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frontend.go
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frontend.go
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// Copyright 2019 HAProxy Technologies
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package configuration
import (
"fmt"
strfmt "github.com/go-openapi/strfmt"
parser "github.com/haproxytech/config-parser/v5"
"github.com/haproxytech/client-native/v6/models"
)
type Frontend interface {
GetFrontends(transactionID string) (int64, models.Frontends, error)
GetFrontend(name string, transactionID string) (int64, *models.Frontend, error)
DeleteFrontend(name string, transactionID string, version int64) error
EditFrontend(name string, data *models.Frontend, transactionID string, version int64) error
CreateFrontend(data *models.Frontend, transactionID string, version int64) error
}
// GetFrontends returns configuration version and an array of
// configured frontends. Returns error on fail.
func (c *client) GetFrontends(transactionID string) (int64, models.Frontends, error) {
p, err := c.GetParser(transactionID)
if err != nil {
return 0, nil, err
}
v, err := c.GetVersion(transactionID)
if err != nil {
return 0, nil, err
}
fNames, err := p.SectionsGet(parser.Frontends)
if err != nil {
return v, nil, err
}
frontends := []*models.Frontend{}
for _, name := range fNames {
f := &models.Frontend{Name: name}
if err := ParseSection(f, parser.Frontends, name, p); err != nil {
continue
}
frontends = append(frontends, f)
}
return v, frontends, nil
}
// GetFrontend returns configuration version and a requested frontend.
// Returns error on fail or if frontend does not exist.
func (c *client) GetFrontend(name string, transactionID string) (int64, *models.Frontend, error) {
p, err := c.GetParser(transactionID)
if err != nil {
return 0, nil, err
}
v, err := c.GetVersion(transactionID)
if err != nil {
return 0, nil, err
}
if !c.checkSectionExists(parser.Frontends, name, p) {
return v, nil, NewConfError(ErrObjectDoesNotExist, fmt.Sprintf("Frontend %s does not exist", name))
}
frontend := &models.Frontend{Name: name}
if err := ParseSection(frontend, parser.Frontends, name, p); err != nil {
return v, nil, err
}
return v, frontend, nil
}
// DeleteFrontend deletes a frontend in configuration. One of version or transactionID is
// mandatory. Returns error on fail, nil on success.
func (c *client) DeleteFrontend(name string, transactionID string, version int64) error {
return c.deleteSection(parser.Frontends, name, transactionID, version)
}
// EditFrontend edits a frontend in configuration. One of version or transactionID is
// mandatory. Returns error on fail, nil on success.
func (c *client) EditFrontend(name string, data *models.Frontend, transactionID string, version int64) error {
if c.UseModelsValidation {
validationErr := data.Validate(strfmt.Default)
if validationErr != nil {
return NewConfError(ErrValidationError, validationErr.Error())
}
}
return c.editSection(parser.Frontends, name, data, transactionID, version)
}
// CreateFrontend creates a frontend in configuration. One of version or transactionID is
// mandatory. Returns error on fail, nil on success.
func (c *client) CreateFrontend(data *models.Frontend, transactionID string, version int64) error {
if c.UseModelsValidation {
validationErr := data.Validate(strfmt.Default)
if validationErr != nil {
return NewConfError(ErrValidationError, validationErr.Error())
}
}
return c.createSection(parser.Frontends, data.Name, data, transactionID, version)
}