Make check interval configurable

.golangci.toml

@@ -12,6 +12,7 @@ disable = [
   "noctx",
   "exportloopref",
   "gochecknoglobals", # Too strict
+  "godox",
 ]
 
 [issues]

config.example.toml

@@ -11,6 +11,8 @@ db = 0
 user = ""
 password = ""
 
+[alerting]
+interval = 1 # Check interval
 
 [[probe]]
 name = "example" # Unique name for probe

internal/alerting/webhooks.go

@@ -24,6 +24,8 @@ func SendNotification(c config.Alerting, message string) error {
 		return errDisabledWebhook
 	}
 
+	logrus.Debugf("sending a webhook with message : %s", message)
+
 	data, err := json.Marshal(webhook{
 		Username: c.Username,
 		Content:  message,
@@ -47,16 +49,17 @@ func SendNotification(c config.Alerting, message string) error {
 	return nil
 }
 
-func InitCheck(targets []config.Target) {
+func InitCheck(targets []config.Target, interval int) {
 	logrus.Debug("initializing alerting")
 
 	for {
+		logrus.Debug("1.1")
 		err := checkStatus(targets)
 		if err != nil {
 			logrus.Error(err)
 		}
 
-		time.Sleep(5 * time.Minute) // TODO make it configurable
+		time.Sleep(time.Duration(interval) * time.Minute)
 	}
 }
 

internal/config/config.go

@@ -11,6 +11,7 @@ type Config struct {
 	Listen string
 	Probe  []Target
 	Redis  cache.Config
+	Check  Check `toml:"alerting"`
 }
 
 type Target struct {
@@ -21,6 +22,10 @@ type Target struct {
 	Webhooks    Alerting
 }
 
+type Check struct {
+	Interval int
+}
+
 type Alerting struct {
 	Enabled  bool
 	Username string

internal/config/test_resources/valid.toml

@@ -11,6 +11,9 @@ db = 0
 user = "test"
 password = "Password123"
 
+[alerting]
+interval = 1
+
 [[probe]]
 name = "example" # Unique name for probe
 description = "Check https://example.org website"

internal/config/toml_test.go

@@ -33,6 +33,7 @@ func TestToml(t *testing.T) {
 				User:     "test",
 				Password: "Password123",
 			},
+			Check: Check{Interval: 1},
 			Probe: []Target{{
 				Name:        "example",
 				Description: "Check https://example.org website",

main.go

@@ -47,7 +47,7 @@ func main() {
 		}
 	}
 
-	go alerting.InitCheck(c.Probe)
+	go alerting.InitCheck(c.Probe, c.Check.Interval)
 
 	router.Init(c)
 }