github.com/timstclair/heapster@v0.20.0-alpha1/events/sinks/factory.go (about)

     1  // Copyright 2015 Google Inc. All Rights Reserved.
     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 sinks
    16  
    17  import (
    18  	"fmt"
    19  
    20  	"k8s.io/heapster/common/flags"
    21  	"k8s.io/heapster/events/core"
    22  	"k8s.io/heapster/events/sinks/gcl"
    23  	"k8s.io/heapster/events/sinks/influxdb"
    24  	"k8s.io/heapster/events/sinks/log"
    25  
    26  	"github.com/golang/glog"
    27  )
    28  
    29  type SinkFactory struct {
    30  }
    31  
    32  func (this *SinkFactory) Build(uri flags.Uri) (core.EventSink, error) {
    33  	switch uri.Key {
    34  	case "gcl":
    35  		return gcl.CreateGCLSink(&uri.Val)
    36  	case "log":
    37  		return logsink.CreateLogSink()
    38  	case "influxdb":
    39  		return influxdb.CreateInfluxdbSink(&uri.Val)
    40  	default:
    41  		return nil, fmt.Errorf("Sink not recognized: %s", uri.Key)
    42  	}
    43  }
    44  
    45  func (this *SinkFactory) BuildAll(uris flags.Uris) []core.EventSink {
    46  	result := make([]core.EventSink, 0, len(uris))
    47  	for _, uri := range uris {
    48  		sink, err := this.Build(uri)
    49  		if err != nil {
    50  			glog.Errorf("Failed to create sink: %v", err)
    51  			continue
    52  		}
    53  		result = append(result, sink)
    54  	}
    55  	return result
    56  }
    57  
    58  func NewSinkFactory() *SinkFactory {
    59  	return &SinkFactory{}
    60  }