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dfstore.go
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dfstore.go
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/*
* Copyright 2022 The Dragonfly Authors
*
* 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 config
import (
"errors"
"fmt"
"net/url"
)
type DfstoreConfig struct {
// Address of the object storage service.
Endpoint string `yaml:"endpoint,omitempty" mapstructure:"endpoint,omitempty"`
// Filter is used to generate a unique Task ID by
// filtering unnecessary query params in the URL,
// it is separated by & character.
Filter string `yaml:"filter,omitempty" mapstructure:"filter,omitempty"`
// Mode is the mode in which the backend is written,
// including WriteBack and AsyncWriteBack.
Mode int `yaml:"mode,omitempty" mapstructure:"mode,omitempty"`
// MaxReplicas is the maximum number of
// replicas of an object cache in seed peers.
MaxReplicas int `yaml:"maxReplicas,omitempty" mapstructure:"mode,maxReplicas"`
}
// New dfstore configuration.
func NewDfstore() *DfstoreConfig {
url := url.URL{
Scheme: "http",
Host: fmt.Sprintf("%s:%d", "127.0.0.1", DefaultObjectStorageStartPort),
}
return &DfstoreConfig{
Endpoint: url.String(),
MaxReplicas: DefaultObjectMaxReplicas,
}
}
func (cfg *DfstoreConfig) Validate() error {
if cfg.Endpoint == "" {
return errors.New("dfstore requires parameter endpoint")
}
if _, err := url.ParseRequestURI(cfg.Endpoint); err != nil {
return fmt.Errorf("invalid endpoint: %w", err)
}
return nil
}