mirror of
https://github.com/openziti/ziti.git
synced 2026-09-10 16:55:41 +00:00
Paul Lorenz
b353d2d9b6
- rejects a remove or update request whose terminator is owned by a different router, on the fabric control channel handlers - drops ids the requesting router does not own from batch removals, keeping absent ids so a delete racing a not-yet-applied create is still ordered after it - adds unit tests for the ownership filter and for the single-terminator check - adds an end-to-end test that drives the fabric control channel from an enrolled router against a second router's terminator, covering single remove, batch remove, and re-weight, plus a control that a router can still remove its own
88 lines
2.7 KiB
Go
88 lines
2.7 KiB
Go
/*
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Copyright NetFoundry Inc.
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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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https://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package handler_ctrl
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import (
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"github.com/michaelquigley/pfxlog"
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"github.com/openziti/channel/v5"
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"github.com/openziti/ziti/v2/common/handler_common"
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"github.com/openziti/ziti/v2/common/pb/ctrl_pb"
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"github.com/openziti/ziti/v2/controller/model"
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"github.com/openziti/ziti/v2/controller/network"
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"google.golang.org/protobuf/proto"
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)
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type removeTerminatorHandler struct {
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baseHandler
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}
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func newRemoveTerminatorHandler(network *network.Network, router *model.Router) *removeTerminatorHandler {
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return &removeTerminatorHandler{
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baseHandler: baseHandler{
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router: router,
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network: network,
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},
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}
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}
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func (self *removeTerminatorHandler) ContentType() int32 {
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return int32(ctrl_pb.ContentType_RemoveTerminatorRequestType)
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}
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func (self *removeTerminatorHandler) HandleReceive(msg *channel.Message, ch channel.Channel) {
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log := pfxlog.ContextLogger(ch.Label())
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request := &ctrl_pb.RemoveTerminatorRequest{}
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if err := proto.Unmarshal(msg.Body, request); err != nil {
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log.WithError(err).Error("failed to unmarshal remove terminator message")
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return
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}
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go self.handleRemoveTerminator(msg, ch, request)
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}
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func (self *removeTerminatorHandler) handleRemoveTerminator(msg *channel.Message, ch channel.Channel, request *ctrl_pb.RemoveTerminatorRequest) {
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log := pfxlog.ContextLogger(ch.Label())
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terminator, err := self.network.Terminator.Read(request.TerminatorId)
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if err != nil {
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handler_common.SendFailure(msg, ch, err.Error())
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return
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}
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if !self.ownsTerminator(terminator) {
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log.
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WithField("routerId", self.router.Id).
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WithField("terminator", request.TerminatorId).
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WithField("terminatorRouterId", terminator.Router).
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Warn("router attempted to remove a terminator it does not own; rejected")
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handler_common.SendFailure(msg, ch, "terminator not owned by requesting router")
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return
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}
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if err := self.network.Terminator.Delete(request.TerminatorId, self.newChangeContext(ch, "fabric.remove.terminator")); err == nil {
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log.
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WithField("routerId", ch.Id()).
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WithField("serviceId", terminator.Service).
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WithField("terminator", request.TerminatorId).
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Info("removed terminator")
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handler_common.SendSuccess(msg, ch, "")
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} else {
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handler_common.SendFailure(msg, ch, err.Error())
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}
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}
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