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requests.go
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requests.go
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package serversext
import (
"math"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack"
"github.com/gophercloud/gophercloud/openstack/blockstorage/v2/volumes"
"github.com/gophercloud/gophercloud/openstack/bss/v1/resource"
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/bootwithscheduler"
"github.com/gophercloud/gophercloud/openstack/compute/v2/servers"
"github.com/gophercloud/gophercloud/openstack/networking/v2/networks"
//"github.com/gophercloud/gophercloud/openstack/ecs/v1/cloudserversext"
"github.com/gophercloud/gophercloud/openstack/ecs/v1/cloudservers"
"fmt"
"encoding/json"
)
func CreateServer(client *gophercloud.ServiceClient, opts servers.CreateOptsBuilder) (r servers.CreateResult) {
if client == nil {
message := fmt.Sprintln(gophercloud.CE_NoClientProvidedMessage)
err := gophercloud.NewSystemCommonError(gophercloud.CE_NoClientProvidedCode, message)
r.Err = err
return
}
if bsOpts, ok := opts.(bootwithscheduler.CreateOptsExt); ok {
//检查networks资源
err := checkNetworks(client, bsOpts)
if err != nil {
r.Err = err
return
}
//检查volumes资源
// err = checkVolumes(client, bsOpts)
// if err != nil {
// r.Err = err
// return
// }
}
r = servers.Create(client, opts)
return
}
func ListServers(client *gophercloud.ServiceClient) (onDemandServers, monthlyServers []servers.ServerBrief, err error) {
//step1:获取全量server,分页查询,每次查询500个。
allPages, err := servers.ListBrief(client, servers.ListOpts{Limit: 500}).AllPages()
if err != nil {
return
}
allServerBriefs, err := servers.ExtractServerBriefs(allPages)
if err != nil {
return
}
//step2:通过bss接口获取全部monthly serverId
scBSS, err := openstack.NewBSSV1(client.ProviderClient, gophercloud.EndpointOpts{})
if err != nil {
return
}
domainID := client.ProviderClient.DomainID
//多次查询,每次查300个
resAll, err := listResourcesMultiTimes(scBSS, domainID, 300)
if err != nil {
return
}
//获取所有monthly serverId
var monthlySvrIds []string
for _, res := range resAll.Data {
if "hws.resource.type.vm" == res.ResourceTypeCode {
monthlySvrIds = append(monthlySvrIds, res.ResourceId)
}
}
//step3:分离出monthly server 和 onDemand server
for _, sb := range allServerBriefs {
b := gophercloud.IsInStrSlice(monthlySvrIds, sb.ID)
if b {
monthlyServers = append(monthlyServers, sb)
} else {
onDemandServers = append(onDemandServers, sb)
}
}
return
}
func listResourcesMultiTimes(sc *gophercloud.ServiceClient, domainId string, onceCnt int) (*resource.Resources, error) {
var resAll resource.Resources
optsTmp := resource.ListOpts{
CustomerId: domainId,
PageNo: 1,
PageSize: 1,
}
resTmp, err := resource.ListDetail(sc, optsTmp).Extract()
if err != nil {
return &resAll, err
}
//此处为适配api bug代码,bss接口失败也只会返回http 200.
if resTmp.ErrorCode == "" || resTmp.ErrorCode == "CBC.0999" {
return &resAll, gophercloud.NewSystemCommonError("CBC.0999", resTmp.ErrorMsg)
}
resAll.ErrorCode = resTmp.ErrorCode
resAll.ErrorMsg = resTmp.ErrorMsg
resAll.TotalCount = resTmp.TotalCount
//一次查10条
totalCnt := resTmp.TotalCount
queryTimes := int(math.Ceil(float64(totalCnt) / float64(onceCnt)))
//lastCnt := totalCnt - (queryTimes-1)*onceCnt
//fmt.Println("queryTimes:", queryTimes)
opts := resource.ListOpts{
CustomerId: domainId,
PageNo: 1,
PageSize: onceCnt,
}
for i := 1; i <= queryTimes; i++ {
opts.PageNo = i
//最后一次要设置为实际次数
//if i == queryTimes {
// opts.PageSize = lastCnt
//}
res, err := resource.ListDetail(sc, opts).Extract()
if err != nil {
return &resAll, err
}
//此处为适配api bug代码,bss接口失败也只会返回http 200.
if res.ErrorCode == "" || res.ErrorCode == "CBC.0999" {
return &resAll, gophercloud.NewSystemCommonError("CBC.0999", res.ErrorMsg)
}
resAll.Data = append(resAll.Data, res.Data...)
}
//fmt.Println("resAll.Data:", len(resAll.Data))
return &resAll, nil
}
func Get(client *gophercloud.ServiceClient, serverId string) (ServerExt, error) {
//获取基础server信息
server, err := servers.Get(client, serverId).Extract()
if err != nil {
return ServerExt{}, err
}
//通过 ecs v1 接口 获取 server信息包括 vpc id
ecsv1, err := openstack.NewECSV1(client.ProviderClient, gophercloud.EndpointOpts{})
if err != nil {
return ServerExt{}, err
}
cloudeServerResp, err := cloudservers.Get(ecsv1, serverId).Extract()
if err != nil {
return ServerExt{}, err
}
//获取相关bss信息
var charging Charging
scBSS, err := openstack.NewBSSV1(client.ProviderClient, gophercloud.EndpointOpts{})
if err != nil {
return ServerExt{}, err
}
domainID := client.ProviderClient.DomainID
resOpts := resource.ListOpts{
CustomerId: domainID,
ResourceIds: serverId,
}
//bss接口只能查询到包周期的资源,查询错误时特殊处理,不返回
res, err := resource.ListDetail(scBSS, resOpts).Extract()
if err != nil {
//fmt.Println("Bss2")
return ServerExt{}, err
}
//此处为适配api bug代码,bss接口失败也只会返回http 200.
//查询错误时特殊处理,不返回
if res.ErrorCode == "" || res.ErrorCode != "CBC.0000" {
return ServerExt{}, gophercloud.NewSystemCommonError(res.ErrorCode, res.ErrorMsg)
}
data := res.Data
//如果data没数据,则表示为按需server(非包周期server)
if len(data) == 0 && res.ErrorCode == "CBC.0000" {
charging.ChargingMode = "0"
charging.ValidTime = ""
charging.ExpireTime = ""
}
//如果data有数据,则表示为包周期server
if len(data) > 0 {
//不返回时间则是按需计费,返回时间则是包周期
if data[0].ValidTime != "" && data[0].ExpireTime != "" {
charging.ChargingMode = "1"
charging.ValidTime = data[0].ValidTime
charging.ExpireTime = data[0].ExpireTime
}
}
//获取相关volumes信息
scBS, err := openstack.NewBlockStorageV2(client.ProviderClient, gophercloud.EndpointOpts{})
if err != nil {
return ServerExt{}, err
}
vaExt := make([]VolumeInfo, len(server.VolumeAttached))
if len(server.VolumeAttached) > 0 {
for i, va := range server.VolumeAttached {
if len(va) > 0 {
if id, ok := va["id"].(string); ok {
volume, err := volumes.Get(scBS, id).Extract()
if err != nil { //错误时特殊处理,不返回。
vaExt[i].ID = id
continue
}
vaExt[i].ID = id
vaExt[i].VolumeType = volume.VolumeType
vaExt[i].Size = volume.Size
}
}
}
}
//vaExt := make([]VolumeInfo, len(cloudeServerResp.VolumeAttached))
//
//if len(cloudeServerResp.VolumeAttached) > 0 {
// for i, va := range cloudeServerResp.VolumeAttached {
// volume, err := volumes.Get(scBS, va.ID).Extract()
// if err != nil { //错误时特殊处理,不返回。
// vaExt[i].ID = va.ID
// continue
// }
// vaExt[i].ID = va.ID
// vaExt[i].VolumeType = volume.VolumeType
// vaExt[i].Size = volume.Size
// }
//}
//server := cloudeServerResp.CloudServer
//
////组装返回
// return &ServerExt{
// ID: server.ID,
// TenantID: server.TenantID,
// UserID: server.UserID,
// Name: server.Name,
// Status: server.Status,
// Updated: server.Updated,
// Created: server.Created,
// Addresses: server.Addresses,
// KeyName: server.KeyName,
// TaskState: server.TaskState,
// VMstate: server.VMState,
// SecurityGroups: server.SecurityGroups,
// PowerState: *server.PowerState,
// Metadata: server.Metadata,
// Flavor: server.Flavor,
// //Image: server.Image,
// //Links: server.Links,
// AvailbiltyZone: server.AvailabilityZone,
// VolumeAttached: vaExt,
// Charging: charging,
// VpcId: cloudeServerResp.CloudServer.Metadata.VpcID,
// ImageId : cloudeServerResp.CloudServer.Metadata.ImageID,
//}, nil
return ServerExt{
ID: server.ID,
TenantID: server.TenantID,
UserID: server.UserID,
Name: server.Name,
Status: server.Status,
Updated: server.Updated,
Created: server.Created,
Addresses: server.Addresses,
KeyName: server.KeyName,
TaskState: server.TaskState,
VMstate: server.VMstate,
SecurityGroups: server.SecurityGroups,
PowerState: server.PowerState,
Metadata: server.Metadata,
Flavor: server.Flavor,
Image: server.Image,
Links: server.Links,
AvailbiltyZone: server.AvailbiltyZone,
VolumeAttached: vaExt,
Charging: charging,
VpcId: cloudeServerResp.Metadata.VpcID,
ImageId: cloudeServerResp.Metadata.ImageID,
}, nil
}
//检测网络资源
func checkNetworks(client *gophercloud.ServiceClient, opts bootwithscheduler.CreateOptsExt) error {
//创建network client
networkClient, err := openstack.NewNetworkV2(client.ProviderClient, gophercloud.EndpointOpts{})
if err != nil {
return err
}
base, err := opts.CreateOptsBuilder.ToServerCreateMap()
if err != nil {
return err
}
serverMap := base["server"].(map[string]interface{})
nws := serverMap["networks"].([]map[string]interface{})
//整理过的network,uuid和其数量
sortedNetworks := make(map[string]int)
for _, n := range nws {
if v, ok := n["uuid"]; ok {
uuid, _ := v.(string)
if uuid != "" {
if _, ok := sortedNetworks[uuid]; ok {
sortedNetworks[uuid]++
} else {
sortedNetworks[uuid] = 1
}
}
}
}
for uuid, needIps := range sortedNetworks {
ia, err := networks.GetNetworkIpAvailabilities(networkClient, uuid)
if err != nil {
return err
}
availIps := ia.NetworkIpAvail.TotalIps - ia.NetworkIpAvail.UsedIps
//fmt.Println("availIps:", availIps)
//fmt.Println("needIps:", needIps)
if availIps < needIps {
return &gophercloud.UnifiedError{
ErrCode: "Ecs.1525",
ErrMessage: "Insufficient IP addresses on the network.",
}
}
continue
}
return nil
}
//检测存储资源
func checkVolumes(client *gophercloud.ServiceClient, opts bootwithscheduler.CreateOptsExt) error {
//创建blockstorage client
bsClient, err := openstack.NewBlockStorageV2(client.ProviderClient, gophercloud.EndpointOpts{})
if err != nil {
return err
}
//计算需要的资源
vNeed := 0
gNeed := 0
for _, bd := range opts.BlockDevice {
if bd.SourceType != "volume" && bd.VolumeSize != 0 {
vNeed++
gNeed += bd.VolumeSize
}
}
//计算现有的资源
projectID := client.ProviderClient.GetProjectID()
qs, err := volumes.GetQuotaSet(bsClient, projectID)
if err != nil {
return err
}
var vLimit, vInUse, gLimit, gInUse int
//if _, ok := qs.QuoSet.Volumes["limit"]; ok {
// vLimit = qs.QuoSet.Volumes["limit"]
//}
//if _, ok := qs.QuoSet.Volumes["in_use"]; ok {
// vInUse = qs.QuoSet.Volumes["in_use"]
//}
//if _, ok := qs.QuoSet.Gigabytes["limit"]; ok {
// gLimit = qs.QuoSet.Gigabytes["limit"]
//}
//if _, ok := qs.QuoSet.Gigabytes["in_use"]; ok {
// gInUse = qs.QuoSet.Gigabytes["in_use"]
//}
var bt volumes.BaseType
for k, v := range qs.QuoSet {
if k == "gigabytes" {
if data, ok := v.(map[string]interface{}); ok {
b, err := json.Marshal(data)
if err != nil {
return err
}
err = json.Unmarshal(b, &bt)
if err != nil {
return err
}
gLimit = bt.Limit
gInUse = bt.InUse
}
}
if k == "volumes" {
if data, ok := v.(map[string]interface{}); ok {
b, err := json.Marshal(data)
if err != nil {
return err
}
err = json.Unmarshal(b, &bt)
if err != nil {
return err
}
vLimit = bt.Limit
vInUse = bt.InUse
}
}
}
// fmt.Println("vNeed:", vNeed)
// fmt.Println("gNeed:", gNeed)
// fmt.Println("vLimit:", vLimit)
// fmt.Println("vInUse:", vInUse)
// fmt.Println("gLimit:", gLimit)
// fmt.Println("gInUse:", gInUse)
//计算是否满足需要
ue := &gophercloud.UnifiedError{
ErrCode: "Ecs.1524",
ErrMessage: "Instance resource is temporarily sold out.",
}
if (vLimit != -1) && ((vLimit - vInUse) < vNeed) {
return ue
}
if (gLimit != -1) && ((gLimit - gInUse) < gNeed) {
return ue
}
return nil
}
/*
//判断资源是否已满,创建server前判断。
func checkHostAvailable(client *gophercloud.ServiceClient) (bool, error) {
//查询所有status为error的servers
listOpts := servers.ListOpts{
Status: "ERROR",
}
allPages, err := servers.List(client, listOpts).AllPages()
if nil != err {
return true, err
}
allServers, err := servers.ExtractServers(allPages)
if nil != err {
return true, err
}
if 0 == len(allServers) {
return true, err
}
for _, s := range allServers {
b := strings.Contains(s.Fault.Message, "There are not enough hosts available")
if b {
return false, err
}
}
return true, err
}
*/