github.com/aacfactory/fns@v1.2.86-0.20240310083819-80d667fc0a17/configs/retriever.go (about)

     1  /*
     2   * Copyright 2023 Wang Min Xiang
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   * 	http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   */
    17  
    18  package configs
    19  
    20  import (
    21  	"fmt"
    22  	"github.com/aacfactory/configures"
    23  	"github.com/aacfactory/errors"
    24  	"os"
    25  	"path/filepath"
    26  	"strings"
    27  )
    28  
    29  const (
    30  	activeSystemEnvKey = "FNS-ACTIVE"
    31  )
    32  
    33  func DefaultConfigRetrieverOption() (option configures.RetrieverOption) {
    34  	path, pathErr := filepath.Abs("./configs")
    35  	if pathErr != nil {
    36  		panic(fmt.Errorf("%+v", errors.Warning("fns: create default config retriever failed, cant not get absolute representation of './configs'").WithCause(pathErr)))
    37  		return
    38  	}
    39  	active, _ := os.LookupEnv(activeSystemEnvKey)
    40  	active = strings.TrimSpace(active)
    41  	store := configures.NewFileStore(path, "fns", '-')
    42  	option = configures.RetrieverOption{
    43  		Active: active,
    44  		Format: "YAML",
    45  		Store:  store,
    46  	}
    47  	return
    48  }