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tiflashapi.go
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tiflashapi.go
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// Copyright 2021 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package tiflashapi
import (
"crypto/tls"
"fmt"
"net"
"net/http"
"time"
httputil "github.com/pingcap/tidb-operator/pkg/util/http"
)
const (
storeStatusPath = "tiflash/store-status"
)
type Status string
const (
Idle Status = "Idle"
Ready Status = "Ready"
Running Status = "Running"
Stopping Status = "Stopping"
Terminated Status = "Terminated"
)
type TiFlashClient interface {
GetStoreStatus() (Status, error)
}
type tiflashClient struct {
url string
httpClient *http.Client
}
// NewTiFlashClient returns a new TiFlashClient
func NewTiFlashClient(url string, timeout time.Duration, tlsConfig *tls.Config, disableKeepalive bool) TiFlashClient {
return &tiflashClient{
url: url,
httpClient: &http.Client{
Timeout: timeout,
Transport: &http.Transport{
TLSClientConfig: tlsConfig,
DisableKeepAlives: disableKeepalive,
ResponseHeaderTimeout: 10 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
DialContext: (&net.Dialer{
Timeout: 10 * time.Second,
}).DialContext,
},
},
}
}
func (c *tiflashClient) GetStoreStatus() (Status, error) {
apiURL := fmt.Sprintf("%s/%s", c.url, storeStatusPath)
body, err := httputil.GetBodyOK(c.httpClient, apiURL)
if err != nil {
return "", err
}
return Status(body), nil
}