mirror of https://github.com/minio/minio.git
119 lines
3.3 KiB
Go
119 lines
3.3 KiB
Go
// Copyright (c) 2015-2023 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 (
|
|
"context"
|
|
"fmt"
|
|
"math/rand"
|
|
"time"
|
|
|
|
"github.com/minio/minio/internal/logger"
|
|
"github.com/tidwall/gjson"
|
|
)
|
|
|
|
const (
|
|
licUpdateCycle = 24 * time.Hour * 30
|
|
licRenewPath = "/api/cluster/renew-license"
|
|
)
|
|
|
|
// initlicenseUpdateJob start the periodic license update job in the background.
|
|
func initLicenseUpdateJob(ctx context.Context, objAPI ObjectLayer) {
|
|
go func() {
|
|
r := rand.New(rand.NewSource(time.Now().UnixNano()))
|
|
// Leader node (that successfully acquires the lock inside licenceUpdaterLoop)
|
|
// will keep performing the license update. If the leader goes down for some
|
|
// reason, the lock will be released and another node will acquire it and
|
|
// take over because of this loop.
|
|
for {
|
|
licenceUpdaterLoop(ctx, objAPI)
|
|
|
|
// license update stopped for some reason.
|
|
// sleep for some time and try again.
|
|
duration := time.Duration(r.Float64() * float64(time.Hour))
|
|
if duration < time.Second {
|
|
// Make sure to sleep at least a second to avoid high CPU ticks.
|
|
duration = time.Second
|
|
}
|
|
time.Sleep(duration)
|
|
}
|
|
}()
|
|
}
|
|
|
|
func licenceUpdaterLoop(ctx context.Context, objAPI ObjectLayer) {
|
|
ctx, cancel := globalLeaderLock.GetLock(ctx)
|
|
defer cancel()
|
|
|
|
licenseUpdateTimer := time.NewTimer(licUpdateCycle)
|
|
defer licenseUpdateTimer.Stop()
|
|
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
case <-licenseUpdateTimer.C:
|
|
|
|
if globalSubnetConfig.Registered() {
|
|
performLicenseUpdate(ctx, objAPI)
|
|
}
|
|
|
|
// Reset the timer for next cycle.
|
|
licenseUpdateTimer.Reset(licUpdateCycle)
|
|
}
|
|
}
|
|
}
|
|
|
|
func performLicenseUpdate(ctx context.Context, objectAPI ObjectLayer) {
|
|
// the subnet license renewal api renews the license only
|
|
// if required e.g. when it is expiring soon
|
|
url := globalSubnetConfig.BaseURL + licRenewPath
|
|
|
|
resp, err := globalSubnetConfig.Post(url, nil)
|
|
if err != nil {
|
|
logger.LogIf(ctx, fmt.Errorf("error from %s: %w", url, err))
|
|
return
|
|
}
|
|
|
|
r := gjson.Parse(resp).Get("license_v2")
|
|
if r.Index == 0 {
|
|
logger.LogIf(ctx, fmt.Errorf("license not found in response from %s", url))
|
|
return
|
|
}
|
|
|
|
lic := r.String()
|
|
if lic == globalSubnetConfig.License {
|
|
// license hasn't changed.
|
|
return
|
|
}
|
|
|
|
kv := "subnet license=" + lic
|
|
result, err := setConfigKV(ctx, objectAPI, []byte(kv))
|
|
if err != nil {
|
|
logger.LogIf(ctx, fmt.Errorf("error setting subnet license config: %w", err))
|
|
return
|
|
}
|
|
|
|
if result.Dynamic {
|
|
if err := applyDynamicConfigForSubSys(GlobalContext, objectAPI, result.Cfg, result.SubSys); err != nil {
|
|
logger.LogIf(ctx, fmt.Errorf("error applying subnet dynamic config: %w", err))
|
|
return
|
|
}
|
|
globalNotificationSys.SignalConfigReload(result.SubSys)
|
|
}
|
|
}
|