hcnutils.go

Documentation: k8s.io/kubernetes/pkg/proxy/winkernel

     1  //go:build windows
     2  // +build windows
     3  
     4  /*
     5  Copyright 2018 The Kubernetes Authors.
     6  
     7  Licensed under the Apache License, Version 2.0 (the "License");
     8  you may not use this file except in compliance with the License.
     9  You may obtain a copy of the License at
    10  
    11      http://www.apache.org/licenses/LICENSE-2.0
    12  
    13  Unless required by applicable law or agreed to in writing, software
    14  distributed under the License is distributed on an "AS IS" BASIS,
    15  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16  See the License for the specific language governing permissions and
    17  limitations under the License.
    18  */
    19  
    20  package winkernel
    21  
    22  import (
    23  	"github.com/Microsoft/hcsshim"
    24  	"github.com/Microsoft/hcsshim/hcn"
    25  	"k8s.io/klog/v2"
    26  )
    27  
    28  type HcnService interface {
    29  	// Network functions
    30  	GetNetworkByName(networkName string) (*hcn.HostComputeNetwork, error)
    31  	GetNetworkByID(networkID string) (*hcn.HostComputeNetwork, error)
    32  	// Endpoint functions
    33  	ListEndpoints() ([]hcn.HostComputeEndpoint, error)
    34  	ListEndpointsOfNetwork(networkId string) ([]hcn.HostComputeEndpoint, error)
    35  	GetEndpointByID(endpointId string) (*hcn.HostComputeEndpoint, error)
    36  	GetEndpointByName(endpointName string) (*hcn.HostComputeEndpoint, error)
    37  	CreateEndpoint(network *hcn.HostComputeNetwork, endpoint *hcn.HostComputeEndpoint) (*hcn.HostComputeEndpoint, error)
    38  	CreateRemoteEndpoint(network *hcn.HostComputeNetwork, endpoint *hcn.HostComputeEndpoint) (*hcn.HostComputeEndpoint, error)
    39  	DeleteEndpoint(endpoint *hcn.HostComputeEndpoint) error
    40  	// LoadBalancer functions
    41  	ListLoadBalancers() ([]hcn.HostComputeLoadBalancer, error)
    42  	GetLoadBalancerByID(loadBalancerId string) (*hcn.HostComputeLoadBalancer, error)
    43  	CreateLoadBalancer(loadBalancer *hcn.HostComputeLoadBalancer) (*hcn.HostComputeLoadBalancer, error)
    44  	DeleteLoadBalancer(loadBalancer *hcn.HostComputeLoadBalancer) error
    45  	// Features functions
    46  	GetSupportedFeatures() hcn.SupportedFeatures
    47  	Ipv6DualStackSupported() error
    48  	DsrSupported() error
    49  	// Policy functions
    50  	DeleteAllHnsLoadBalancerPolicy()
    51  }
    52  
    53  type hcnImpl struct{}
    54  
    55  func newHcnImpl() hcnImpl {
    56  	return hcnImpl{}
    57  }
    58  
    59  func (hcnObj hcnImpl) GetNetworkByName(networkName string) (*hcn.HostComputeNetwork, error) {
    60  	return hcn.GetNetworkByName(networkName)
    61  }
    62  
    63  func (hcnObj hcnImpl) GetNetworkByID(networkID string) (*hcn.HostComputeNetwork, error) {
    64  	return hcn.GetNetworkByID(networkID)
    65  }
    66  
    67  func (hcnObj hcnImpl) ListEndpoints() ([]hcn.HostComputeEndpoint, error) {
    68  	return hcn.ListEndpoints()
    69  }
    70  
    71  func (hcnObj hcnImpl) ListEndpointsOfNetwork(networkId string) ([]hcn.HostComputeEndpoint, error) {
    72  	return hcn.ListEndpointsOfNetwork(networkId)
    73  }
    74  
    75  func (hcnObj hcnImpl) GetEndpointByID(endpointId string) (*hcn.HostComputeEndpoint, error) {
    76  	return hcn.GetEndpointByID(endpointId)
    77  }
    78  
    79  func (hcnObj hcnImpl) GetEndpointByName(endpointName string) (*hcn.HostComputeEndpoint, error) {
    80  	return hcn.GetEndpointByName(endpointName)
    81  }
    82  
    83  func (hcnObj hcnImpl) CreateEndpoint(network *hcn.HostComputeNetwork, endpoint *hcn.HostComputeEndpoint) (*hcn.HostComputeEndpoint, error) {
    84  	return network.CreateEndpoint(endpoint)
    85  }
    86  
    87  func (hcnObj hcnImpl) CreateRemoteEndpoint(network *hcn.HostComputeNetwork, endpoint *hcn.HostComputeEndpoint) (*hcn.HostComputeEndpoint, error) {
    88  	return network.CreateRemoteEndpoint(endpoint)
    89  }
    90  
    91  func (hcnObj hcnImpl) DeleteEndpoint(endpoint *hcn.HostComputeEndpoint) error {
    92  	return endpoint.Delete()
    93  }
    94  
    95  func (hcnObj hcnImpl) ListLoadBalancers() ([]hcn.HostComputeLoadBalancer, error) {
    96  	return hcn.ListLoadBalancers()
    97  }
    98  
    99  func (hcnObj hcnImpl) GetLoadBalancerByID(loadBalancerId string) (*hcn.HostComputeLoadBalancer, error) {
   100  	return hcn.GetLoadBalancerByID(loadBalancerId)
   101  }
   102  
   103  func (hcnObj hcnImpl) CreateLoadBalancer(loadBalancer *hcn.HostComputeLoadBalancer) (*hcn.HostComputeLoadBalancer, error) {
   104  	return loadBalancer.Create()
   105  }
   106  
   107  func (hcnObj hcnImpl) DeleteLoadBalancer(loadBalancer *hcn.HostComputeLoadBalancer) error {
   108  	return loadBalancer.Delete()
   109  }
   110  
   111  func (hcnObj hcnImpl) GetSupportedFeatures() hcn.SupportedFeatures {
   112  	return hcn.GetSupportedFeatures()
   113  }
   114  
   115  func (hcnObj hcnImpl) Ipv6DualStackSupported() error {
   116  	return hcn.IPv6DualStackSupported()
   117  }
   118  
   119  func (hcnObj hcnImpl) DsrSupported() error {
   120  	return hcn.DSRSupported()
   121  }
   122  
   123  func (hcnObj hcnImpl) DeleteAllHnsLoadBalancerPolicy() {
   124  	plists, err := hcsshim.HNSListPolicyListRequest()
   125  	if err != nil {
   126  		return
   127  	}
   128  	for _, plist := range plists {
   129  		klog.V(3).InfoS("Remove policy", "policies", plist)
   130  		_, err = plist.Delete()
   131  		if err != nil {
   132  			klog.ErrorS(err, "Failed to delete policy list")
   133  		}
   134  	}
   135  }
   136
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