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|
package kong
import (
"context"
"encoding/json"
"errors"
"fmt"
)
// Svcservice handles services in Kong.
type Svcservice service
// Create creates an Service in Kong
// If an ID is specified, it will be used to
// create a service in Kong, otherwise an ID
// is auto-generated.
func (s *Svcservice) Create(ctx context.Context,
service *Service) (*Service, error) {
if service == nil {
return nil, errors.New("cannot create a nil service")
}
endpoint := "/services"
method := "POST"
if service.ID != nil {
endpoint = endpoint + "/" + *service.ID
method = "PUT"
}
req, err := s.client.NewRequest(method, endpoint, nil, service)
if err != nil {
return nil, err
}
var createdService Service
_, err = s.client.Do(ctx, req, &createdService)
if err != nil {
return nil, err
}
return &createdService, nil
}
// Get fetches an Service in Kong.
func (s *Svcservice) Get(ctx context.Context,
nameOrID *string) (*Service, error) {
if isEmptyString(nameOrID) {
return nil, errors.New("nameOrID cannot be nil for Get operation")
}
endpoint := fmt.Sprintf("/services/%v", *nameOrID)
req, err := s.client.NewRequest("GET", endpoint, nil, nil)
if err != nil {
return nil, err
}
var Service Service
_, err = s.client.Do(ctx, req, &Service)
if err != nil {
return nil, err
}
return &Service, nil
}
// GetForRoute fetches a Service associated with routeID in Kong.
func (s *Svcservice) GetForRoute(ctx context.Context,
routeID *string) (*Service, error) {
if isEmptyString(routeID) {
return nil, errors.New("routeID cannot be nil for Get operation")
}
endpoint := fmt.Sprintf("/routes/%v/service", *routeID)
req, err := s.client.NewRequest("GET", endpoint, nil, nil)
if err != nil {
return nil, err
}
var Service Service
_, err = s.client.Do(ctx, req, &Service)
if err != nil {
return nil, err
}
return &Service, nil
}
// Update updates an Service in Kong
func (s *Svcservice) Update(ctx context.Context,
service *Service) (*Service, error) {
if service == nil {
return nil, errors.New("cannot update a nil service")
}
if isEmptyString(service.ID) {
return nil, errors.New("ID cannot be nil for Update operation")
}
endpoint := fmt.Sprintf("/services/%v", *service.ID)
req, err := s.client.NewRequest("PATCH", endpoint, nil, service)
if err != nil {
return nil, err
}
var updatedService Service
_, err = s.client.Do(ctx, req, &updatedService)
if err != nil {
return nil, err
}
return &updatedService, nil
}
// Delete deletes an Service in Kong
func (s *Svcservice) Delete(ctx context.Context, nameOrID *string) error {
if isEmptyString(nameOrID) {
return errors.New("nameOrID cannot be nil for Delete operation")
}
endpoint := fmt.Sprintf("/services/%v", *nameOrID)
req, err := s.client.NewRequest("DELETE", endpoint, nil, nil)
if err != nil {
return err
}
_, err = s.client.Do(ctx, req, nil)
return err
}
// List fetches a list of Services in Kong.
// opt can be used to control pagination.
func (s *Svcservice) List(ctx context.Context,
opt *ListOpt) ([]*Service, *ListOpt, error) {
data, next, err := s.client.list(ctx, "/services", opt)
if err != nil {
return nil, nil, err
}
var services []*Service
for _, object := range data {
b, err := object.MarshalJSON()
if err != nil {
return nil, nil, err
}
var service Service
err = json.Unmarshal(b, &service)
if err != nil {
return nil, nil, err
}
services = append(services, &service)
}
return services, next, nil
}
// ListAll fetches all Services in Kong.
// This method can take a while if there
// a lot of Services present.
func (s *Svcservice) ListAll(ctx context.Context) ([]*Service, error) {
var services, data []*Service
var err error
opt := &ListOpt{Size: pageSize}
for opt != nil {
data, opt, err = s.List(ctx, opt)
if err != nil {
return nil, err
}
services = append(services, data...)
}
return services, nil
}
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