github.com/aclisp/heapster@v0.19.2-0.20160613100040-51756f899a96/metrics/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  	"time"
    20  
    21  	"github.com/golang/glog"
    22  	"k8s.io/heapster/common/flags"
    23  	"k8s.io/heapster/metrics/core"
    24  	"k8s.io/heapster/metrics/sinks/elasticsearch"
    25  	"k8s.io/heapster/metrics/sinks/gcm"
    26  	"k8s.io/heapster/metrics/sinks/hawkular"
    27  	"k8s.io/heapster/metrics/sinks/influxdb"
    28  	"k8s.io/heapster/metrics/sinks/kafka"
    29  	"k8s.io/heapster/metrics/sinks/log"
    30  	"k8s.io/heapster/metrics/sinks/metric"
    31  	"k8s.io/heapster/metrics/sinks/monasca"
    32  	"k8s.io/heapster/metrics/sinks/opentsdb"
    33  	"k8s.io/heapster/metrics/sinks/riemann"
    34  )
    35  
    36  type SinkFactory struct {
    37  }
    38  
    39  func (this *SinkFactory) Build(uri flags.Uri) (core.DataSink, error) {
    40  	switch uri.Key {
    41  	case "gcm":
    42  		return gcm.CreateGCMSink(&uri.Val)
    43  	case "hawkular":
    44  		return hawkular.NewHawkularSink(&uri.Val)
    45  	case "influxdb":
    46  		return influxdb.CreateInfluxdbSink(&uri.Val)
    47  	case "kafka":
    48  		return kafka.NewKafkaSink(&uri.Val)
    49  	case "log":
    50  		return logsink.NewLogSink(), nil
    51  	case "metric":
    52  		return metricsink.NewMetricSink(140*time.Second, 15*time.Minute, []string{
    53  			core.MetricCpuUsageRate.MetricDescriptor.Name,
    54  			core.MetricMemoryUsage.MetricDescriptor.Name}), nil
    55  	case "monasca":
    56  		return monasca.CreateMonascaSink(&uri.Val)
    57  	case "riemann":
    58  		return riemann.CreateRiemannSink(&uri.Val)
    59  	case "opentsdb":
    60  		return opentsdb.CreateOpenTSDBSink(&uri.Val)
    61  	case "elasticsearch":
    62  		return elasticsearch.NewElasticSearchSink(&uri.Val)
    63  	default:
    64  		return nil, fmt.Errorf("Sink not recognized: %s", uri.Key)
    65  	}
    66  }
    67  
    68  func (this *SinkFactory) BuildAll(uris flags.Uris) (*metricsink.MetricSink, []core.DataSink) {
    69  	result := make([]core.DataSink, 0, len(uris))
    70  	var metric *metricsink.MetricSink
    71  	for _, uri := range uris {
    72  		sink, err := this.Build(uri)
    73  		if err != nil {
    74  			glog.Errorf("Failed to create sink: %v", err)
    75  			continue
    76  		}
    77  		if uri.Key == "metric" {
    78  			metric = sink.(*metricsink.MetricSink)
    79  		}
    80  		result = append(result, sink)
    81  	}
    82  	if metric == nil {
    83  		uri := flags.Uri{}
    84  		uri.Set("metric")
    85  		sink, err := this.Build(uri)
    86  		if err == nil {
    87  			result = append(result, sink)
    88  			metric = sink.(*metricsink.MetricSink)
    89  		} else {
    90  			glog.Errorf("Error while creating metric sink: %v", err)
    91  		}
    92  	}
    93  	return metric, result
    94  }
    95  
    96  func NewSinkFactory() *SinkFactory {
    97  	return &SinkFactory{}
    98  }