minio/internal/config/subnet/config.go
Harshavardhana 7b9b7cef11
add license banner for GNU AGPLv3 (#15178)
Bonus: rewrite subnet re-use of Transport
2022-06-27 03:58:25 -07:00

94 lines
2.6 KiB
Go

// Copyright (c) 2015-2021 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 subnet
import (
"net/http"
"net/url"
"strings"
"github.com/minio/minio/internal/config"
"github.com/minio/pkg/env"
xnet "github.com/minio/pkg/net"
)
// DefaultKVS - default KV config for subnet settings
var DefaultKVS = config.KVS{
config.KV{
Key: config.License, // Deprecated Dec 2021
Value: "",
},
config.KV{
Key: config.APIKey,
Value: "",
},
config.KV{
Key: config.Proxy,
Value: "",
},
}
// Config represents the subnet related configuration
type Config struct {
// The subnet license token - Deprecated Dec 2021
License string `json:"license"`
// The subnet api key
APIKey string `json:"api_key"`
// The HTTP(S) proxy URL to use for connecting to SUBNET
ProxyURL *xnet.URL `json:"proxy_url"`
// Transport configured with proxy_url if set optionally.
transport *http.Transport
}
// LookupConfig - lookup config and override with valid environment settings if any.
func LookupConfig(kvs config.KVS, transport http.RoundTripper) (cfg Config, err error) {
if err = config.CheckValidKeys(config.SubnetSubSys, kvs, DefaultKVS); err != nil {
return cfg, err
}
proxy := env.Get(config.EnvMinIOSubnetProxy, kvs.Get(config.Proxy))
if len(proxy) > 0 {
cfg.ProxyURL, err = xnet.ParseHTTPURL(proxy)
if err != nil {
return cfg, err
}
}
cfg.License = strings.TrimSpace(env.Get(config.EnvMinIOSubnetLicense, kvs.Get(config.License)))
cfg.APIKey = strings.TrimSpace(env.Get(config.EnvMinIOSubnetAPIKey, kvs.Get(config.APIKey)))
if transport == nil {
// when transport is nil, it means we are just validating the
// inputs not performing any network calls.
return cfg, nil
}
// Make sure to clone the transport before editing the ProxyURL
ctransport := transport.(*http.Transport).Clone()
if cfg.ProxyURL != nil {
ctransport.Proxy = http.ProxyURL((*url.URL)(cfg.ProxyURL))
}
cfg.transport = ctransport
return cfg, nil
}