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configloader.go
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configloader.go
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// Copyright 2023 Ant Group Co., Ltd.
//
// 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 confloader
import (
"context"
"fmt"
"github.com/secretflow/kuscia/pkg/secretbackend"
)
const (
ConfigLoaderTypeForSecretBackend = "secret-backend"
ConfigLoaderTypeForRemote = "remote"
)
// ConfigLoader handle config.
type ConfigLoader interface {
Load(ctx context.Context, conf *KusciaConfig) error
}
// ConfigLoaderChain is chain to handle kuscia config.
type ConfigLoaderChain []ConfigLoader
// Load will load and adjust the kuscia config.
func (c *ConfigLoaderChain) Load(ctx context.Context, conf *KusciaConfig) error {
var err error
for _, l := range *c {
err = l.Load(ctx, conf)
if err != nil {
return err
}
}
return nil
}
// NewConfigLoaderChain return a config loader chain to handle kuscia config.
func NewConfigLoaderChain(ctx context.Context, loaders []ConfigLoaderConfig, holder *secretbackend.Holder) (ConfigLoaderChain, error) {
loaderChain := make([]ConfigLoader, 0)
for _, lc := range loaders {
switch lc.Type {
case ConfigLoaderTypeForSecretBackend:
secretBackendConfigLoader, err := NewSecretBackendConfigLoader(ctx, lc.SecretBackendParams, holder)
if err != nil {
return nil, err
}
loaderChain = append(loaderChain, secretBackendConfigLoader)
case ConfigLoaderTypeForRemote:
return nil, fmt.Errorf("not implemented")
default:
return nil, fmt.Errorf("not implemented")
}
}
return loaderChain, nil
}