/
nlb.go
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/
nlb.go
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/*
Copyright 2019 The Cloud-Barista Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package mcis is to manage multi-cloud infra service
package mcis
import (
"encoding/json"
"fmt"
"reflect"
"strconv"
"strings"
"time"
cbstore_utils "github.com/cloud-barista/cb-store/utils"
"github.com/cloud-barista/cb-tumblebug/src/core/common"
"github.com/cloud-barista/cb-tumblebug/src/core/mcir"
validator "github.com/go-playground/validator/v10"
"github.com/go-resty/resty/v2"
)
const nlbPostfix = "-nlb"
// 2022-07-15 https://github.com/cloud-barista/cb-spider/blob/master/cloud-control-manager/cloud-driver/interfaces/resources/NLBHandler.go
// SpiderNLBReqInfoWrapper is a wrapper struct to create JSON body of 'Create NLB request'
type SpiderNLBReqInfoWrapper struct {
ConnectionName string
ReqInfo SpiderNLBReqInfo
}
// 2022-07-15 https://github.com/cloud-barista/cb-spider/blob/a3ee3030e4b956bcb27691203f286265ab3a926e/api-runtime/rest-runtime/CCMRest.go#L1895
// SpiderNLBReqInfo is a struct to create JSON body of 'Create NLB request'
type SpiderNLBReqInfo struct {
Name string
VPCName string
Type string // PUBLIC(V) | INTERNAL
Scope string // REGION(V) | GLOBAL
//------ Frontend
Listener NLBListenerReq
//------ Backend
VMGroup SpiderNLBSubGroupReq
HealthChecker SpiderNLBHealthCheckerReq
}
type SpiderNLBHealthCheckerReq struct {
Protocol string `json:"protocol" example:"TCP"` // TCP|HTTP|HTTPS
Port string `json:"port" example:"22"` // Listener Port or 1-65535
Interval string `json:"interval" example:"default"` // secs, Interval time between health checks.
Timeout string `json:"timeout" example:"default"` // secs, Waiting time to decide an unhealthy VM when no response.
Threshold string `json:"threshold" example:"default"` // num, The number of continuous health checks to change the VM status.
}
type TbNLBHealthCheckerReq struct {
// Protocol string `json:"protocol" example:"TCP"` // TCP|HTTP|HTTPS
// Port string `json:"port" example:"22"` // Listener Port or 1-65535
Interval string `json:"interval" example:"default"` // secs, Interval time between health checks.
Timeout string `json:"timeout" example:"default"` // secs, Waiting time to decide an unhealthy VM when no response.
Threshold string `json:"threshold" example:"default"` // num, The number of continuous health checks to change the VM status.
}
type SpiderNLBSubGroupReq struct {
Protocol string // TCP|HTTP|HTTPS
Port string // Listener Port or 1-65535
VMs []string
}
// SpiderNLBAddRemoveVMReqInfoWrapper is a wrapper struct to create JSON body of 'Add/Remove VMs to/from NLB' request
type SpiderNLBAddRemoveVMReqInfoWrapper struct {
ConnectionName string
ReqInfo SpiderNLBSubGroupReq
}
// SpiderNLBInfo is a struct to handle NLB information from the CB-Spider's REST API response
type SpiderNLBInfo struct {
IId common.IID // {NameId, SystemId}
VpcIID common.IID // {NameId, SystemId}
Type string // PUBLIC(V) | INTERNAL
Scope string // REGION(V) | GLOBAL
//------ Frontend
Listener SpiderNLBListenerInfo
//------ Backend
VMGroup SpiderNLBSubGroupInfo
HealthChecker SpiderNLBHealthCheckerInfo
CreatedTime time.Time
KeyValueList []common.KeyValue
}
// NLBListenerReq is a struct to handle NLB Listener information of the CB-Spider's & CB-Tumblebug's REST API request
type NLBListenerReq struct { // for both Spider and Tumblebug
Protocol string `json:"protocol" example:"TCP"` // TCP|UDP
Port string `json:"port" example:"80"` // 1-65535
}
// SpiderNLBListenerInfo is a struct to handle NLB Listener information from the CB-Spider's REST API response
type SpiderNLBListenerInfo struct {
Protocol string `json:"protocol" example:"TCP"` // TCP|UDP
IP string `json:"ip" example:""` // Auto Generated and attached
Port string `json:"port" example:"80"` // 1-65535
DNSName string `json:"dnsName" example:""` // Optional, Auto Generated and attached
CspID string `json:"cspID"` // Optional, May be Used by Driver.
KeyValueList []common.KeyValue `json:"keyValueList"`
}
// TbNLBListenerInfo is a struct to handle NLB Listener information from the CB-Tumblebug's REST API response
type TbNLBListenerInfo struct {
Protocol string `json:"protocol" example:"TCP"` // TCP|UDP
IP string `json:"ip" example:"x.x.x.x"` // Auto Generated and attached
Port string `json:"port" example:"80"` // 1-65535
DNSName string `json:"dnsName" example:"ns01-group-cd3.elb.ap-northeast-2.amazonaws.com"` // Optional, Auto Generated and attached
KeyValueList []common.KeyValue `json:"keyValueList"`
}
// SpiderNLBSubGroupInfo is a struct from NLBSubGroupInfo from Spider
type SpiderNLBSubGroupInfo struct {
Protocol string // TCP|UDP|HTTP|HTTPS
Port string // 1-65535
VMs *[]common.IID
CspID string `json:"cspID"` // Optional, May be Used by Driver.
KeyValueList []common.KeyValue `json:"keyValueList"`
}
type SpiderNLBHealthCheckerInfo struct {
Protocol string `json:"protocol" example:"TCP"` // TCP|HTTP|HTTPS
Port string `json:"port" example:"22"` // Listener Port or 1-65535
Interval int `json:"interval" example:"10"` // secs, Interval time between health checks.
Timeout int `json:"timeout" example:"10"` // secs, Waiting time to decide an unhealthy VM when no response.
Threshold int `json:"threshold" example:"3"` // num, The number of continuous health checks to change the VM status.
CspID string `json:"cspID"` // Optional, May be Used by Driver.
KeyValueList []common.KeyValue `json:"keyValueList"`
}
type TbNLBHealthCheckerInfo struct {
Protocol string `json:"protocol" example:"TCP"` // TCP|HTTP|HTTPS
Port string `json:"port" example:"22"` // Listener Port or 1-65535
Interval int `json:"interval" example:"10"` // secs, Interval time between health checks.
Timeout int `json:"timeout" example:"10"` // secs, Waiting time to decide an unhealthy VM when no response.
Threshold int `json:"threshold" example:"3"` // num, The number of continuous health checks to change the VM status.
KeyValueList []common.KeyValue `json:"keyValueList"`
}
type SpiderNLBHealthInfoWrapper struct {
Healthinfo SpiderNLBHealthInfo
}
type SpiderNLBHealthInfo struct {
AllVMs *[]common.IID
HealthyVMs *[]common.IID
UnHealthyVMs *[]common.IID
}
type TbNLBTargetGroupReq struct {
Protocol string `json:"protocol" example:"TCP"` // TCP|HTTP|HTTPS
Port string `json:"port" example:"80"` // Listener Port or 1-65535
SubGroupId string `json:"subGroupId" example:"g1"`
}
type TbNLBTargetGroupInfo struct {
Protocol string `json:"protocol" example:"TCP"` // TCP|HTTP|HTTPS
Port string `json:"port" example:"80"` // Listener Port or 1-65535
SubGroupId string `json:"subGroupId" example:"g1"`
VMs []string `json:"vms"`
KeyValueList []common.KeyValue
}
// TbNLBReq is a struct to handle 'Create nlb' request toward CB-Tumblebug.
type TbNLBReq struct { // Tumblebug
// Name string `json:"name" validate:"required" example:"mc"`
// ConnectionName string `json:"connectionName" validate:"required" example:"aws-ap-northeast-2"`
// VNetId string `json:"vNetId" validate:"required" example:"ns01-systemdefault-aws-ap-northeast-2"`
Description string `json:"description"`
// Existing NLB (used only for option=register)
CspNLBId string `json:"cspNLBId"`
Type string `json:"type" validate:"required" enums:"PUBLIC,INTERNAL" example:"PUBLIC"` // PUBLIC(V) | INTERNAL
Scope string `json:"scope" validate:"required" enums:"REGION,GLOBAL" example:"REGION"` // REGION(V) | GLOBAL
// Frontend
Listener NLBListenerReq `json:"listener" validate:"required"`
// Backend
TargetGroup TbNLBTargetGroupReq `json:"targetGroup" validate:"required"`
// HealthChecker
HealthChecker TbNLBHealthCheckerReq `json:"healthChecker" validate:"required"`
}
// TbNLBReqStructLevelValidation is a function to validate 'TbNLBReq' object.
func TbNLBReqStructLevelValidation(sl validator.StructLevel) {
u := sl.Current().Interface().(TbNLBReq)
err := common.CheckString(u.TargetGroup.SubGroupId)
if err != nil {
// ReportError(field interface{}, fieldName, structFieldName, tag, param string)
sl.ReportError(u.TargetGroup.SubGroupId, "name", "Name", err.Error(), "")
}
}
// TbNLBInfo is a struct that represents TB nlb object.
type TbNLBInfo struct { // Tumblebug
Id string `json:"id"`
Name string `json:"name"`
ConnectionName string `json:"connectionName"`
Type string // PUBLIC(V) | INTERNAL
Scope string // REGION(V) | GLOBAL
//------ Frontend
Listener TbNLBListenerInfo `json:"listener"`
//------ Backend
TargetGroup TbNLBTargetGroupInfo `json:"targetGroup"`
HealthChecker TbNLBHealthCheckerInfo `json:"healthChecker"`
CreatedTime time.Time
Description string `json:"description"`
CspNLBId string `json:"cspNLBId"`
CspNLBName string `json:"cspNLBName"`
Status string `json:"status"`
KeyValueList []common.KeyValue `json:"keyValueList"`
AssociatedObjectList []string `json:"associatedObjectList"`
IsAutoGenerated bool `json:"isAutoGenerated"`
Location common.GeoLocation `json:"location"`
// SystemLabel is for describing the MCIR in a keyword (any string can be used) for special System purpose
SystemLabel string `json:"systemLabel" example:"Managed by CB-Tumblebug" default:""`
// Disabled for now
//Region string `json:"region"`
//ResourceGroupName string `json:"resourceGroupName"`
}
type TbNLBHealthInfo struct { // Tumblebug
AllVMs []string
HealthyVMs []string
UnHealthyVMs []string
}
// TbNLBAddRemoveVMReq is a struct to handle 'Add/Remove VMs to/from NLB' request toward CB-Tumblebug.
type TbNLBAddRemoveVMReq struct { // Tumblebug
TargetGroup TbNLBTargetGroupInfo `json:"targetGroup"`
}
// CreateMcSwNlb func create a special purpose MCIS for NLB and depoly and setting SW NLB
func CreateMcSwNlb(nsId string, mcisId string, req *TbNLBReq, option string) (TbMcisInfo, error) {
fmt.Println("=========================== CreateMcSwNlb")
emptyObj := TbMcisInfo{}
err := common.CheckString(nsId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
err = common.CheckString(mcisId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
nlbMcisId := mcisId + nlbPostfix
// create a special MCIS for (SW)NLB
mcisDynamicReq := TbMcisDynamicReq{Name: nlbMcisId, InstallMonAgent: "no", Label: "McSwNlb"}
// get vm requst from cloud_conf.yaml
vmGroupName := "nlb"
// default commonSpec
commonSpec := common.RuntimeConf.Nlbsw.NlbMcisCommonSpec
commonImage := common.RuntimeConf.Nlbsw.NlbMcisCommonImage
subGroupSize := common.RuntimeConf.Nlbsw.NlbMcisSubGroupSize
// Option can be applied
// get recommended location and spec for the NLB host based on existing MCIS
deploymentPlan := DeploymentPlan{}
deploymentPlan.Priority.Policy = append(deploymentPlan.Priority.Policy, PriorityCondition{Metric: "latency"})
deploymentPlan.Priority.Policy[0].Parameter = append(deploymentPlan.Priority.Policy[0].Parameter, ParameterKeyVal{Key: "latencyMinimal"})
mcis, err := GetMcisObject(nsId, mcisId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
for _, vm := range mcis.Vm {
regionOfVm := vm.ConnectionConfig.RegionName
deploymentPlan.Priority.Policy[0].Parameter[0].Val = append(deploymentPlan.Priority.Policy[0].Parameter[0].Val, regionOfVm)
}
specList, err := RecommendVm(common.SystemCommonNs, deploymentPlan)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
if len(specList) != 0 {
recommendedSpec := specList[0].Id
commonSpec = recommendedSpec
}
vmDynamicReq := TbVmDynamicReq{Name: vmGroupName, CommonSpec: commonSpec, CommonImage: commonImage, SubGroupSize: subGroupSize}
mcisDynamicReq.Vm = append(mcisDynamicReq.Vm, vmDynamicReq)
mcisInfo, err := CreateMcisDynamic(nsId, &mcisDynamicReq)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
// Sleep for 60 seconds for a safe NLB installation.
fmt.Printf("\n\n[Info] Sleep for 30 seconds for safe NLB installation.\n\n")
time.Sleep(30 * time.Second)
// Deploy SW NLB
cmd := common.RuntimeConf.Nlbsw.CommandNlbPrepare
_, err = RemoteCommandToMcis(nsId, nlbMcisId, "", &McisCmdReq{Command: cmd})
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
cmd = common.RuntimeConf.Nlbsw.CommandNlbDeploy + " " + mcisId + " " + common.ToLower(req.Listener.Protocol) + " " + req.Listener.Port
_, err = RemoteCommandToMcis(nsId, nlbMcisId, "", &McisCmdReq{Command: cmd})
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
// nodeId=${1:-vm}
// nodeIp=${2:-127.0.0.1}
// targetPort=${3:-80}
accessList, err := GetMcisAccessInfo(nsId, mcisId, "")
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
for _, v := range accessList.McisSubGroupAccessInfo {
for _, k := range v.McisVmAccessInfo {
cmd = common.RuntimeConf.Nlbsw.CommandNlbAddTargetNode + " " + k.VmId + " " + k.PublicIP + " " + req.TargetGroup.Port
_, err = RemoteCommandToMcis(nsId, nlbMcisId, "", &McisCmdReq{Command: cmd})
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
}
}
cmd = common.RuntimeConf.Nlbsw.CommandNlbApplyConfig
_, err = RemoteCommandToMcis(nsId, nlbMcisId, "", &McisCmdReq{Command: cmd})
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
return *mcisInfo, err
}
// CreateNLB accepts nlb creation request, creates and returns an TB nlb object
func CreateNLB(nsId string, mcisId string, u *TbNLBReq, option string) (TbNLBInfo, error) {
fmt.Println("=========================== CreateNLB")
emptyObj := TbNLBInfo{}
err := common.CheckString(nsId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
err = common.CheckString(mcisId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
err = common.CheckString(u.TargetGroup.SubGroupId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
err = validate.Struct(u)
if err != nil {
if _, ok := err.(*validator.InvalidValidationError); ok {
fmt.Println(err)
return emptyObj, err
}
return emptyObj, err
}
check, err := CheckNLB(nsId, mcisId, u.TargetGroup.SubGroupId)
if check {
err := fmt.Errorf("The nlb " + u.TargetGroup.SubGroupId + " already exists.")
return emptyObj, err
}
if err != nil {
err := fmt.Errorf("Failed to check the existence of the nlb " + u.TargetGroup.SubGroupId + ".")
return emptyObj, err
}
vmIDs, err := ListMcisGroupVms(nsId, mcisId, u.TargetGroup.SubGroupId)
if err != nil {
err := fmt.Errorf("Failed to get VMs in the SubGroup " + u.TargetGroup.SubGroupId + ".")
return emptyObj, err
}
if len(vmIDs) == 0 {
err := fmt.Errorf("There is no VMs in the SubGroup " + u.TargetGroup.SubGroupId + ".")
return emptyObj, err
}
vm, err := GetVmObject(nsId, mcisId, vmIDs[0])
if err != nil {
err := fmt.Errorf("Failed to get VM " + vmIDs[0] + ".")
return emptyObj, err
}
vNetInfo := mcir.TbVNetInfo{}
tempInterface, err := mcir.GetResource(nsId, common.StrVNet, vm.VNetId)
if err != nil {
err := fmt.Errorf("Failed to get the TbVNetInfo " + vm.VNetId + ".")
return emptyObj, err
}
err = common.CopySrcToDest(&tempInterface, &vNetInfo)
if err != nil {
err := fmt.Errorf("Failed to get the TbVNetInfo-CopySrcToDest() " + vm.VNetId + ".")
return emptyObj, err
}
tempReq := SpiderNLBReqInfoWrapper{
ConnectionName: vm.ConnectionName,
ReqInfo: SpiderNLBReqInfo{
Name: fmt.Sprintf("%s-%s", nsId, u.TargetGroup.SubGroupId),
VPCName: vNetInfo.CspVNetName,
Type: u.Type,
Scope: u.Scope,
Listener: u.Listener,
HealthChecker: SpiderNLBHealthCheckerReq{
Protocol: u.TargetGroup.Protocol,
Port: u.TargetGroup.Port,
Interval: u.HealthChecker.Interval,
Timeout: u.HealthChecker.Timeout,
Threshold: u.HealthChecker.Threshold,
},
VMGroup: SpiderNLBSubGroupReq{
Protocol: u.TargetGroup.Protocol,
Port: u.TargetGroup.Port,
},
},
}
connConfig, err := common.GetConnConfig(vm.ConnectionName)
if err != nil {
err := fmt.Errorf("Failed to get the connConfig " + vm.ConnectionName + ".")
return emptyObj, err
}
cloudType := connConfig.ProviderName
// Convert cloud type to field name (e.g., AWS to Aws, OPENSTACK to Openstack)
lowercase := strings.ToLower(cloudType)
fieldName := strings.ToUpper(string(lowercase[0])) + lowercase[1:]
// Get cloud setting with field name
cloudSetting := common.CloudSetting{}
getCloudSetting := func() {
// cloudSetting := common.CloudSetting{}
defer func() {
if err := recover(); err != nil {
fmt.Println(err)
cloudSetting = reflect.ValueOf(&common.RuntimeConf.Cloud).Elem().FieldByName("Common").Interface().(common.CloudSetting)
}
}()
cloudSetting = reflect.ValueOf(&common.RuntimeConf.Cloud).Elem().FieldByName(fieldName).Interface().(common.CloudSetting)
// return cloudSetting
}
getCloudSetting()
// Set nlb health checker info
valuesFromYaml := TbNLBHealthCheckerInfo{}
valuesFromYaml.Interval, _ = strconv.Atoi(cloudSetting.Nlb.Interval)
valuesFromYaml.Timeout, _ = strconv.Atoi(cloudSetting.Nlb.Timeout)
valuesFromYaml.Threshold, _ = strconv.Atoi(cloudSetting.Nlb.Threshold)
if u.HealthChecker.Interval == "default" || u.HealthChecker.Interval == "" {
tempReq.ReqInfo.HealthChecker.Interval = strconv.Itoa(valuesFromYaml.Interval)
}
if u.HealthChecker.Timeout == "default" || u.HealthChecker.Timeout == "" {
tempReq.ReqInfo.HealthChecker.Timeout = strconv.Itoa(valuesFromYaml.Timeout)
}
if u.HealthChecker.Threshold == "default" || u.HealthChecker.Threshold == "" {
tempReq.ReqInfo.HealthChecker.Threshold = strconv.Itoa(valuesFromYaml.Threshold)
}
for _, v := range vmIDs {
vm, err := GetVmObject(nsId, mcisId, v)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
// fmt.Println("vm:") // for debug
// payload, _ := json.MarshalIndent(vm, "", " ") // for debug
// fmt.Print(string(payload)) // for debug
// fmt.Print("vm.CspViewVmDetail.IId.NameId: " + vm.CspViewVmDetail.IId.NameId) // for debug
tempReq.ReqInfo.VMGroup.VMs = append(tempReq.ReqInfo.VMGroup.VMs, vm.CspViewVmDetail.IId.NameId)
}
// fmt.Printf("u.TargetGroup.VMs: %s \n", u.TargetGroup.VMs) // for debug
// fmt.Printf("tempReq.ReqInfo.SubGroup.VMs: %s \n", tempReq.ReqInfo.SubGroup.VMs) // for debug
var tempSpiderNLBInfo *SpiderNLBInfo
client := resty.New().SetCloseConnection(true)
client.SetAllowGetMethodPayload(true)
// fmt.Println("tempReq:") // for debug
// payload, _ := json.MarshalIndent(tempReq, "", " ") // for debug
// fmt.Print(string(payload)) // for debug
req := client.R().
SetHeader("Content-Type", "application/json").
SetBody(tempReq).
SetResult(&SpiderNLBInfo{}) // or SetResult(AuthSuccess{}).
//SetError(&AuthError{}). // or SetError(AuthError{}).
var resp *resty.Response
var url string
if option == "register" && u.CspNLBId == "" {
url = fmt.Sprintf("%s/nlb/%s", common.SpiderRestUrl, u.TargetGroup.SubGroupId)
resp, err = req.Get(url)
} else if option == "register" && u.CspNLBId != "" {
url = fmt.Sprintf("%s/regnlb", common.SpiderRestUrl)
resp, err = req.Post(url)
} else { // option != "register"
url = fmt.Sprintf("%s/nlb", common.SpiderRestUrl)
resp, err = req.Post(url)
}
if err != nil {
common.CBLog.Error(err)
err := fmt.Errorf("an error occurred while requesting to CB-Spider")
return emptyObj, err
}
fmt.Println("HTTP Status code: " + strconv.Itoa(resp.StatusCode()))
switch {
case resp.StatusCode() >= 400 || resp.StatusCode() < 200:
err := fmt.Errorf(string(resp.Body()))
common.CBLog.Error(err)
return emptyObj, err
}
tempSpiderNLBInfo = resp.Result().(*SpiderNLBInfo)
regionTmp, _ := common.GetRegion(connConfig.RegionName)
nativeRegion := ""
for _, v := range regionTmp.KeyValueInfoList {
if strings.ToLower(v.Key) == "region" || strings.ToLower(v.Key) == "location" {
nativeRegion = v.Value
break
}
}
content := TbNLBInfo{
Id: u.TargetGroup.SubGroupId,
Name: u.TargetGroup.SubGroupId,
ConnectionName: vm.ConnectionName,
Type: tempSpiderNLBInfo.Type,
Scope: tempSpiderNLBInfo.Scope,
Listener: TbNLBListenerInfo{
Protocol: tempSpiderNLBInfo.Listener.Protocol,
IP: tempSpiderNLBInfo.Listener.IP,
Port: tempSpiderNLBInfo.Listener.Port,
DNSName: tempSpiderNLBInfo.Listener.DNSName,
KeyValueList: tempSpiderNLBInfo.Listener.KeyValueList,
},
HealthChecker: TbNLBHealthCheckerInfo{
Protocol: tempSpiderNLBInfo.HealthChecker.Protocol,
Port: tempSpiderNLBInfo.HealthChecker.Port,
Interval: tempSpiderNLBInfo.HealthChecker.Interval,
Timeout: tempSpiderNLBInfo.HealthChecker.Timeout,
Threshold: tempSpiderNLBInfo.HealthChecker.Threshold,
KeyValueList: tempSpiderNLBInfo.HealthChecker.KeyValueList,
},
CspNLBId: tempSpiderNLBInfo.IId.SystemId,
CspNLBName: tempSpiderNLBInfo.IId.NameId,
CreatedTime: tempSpiderNLBInfo.CreatedTime,
Description: u.Description,
KeyValueList: tempSpiderNLBInfo.KeyValueList,
AssociatedObjectList: []string{},
TargetGroup: TbNLBTargetGroupInfo{
Protocol: tempSpiderNLBInfo.VMGroup.Protocol,
Port: tempSpiderNLBInfo.VMGroup.Port,
SubGroupId: u.TargetGroup.SubGroupId,
VMs: vmIDs,
KeyValueList: tempSpiderNLBInfo.VMGroup.KeyValueList,
},
Location: common.GetCloudLocation(strings.ToLower(connConfig.ProviderName), strings.ToLower(nativeRegion)),
}
if option == "register" && u.CspNLBId == "" {
content.SystemLabel = "Registered from CB-Spider resource"
} else if option == "register" && u.CspNLBId != "" {
content.SystemLabel = "Registered from CSP resource"
}
// cb-store
// Key := common.GenResourceKey(nsId, common.StrNLB, content.Id)
Key := GenNLBKey(nsId, mcisId, content.Id)
Val, _ := json.Marshal(content)
err = common.CBStore.Put(Key, string(Val))
if err != nil {
common.CBLog.Error(err)
return content, err
}
keyValue, err := common.CBStore.Get(Key)
if err != nil {
common.CBLog.Error(err)
err = fmt.Errorf("In CreateNLB(); CBStore.Get() returned an error.")
common.CBLog.Error(err)
// return nil, err
}
fmt.Println("<" + keyValue.Key + "> \n" + keyValue.Value)
fmt.Println("===========================")
result := TbNLBInfo{}
err = json.Unmarshal([]byte(keyValue.Value), &result)
if err != nil {
common.CBLog.Error(err)
}
return result, nil
}
// GetNLB returns the requested TB NLB object
func GetNLB(nsId string, mcisId string, resourceId string) (TbNLBInfo, error) {
emptyObj := TbNLBInfo{}
err := common.CheckString(nsId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
err = common.CheckString(mcisId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
err = common.CheckString(resourceId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
check, err := CheckNLB(nsId, mcisId, resourceId)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
if !check {
errString := "The NLB " + resourceId + " does not exist."
err := fmt.Errorf(errString)
return emptyObj, err
}
fmt.Println("[Get NLB] " + resourceId)
// key := common.GenResourceKey(nsId, resourceType, resourceId)
key := GenNLBKey(nsId, mcisId, resourceId)
keyValue, err := common.CBStore.Get(key)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
res := TbNLBInfo{}
if keyValue != nil {
err = json.Unmarshal([]byte(keyValue.Value), &res)
if err != nil {
common.CBLog.Error(err)
return emptyObj, err
}
return res, nil
}
errString := "Cannot get the NLB " + resourceId + "."
err = fmt.Errorf(errString)
return res, err
}
// GetMcNlbAccess returns the requested TB G-NLB access info (currenly MCIS)
func GetMcNlbAccess(nsId string, mcisId string) (*McisAccessInfo, error) {
nlbMcisId := mcisId + nlbPostfix
return GetMcisAccessInfo(nsId, nlbMcisId, "")
}
// CheckNLB returns the existence of the TB NLB object in bool form.
func CheckNLB(nsId string, mcisId string, resourceId string) (bool, error) {
// Check parameters' emptiness
if nsId == "" {
err := fmt.Errorf("CheckResource failed; nsId given is null.")
return false, err
} else if resourceId == "" {
err := fmt.Errorf("CheckResource failed; resourceId given is null.")
return false, err
}
err := common.CheckString(nsId)
if err != nil {
common.CBLog.Error(err)
return false, err
}
err = common.CheckString(mcisId)
if err != nil {
common.CBLog.Error(err)
return false, err
}
err = common.CheckString(resourceId)
if err != nil {
common.CBLog.Error(err)
return false, err
}
fmt.Println("[Check NLB] " + resourceId)
// key := common.GenResourceKey(nsId, resourceType, resourceId)
key := GenNLBKey(nsId, mcisId, resourceId)
keyValue, err := common.CBStore.Get(key)
if err != nil {
common.CBLog.Error(err)
return false, err
}
if keyValue != nil {
return true, nil
}
return false, nil
}
// GenNLBKey is func to generate a key from NLB id
func GenNLBKey(nsId string, mcisId string, resourceId string) string {
err := common.CheckString(nsId)
if err != nil {
common.CBLog.Error(err)
return "/invalidKey"
}
err = common.CheckString(mcisId)
if err != nil {
common.CBLog.Error(err)
return "/invalidKey"
}
err = common.CheckString(resourceId)
if err != nil {
common.CBLog.Error(err)
return "/invalidKey"
}
return fmt.Sprintf("/ns/%s/mcis/%s/nlb/%s", nsId, mcisId, resourceId)
}
// ListNLBId returns the list of TB NLB object IDs of given nsId
func ListNLBId(nsId string, mcisId string) ([]string, error) {
err := common.CheckString(nsId)
if err != nil {
common.CBLog.Error(err)
return nil, err
}
err = common.CheckString(mcisId)
if err != nil {
common.CBLog.Error(err)
return nil, err
}
fmt.Println("[ListNLBId] ns: " + nsId)
// key := "/ns/" + nsId + "/"
key := fmt.Sprintf("/ns/%s/mcis/%s/", nsId, mcisId)
fmt.Println(key)
keyValue, err := common.CBStore.GetList(key, true)
if err != nil {
common.CBLog.Error(err)
return nil, err
}
/* if keyValue == nil, then for-loop below will not be executed, and the empty array will be returned in `resourceList` placeholder.
if keyValue == nil {
err = fmt.Errorf("ListResourceId(); %s is empty.", key)
common.CBLog.Error(err)
return nil, err
}
*/
var resourceList []string
for _, v := range keyValue {
trimmedString := strings.TrimPrefix(v.Key, (key + "nlb/"))
// prevent malformed key (if key for resource id includes '/', the key does not represent resource ID)
if !strings.Contains(trimmedString, "/") {
resourceList = append(resourceList, trimmedString)
}
}
return resourceList, nil
}
// ListNLB returns the list of TB NLB objects of given nsId
func ListNLB(nsId string, mcisId string, filterKey string, filterVal string) (interface{}, error) {
err := common.CheckString(nsId)
if err != nil {
common.CBLog.Error(err)
return nil, err
}
err = common.CheckString(mcisId)
if err != nil {
common.CBLog.Error(err)
return nil, err
}
fmt.Println("[Get] NLB list")
key := fmt.Sprintf("/ns/%s/mcis/%s/nlb", nsId, mcisId)
fmt.Println(key)
keyValue, err := common.CBStore.GetList(key, true)
keyValue = cbstore_utils.GetChildList(keyValue, key)
if err != nil {
common.CBLog.Error(err)
return nil, err
}
if keyValue != nil {
res := []TbNLBInfo{}
for _, v := range keyValue {
tempObj := TbNLBInfo{}
err = json.Unmarshal([]byte(v.Value), &tempObj)
if err != nil {
common.CBLog.Error(err)
return nil, err
}
// Check the JSON body inclues both filterKey and filterVal strings. (assume key and value)
if filterKey != "" {
// If not inclues both, do not append current item to the list result.
itemValueForCompare := strings.ToLower(v.Value)
if !(strings.Contains(itemValueForCompare, strings.ToLower(filterKey)) && strings.Contains(itemValueForCompare, strings.ToLower(filterVal))) {
continue
}
}
res = append(res, tempObj)
}
return res, nil
} else { //return empty object according to resourceType
res := []TbNLBInfo{}
return res, nil
}
err = fmt.Errorf("Some exceptional case happened. Please check the references of " + common.GetFuncName())
return nil, err // if interface{} == nil, make err be returned. Should not come this part if there is no err.
}
// DelNLB deletes the TB NLB object
func DelNLB(nsId string, mcisId string, resourceId string, forceFlag string) error {
err := common.CheckString(nsId)
if err != nil {
common.CBLog.Error(err)
return err
}
err = common.CheckString(mcisId)
if err != nil {
common.CBLog.Error(err)
return err
}
err = common.CheckString(resourceId)
if err != nil {
common.CBLog.Error(err)
return err
}
check, err := CheckNLB(nsId, mcisId, resourceId)
if err != nil {
common.CBLog.Error(err)
return err
}
if !check {
errString := "The NLB " + resourceId + " does not exist."
err := fmt.Errorf(errString)
return err
}
key := GenNLBKey(nsId, mcisId, resourceId)
fmt.Println("key: " + key)
keyValue, _ := common.CBStore.Get(key)
// In CheckResource() above, calling 'CBStore.Get()' and checking err parts exist.
// So, in here, we don't need to check whether keyValue == nil or err != nil.
// Deleting NLB should be possible, even if backend VMs still exist.
// So here 'associated object' codes are commented.
/*
associatedList, _ := GetAssociatedObjectList(nsId, resourceType, resourceId)
if len(associatedList) == 0 {
// continue
} else {
errString := " [Failed]" + " Associated with [" + strings.Join(associatedList[:], ", ") + "]"
err := fmt.Errorf(errString)
common.CBLog.Error(err)
return err
}
*/
//cspType := common.GetResourcesCspType(nsId, resourceType, resourceId)
// NLB has no childResources, so below line is commented.
// var childResources interface{}
var url string
// Create Req body
type JsonTemplate struct {
ConnectionName string
}
tempReq := JsonTemplate{}
temp := TbNLBInfo{}
err = json.Unmarshal([]byte(keyValue.Value), &temp)
if err != nil {
common.CBLog.Error(err)
return err
}
tempReq.ConnectionName = temp.ConnectionName
url = common.SpiderRestUrl + "/nlb/" + temp.CspNLBName
fmt.Println("url: " + url)
client := resty.New().SetCloseConnection(true)
resp, err := client.R().
SetHeader("Content-Type", "application/json").