yunion.io/x/cloudmux@v0.3.10-0-alpha.1/pkg/multicloud/esxi/vswitch.go (about)

     1  // Copyright 2019 Yunion
     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 esxi
    16  
    17  import (
    18  	"regexp"
    19  
    20  	"github.com/coredns/coredns/plugin/pkg/log"
    21  	"github.com/vmware/govmomi/property"
    22  	"github.com/vmware/govmomi/vim25/mo"
    23  	"github.com/vmware/govmomi/vim25/types"
    24  
    25  	"yunion.io/x/pkg/errors"
    26  )
    27  
    28  var DVS_PROPS = []string{"name"}
    29  
    30  type IVirtualSwitch interface {
    31  	FindNetworkByVlanID(vlanID int32) (IVMNetwork, error)
    32  }
    33  
    34  type SVirtualSwitch struct {
    35  	Host              *SHost
    36  	HostVirtualSwitch types.HostVirtualSwitch
    37  }
    38  
    39  func (vs *SVirtualSwitch) FindNetworkByVlanID(vlanID int32) (IVMNetwork, error) {
    40  	vsKey := vs.HostVirtualSwitch.Key
    41  	pgs := vs.Host.getHostSystem().Config.Network.Portgroup
    42  	var networkName string
    43  	for i := range pgs {
    44  		if pgs[i].Vswitch != vsKey {
    45  			continue
    46  		}
    47  		if vlanEqual(pgs[i].Spec.VlanId, vlanID) {
    48  			networkName = pgs[i].Spec.Name
    49  			break
    50  		}
    51  	}
    52  	if len(networkName) == 0 {
    53  		return nil, nil
    54  	}
    55  	networks, err := vs.Host.GetNetworks()
    56  	if err != nil {
    57  		return nil, errors.Wrapf(err, "can't get networks of host %q", vs.Host.GetGlobalId())
    58  	}
    59  	for i := range networks {
    60  		if networks[i].GetName() == networkName {
    61  			return networks[i], nil
    62  		}
    63  	}
    64  	return nil, nil
    65  }
    66  
    67  type SDistributedVirtualSwitch struct {
    68  	Host                     *SHost
    69  	DistributedVirtualSwitch mo.DistributedVirtualSwitch
    70  }
    71  
    72  func (vs *SDistributedVirtualSwitch) FindNetworkByVlanID(vlanID int32) (IVMNetwork, error) {
    73  	var modvpgs []mo.DistributedVirtualPortgroup
    74  	filter := property.Filter{}
    75  	filter["config.distributedVirtualSwitch"] = vs.DistributedVirtualSwitch.Self
    76  	err := vs.Host.manager.scanMObjectsWithFilter(vs.Host.datacenter.object.Entity().Self, DVPORTGROUP_PROPS, &modvpgs, filter)
    77  	if err != nil {
    78  		return nil, errors.Wrapf(err, "can't fetch portgroup of DistributedVirtualSwitch %q", vs.DistributedVirtualSwitch.Name)
    79  	}
    80  	dvpgs := make([]*SDistributedVirtualPortgroup, 0, len(modvpgs))
    81  	for i := range modvpgs {
    82  		if modvpgs[i].Config.Uplink != nil && *modvpgs[i].Config.Uplink {
    83  			log.Infof("dvpg %s is uplink, so skip", modvpgs[i].Name)
    84  			continue
    85  		}
    86  		dvpgs = append(dvpgs, NewDistributedVirtualPortgroup(vs.Host.manager, &modvpgs[i], nil))
    87  	}
    88  	for i := range dvpgs {
    89  		if vlanEqual(dvpgs[i].GetVlanId(), vlanID) {
    90  			return dvpgs[i], nil
    91  		}
    92  	}
    93  	return nil, nil
    94  }
    95  
    96  func vlanEqual(v1, v2 int32) bool {
    97  	if v1 <= 1 && v2 <= 1 {
    98  		return true
    99  	}
   100  	return v1 == v2
   101  }
   102  
   103  var (
   104  	vsBridgeRegex  = regexp.MustCompile(`^(host-\d+)/(.*)`)
   105  	dvsBridgeRegex = regexp.MustCompile(`^dvs-\d+$`)
   106  )
   107  
   108  // config.distributedVirtualSwitch
   109  
   110  func findVirtualSwitch(host *SHost, bridge string) (IVirtualSwitch, error) {
   111  	group := vsBridgeRegex.FindStringSubmatch(bridge)
   112  	oHost := host.getHostSystem()
   113  	if len(group) > 0 {
   114  		// vswitch
   115  		vsName := group[2]
   116  		for _, vs := range oHost.Config.Network.Vswitch {
   117  			if vs.Name != vsName {
   118  				continue
   119  			}
   120  			return &SVirtualSwitch{
   121  				Host:              host,
   122  				HostVirtualSwitch: vs,
   123  			}, nil
   124  		}
   125  		return nil, nil
   126  	}
   127  
   128  	// distributed vswitch
   129  	if !dvsBridgeRegex.MatchString(bridge) {
   130  		return nil, nil
   131  	}
   132  	objRef := types.ManagedObjectReference{
   133  		Type:  "VmwareDistributedVirtualSwitch",
   134  		Value: bridge,
   135  	}
   136  	var dvs mo.DistributedVirtualSwitch
   137  	err := host.manager.reference2Object(objRef, DVS_PROPS, &dvs)
   138  	if err != nil {
   139  		return nil, errors.Wrapf(err, "can't fetch DistributedVirtualSwitch %q", objRef.String())
   140  	}
   141  	return &SDistributedVirtualSwitch{
   142  		Host:                     host,
   143  		DistributedVirtualSwitch: dvs,
   144  	}, nil
   145  }