github.com/galamsiva2020/kubernetes-heapster-monitoring@v0.0.0-20210823134957-3c1baa7c1e70/metrics/sources/kubelet/configs.go (about)

     1  // Copyright 2014 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 kubelet
    16  
    17  import (
    18  	"net/url"
    19  	"strconv"
    20  
    21  	"github.com/golang/glog"
    22  	kube_client "k8s.io/client-go/rest"
    23  	kube_config "k8s.io/heapster/common/kubernetes"
    24  	kubelet_client "k8s.io/heapster/metrics/sources/kubelet/util"
    25  )
    26  
    27  const (
    28  	APIVersion = "v1"
    29  
    30  	defaultKubeletPort        = 10255
    31  	defaultKubeletHttps       = false
    32  	defaultUseServiceAccount  = false
    33  	defaultServiceAccountFile = "/var/run/secrets/kubernetes.io/serviceaccount/token"
    34  	defaultInClusterConfig    = true
    35  )
    36  
    37  func GetKubeConfigs(uri *url.URL) (*kube_client.Config, *kubelet_client.KubeletClientConfig, error) {
    38  
    39  	kubeConfig, err := kube_config.GetKubeClientConfig(uri)
    40  	if err != nil {
    41  		return nil, nil, err
    42  	}
    43  	opts := uri.Query()
    44  
    45  	kubeletPort := defaultKubeletPort
    46  	if len(opts["kubeletPort"]) >= 1 {
    47  		kubeletPort, err = strconv.Atoi(opts["kubeletPort"][0])
    48  		if err != nil {
    49  			return nil, nil, err
    50  		}
    51  	}
    52  
    53  	kubeletHttps := defaultKubeletHttps
    54  	if len(opts["kubeletHttps"]) >= 1 {
    55  		kubeletHttps, err = strconv.ParseBool(opts["kubeletHttps"][0])
    56  		if err != nil {
    57  			return nil, nil, err
    58  		}
    59  	}
    60  
    61  	glog.Infof("Using Kubernetes client with master %q and version %+v\n", kubeConfig.Host, kubeConfig.GroupVersion)
    62  	glog.Infof("Using kubelet port %d", kubeletPort)
    63  
    64  	kubeletConfig := &kubelet_client.KubeletClientConfig{
    65  		Port:            uint(kubeletPort),
    66  		EnableHttps:     kubeletHttps,
    67  		TLSClientConfig: kubeConfig.TLSClientConfig,
    68  		BearerToken:     kubeConfig.BearerToken,
    69  	}
    70  
    71  	return kubeConfig, kubeletConfig, nil
    72  }