/
config.go
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/
config.go
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// 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"
"os"
"strings"
"sync"
"github.com/minio/minio/internal/config"
"github.com/minio/pkg/v2/env"
xnet "github.com/minio/pkg/v2/net"
)
const (
baseURL = "https://subnet.min.io"
baseURLDev = "http://localhost:9000"
)
// 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:"apiKey"`
// The HTTP(S) proxy URL to use for connecting to SUBNET
Proxy string `json:"proxy"`
// Transport configured with proxy_url if set optionally.
transport http.RoundTripper
// The subnet base URL
BaseURL string
}
var configLock sync.RWMutex
// Registered indicates if cluster is registered or not
func (c *Config) Registered() bool {
configLock.RLock()
defer configLock.RUnlock()
return len(c.APIKey) > 0
}
// ApplyEnv - applies the current subnet config to Console UI specific environment variables.
func (c *Config) ApplyEnv() {
configLock.RLock()
defer configLock.RUnlock()
if c.License != "" {
os.Setenv("CONSOLE_SUBNET_LICENSE", c.License)
}
if c.APIKey != "" {
os.Setenv("CONSOLE_SUBNET_API_KEY", c.APIKey)
}
if c.Proxy != "" {
os.Setenv("CONSOLE_SUBNET_PROXY", c.Proxy)
}
os.Setenv("CONSOLE_SUBNET_URL", c.BaseURL)
}
// Update - in-place update with new license and registration information.
func (c *Config) Update(ncfg Config, isDevEnv bool) {
configLock.Lock()
defer configLock.Unlock()
c.License = ncfg.License
c.APIKey = ncfg.APIKey
c.Proxy = ncfg.Proxy
c.transport = ncfg.transport
c.BaseURL = baseURL
if isDevEnv {
c.BaseURL = os.Getenv("_MINIO_SUBNET_URL")
if c.BaseURL == "" {
c.BaseURL = baseURLDev
}
}
}
// 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
}
var proxyURL *xnet.URL
proxy := env.Get(config.EnvMinIOSubnetProxy, kvs.Get(config.Proxy))
if len(proxy) > 0 {
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)))
cfg.Proxy = proxy
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
if proxyURL != nil {
ctransport := transport.(*http.Transport).Clone()
ctransport.Proxy = http.ProxyURL((*url.URL)(proxyURL))
cfg.transport = ctransport
} else {
cfg.transport = transport
}
return cfg, nil
}