github.com/galamsiva2020/kubernetes-heapster-monitoring@v0.0.0-20210823134957-3c1baa7c1e70/metrics/storage/util/util.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 util
    16  
    17  import (
    18  	"fmt"
    19  
    20  	"k8s.io/api/core/v1"
    21  	"k8s.io/apimachinery/pkg/api/resource"
    22  	"k8s.io/heapster/metrics/core"
    23  	"k8s.io/metrics/pkg/apis/metrics"
    24  )
    25  
    26  func ParseResourceList(ms *core.MetricSet) (metrics.ResourceList, error) {
    27  	cpu, found := ms.MetricValues[core.MetricCpuUsageRate.MetricDescriptor.Name]
    28  	if !found {
    29  		return metrics.ResourceList{}, fmt.Errorf("cpu not found")
    30  	}
    31  	mem, found := ms.MetricValues[core.MetricMemoryWorkingSet.MetricDescriptor.Name]
    32  	if !found {
    33  		return metrics.ResourceList{}, fmt.Errorf("memory not found")
    34  	}
    35  
    36  	return metrics.ResourceList{
    37  		metrics.ResourceName(string(v1.ResourceCPU)): *resource.NewMilliQuantity(
    38  			cpu.IntValue,
    39  			resource.DecimalSI),
    40  		metrics.ResourceName(string(v1.ResourceMemory)): *resource.NewQuantity(
    41  			mem.IntValue,
    42  			resource.BinarySI),
    43  	}, nil
    44  }