github.com/alibaba/ilogtail/pkg@v0.0.0-20250526110833-c53b480d046c/protocol/encoder/encoder.go (about)

     1  // Copyright 2024 iLogtail Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package encoder
    16  
    17  import (
    18  	"fmt"
    19  	"strings"
    20  
    21  	"github.com/mitchellh/mapstructure"
    22  
    23  	"github.com/alibaba/ilogtail/pkg/pipeline/extensions"
    24  	"github.com/alibaba/ilogtail/pkg/protocol/encoder/common"
    25  	"github.com/alibaba/ilogtail/pkg/protocol/encoder/prometheus"
    26  )
    27  
    28  func NewEncoder(format string, options map[string]any) (extensions.Encoder, error) {
    29  	switch strings.TrimSpace(strings.ToLower(format)) {
    30  	case common.ProtocolPrometheus:
    31  		var opt prometheus.Option
    32  		if err := mapstructure.Decode(options, &opt); err != nil {
    33  			return nil, err
    34  		}
    35  		return prometheus.NewPromEncoder(opt.SeriesLimit), nil
    36  
    37  	default:
    38  		return nil, fmt.Errorf("not supported encode format: %s", format)
    39  	}
    40  }