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132 lines
4.2 KiB
132 lines
4.2 KiB
// Copyright 2019 HAProxy Technologies
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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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//
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package handlers
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import (
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"github.com/go-openapi/runtime/middleware"
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client_native "github.com/haproxytech/client-native/v6"
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"github.com/haproxytech/client-native/v6/models"
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cn "github.com/haproxytech/dataplaneapi/client-native"
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"github.com/haproxytech/dataplaneapi/haproxy"
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"github.com/haproxytech/dataplaneapi/misc"
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"github.com/haproxytech/dataplaneapi/operations/global"
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)
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// GetGlobalHandlerImpl implementation of the GetGlobalHandler interface
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type GetGlobalHandlerImpl struct {
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Client client_native.HAProxyClient
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}
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// ReplaceGlobalHandlerImpl implementation of the ReplaceGlobalHandler interface
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type ReplaceGlobalHandlerImpl struct {
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Client client_native.HAProxyClient
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ReloadAgent haproxy.IReloadAgent
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}
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// Handle executing the request and returning a response
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func (h *GetGlobalHandlerImpl) Handle(params global.GetGlobalParams, principal interface{}) middleware.Responder {
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t := ""
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if params.TransactionID != nil {
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t = *params.TransactionID
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}
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configuration, err := h.Client.Configuration()
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if err != nil {
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e := misc.HandleError(err)
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return global.NewGetGlobalDefault(int(*e.Code)).WithPayload(e)
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}
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v, data, err := configuration.GetGlobalConfiguration(t)
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if err != nil {
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e := misc.HandleError(err)
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return global.NewGetGlobalDefault(int(*e.Code)).WithPayload(e)
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}
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return global.NewGetGlobalOK().WithPayload(&global.GetGlobalOKBody{Version: v, Data: data})
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}
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// Handle executing the request and returning a response
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func (h *ReplaceGlobalHandlerImpl) Handle(params global.ReplaceGlobalParams, principal interface{}) middleware.Responder {
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t := ""
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v := int64(0)
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if params.TransactionID != nil {
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t = *params.TransactionID
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}
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if params.Version != nil {
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v = *params.Version
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}
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if t != "" && *params.ForceReload {
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msg := "Both force_reload and transaction specified, specify only one"
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c := misc.ErrHTTPBadRequest
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e := &models.Error{
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Message: &msg,
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Code: &c,
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}
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return global.NewReplaceGlobalDefault(int(*e.Code)).WithPayload(e)
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}
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configuration, err := h.Client.Configuration()
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if err != nil {
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e := misc.HandleError(err)
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return global.NewReplaceGlobalDefault(int(*e.Code)).WithPayload(e)
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}
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// save old runtime configuration to know if the runtime client must be configured after the new configuration is
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// reloaded by HAProxy. Logic is done by cn.ReconfigureRuntime() function.
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_, globalConf, err := configuration.GetGlobalConfiguration("")
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if err != nil {
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e := misc.HandleError(err)
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return global.NewReplaceGlobalDefault(int(*e.Code)).WithPayload(e)
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}
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runtimeAPIsOld := globalConf.RuntimeAPIs
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err = configuration.PushGlobalConfiguration(params.Data, t, v)
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if err != nil {
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e := misc.HandleError(err)
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return global.NewReplaceGlobalDefault(int(*e.Code)).WithPayload(e)
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}
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if params.TransactionID == nil {
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callbackNeeded, reconfigureFunc, err := cn.ReconfigureRuntime(h.Client, runtimeAPIsOld)
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if err != nil {
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e := misc.HandleError(err)
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return global.NewReplaceGlobalDefault(int(*e.Code)).WithPayload(e)
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}
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if *params.ForceReload {
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if callbackNeeded {
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err = h.ReloadAgent.ForceReloadWithCallback(reconfigureFunc)
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} else {
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err = h.ReloadAgent.ForceReload()
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}
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if err != nil {
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e := misc.HandleError(err)
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return global.NewReplaceGlobalDefault(int(*e.Code)).WithPayload(e)
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}
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return global.NewReplaceGlobalOK().WithPayload(params.Data)
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}
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var rID string
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if callbackNeeded {
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rID = h.ReloadAgent.ReloadWithCallback(reconfigureFunc)
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} else {
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rID = h.ReloadAgent.Reload()
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}
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return global.NewReplaceGlobalAccepted().WithReloadID(rID).WithPayload(params.Data)
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}
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return global.NewReplaceGlobalAccepted().WithPayload(params.Data)
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}
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