dnscontrol/pkg/notifications/notifications.go
Craig Peterson 9dbd4a3066
Simple notification framework (#297)
* bonfire notifications working

* make interface to make more extensible

* some docs

* typo

* rename typo
2018-01-11 11:15:19 -05:00

42 lines
1.3 KiB
Go

package notifications
// Notifier is a type that can send a notification
type Notifier interface {
// Notify will be called after a correction is performed.
// It will be given the correction's message, the result of executing it,
// and a flag for whether this is a preview or if it actually ran.
// If preview is true, err will always be nil.
Notify(domain, provider string, message string, err error, preview bool)
// Done will be called exactly once after all notifications are done. This will allow "batched" notifiers to flush and send
Done()
}
// new notification types should add themselves to this array
var initers = []func(map[string]string) Notifier{}
// Init will take the given config map (from creds.json notifications key) and create a single Notifier with
// all notifications it has full config for.
func Init(config map[string]string) Notifier {
notifiers := multiNotifier{}
for _, i := range initers {
n := i(config)
if n != nil {
notifiers = append(notifiers, n)
}
}
return notifiers
}
type multiNotifier []Notifier
func (m multiNotifier) Notify(domain, provider string, message string, err error, preview bool) {
for _, n := range m {
n.Notify(domain, provider, message, err, preview)
}
}
func (m multiNotifier) Done() {
for _, n := range m {
n.Done()
}
}