resource/systemd/unit/systemd_stub.go
// Copyright © 2016 Asteris, LLC
//
// 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.
// +build !linux
package unit
import "errors"
// StubExecutor provides a struct for stub functions that return
// ErrUnsupportedOS
type StubExecutor struct{}
// ErrUnsupportedOS is returned by every function attached to StubExecutor
var ErrUnsupportedOS = errors.New("unsupported OS: systemd is only supported on Linux systems")
// ListUnits is a stub
func (s StubExecutor) ListUnits() (units []*Unit, err error) {
err = ErrUnsupportedOS
return
}
// QueryUnit is a stub
func (s StubExecutor) QueryUnit(string, bool) (*Unit, error) {
return nil, ErrUnsupportedOS
}
// StartUnit is a stub
func (s StubExecutor) StartUnit(*Unit) error {
return ErrUnsupportedOS
}
// StopUnit is a stub
func (s StubExecutor) StopUnit(*Unit) error {
return ErrUnsupportedOS
}
// RestartUnit is a stub
func (s StubExecutor) RestartUnit(*Unit) error {
return ErrUnsupportedOS
}
// ReloadUnit is a stub
func (s StubExecutor) ReloadUnit(*Unit) error {
return ErrUnsupportedOS
}
// SendSignal is a stub
func (s StubExecutor) SendSignal(*Unit, Signal) {
return
}
func realExecutor() (SystemdExecutor, error) {
return StubExecutor{}, ErrUnsupportedOS
}