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189 lines
7.1 KiB
189 lines
7.1 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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"errors"
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"github.com/go-openapi/runtime/middleware"
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"github.com/haproxytech/client-native/v6/models"
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sc "github.com/haproxytech/dataplaneapi/discovery"
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"github.com/haproxytech/dataplaneapi/misc"
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"github.com/haproxytech/dataplaneapi/operations/service_discovery"
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)
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// CreateConsulHandlerImpl implementation of the CreateConsulHandler interface using client-native client
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type CreateConsulHandlerImpl struct {
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Discovery sc.ServiceDiscoveries
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PersistCallback func([]*models.Consul) error
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UseValidation bool
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}
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// DeleteConsulHandlerImpl implementation of the DeleteConsulHandler interface using client-native client
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type DeleteConsulHandlerImpl struct {
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Discovery sc.ServiceDiscoveries
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PersistCallback func([]*models.Consul) error
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}
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// GetConsulHandlerImpl implementation of the GetConsulHandler interface using client-native client
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type GetConsulHandlerImpl struct {
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Discovery sc.ServiceDiscoveries
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}
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// GetConsulsHandlerImpl implementation of the GetConsulsHandler interface using client-native client
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type GetConsulsHandlerImpl struct {
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Discovery sc.ServiceDiscoveries
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}
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// ReplaceConsulHandlerImpl implementation of the ReplaceConsulHandler interface using client-native client
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type ReplaceConsulHandlerImpl struct {
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Discovery sc.ServiceDiscoveries
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PersistCallback func([]*models.Consul) error
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UseValidation bool
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}
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// Handle executing the request and returning a response
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func (c *CreateConsulHandlerImpl) Handle(params service_discovery.CreateConsulParams, principal interface{}) middleware.Responder {
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params.Data.ID = sc.NewServiceDiscoveryUUID()
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if err := sc.ValidateConsulData(params.Data, c.UseValidation); err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewCreateConsulDefault(int(*e.Code)).WithPayload(e)
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}
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setFilters(params.Data)
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if params.Data.HealthCheckPolicy != nil && *params.Data.HealthCheckPolicy == models.ConsulHealthCheckPolicyMin && params.Data.HealthCheckPolicyMin <= 0 {
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e := &models.Error{
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Message: misc.StringP("health_check_policy_min is required for 'min' health_check_policy"),
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Code: misc.Int64P(int(misc.ErrHTTPBadRequest)),
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}
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return service_discovery.NewCreateConsulDefault(int(*e.Code)).WithPayload(e)
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}
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err := c.Discovery.AddNode("consul", *params.Data.ID, params.Data)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewCreateConsulDefault(int(*e.Code)).WithPayload(e)
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}
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consuls, err := getConsuls(c.Discovery)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewCreateConsulDefault(int(*e.Code)).WithPayload(e)
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}
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err = c.PersistCallback(consuls)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewCreateConsulDefault(int(*e.Code)).WithPayload(e)
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}
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return service_discovery.NewCreateConsulCreated().WithPayload(params.Data)
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}
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// Handle executing the request and returning a response
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func (c *DeleteConsulHandlerImpl) Handle(params service_discovery.DeleteConsulParams, principal interface{}) middleware.Responder {
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err := c.Discovery.RemoveNode("consul", params.ID)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewReplaceConsulDefault(int(*e.Code)).WithPayload(e)
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}
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consuls, err := getConsuls(c.Discovery)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewDeleteConsulDefault(int(*e.Code)).WithPayload(e)
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}
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err = c.PersistCallback(consuls)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewDeleteConsulDefault(int(*e.Code)).WithPayload(e)
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}
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return service_discovery.NewDeleteConsulNoContent()
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}
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// Handle executing the request and returning a response
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func (c *GetConsulHandlerImpl) Handle(params service_discovery.GetConsulParams, principal interface{}) middleware.Responder {
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nodes, err := c.Discovery.GetNode("consul", params.ID)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewGetConsulsDefault(int(*e.Code)).WithPayload(e)
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}
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consul, ok := nodes.(*models.Consul)
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if !ok {
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e := misc.HandleError(errors.New("expected *models.Consul"))
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return service_discovery.NewGetConsulsDefault(int(*e.Code)).WithPayload(e)
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}
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return service_discovery.NewGetConsulOK().WithPayload(&service_discovery.GetConsulOKBody{Data: consul})
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}
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// Handle executing the request and returning a response
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func (c *GetConsulsHandlerImpl) Handle(params service_discovery.GetConsulsParams, principal interface{}) middleware.Responder {
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consuls, err := getConsuls(c.Discovery)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewGetConsulDefault(int(*e.Code)).WithPayload(e)
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}
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return service_discovery.NewGetConsulsOK().WithPayload(&service_discovery.GetConsulsOKBody{Data: consuls})
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}
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// Handle executing the request and returning a response
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func (c *ReplaceConsulHandlerImpl) Handle(params service_discovery.ReplaceConsulParams, principal interface{}) middleware.Responder {
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if err := sc.ValidateConsulData(params.Data, c.UseValidation); err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewReplaceConsulDefault(int(*e.Code)).WithPayload(e)
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}
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setFilters(params.Data)
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if *params.Data.HealthCheckPolicy == models.ConsulHealthCheckPolicyMin && params.Data.HealthCheckPolicyMin <= 0 {
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e := &models.Error{
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Message: misc.StringP("health_check_policy_min is required for 'min' health_check_policy"),
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Code: misc.Int64P(int(misc.ErrHTTPBadRequest)),
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}
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return service_discovery.NewCreateConsulDefault(int(*e.Code)).WithPayload(e)
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}
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err := c.Discovery.UpdateNode("consul", *params.Data.ID, params.Data)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewReplaceConsulDefault(int(*e.Code)).WithPayload(e)
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}
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consuls, err := getConsuls(c.Discovery)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewReplaceConsulDefault(int(*e.Code)).WithPayload(e)
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}
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err = c.PersistCallback(consuls)
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if err != nil {
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e := misc.HandleError(err)
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return service_discovery.NewDeleteConsulDefault(int(*e.Code)).WithPayload(e)
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}
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return service_discovery.NewReplaceConsulOK().WithPayload(params.Data)
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}
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func setFilters(data *models.Consul) {
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if len(data.ServiceAllowlist) == 0 && len(data.ServiceWhitelist) > 0 {
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data.ServiceAllowlist = data.ServiceWhitelist
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}
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if len(data.ServiceDenylist) == 0 && len(data.ServiceBlacklist) > 0 {
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data.ServiceDenylist = data.ServiceBlacklist
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}
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}
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func getConsuls(discovery sc.ServiceDiscoveries) (models.Consuls, error) {
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nodes, err := discovery.GetNodes("consul")
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if err != nil {
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return nil, err
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}
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consuls, ok := nodes.(models.Consuls)
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if !ok {
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return nil, errors.New("expected models.Consuls")
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}
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return consuls, nil
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}
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