mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-05-08 06:31:00 +08:00
127 lines
3.0 KiB
Go
127 lines
3.0 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package dns
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import (
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"strings"
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"github.com/coredns/coredns/plugin/pkg/dnsutil"
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"github.com/coredns/coredns/request"
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"github.com/miekg/dns"
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"yunion.io/x/pkg/tristate"
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"yunion.io/x/onecloud/pkg/compute/models"
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)
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type recordRequest struct {
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state request.Request
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domainSegs []string
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srcProjectId string
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srcInCloud bool
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network *models.SNetwork
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}
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func parseRequest(state request.Request) (r *recordRequest, err error) {
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base, _ := dnsutil.TrimZone(state.Name(), state.Zone)
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segs := dns.SplitDomainName(base)
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r = &recordRequest{
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state: state,
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domainSegs: segs,
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}
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srcIP := r.SrcIP4()
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// NOTE the check on networks_tbl is a hack, we should be more specific
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// by querying only guest networks, host networks, and others like
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// loadbalancer network the to come.
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//
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// Order matters here, we want to find the srcIP project as accurately
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// as possible
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if guest := models.GuestnetworkManager.GetGuestByAddress(srcIP); guest != nil {
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r.srcProjectId = guest.ProjectId
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r.srcInCloud = true
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} else if network, _ := models.NetworkManager.GetOnPremiseNetworkOfIP(srcIP, "", tristate.None); network != nil {
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r.srcProjectId = network.ProjectId
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r.srcInCloud = true
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}
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return
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}
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func (r recordRequest) Name() string {
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//fullName, _ := dnsutil.TrimZone(r.state.Name(), "")
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name := r.state.Name()
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name = strings.TrimSuffix(name, ".")
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return name
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}
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func (r recordRequest) Zone() string {
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return r.state.Zone
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}
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func (r recordRequest) IsPlainName() bool {
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nl := dns.CountLabel(r.Name())
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return nl == 1
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}
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func (r recordRequest) QueryName() string {
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seps := strings.Split(r.Name(), ".")
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if len(seps) == 0 {
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return ""
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}
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return seps[0]
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}
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func (r recordRequest) Type() string {
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return DNSTypeMap[r.state.QType()]
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}
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func (r recordRequest) IsSRV() bool {
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return r.Type() == DNSTypeMap[dns.TypeSRV]
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}
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func (r recordRequest) SrcIP4() string {
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ip := r.state.IP()
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return ip
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}
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func (r recordRequest) ProjectId() string {
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return r.srcProjectId
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}
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func (r recordRequest) SrcInCloud() bool {
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return r.srcInCloud
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}
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type K8sQueryInfo struct {
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ServiceName string
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Namespace string
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}
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func (r recordRequest) GetK8sQueryInfo() K8sQueryInfo {
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parts := strings.SplitN(r.Name(), ".", 3)
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var svcName string
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var namespace string
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if len(parts) >= 2 {
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svcName = parts[0]
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namespace = parts[1]
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} else {
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svcName = parts[0]
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namespace = "default"
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}
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return K8sQueryInfo{
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ServiceName: svcName,
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Namespace: namespace,
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}
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}
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