OP#792 initial commit after fork

internal/config/ilm/help.go

@@ -0,0 +1,52 @@
+// Copyright (c) 2015-2024 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 ilm
+
+import "github.com/minio/minio/internal/config"
+
+const (
+	transitionWorkers = "transition_workers"
+	expirationWorkers = "expiration_workers"
+	// EnvILMTransitionWorkers env variable to configure number of transition workers
+	EnvILMTransitionWorkers = "MINIO_ILM_TRANSITION_WORKERS"
+	// EnvILMExpirationWorkers env variable to configure number of expiration workers
+	EnvILMExpirationWorkers = "MINIO_ILM_EXPIRATION_WORKERS"
+)
+
+var (
+	defaultHelpPostfix = func(key string) string {
+		return config.DefaultHelpPostfix(DefaultKVS, key)
+	}
+
+	// Help holds configuration keys and their default values for the ILM
+	// subsystem
+	Help = config.HelpKVS{
+		config.HelpKV{
+			Key:         transitionWorkers,
+			Type:        "number",
+			Description: `set the number of transition workers` + defaultHelpPostfix(transitionWorkers),
+			Optional:    true,
+		},
+		config.HelpKV{
+			Key:         expirationWorkers,
+			Type:        "number",
+			Description: `set the number of expiration workers` + defaultHelpPostfix(expirationWorkers),
+			Optional:    true,
+		},
+	}
+)

internal/config/ilm/ilm.go

@@ -0,0 +1,69 @@
+// Copyright (c) 2015-2024 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 ilm
+
+import (
+	"strconv"
+
+	"github.com/minio/minio/internal/config"
+	"github.com/minio/pkg/v3/env"
+)
+
+// DefaultKVS default configuration values for ILM subsystem
+var DefaultKVS = config.KVS{
+	config.KV{
+		Key:   transitionWorkers,
+		Value: "100",
+	},
+	config.KV{
+		Key:   expirationWorkers,
+		Value: "100",
+	},
+}
+
+// Config represents the different configuration values for ILM subsystem
+type Config struct {
+	TransitionWorkers int
+	ExpirationWorkers int
+}
+
+// LookupConfig - lookup ilm config and override with valid environment settings if any.
+func LookupConfig(kvs config.KVS) (cfg Config, err error) {
+	cfg = Config{
+		TransitionWorkers: 100,
+		ExpirationWorkers: 100,
+	}
+
+	if err = config.CheckValidKeys(config.ILMSubSys, kvs, DefaultKVS); err != nil {
+		return cfg, err
+	}
+
+	tw, err := strconv.Atoi(env.Get(EnvILMTransitionWorkers, kvs.GetWithDefault(transitionWorkers, DefaultKVS)))
+	if err != nil {
+		return cfg, err
+	}
+
+	ew, err := strconv.Atoi(env.Get(EnvILMExpirationWorkers, kvs.GetWithDefault(expirationWorkers, DefaultKVS)))
+	if err != nil {
+		return cfg, err
+	}
+
+	cfg.TransitionWorkers = tw
+	cfg.ExpirationWorkers = ew
+	return cfg, nil
+}