Start working on #12: Fix inconsistencies in alerting providers

config/config.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"errors"
+	"github.com/TwinProduction/gatus/alerting"
 	"github.com/TwinProduction/gatus/core"
 	"gopkg.in/yaml.v2"
 	"io/ioutil"
@@ -21,10 +22,10 @@ var (
 )
 
 type Config struct {
-	Metrics  bool                 `yaml:"metrics"`
-	Debug    bool                 `yaml:"debug"`
-	Alerting *core.AlertingConfig `yaml:"alerting"`
-	Services []*core.Service      `yaml:"services"`
+	Metrics  bool             `yaml:"metrics"`
+	Debug    bool             `yaml:"debug"`
+	Alerting *alerting.Config `yaml:"alerting"`
+	Services []*core.Service  `yaml:"services"`
 }
 
 func Get() *Config {

config/config_test.go

@@ -121,7 +121,8 @@ badconfig:
 func TestParseAndValidateConfigBytesWithAlerting(t *testing.T) {
 	config, err := parseAndValidateConfigBytes([]byte(`
 alerting:
-  slack: "http://example.com"
+  slack:
+    webhook-url: "http://example.com"
 services:
   - name: twinnation
     url: https://twinnation.org/actuator/health
@@ -145,7 +146,7 @@ services:
 	if config.Alerting == nil {
 		t.Fatal("config.AlertingConfig shouldn't have been nil")
 	}
-	if config.Alerting.Slack != "http://example.com" {
+	if config.Alerting.Slack.WebhookUrl != "http://example.com" {
 		t.Errorf("Slack webhook should've been %s, but was %s", "http://example.com", config.Alerting.Slack)
 	}
 	if len(config.Services) != 1 {