github.com/mrgossett/heapster@v0.18.2/sources.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 main
    16  
    17  import (
    18  	"fmt"
    19  
    20  	"k8s.io/heapster/extpoints"
    21  	"k8s.io/heapster/sinks/cache"
    22  	"k8s.io/heapster/sources/api"
    23  )
    24  
    25  func newSources(c cache.Cache) ([]api.Source, error) {
    26  	var sources []api.Source
    27  	for _, u := range argSources {
    28  		factory := extpoints.SourceFactories.Lookup(u.Key)
    29  		if factory == nil {
    30  			return nil, fmt.Errorf("Unknown source: %s", u.Key)
    31  		}
    32  
    33  		createdSources, err := factory(&u.Val, c)
    34  		if err != nil {
    35  			return nil, err
    36  		}
    37  		sources = append(sources, createdSources...)
    38  	}
    39  	return sources, nil
    40  }