minio/cmd/config/crawler/crawler.go

89 lines
2.1 KiB
Go

/*
* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package crawler
import (
"strconv"
"time"
"github.com/minio/minio/cmd/config"
"github.com/minio/minio/pkg/env"
)
// Compression environment variables
const (
Delay = "delay"
MaxWait = "max_wait"
EnvDelay = "MINIO_CRAWLER_DELAY"
EnvMaxWait = "MINIO_CRAWLER_MAX_WAIT"
)
// Config represents the heal settings.
type Config struct {
// Delay is the sleep multiplier.
Delay float64 `json:"delay"`
// MaxWait is maximum wait time between operations
MaxWait time.Duration
}
var (
// DefaultKVS - default KV config for heal settings
DefaultKVS = config.KVS{
config.KV{
Key: Delay,
Value: "10",
},
config.KV{
Key: MaxWait,
Value: "15s",
},
}
// Help provides help for config values
Help = config.HelpKVS{
config.HelpKV{
Key: Delay,
Description: `crawler delay multiplier, defaults to '10.0'`,
Optional: true,
Type: "float",
},
config.HelpKV{
Key: MaxWait,
Description: `maximum wait time between operations, defaults to '15s'`,
Optional: true,
Type: "duration",
},
}
)
// LookupConfig - lookup config and override with valid environment settings if any.
func LookupConfig(kvs config.KVS) (cfg Config, err error) {
if err = config.CheckValidKeys(config.CrawlerSubSys, kvs, DefaultKVS); err != nil {
return cfg, err
}
cfg.Delay, err = strconv.ParseFloat(env.Get(EnvDelay, kvs.Get(Delay)), 64)
if err != nil {
return cfg, err
}
cfg.MaxWait, err = time.ParseDuration(env.Get(EnvMaxWait, kvs.Get(MaxWait)))
if err != nil {
return cfg, err
}
return cfg, nil
}