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|
package mysqlrouter
import (
"encoding/json"
"fmt"
"time"
)
var (
metadataURL = "/metadata"
)
// MetadataResponse is the response of getting all metadata endpoint.
type MetadataResponse struct {
Item []*Metadata `json:"items"`
}
// Metadata is the structure of getting all metadata endpoint.
type Metadata struct {
Name string `json:"name"`
}
// MetadataConfig is the structure of the configuration of metadata.
type MetadataConfig struct {
ClusterName string `json:"clusterName"`
TimeRefreshInMs int `json:"timeRefreshInMs"`
GroupReplicationID string `json:"groupReplicationId"`
Nodes []MetadataNode `json:"nodes"`
}
// MetadataNode is the structure of metadata of a node.
type MetadataNode struct {
Hostname string `json:"hostname"`
Port int `json:"port"`
}
// MetadataStatus is the structure of the information of metadata.
type MetadataStatus struct {
RefreshFailed int `json:"refreshFailed"`
RefreshSucceeded int `json:"refreshSucceeded"`
TimeLastRefreshSucceeded time.Time `json:"timeLastRefreshSucceeded"`
LastRefreshHostname string `json:"lastRefreshHostname"`
LastRefreshPort int `json:"lastRefreshPort"`
}
// GetAllMetadata returns all metadata.
func (c *Client) GetAllMetadata() ([]*Metadata, error) {
b, err := c.request(c.URL + metadataURL)
if err != nil {
return nil, err
}
var r *MetadataResponse
err = json.Unmarshal(b, &r)
if err != nil {
return nil, err
}
return r.Item, nil
}
// GetMetadataConfig returns the configuration of metadata.
func (c *Client) GetMetadataConfig(cName string) (*MetadataConfig, error) {
b, err := c.request(fmt.Sprintf("%s%s/%s/config", c.URL, metadataURL, cName))
if err != nil {
return nil, err
}
var r *MetadataConfig
err = json.Unmarshal(b, &r)
if err != nil {
return nil, err
}
return r, nil
}
// GetMetadataStatus returns the state of metadata.
func (c *Client) GetMetadataStatus(cName string) (*MetadataStatus, error) {
b, err := c.request(fmt.Sprintf("%s%s/%s/status", c.URL, metadataURL, cName))
if err != nil {
return nil, err
}
var r *MetadataStatus
err = json.Unmarshal(b, &r)
if err != nil {
return nil, err
}
return r, nil
}
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