mirror of
https://github.com/openziti/ziti.git
synced 2026-09-10 00:35:41 +00:00
Paul Lorenz
91 lines
3.1 KiB
Go
91 lines
3.1 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/command"
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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 removeTerminatorsHandler struct {
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baseHandler
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}
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func newRemoveTerminatorsHandler(network *network.Network, router *model.Router) *removeTerminatorsHandler {
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return &removeTerminatorsHandler{
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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 *removeTerminatorsHandler) ContentType() int32 {
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return int32(ctrl_pb.ContentType_RemoveTerminatorsRequestType)
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}
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func (self *removeTerminatorsHandler) HandleReceive(msg *channel.Message, ch channel.Channel) {
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log := pfxlog.ContextLogger(ch.Label())
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request := &ctrl_pb.RemoveTerminatorsRequest{}
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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.handleRemoveTerminators(msg, ch, request)
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}
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func (self *removeTerminatorsHandler) handleRemoveTerminators(msg *channel.Message, ch channel.Channel, request *ctrl_pb.RemoveTerminatorsRequest) {
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log := pfxlog.ContextLogger(ch.Label())
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if len(request.TerminatorIds) == 0 {
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handler_common.SendSuccess(msg, ch, "")
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return
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}
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// Drop ids this router doesn't own, so it can't remove another router's terminators. Absent ids
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// are kept (not pre-filtered by presence): the create for a terminator may be in-flight in raft
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// but not yet applied to the DB, so sending it through raft orders the delete after the create,
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// and ApplyDeleteBatch handles non-existent ids gracefully.
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toDelete := self.selectOwnedTerminators(request.TerminatorIds)
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if len(toDelete) == 0 {
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handler_common.SendSuccess(msg, ch, "")
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return
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}
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if err := self.network.Terminator.DeleteBatch(toDelete, self.newChangeContext(ch, "fabric.remove.terminators.batch")); err == nil {
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log.
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WithField("routerId", ch.Id()).
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WithField("terminatorIds", toDelete).
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Info("removed terminators")
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handler_common.SendSuccess(msg, ch, "")
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} else if command.WasRateLimited(err) || command.WasLeaderless(err) {
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// A leaderless cluster (during a membership change) is transient; signal busy so the router retries
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// rather than treating the removal as a permanent failure.
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handler_common.SendServerBusy(msg, ch, "remove.terminators")
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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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