mirror of
https://github.com/OneUptime/oneuptime
synced 2024-11-22 15:24:55 +00:00
53 lines
896 B
Go
53 lines
896 B
Go
package oneuptime_infrastructure_agent
|
|
|
|
import (
|
|
"os"
|
|
"os/signal"
|
|
"syscall"
|
|
)
|
|
|
|
// thanks to https://github.com/xinliangnote/go-gin-api
|
|
|
|
var _ Hook = (*hook)(nil)
|
|
|
|
// Hook a graceful shutdown hook, default with signals of SIGINT and SIGTERM
|
|
type Hook interface {
|
|
// WithSignals add more signals into hook
|
|
WithSignals(signals ...syscall.Signal) Hook
|
|
|
|
// Close register shutdown handles
|
|
Close(funcs ...func())
|
|
}
|
|
|
|
type hook struct {
|
|
ctx chan os.Signal
|
|
}
|
|
|
|
// NewHook create a Hook instance
|
|
func NewShutdownHook() Hook {
|
|
hook := &hook{
|
|
ctx: make(chan os.Signal, 1),
|
|
}
|
|
|
|
return hook.WithSignals(syscall.SIGINT, syscall.SIGTERM)
|
|
}
|
|
|
|
func (h *hook) WithSignals(signals ...syscall.Signal) Hook {
|
|
for _, s := range signals {
|
|
signal.Notify(h.ctx, s)
|
|
}
|
|
|
|
return h
|
|
}
|
|
|
|
func (h *hook) Close(funcs ...func()) {
|
|
select {
|
|
case <-h.ctx:
|
|
}
|
|
signal.Stop(h.ctx)
|
|
|
|
for _, f := range funcs {
|
|
f()
|
|
}
|
|
}
|