yunion.io/x/cloudmux@v0.3.10-0-alpha.1/pkg/multicloud/huawei/loadbalancer_backend.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 huawei
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  
    21  	"yunion.io/x/jsonutils"
    22  	"yunion.io/x/log"
    23  
    24  	api "yunion.io/x/cloudmux/pkg/apis/compute"
    25  	"yunion.io/x/cloudmux/pkg/cloudprovider"
    26  	"yunion.io/x/cloudmux/pkg/multicloud"
    27  )
    28  
    29  type SElbBackend struct {
    30  	multicloud.SResourceBase
    31  	HuaweiTags
    32  	region       *SRegion
    33  	lb           *SLoadbalancer
    34  	backendGroup *SElbBackendGroup
    35  
    36  	Name            string `json:"name"`
    37  	Weight          int    `json:"weight"`
    38  	AdminStateUp    bool   `json:"admin_state_up"`
    39  	SubnetID        string `json:"subnet_id"`
    40  	TenantID        string `json:"tenant_id"`
    41  	ProjectID       string `json:"project_id"`
    42  	Address         string `json:"address"`
    43  	ProtocolPort    int    `json:"protocol_port"`
    44  	OperatingStatus string `json:"operating_status"`
    45  	ID              string `json:"id"`
    46  }
    47  
    48  func (self *SElbBackend) GetId() string {
    49  	return self.ID
    50  }
    51  
    52  func (self *SElbBackend) GetName() string {
    53  	return self.Name
    54  }
    55  
    56  func (self *SElbBackend) GetGlobalId() string {
    57  	return self.GetId()
    58  }
    59  
    60  func (self *SElbBackend) GetStatus() string {
    61  	return api.LB_STATUS_ENABLED
    62  }
    63  
    64  func (self *SElbBackend) Refresh() error {
    65  	backend, err := self.region.GetElbBackend(self.backendGroup.GetId(), self.ID)
    66  	if err != nil {
    67  		return err
    68  	}
    69  	return jsonutils.Update(self, backend)
    70  }
    71  
    72  func (self *SElbBackend) IsEmulated() bool {
    73  	return false
    74  }
    75  
    76  func (self *SElbBackend) GetProjectId() string {
    77  	return ""
    78  }
    79  
    80  func (self *SElbBackend) GetWeight() int {
    81  	return self.Weight
    82  }
    83  
    84  func (self *SElbBackend) GetPort() int {
    85  	return self.ProtocolPort
    86  }
    87  
    88  func (self *SElbBackend) GetBackendType() string {
    89  	return api.LB_BACKEND_GUEST
    90  }
    91  
    92  func (self *SElbBackend) GetBackendRole() string {
    93  	return api.LB_BACKEND_ROLE_DEFAULT
    94  }
    95  
    96  func (self *SElbBackend) GetBackendId() string {
    97  	i, err := self.lb.region.getInstanceByIP(self.Address)
    98  	if err != nil {
    99  		log.Errorf("ElbBackend GetBackendId %s", err)
   100  	}
   101  
   102  	if i != nil {
   103  		return i.GetId()
   104  	}
   105  
   106  	return ""
   107  }
   108  
   109  func (self *SElbBackend) GetIpAddress() string {
   110  	return ""
   111  }
   112  
   113  func (self *SElbBackend) SyncConf(ctx context.Context, port, weight int) error {
   114  	if port > 0 {
   115  		log.Warningf("Elb backend SyncConf unsupport modify port")
   116  	}
   117  
   118  	params := map[string]interface{}{
   119  		"weight": weight,
   120  	}
   121  	res := fmt.Sprintf("elb/pools/%s/members/%s", self.backendGroup.GetId(), self.ID)
   122  	_, err := self.region.lbUpdate(res, map[string]interface{}{"member": params})
   123  	return err
   124  }
   125  
   126  func (self *SRegion) getInstanceByIP(privateIP string) (*SInstance, error) {
   127  	queries := make(map[string]string)
   128  
   129  	if len(self.client.projectId) > 0 {
   130  		queries["project_id"] = self.client.projectId
   131  	}
   132  
   133  	if len(privateIP) > 0 {
   134  		queries["ip"] = privateIP
   135  	}
   136  
   137  	instances := make([]SInstance, 0)
   138  	err := doListAllWithOffset(self.ecsClient.Servers.List, queries, &instances)
   139  	if err != nil {
   140  		return nil, err
   141  	}
   142  
   143  	if len(instances) == 1 {
   144  		return &instances[0], nil
   145  	} else if len(instances) > 1 {
   146  		log.Warningf("SRegion.getInstanceByIP %s result: multiple server find", privateIP)
   147  		return &instances[0], nil
   148  	}
   149  
   150  	return nil, cloudprovider.ErrNotFound
   151  }
   152  
   153  func (self *SRegion) GetElbBackend(pool, id string) (*SElbBackend, error) {
   154  	res := fmt.Sprintf("elb/pools/%s/members/%s", pool, id)
   155  	resp, err := self.lbGet(res)
   156  	if err != nil {
   157  		return nil, err
   158  	}
   159  	ret := &SElbBackend{region: self}
   160  	return ret, resp.Unmarshal(ret, "member")
   161  }