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qingcloud.go
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qingcloud.go
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/*
* Copyright (c) 2024 Yunshan Networks
*
* 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 qingcloud
import (
"crypto/hmac"
"crypto/sha256"
"crypto/tls"
b64 "encoding/base64"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"sort"
"strings"
"time"
simplejson "github.com/bitly/go-simplejson"
logging "github.com/op/go-logging"
cloudcommon "github.com/deepflowio/deepflow/server/controller/cloud/common"
cloudconfig "github.com/deepflowio/deepflow/server/controller/cloud/config"
"github.com/deepflowio/deepflow/server/controller/cloud/model"
"github.com/deepflowio/deepflow/server/controller/common"
"github.com/deepflowio/deepflow/server/controller/db/mysql"
"github.com/deepflowio/deepflow/server/controller/statsd"
)
var log = logging.MustGetLogger("cloud.qingcloud")
type QingCloud struct {
orgID int
teamID int
Uuid string
UuidGenerate string
Name string
RegionUuid string
url string
secretID string
secretKey string
isPublicCloud bool
DisableSyncLBListener bool
httpTimeout int
MaxRetries uint
RetryDuration uint
DailyTriggerTime time.Time
defaultVPCName string
defaultVxnetName string
RegionIdToLcuuid map[string]string
regionIdToDefaultVPCLcuuid map[string]string
regionIdToVxnetIds map[string][]string
ZoneNames []string
vpcIdToCidr map[string]string
VxnetIdToVPCLcuuid map[string]string
VxnetIdToSubnetLcuuid map[string]string
defaultVxnetIDs []string
HostNameToIP map[string]string
vmIdToVPCLcuuid map[string]string
// 以下两个字段的作用:消除公有云的无资源的区域和可用区
regionLcuuidToResourceNum map[string]int
azLcuuidToResourceNum map[string]int
// statsd monitor
CloudStatsd statsd.CloudStatsd
debugger *cloudcommon.Debugger
}
func NewQingCloud(orgID int, domain mysql.Domain, cfg cloudconfig.CloudConfig) (*QingCloud, error) {
config, err := simplejson.NewJson([]byte(domain.Config))
if err != nil {
log.Error(err)
return nil, err
}
secretID, err := config.Get("secret_id").String()
if err != nil {
log.Error("secret_id must be specified")
return nil, err
}
secretKey, err := config.Get("secret_key").String()
if err != nil {
log.Error("secret_key must be specified")
return nil, err
}
decryptSecretKey, err := common.DecryptSecretKey(secretKey)
if err != nil {
log.Error("decrypt secret_key failed (%s)", err.Error())
return nil, err
}
log.Debugf(
"domain (%s) secret_key: %s, decrypt secret_key: %s",
domain.Name, secretKey, decryptSecretKey,
)
url := config.Get("url").MustString()
if url == "" {
url = "https://api.qingcloud.com"
}
var dailyTriggerTime time.Time
if cfg.QingCloudConfig.DailyTriggerTime != "" {
dailyTriggerTime, err = time.ParseInLocation("15:04", cfg.QingCloudConfig.DailyTriggerTime, time.Local)
if err != nil {
log.Errorf("parse qing config daily trigger time failed: (%s)", err.Error())
return nil, err
}
}
return &QingCloud{
orgID: orgID,
teamID: domain.TeamID,
Uuid: domain.Lcuuid,
// TODO: display_name后期需要修改为uuid_generate
UuidGenerate: domain.DisplayName,
Name: domain.Name,
RegionUuid: config.Get("region_uuid").MustString(),
url: url,
secretID: secretID,
secretKey: decryptSecretKey,
isPublicCloud: domain.Type == common.QINGCLOUD,
httpTimeout: cfg.HTTPTimeout,
MaxRetries: cfg.QingCloudConfig.MaxRetries,
RetryDuration: cfg.QingCloudConfig.RetryDuration,
DisableSyncLBListener: cfg.QingCloudConfig.DisableSyncLBListener,
DailyTriggerTime: dailyTriggerTime,
defaultVPCName: domain.Name + "_default_vpc",
defaultVxnetName: "vxnet-0",
regionLcuuidToResourceNum: make(map[string]int),
azLcuuidToResourceNum: make(map[string]int),
CloudStatsd: statsd.NewCloudStatsd(),
debugger: cloudcommon.NewDebugger(domain.Name),
}, nil
}
func (q *QingCloud) ClearDebugLog() {
q.debugger.Clear()
}
func (q *QingCloud) GenSignature(signURL, secret string) string {
key := []byte(secret)
mac := hmac.New(sha256.New, key)
mac.Write([]byte(signURL))
sEnc := b64.StdEncoding.EncodeToString(mac.Sum(nil))
strings.Replace(sEnc, " ", "+", -1)
return url.QueryEscape(sEnc)
}
func (q *QingCloud) getURL(action string, kwargs []*Param, offset, limit int) string {
params := Params{
{"access_key_id", q.secretID},
{"action", action},
{"limit", limit},
{"offset", offset},
{"signature_method", "HmacSHA256"},
{"signature_version", 1},
{"time_stamp", time.Now().UTC().Format("2006-01-02T15:04:05Z")},
{"version", 1},
}
if action != "DescribeClusters" && action != "DescribeLoadBalancerListeners" &&
action != "DescribeRouters" {
params = append(params, &Param{"verbose", 2})
}
for _, args := range kwargs {
params = append(params, args)
}
// 参数排序
sort.Sort(params)
// 对特定的 + 进行转义
// 生成url中的参数
urlParams := []string{}
for _, v := range params {
if str, ok := v.Value.(string); ok {
v.Value = strings.Replace(url.QueryEscape(str), "+", "%20", -1)
}
urlParams = append(urlParams, fmt.Sprintf("%v=%v", v.Name, v.Value))
}
url := strings.Join(urlParams, "&")
// 生成签名
signURL := "GET\n/iaas/\n" + url
signature := q.GenSignature(signURL, q.secretKey)
return fmt.Sprintf("%s/iaas/?%v&signature=%v", q.url, url, signature)
}
func (q *QingCloud) GetResponse(action string, resultKey string, kwargs []*Param) ([]*simplejson.Json, error) {
var response []*simplejson.Json
startTime := time.Now()
count := 0
var retry, maxRetries uint = 0, q.MaxRetries
offset, limit := 0, 100
for {
url := q.getURL(action, kwargs, offset, limit)
req, err := http.NewRequest("GET", url, nil)
if err != nil {
log.Errorf("new (%s) request failed, (%v)", action, err)
return nil, err
}
client := &http.Client{
Timeout: time.Second * time.Duration(q.httpTimeout),
Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
},
}
resp, err := client.Do(req)
if err != nil {
errMSG := fmt.Sprintf("curl (%s) failed, (%v)", url, err)
log.Warning(errMSG)
if retry < maxRetries {
retry += 1
log.Warningf("(%s) try again (%d/%d) in (%d) seconds", action, retry, maxRetries, q.RetryDuration)
time.Sleep(time.Duration(q.RetryDuration) * time.Second)
continue
}
log.Error(errMSG)
return nil, err
} else if resp.StatusCode != http.StatusOK {
errMSG := fmt.Sprintf("curl (%s) failed, (%v)", url, resp)
log.Warning(errMSG)
if retry < maxRetries {
retry += 1
log.Warningf("(%s) try again (%d/%d) in (%d) seconds", action, retry, maxRetries, q.RetryDuration)
time.Sleep(time.Duration(q.RetryDuration) * time.Second)
continue
}
log.Error(errMSG)
return nil, errors.New(errMSG)
}
defer resp.Body.Close()
respBytes, err := io.ReadAll(resp.Body)
if err != nil {
log.Errorf("read (%s) response failed, (%v)", action, err)
return nil, err
}
respJson, err := simplejson.NewJson(respBytes)
if err != nil {
log.Errorf("parse (%s) response body (%s) failed, (%v)", action, string(respBytes), err)
return nil, err
}
curResp, ok := respJson.CheckGet(resultKey)
if !ok {
errMSG := fmt.Sprintf("get (%s) response (%s) failed, (%v)", action, resultKey, respJson)
log.Warning(errMSG)
if retry < maxRetries {
retry += 1
log.Warningf("(%s) try again (%d/%d) in (%d) seconds", action, retry, maxRetries, q.RetryDuration)
time.Sleep(time.Duration(q.RetryDuration) * time.Second)
continue
}
log.Error(errMSG)
return nil, errors.New(errMSG)
}
response = append(response, curResp)
curRespLens := len(curResp.MustArray())
count += curRespLens
if curRespLens < limit {
break
}
offset += limit
// get api success, reset retry times
retry = 0
}
// qingcloud has a unified call API,so this could be very convenient
if !strings.Contains(common.CloudMonitorExceptionAPI[common.QINGCLOUD_EN], action) {
q.CloudStatsd.RefreshAPIMoniter(action, count, startTime)
}
q.debugger.WriteJson(resultKey, " ", response)
return response, nil
}
func (q *QingCloud) GetRegionLcuuid(lcuuid string) string {
if q.RegionUuid != "" {
return q.RegionUuid
} else {
return lcuuid
}
}
func (q *QingCloud) CheckRequiredAttributes(json *simplejson.Json, attributes []string) error {
for _, attribute := range attributes {
if _, ok := json.CheckGet(attribute); !ok {
log.Debugf("get attribute (%s) failed", attribute)
return errors.New(fmt.Sprintf("get attribute (%s) failed", attribute))
}
}
return nil
}
func (q *QingCloud) CheckAuth() error {
_, _, err := q.getRegionAndAZs()
return err
}
func (q *QingCloud) GetStatter() statsd.StatsdStatter {
globalTags := map[string]string{
"domain_name": q.Name,
"domain": q.Uuid,
"platform": common.QINGCLOUD_EN,
}
return statsd.StatsdStatter{
OrgID: q.orgID,
TeamID: q.teamID,
GlobalTags: globalTags,
Element: statsd.GetCloudStatsd(q.CloudStatsd),
}
}
func (q *QingCloud) GetCloudData() (model.Resource, error) {
var resource model.Resource
if !q.DailyTriggerTime.IsZero() {
now := time.Now()
triggerTime := time.Date(now.Year(), now.Month(), now.Day(), q.DailyTriggerTime.Hour(), q.DailyTriggerTime.Minute(), 0, 0, time.Local)
timeSub := now.Sub(triggerTime)
if timeSub < time.Second || timeSub > time.Minute {
log.Infof("now is not the trigger time (%s), the task is not running", triggerTime.Format(common.GO_BIRTHDAY))
return resource, nil
}
}
// every tasks must init
q.CloudStatsd = statsd.NewCloudStatsd()
// 区域和可用区
regions, azs, err := q.getRegionAndAZs()
if err != nil {
log.Error("get region and az data failed")
return resource, err
}
// VPC
vpcs, err := q.GetVPCs()
if err != nil {
log.Error("get vpc data failed")
return resource, err
}
// 子网及网段
networks, subnets, err := q.GetNetworks()
if err != nil {
log.Error("get network and subnet data failed")
return resource, err
}
// 虚拟机信息
vms, tmpSubnets, err := q.GetVMs()
if err != nil {
log.Error("get vm data failed")
return resource, err
}
subnets = append(subnets, tmpSubnets...)
// 虚拟机网卡及IP信息
vinterfaces, ips, err := q.GetVMNics()
if err != nil {
log.Error("get vm nic data failed")
return resource, err
}
// 路由表及规则
vrouters, routingTables, tmpVInterfaces, tmpIPs, err := q.GetRouterAndTables()
if err != nil {
log.Error("get router and rule data failed")
return resource, err
}
vinterfaces = append(vinterfaces, tmpVInterfaces...)
ips = append(ips, tmpIPs...)
// NAT网关
natGateways, tmpVInterfaces, tmpIPs, natVMConnections, err := q.GetNATGateways()
if err != nil {
log.Error("get nat_gateway data failed")
return resource, err
}
vinterfaces = append(vinterfaces, tmpVInterfaces...)
ips = append(ips, tmpIPs...)
// 负载均衡器及规则
lbs, lbListeners, lbTargetServers, tmpVInterfaces, tmpIPs, lbVMConnections, err := q.GetLoadBalances()
if err != nil {
log.Error("get load_balance data failed")
return resource, err
}
vinterfaces = append(vinterfaces, tmpVInterfaces...)
ips = append(ips, tmpIPs...)
// FloatingIP
tmpVInterfaces, tmpIPs, floatingIPs, err := q.GetFloatingIPs()
if err != nil {
log.Error("get floating_ip data failed")
return resource, err
}
vinterfaces = append(vinterfaces, tmpVInterfaces...)
ips = append(ips, tmpIPs...)
// 附属容器集群
subDomains, err := q.GetSubDomains()
if err != nil {
log.Error("get sub_domain data failed")
return resource, err
}
resource.Regions = cloudcommon.EliminateEmptyRegions(regions, q.regionLcuuidToResourceNum)
resource.AZs = cloudcommon.EliminateEmptyAZs(azs, q.azLcuuidToResourceNum)
resource.VPCs = vpcs
resource.Networks = networks
resource.Subnets = subnets
resource.VMs = vms
resource.VInterfaces = vinterfaces
resource.IPs = ips
resource.VRouters = vrouters
resource.RoutingTables = routingTables
resource.NATGateways = natGateways
resource.NATVMConnections = natVMConnections
resource.LBs = lbs
resource.LBVMConnections = lbVMConnections
resource.LBListeners = lbListeners
resource.LBTargetServers = lbTargetServers
resource.LBVMConnections = lbVMConnections
resource.FloatingIPs = floatingIPs
resource.SubDomains = subDomains
// write monitor
q.CloudStatsd.ResCount = statsd.GetResCount(resource)
// register statsd
statsd.MetaStatsd.RegisterStatsdTable(q)
q.debugger.Refresh()
return resource, nil
}