Continue working on #2: Slack alerts

config/config.go

@@ -22,6 +22,7 @@ var (
 
 type Config struct {
 	Metrics  bool            `yaml:"metrics"`
+	Alerting *core.Alerting  `yaml:"alerting"`
 	Services []*core.Service `yaml:"services"`
 }
 

core/alert.go

@@ -0,0 +1,14 @@
+package core
+
+type Alert struct {
+	Type        AlertType `yaml:"type"`
+	Enabled     bool      `yaml:"enabled"`
+	Threshold   int       `yaml:"threshold"`
+	Description string    `yaml:"description"`
+}
+
+type AlertType string
+
+const (
+	SlackAlert AlertType = "slack"
+)

core/alerting.go

@@ -0,0 +1,5 @@
+package core
+
+type Alerting struct {
+	Slack string `yaml:"slack"`
+}