Finalize PagerDuty config

config/config.go

@@ -141,16 +141,27 @@ func (c *Config) UnmarshalYAML(unmarshal func(interface{}) error) error {
 				sc.URL = c.Global.SlackURL
 			}
 		}
+		for _, pdc := range nc.PagerdutyConfigs {
+			if pdc.URL == "" {
+				if c.Global.PagerDutyURL == "" {
+					return fmt.Errorf("no global PagerDuty URL set")
+				}
+				pdc.URL = c.Global.PagerDutyURL
+			}
+		}
 		names[nc.Name] = struct{}{}
 	}
 	return checkOverflow(c.XXX, "config")
 }
 
-var DefaultGlobalConfig = GlobalConfig{}
+var DefaultGlobalConfig = GlobalConfig{
+	PagerdutyURL: "https://events.pagerduty.com/generic/2010-04-15/create_event.json",
+}
 
 type GlobalConfig struct {
-	Smarthost string `yaml:"smarthost"`
-	SlackURL  string `yaml:"slack_url"`
+	Smarthost    string `yaml:"smarthost"`
+	SlackURL     string `yaml:"slack_url"`
+	PagerDutyURL string `yaml:"pagerduty_url"`
 }
 
 func (c *GlobalConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {

config/notifies.go

@@ -43,20 +43,32 @@ var (
 			HTML:   "email.default.html",
 		},
 	}
+
+	DefaultPagerDutyConfig = PagerDutyConfig{
+		Templates: PagerDutyTemplates{
+			Description: "pagerduty.default.description",
+		},
+	}
 )
 
 // Configuration for notification via PagerDuty.
 type PagerdutyConfig struct {
-	// PagerDuty service key, see:
-	// http://developer.pagerduty.com/documentation/integration/events
 	ServiceKey string `yaml:"service_key"`
+	URL        string `yaml:"url"`
+
+	Templates PagerDutyTemplates `yaml:"templates"`
 
 	// Catches all undefined fields and must be empty after parsing.
 	XXX map[string]interface{} `yaml:",inline"`
 }
 
+type PagerDutyTemplates struct {
+	Description string
+}
+
 // UnmarshalYAML implements the yaml.Unmarshaler interface.
 func (c *PagerdutyConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
+	*c = DefaultPagerDutyConfig
 	type plain PagerdutyConfig
 	if err := unmarshal((*plain)(c)); err != nil {
 		return err