a route",
            "schema": {
              "$ref": "#/definitions/RouteStatus"
            }
          },
          "404": {
            "description": "route not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/routeNameParam"
        }
      ]
    },
    "/routes/{routeName}/health": {
      "get": {
        "tags": [
          "routes"
        ],
        "description": "Get health of a route",
        "responses": {
          "200": {
            "description": "health of a route",
            "schema": {
              "$ref": "#/definitions/RouteHealth"
            }
          },
          "404": {
            "description": "route not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/routeNameParam"
        }
      ]
    },
    "/routes/{routeName}/destinations": {
      "get": {
        "tags": [
          "routes"
        ],
        "description": "Get destinations of a route",
        "responses": {
          "200": {
            "description": "destinations of a route",
            "schema": {
              "$ref": "#/definitions/RouteDestinationList"
            }
          },
          "404": {
            "description": "route not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/routeNameParam"
        }
      ]
    },
    "/routes/{routeName}/connections": {
      "get": {
        "tags": [
          "routes"
        ],
        "description": "Get connections of a route",
        "responses": {
          "200": {
            "description": "connections of a route",
            "schema": {
              "$ref": "#/definitions/RouteConnectionsList"
            }
          },
          "404": {
            "description": "route not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/routeNameParam"
        }
      ]
    },
    "/routes/{routeName}/blockedHosts": {
      "get": {
        "tags": [
          "routes"
        ],
        "description": "Get blocked host list for a route",
        "responses": {
          "200": {
            "description": "blocked host list for a route",
            "schema": {
              "$ref": "#/definitions/RouteBlockedHostList"
            }
          },
          "404": {
            "description": "route not found"
          }
        }
      },
      "parameters": [
        {
          "$ref": "#/parameters/routeNameParam"
        }
      ]
    },
    "/routes": {
      "get": {
        "tags": [
          "routes"
        ],
        "description": "Get list of the routes",
        "responses": {
          "200": {
            "description": "list of the routes",
            "schema": {
              "$ref": "#/definitions/RouteList"
            }
          }
        }
      }
    }
  },
  "definitions": {
    "ConnectionPoolStatus": {
      "type": "object",
      "properties": {
        "reusedServerConnections": {
          "type": "integer"
        },
        "idleServerConnections": {
          "type": "integer"
        }
      }
    },
    "ConnectionPoolConfig": {
      "type": "object",
      "properties": {
        "idleTimeoutInMs": {
          "type": "integer"
        },
        "maxIdleServerConnections": {
          "type": "integer"
        }
      }
    },
    "ConnectionPoolSummary": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        }
      }
    },
    "ConnectionPoolList": {
      "type": "object",
      "properties": {
        "items": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/ConnectionPoolSummary"
          }
        }
      }
    },
    "MetadataStatus": {
      "type": "object",
      "properties": {
        "lastRefreshHostname": {
          "type": "string"
        },
        "lastRefreshPort": {
          "type": "integer"
        },
        "timeLastRefreshFailed": {
          "type": "string",
          "format": "data-time"
        },
        "timeLastRefreshSucceeded": {
          "type": "string",
          "format": "data-time"
        },
        "refreshSucceeded": {
          "type": "integer"
        },
        "refreshFailed": {
          "type": "integer"
        }
      }
    },
    "MetadataConfig": {
      "type": "object",
      "properties": {
        "clusterName": {
          "type": "string"
        },
        "timeRefreshInMs": {
          "type": "integer"
        },
        "groupReplicationId": {
          "type": "string"
        },
        "nodes": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "hostname": {
                "type": "string"
              },
              "port": {
                "type": "integer"
              }
            }
          }
        }
      }
    },
    "MetadataSummary": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        }
      }
    },
    "MetadataList": {
      "type": "object",
      "properties": {
        "items": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/MetadataSummary"
          }
        }
      }
    },
    "ClusterNodeSummary": {
      "type": "object",
      "properties": {
        "groupUuid": {
          "type": "string"
        },
        "serverUuid": {
          "type": "string"
        }
      }
    },
    "ClusterNodeList": {
      "type": "object",
      "properties": {
        "items": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/ClusterNodeSummary"
          }
        }
      }
    },
    "ClusterSummary": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        }
      }
    },
    "ClusterList": {
      "type": "object",
      "properties": {
        "items": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/ClusterSummary"
          }
        }
      }
    },
    "RouterStatus": {
      "type": "object",
      "properties": {
        "timeStarted": {
          "type": "string",
          "format": "data-time"
        },
        "processId": {
          "type": "integer"
        },
        "version": {
          "type": "string"
        },
        "hostname": {
          "type": "string"
        },
        "productEdition": {
          "type": "string"
        }
      }
    },
    "RoutingGlobalStatus": {
      "totalMaxConnections": "number of total connections allowed",
      "currentMaxConnections": "number of current total connections"
    },
    "RouteHealth": {
      "type": "object",
      "properties": {
        "isAlive": {
          "type": "boolean"
        }
      }
    },
    "RouteStatus": {
      "type": "object",
      "properties": {
        "activeConnections": {
          "type": "integer"
        },
        "totalConnections": {
          "type": "integer"
        },
        "blockedHosts": {
          "type": "integer"
        }
      }
    },
    "RouteConfig": {
      "type": "object",
      "properties": {
        "bindAddress": {
          "type": "string"
        },
        "bindPort": {
          "type": "integer"
        },
        "clientConnectTimeoutInMs": {
          "type": "integer"
        },
        "destinationConnectTimeoutInMs": {
          "type": "integer"
        },
        "maxActiveConnections": {
          "type": "integer"
        },
        "maxConnectErrors": {
          "type": "integer"
        },
        "protocol": {
          "type": "string"
        },
        "socket": {
          "type": "string"
        },
        "routingStrategy": {
          "type": "string"
        },
      }
    },
    "RouteSummary": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        }
      }
    },
    "RouteList": {
      "type": "object",
      "properties": {
        "items": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/RouteSummary"
          }
        }
      }
    },
    "RouteDestinationSummary": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        }
      }
    },
    "RouteDestinationList": {
      "type": "object",
      "properties": {
        "items": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/RouteDestinationSummary"
          }
        }
      }
    },
    "RouteBlockedHostSummary": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        }
      }
    },
    "RouteBlockedHostList": {
      "type": "object",
      "properties": {
        "items": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/RouteBlockedHostSummary"
          }
        }
      }
    },
    "RouteConnectionsSummary": {
      "type": "object",
      "properties": {
        "timeStarted": {
          "type": "string",
          "format": "date-time",
          "description": "timepoint when connection to server was initiated"
        },
        "timeConnectedToServer": {
          "type": "string",
          "format": "date-time",
          "description": "timepoint when connection to server succeeded"
        },
        "timeLastSentToServer": {
          "type": "string",
          "format": "date-time",
          "description": "timepoint when there was last data sent from client to server"
        },
        "timeLastReceivedFromServer": {
          "type": "string",
          "format": "date-time",
          "description": "timepoint when there was last data sent from server to client"
        },
        "bytesFromServer": {
          "type": "integer",
          "description": "bytes sent to destination"
        },
        "bytesToServer": {
          "type": "integer",
          "description": "bytes received from destination"
        },
        "destinationAddress": {
          "type": "string",
          "description": "address of the destination of the connection"
        },
        "sourceAddress": {
          "type": "string",
          "description": "address of the source of the connection"
        }
      }
    },
    "RouteConnectionsList": {
      "type": "object",
      "properties": {
        "items": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/RouteConnectionsSummary"
          }
        }
      }
    }
  },
  "parameters": {
    "connectionPoolNameParam": {
      "name": "connectionPoolName",
      "in": "path",
      "description": "name of a connection pool",
      "required": true,
      "type": "string"
    },
    "metadataNameParam": {
      "name": "metadataName",
      "in": "path",
      "description": "name of cluster",
      "required": true,
      "type": "string"
    },
    "clusterNameParam": {
      "name": "clusterName",
      "in": "path",
      "description": "name of cluster",
      "required": true,
      "type": "string"
    },
    "routeNameParam": {
      "name": "routeName",
      "in": "path",
      "description": "name of a route",
      "required": true,
      "type": "string"
    }
  }
}

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