mirror of
https://github.com/TeaOSLab/EdgeAPI.git
synced 2025-11-04 07:50:25 +08:00
727 lines
17 KiB
Go
727 lines
17 KiB
Go
package tasks
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import (
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"encoding/json"
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"github.com/TeaOSLab/EdgeAPI/internal/db/models"
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dnsmodels "github.com/TeaOSLab/EdgeAPI/internal/db/models/dns"
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"github.com/TeaOSLab/EdgeAPI/internal/dnsclients"
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"github.com/TeaOSLab/EdgeAPI/internal/dnsclients/dnstypes"
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"github.com/TeaOSLab/EdgeAPI/internal/goman"
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"github.com/TeaOSLab/EdgeAPI/internal/utils"
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"github.com/TeaOSLab/EdgeCommon/pkg/dnsconfigs"
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"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
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"github.com/iwind/TeaGo/dbs"
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"github.com/iwind/TeaGo/lists"
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"net"
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"strings"
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"time"
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)
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func init() {
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dbs.OnReadyDone(func() {
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goman.New(func() {
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NewDNSTaskExecutor(10 * time.Second).Start()
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})
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})
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}
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// DNSTaskExecutor DNS任务执行器
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type DNSTaskExecutor struct {
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BaseTask
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ticker *time.Ticker
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}
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func NewDNSTaskExecutor(duration time.Duration) *DNSTaskExecutor {
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return &DNSTaskExecutor{
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ticker: time.NewTicker(duration),
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}
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}
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func (this *DNSTaskExecutor) Start() {
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for range this.ticker.C {
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err := this.Loop()
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if err != nil {
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this.logErr("DNSTaskExecutor", err.Error())
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}
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}
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}
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func (this *DNSTaskExecutor) Loop() error {
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if !models.SharedAPINodeDAO.CheckAPINodeIsPrimaryWithoutErr() {
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return nil
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}
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return this.loop()
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}
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func (this *DNSTaskExecutor) loop() error {
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tasks, err := dnsmodels.SharedDNSTaskDAO.FindAllDoingTasks(nil)
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if err != nil {
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return err
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}
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for _, task := range tasks {
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taskId := int64(task.Id)
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switch task.Type {
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case dnsmodels.DNSTaskTypeServerChange:
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err = this.doServer(taskId, int64(task.ClusterId), int64(task.ServerId))
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if err != nil {
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err = dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskError(nil, taskId, err.Error())
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if err != nil {
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return err
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}
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}
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case dnsmodels.DNSTaskTypeNodeChange:
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err = this.doNode(taskId, int64(task.NodeId))
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if err != nil {
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err = dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskError(nil, taskId, err.Error())
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if err != nil {
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return err
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}
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}
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case dnsmodels.DNSTaskTypeClusterChange:
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err = this.doCluster(taskId, int64(task.ClusterId))
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if err != nil {
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err = dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskError(nil, taskId, err.Error())
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if err != nil {
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return err
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}
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}
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case dnsmodels.DNSTaskTypeClusterRemoveDomain:
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err = this.doClusterRemove(taskId, int64(task.ClusterId), int64(task.DomainId), task.RecordName)
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if err != nil {
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err = dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskError(nil, taskId, err.Error())
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if err != nil {
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return err
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}
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}
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case dnsmodels.DNSTaskTypeDomainChange:
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err = this.doDomainWithTask(taskId, int64(task.DomainId))
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if err != nil {
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err = dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskError(nil, taskId, err.Error())
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if err != nil {
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return err
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}
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}
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}
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}
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return nil
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}
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// 修改服务相关记录
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func (this *DNSTaskExecutor) doServer(taskId int64, oldClusterId int64, serverId int64) error {
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var tx *dbs.Tx
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isOk := false
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defer func() {
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if isOk {
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err := dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskDone(tx, taskId)
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if err != nil {
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this.logErr("DNSTaskExecutor", err.Error())
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}
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}
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}()
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// 检查是否已通过审核
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serverDNS, err := models.SharedServerDAO.FindStatelessServerDNS(tx, serverId)
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if err != nil {
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return err
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}
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if serverDNS == nil {
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isOk = true
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return nil
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}
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if len(serverDNS.DnsName) == 0 {
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isOk = true
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return nil
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}
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var recordName = serverDNS.DnsName
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var recordType = dnstypes.RecordTypeCNAME
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// 新的DNS设置
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manager, newDomainId, domain, clusterDNSName, dnsConfig, err := this.findDNSManagerWithClusterId(tx, int64(serverDNS.ClusterId))
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if err != nil {
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return err
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}
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// 如果集群发生了变化，则从老的集群中删除
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if oldClusterId > 0 && int64(serverDNS.ClusterId) != oldClusterId {
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oldManager, oldDomainId, oldDomain, _, _, err := this.findDNSManagerWithClusterId(tx, oldClusterId)
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if err != nil {
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return err
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}
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// 如果域名发生了变化
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if oldDomainId != newDomainId {
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if oldManager != nil {
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oldRecord, err := oldManager.QueryRecord(oldDomain, recordName, recordType)
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if err != nil {
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return err
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}
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if oldRecord != nil {
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// 删除记录
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err = oldManager.DeleteRecord(oldDomain, oldRecord)
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if err != nil {
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return err
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}
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// 更新域名中记录缓存
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// 这里不创建域名更新任务，而是直接更新，避免影响其他任务的执行
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err = this.doDomain(oldDomainId)
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if err != nil {
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return err
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}
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}
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}
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}
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isOk = true
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return nil
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}
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// 处理新的集群
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if manager == nil {
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isOk = true
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return nil
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}
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var ttl int32 = 0
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if dnsConfig != nil {
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ttl = dnsConfig.TTL
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}
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recordValue := clusterDNSName + "." + domain + "."
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recordRoute := manager.DefaultRoute()
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if serverDNS.State == models.ServerStateDisabled || !serverDNS.IsOn {
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// 检查记录是否已经存在
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record, err := manager.QueryRecord(domain, recordName, recordType)
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if err != nil {
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return err
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}
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if record != nil {
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// 删除
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err = manager.DeleteRecord(domain, record)
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if err != nil {
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return err
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}
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err = dnsmodels.SharedDNSTaskDAO.CreateDomainTask(tx, newDomainId, dnsmodels.DNSTaskTypeDomainChange)
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if err != nil {
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return err
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}
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}
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isOk = true
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} else {
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// 是否已存在
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exist, err := dnsmodels.SharedDNSDomainDAO.ExistDomainRecord(tx, newDomainId, recordName, recordType, recordRoute, recordValue)
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if err != nil {
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return err
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}
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if exist {
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isOk = true
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return nil
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}
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// 检查记录是否已经存在
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record, err := manager.QueryRecord(domain, recordName, recordType)
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if err != nil {
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return err
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}
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if record != nil {
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if record.Value == recordValue || record.Value == strings.TrimRight(recordValue, ".") {
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isOk = true
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return nil
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}
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// 删除
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err = manager.DeleteRecord(domain, record)
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if err != nil {
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return err
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}
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err = dnsmodels.SharedDNSTaskDAO.CreateDomainTask(tx, newDomainId, dnsmodels.DNSTaskTypeDomainChange)
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if err != nil {
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return err
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}
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}
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err = manager.AddRecord(domain, &dnstypes.Record{
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Id: "",
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Name: recordName,
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Type: recordType,
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Value: recordValue,
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Route: recordRoute,
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TTL: ttl,
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})
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if err != nil {
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return err
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}
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err = dnsmodels.SharedDNSTaskDAO.CreateDomainTask(tx, newDomainId, dnsmodels.DNSTaskTypeDomainChange)
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if err != nil {
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return err
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}
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isOk = true
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}
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return nil
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}
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// 修改节点相关记录
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func (this *DNSTaskExecutor) doNode(taskId int64, nodeId int64) error {
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isOk := false
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defer func() {
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if isOk {
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err := dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskDone(nil, taskId)
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if err != nil {
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this.logErr("DNSTaskExecutor", err.Error())
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}
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}
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}()
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var tx *dbs.Tx
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node, err := models.SharedNodeDAO.FindStatelessNodeDNS(tx, nodeId)
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if err != nil {
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return err
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}
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if node == nil {
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isOk = true
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return nil
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}
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// 转交给cluster统一处理
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clusterIds, err := models.SharedNodeDAO.FindEnabledAndOnNodeClusterIds(tx, nodeId)
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if err != nil {
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return err
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}
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for _, clusterId := range clusterIds {
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err = dnsmodels.SharedDNSTaskDAO.CreateClusterTask(tx, clusterId, dnsmodels.DNSTaskTypeClusterChange)
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if err != nil {
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return err
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}
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}
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isOk = true
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return nil
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}
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// 修改集群相关记录
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func (this *DNSTaskExecutor) doCluster(taskId int64, clusterId int64) error {
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isOk := false
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defer func() {
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if isOk {
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err := dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskDone(nil, taskId)
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if err != nil {
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this.logErr("DNSTaskExecutor", err.Error())
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}
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}
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}()
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var tx *dbs.Tx
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manager, domainId, domain, clusterDNSName, dnsConfig, err := this.findDNSManagerWithClusterId(tx, clusterId)
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if err != nil {
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return err
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}
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if manager == nil {
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isOk = true
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return nil
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}
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var clusterDomain = clusterDNSName + "." + domain
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var ttl int32 = 0
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if dnsConfig != nil {
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ttl = dnsConfig.TTL
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}
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// 以前的节点记录
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records, err := manager.GetRecords(domain)
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if err != nil {
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return err
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}
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var oldRecordsMap = map[string]*dnstypes.Record{} // route@value => record
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var oldCnameRecordsMap = map[string]*dnstypes.Record{} // cname => record
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for _, record := range records {
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if (record.Type == dnstypes.RecordTypeA || record.Type == dnstypes.RecordTypeAAAA) && record.Name == clusterDNSName {
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key := record.Route + "@" + record.Value
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oldRecordsMap[key] = record
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}
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if record.Type == dnstypes.RecordTypeCNAME {
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oldCnameRecordsMap[record.Name] = record
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}
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}
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// 当前的节点记录
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var newRecordKeys = []string{}
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nodes, err := models.SharedNodeDAO.FindAllEnabledNodesDNSWithClusterId(tx, clusterId, true, dnsConfig != nil && dnsConfig.IncludingLnNodes)
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if err != nil {
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return err
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}
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var isChanged = false
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for _, node := range nodes {
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routes, err := node.DNSRouteCodesForDomainId(domainId)
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if err != nil {
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return err
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}
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if len(routes) == 0 {
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routes = []string{manager.DefaultRoute()}
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}
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// 所有的IP记录
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ipAddresses, err := models.SharedNodeIPAddressDAO.FindAllEnabledAddressesWithNode(tx, int64(node.Id), nodeconfigs.NodeRoleNode)
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if err != nil {
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return err
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}
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if len(ipAddresses) == 0 {
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continue
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}
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for _, ipAddress := range ipAddresses {
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var ip = ipAddress.DNSIP()
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if len(ip) == 0 || !ipAddress.CanAccess || !ipAddress.IsUp || !ipAddress.IsOn {
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continue
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}
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if net.ParseIP(ip) == nil {
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continue
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}
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for _, route := range routes {
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var key = route + "@" + ip
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_, ok := oldRecordsMap[key]
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if ok {
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newRecordKeys = append(newRecordKeys, key)
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continue
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}
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var recordType = dnstypes.RecordTypeA
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if utils.IsIPv6(ip) {
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recordType = dnstypes.RecordTypeAAAA
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}
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err = manager.AddRecord(domain, &dnstypes.Record{
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Id: "",
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Name: clusterDNSName,
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Type: recordType,
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Value: ip,
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Route: route,
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TTL: ttl,
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})
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if err != nil {
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return err
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}
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isChanged = true
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newRecordKeys = append(newRecordKeys, key)
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}
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}
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}
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// 删除多余的节点解析记录
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for key, record := range oldRecordsMap {
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if !lists.ContainsString(newRecordKeys, key) {
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isChanged = true
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err = manager.DeleteRecord(domain, record)
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if err != nil {
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return err
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}
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}
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}
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// 服务域名
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servers, err := models.SharedServerDAO.FindAllServersDNSWithClusterId(tx, clusterId)
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if err != nil {
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return err
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}
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serverRecords := []*dnstypes.Record{} // 之所以用数组再存一遍，是因为dnsName可能会重复
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serverRecordsMap := map[string]*dnstypes.Record{} // dnsName => *Record
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for _, record := range records {
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if record.Type == dnstypes.RecordTypeCNAME && record.Value == clusterDomain+"." {
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serverRecords = append(serverRecords, record)
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serverRecordsMap[record.Name] = record
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}
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}
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// 新增的域名
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serverDNSNames := []string{}
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for _, server := range servers {
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dnsName := server.DnsName
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if len(dnsName) == 0 {
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continue
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}
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serverDNSNames = append(serverDNSNames, dnsName)
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_, ok := serverRecordsMap[dnsName]
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if !ok {
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isChanged = true
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err = manager.AddRecord(domain, &dnstypes.Record{
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Id: "",
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Name: dnsName,
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Type: dnstypes.RecordTypeCNAME,
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Value: clusterDomain + ".",
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Route: "", // 注意这里为空，需要在执行过程中获取默认值
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TTL: ttl,
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})
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if err != nil {
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return err
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}
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}
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}
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// 自动设置的CNAME
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var cnameRecords = []string{}
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if dnsConfig != nil {
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cnameRecords = dnsConfig.CNameRecords
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}
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for _, cnameRecord := range cnameRecords {
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serverDNSNames = append(serverDNSNames, cnameRecord)
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_, ok := serverRecordsMap[cnameRecord]
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if !ok {
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isChanged = true
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err = manager.AddRecord(domain, &dnstypes.Record{
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Id: "",
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Name: cnameRecord,
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Type: dnstypes.RecordTypeCNAME,
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Value: clusterDomain + ".",
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Route: "", // 注意这里为空，需要在执行过程中获取默认值
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TTL: ttl,
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})
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if err != nil {
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return err
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}
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}
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}
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// 多余的域名
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for _, record := range serverRecords {
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if !lists.ContainsString(serverDNSNames, record.Name) {
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isChanged = true
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err = manager.DeleteRecord(domain, record)
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if err != nil {
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return err
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}
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}
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}
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// 通知更新域名
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if isChanged {
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err = dnsmodels.SharedDNSTaskDAO.CreateDomainTask(tx, domainId, dnsmodels.DNSTaskTypeDomainChange)
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if err != nil {
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return err
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}
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}
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isOk = true
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return nil
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}
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func (this *DNSTaskExecutor) doClusterRemove(taskId int64, clusterId int64, domainId int64, dnsName string) error {
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var isOk = false
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defer func() {
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if isOk {
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err := dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskDone(nil, taskId)
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if err != nil {
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this.logErr("DNSTaskExecutor", err.Error())
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}
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}
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}()
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var tx *dbs.Tx
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if len(dnsName) == 0 {
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dnsInfo, err := models.SharedNodeClusterDAO.FindClusterDNSInfo(tx, clusterId, nil)
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if err != nil {
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return err
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}
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if dnsInfo == nil {
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isOk = true
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return nil
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}
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dnsName = dnsInfo.DnsName
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if len(dnsName) == 0 {
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isOk = true
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return nil
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}
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}
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domain, manager, err := this.findDNSManagerWithDomainId(tx, domainId)
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if err != nil {
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return err
|
||
}
|
||
if domain == nil {
|
||
isOk = true
|
||
return nil
|
||
}
|
||
var fullName = dnsName + "." + domain.Name
|
||
|
||
records, err := domain.DecodeRecords()
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
var isChanged bool
|
||
|
||
for _, record := range records {
|
||
// node A
|
||
if (record.Type == dnstypes.RecordTypeA || record.Type == dnstypes.RecordTypeAAAA) && record.Name == dnsName {
|
||
err = manager.DeleteRecord(domain.Name, record)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
isChanged = true
|
||
}
|
||
|
||
// server CNAME
|
||
if record.Type == dnstypes.RecordTypeCNAME && strings.TrimRight(record.Value, ".") == fullName {
|
||
err = manager.DeleteRecord(domain.Name, record)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
isChanged = true
|
||
}
|
||
}
|
||
|
||
if isChanged {
|
||
err = dnsmodels.SharedDNSTaskDAO.CreateDomainTask(tx, domainId, dnsmodels.DNSTaskTypeDomainChange)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
}
|
||
|
||
isOk = true
|
||
|
||
return nil
|
||
}
|
||
|
||
func (this *DNSTaskExecutor) doDomain(domainId int64) error {
|
||
return this.doDomainWithTask(0, domainId)
|
||
}
|
||
|
||
func (this *DNSTaskExecutor) doDomainWithTask(taskId int64, domainId int64) error {
|
||
var tx *dbs.Tx
|
||
|
||
isOk := false
|
||
defer func() {
|
||
if isOk {
|
||
if taskId > 0 {
|
||
err := dnsmodels.SharedDNSTaskDAO.UpdateDNSTaskDone(tx, taskId)
|
||
if err != nil {
|
||
this.logErr("DNSTaskExecutor", err.Error())
|
||
}
|
||
}
|
||
}
|
||
}()
|
||
|
||
dnsDomain, err := dnsmodels.SharedDNSDomainDAO.FindEnabledDNSDomain(tx, domainId, nil)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
if dnsDomain == nil {
|
||
isOk = true
|
||
return nil
|
||
}
|
||
providerId := int64(dnsDomain.ProviderId)
|
||
if providerId <= 0 {
|
||
isOk = true
|
||
return nil
|
||
}
|
||
|
||
provider, err := dnsmodels.SharedDNSProviderDAO.FindEnabledDNSProvider(tx, providerId)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
if provider == nil {
|
||
isOk = true
|
||
return nil
|
||
}
|
||
|
||
manager := dnsclients.FindProvider(provider.Type)
|
||
if manager == nil {
|
||
this.logErr("DNSTaskExecutor", "unsupported dns provider type '"+provider.Type+"'")
|
||
isOk = true
|
||
return nil
|
||
}
|
||
params, err := provider.DecodeAPIParams()
|
||
if err != nil {
|
||
return err
|
||
}
|
||
err = manager.Auth(params)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
records, err := manager.GetRecords(dnsDomain.Name)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
recordsJSON, err := json.Marshal(records)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
err = dnsmodels.SharedDNSDomainDAO.UpdateDomainRecords(tx, domainId, recordsJSON)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
isOk = true
|
||
return nil
|
||
}
|
||
|
||
func (this *DNSTaskExecutor) findDNSManagerWithClusterId(tx *dbs.Tx, clusterId int64) (manager dnsclients.ProviderInterface, domainId int64, domain string, clusterDNSName string, dnsConfig *dnsconfigs.ClusterDNSConfig, err error) {
|
||
clusterDNS, err := models.SharedNodeClusterDAO.FindClusterDNSInfo(tx, clusterId, nil)
|
||
if err != nil {
|
||
return nil, 0, "", "", nil, err
|
||
}
|
||
if clusterDNS == nil || len(clusterDNS.DnsName) == 0 || clusterDNS.DnsDomainId <= 0 {
|
||
return nil, 0, "", "", nil, nil
|
||
}
|
||
|
||
dnsConfig, err = clusterDNS.DecodeDNSConfig()
|
||
if err != nil {
|
||
return nil, 0, "", "", nil, err
|
||
}
|
||
|
||
dnsDomain, manager, err := this.findDNSManagerWithDomainId(tx, int64(clusterDNS.DnsDomainId))
|
||
if err != nil {
|
||
return nil, 0, "", "", nil, err
|
||
}
|
||
|
||
if dnsDomain == nil {
|
||
return nil, 0, "", clusterDNS.DnsName, dnsConfig, nil
|
||
}
|
||
|
||
return manager, int64(dnsDomain.Id), dnsDomain.Name, clusterDNS.DnsName, dnsConfig, nil
|
||
}
|
||
|
||
func (this *DNSTaskExecutor) findDNSManagerWithDomainId(tx *dbs.Tx, domainId int64) (*dnsmodels.DNSDomain, dnsclients.ProviderInterface, error) {
|
||
dnsDomain, err := dnsmodels.SharedDNSDomainDAO.FindEnabledDNSDomain(tx, domainId, nil)
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
if dnsDomain == nil {
|
||
return nil, nil, nil
|
||
}
|
||
providerId := int64(dnsDomain.ProviderId)
|
||
if providerId <= 0 {
|
||
return nil, nil, nil
|
||
}
|
||
|
||
provider, err := dnsmodels.SharedDNSProviderDAO.FindEnabledDNSProvider(tx, providerId)
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
if provider == nil {
|
||
return nil, nil, nil
|
||
}
|
||
|
||
var manager = dnsclients.FindProvider(provider.Type)
|
||
if manager == nil {
|
||
this.logErr("DNSTaskExecutor", "unsupported dns provider type '"+provider.Type+"'")
|
||
return nil, nil, nil
|
||
}
|
||
params, err := provider.DecodeAPIParams()
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
err = manager.Auth(params)
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
return dnsDomain, manager, nil
|
||
}
|