github.com/jonaz/heapster@v1.3.0-beta.0.0.20170208112634-cd3c15ca3d29/metrics/cmd/heapster-apiserver/app/heapstermetrics.go (about)

     1  // Copyright 2016 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 app
    16  
    17  import (
    18  	"github.com/golang/glog"
    19  
    20  	"k8s.io/heapster/metrics/apis/metrics"
    21  	_ "k8s.io/heapster/metrics/apis/metrics/install"
    22  	metricsink "k8s.io/heapster/metrics/sinks/metric"
    23  	nodemetricsstorage "k8s.io/heapster/metrics/storage/nodemetrics"
    24  	podmetricsstorage "k8s.io/heapster/metrics/storage/podmetrics"
    25  	"k8s.io/kubernetes/pkg/api"
    26  	"k8s.io/kubernetes/pkg/api/rest"
    27  	"k8s.io/kubernetes/pkg/apimachinery/registered"
    28  	"k8s.io/kubernetes/pkg/client/cache"
    29  	"k8s.io/kubernetes/pkg/genericapiserver"
    30  	genericoptions "k8s.io/kubernetes/pkg/genericapiserver/options"
    31  )
    32  
    33  func installMetricsAPIs(s *genericoptions.ServerRunOptions, g *genericapiserver.GenericAPIServer,
    34  	metricSink *metricsink.MetricSink, nodeLister *cache.StoreToNodeLister, podLister *cache.StoreToPodLister) {
    35  
    36  	nodemetricsStorage := nodemetricsstorage.NewStorage(metrics.Resource("nodemetrics"), metricSink, nodeLister)
    37  	podmetricsStorage := podmetricsstorage.NewStorage(metrics.Resource("podmetrics"), metricSink, podLister)
    38  	heapsterResources := map[string]rest.Storage{
    39  		"nodes": nodemetricsStorage,
    40  		"pods":  podmetricsStorage,
    41  	}
    42  	heapsterGroupMeta := registered.GroupOrDie(metrics.GroupName)
    43  	apiGroupInfo := genericapiserver.APIGroupInfo{
    44  		GroupMeta: *heapsterGroupMeta,
    45  		VersionedResourcesStorageMap: map[string]map[string]rest.Storage{
    46  			"v1alpha1": heapsterResources,
    47  		},
    48  		OptionsExternalVersion: &registered.GroupOrDie(api.GroupName).GroupVersion,
    49  		Scheme:                 api.Scheme,
    50  		ParameterCodec:         api.ParameterCodec,
    51  		NegotiatedSerializer:   api.Codecs,
    52  	}
    53  	if err := g.InstallAPIGroup(&apiGroupInfo); err != nil {
    54  		glog.Fatalf("Error in registering group versions: %v", err)
    55  	}
    56  }