minio/cmd/subnet-utils.go

103 lines
2.7 KiB
Go

// Copyright (c) 2015-2022 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"time"
xhttp "github.com/minio/minio/internal/http"
)
const (
subnetRespBodyLimit = 1 << 20 // 1 MiB
callhomeURL = "https://subnet.min.io/api/callhome"
callhomeURLDev = "http://localhost:9000/api/callhome"
)
func httpClient(timeout time.Duration) *http.Client {
return &http.Client{
Timeout: timeout,
Transport: globalProxyTransport,
}
}
func subnetHTTPDo(req *http.Request) (*http.Response, error) {
client := httpClient(10 * time.Second)
if globalSubnetConfig.ProxyURL != nil {
client.Transport.(*http.Transport).Proxy = http.ProxyURL((*url.URL)(globalSubnetConfig.ProxyURL))
}
return client.Do(req)
}
func subnetReqDo(r *http.Request, authToken string) (string, error) {
r.Header.Set("Authorization", authToken)
r.Header.Set("Content-Type", "application/json")
resp, err := subnetHTTPDo(r)
if resp != nil {
defer xhttp.DrainBody(resp.Body)
}
if err != nil {
return "", err
}
respBytes, err := ioutil.ReadAll(io.LimitReader(resp.Body, subnetRespBodyLimit))
if err != nil {
return "", err
}
respStr := string(respBytes)
if resp.StatusCode == http.StatusOK {
return respStr, nil
}
return respStr, fmt.Errorf("SUBNET request failed with code %d and error: %s", resp.StatusCode, respStr)
}
func subnetPostReq(reqURL string, payload interface{}, authToken string) (string, error) {
body, err := json.Marshal(payload)
if err != nil {
return "", err
}
r, err := http.NewRequest(http.MethodPost, reqURL, bytes.NewReader(body))
if err != nil {
return "", err
}
return subnetReqDo(r, authToken)
}
func sendCallhomeInfo(ch CallhomeInfo) error {
if len(globalSubnetConfig.APIKey) == 0 {
return errors.New("Cluster is not registered with SUBNET. Please register by running 'mc support register ALIAS'")
}
url := callhomeURL
if globalIsCICD {
url = callhomeURLDev
}
_, err := subnetPostReq(url, ch, globalSubnetConfig.APIKey)
return err
}