Remove license update job (#20037)

cmd/license-update.go

@@ -1,117 +0,0 @@
-// 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/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 {
-		subnetLogIf(ctx, fmt.Errorf("error from %s: %w", url, err))
-		return
-	}
-
-	r := gjson.Parse(resp).Get("license_v2")
-	if r.Index == 0 {
-		internalLogIf(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 {
-		internalLogIf(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 {
-			subnetLogIf(ctx, fmt.Errorf("error applying subnet dynamic config: %w", err))
-			return
-		}
-		globalNotificationSys.SignalConfigReload(result.SubSys)
-	}
-}

cmd/logging.go

@@ -184,10 +184,6 @@ func etcdLogOnceIf(ctx context.Context, err error, id string, errKind ...interfa
 	logger.LogOnceIf(ctx, "etcd", err, id, errKind...)
 }
 
-func subnetLogIf(ctx context.Context, err error, errKind ...interface{}) {
-	logger.LogIf(ctx, "subnet", err, errKind...)
-}
-
 func metricsLogIf(ctx context.Context, err error, errKind ...interface{}) {
 	logger.LogIf(ctx, "metrics", err, errKind...)
 }

cmd/server-main.go

@@ -1030,11 +1030,6 @@ func serverMain(ctx *cli.Context) {
 			globalTransitionState.Init(newObject)
 		})
 
-		// Initialize the license update job
-		bootstrapTrace("initLicenseUpdateJob", func() {
-			initLicenseUpdateJob(GlobalContext, newObject)
-		})
-
 		go func() {
 			// Initialize transition tier configuration manager
 			bootstrapTrace("globalTierConfigMgr.Init", func() {