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https://github.com/minio/minio.git
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99fde2ba85
disk tokens usage is not necessary anymore with the implementation of deadlines for storage calls and active monitoring of the drive for I/O timeouts. Functionality kicking off a bad drive is still supported, it's just that we do not have to serialize I/O in the manner tokens would do.
98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
// Copyright (c) 2015-2023 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package drive
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import (
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"sync"
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"time"
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"github.com/minio/minio/internal/config"
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"github.com/minio/pkg/v2/env"
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)
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// DefaultKVS - default KVS for drive
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var DefaultKVS = config.KVS{
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config.KV{
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Key: MaxTimeout,
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Value: "",
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},
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}
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// Config represents the subnet related configuration
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type Config struct {
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// MaxTimeout - maximum timeout for a drive operation
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MaxTimeout time.Duration `json:"maxTimeout"`
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mutex sync.RWMutex
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}
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// Update - updates the config with latest values
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func (c *Config) Update(new *Config) error {
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c.mutex.Lock()
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defer c.mutex.Unlock()
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c.MaxTimeout = getMaxTimeout(new.MaxTimeout)
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return nil
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}
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// GetMaxTimeout - returns the max timeout value.
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func (c *Config) GetMaxTimeout() time.Duration {
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c.mutex.RLock()
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defer c.mutex.RUnlock()
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return getMaxTimeout(c.MaxTimeout)
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}
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// LookupConfig - lookup config and override with valid environment settings if any.
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func LookupConfig(kvs config.KVS) (cfg *Config, err error) {
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if err = config.CheckValidKeys(config.DriveSubSys, kvs, DefaultKVS); err != nil {
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return cfg, err
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}
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// if not set. Get default value from environment
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d := kvs.GetWithDefault(MaxTimeout, DefaultKVS)
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if d == "" {
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d = env.Get("_MINIO_DRIVE_MAX_TIMEOUT", "")
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if d == "" {
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d = env.Get("_MINIO_DISK_MAX_TIMEOUT", "")
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}
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}
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cfg = &Config{
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mutex: sync.RWMutex{},
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}
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dur, _ := time.ParseDuration(d)
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if dur < time.Second {
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cfg.MaxTimeout = 30 * time.Second
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} else {
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cfg.MaxTimeout = getMaxTimeout(dur)
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}
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return cfg, err
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}
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func getMaxTimeout(t time.Duration) time.Duration {
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if t < time.Second {
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// get default value
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d := env.Get("_MINIO_DRIVE_MAX_TIMEOUT", "")
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if d == "" {
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d = env.Get("_MINIO_DISK_MAX_TIMEOUT", "")
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}
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dur, _ := time.ParseDuration(d)
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if dur < time.Second {
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return 30 * time.Second
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}
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return dur
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}
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return t
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}
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