Add kapacitor alert node structs

chronograf.go

@@ -107,7 +107,8 @@ type AlertRule struct {
 	ID            string          `json:"id,omitempty"` // ID is the unique ID of the alert
 	Query         QueryConfig     `json:"query"`        // Query is the filter of data for the alert.
 	Every         string          `json:"every"`        // Every how often to check for the alerting criteria
-	Alerts        []string      `json:"alerts"`       // AlertServices name all the services to notify (e.g. pagerduty)
+	Alerts        []string        `json:"alerts"`       // Alerts name all the services to notify (e.g. pagerduty)
+	AlertNodes    []KapacitorNode `json:"alertNodes"`   // AlertNodes define additional arguments to alerts
 	Message       string          `json:"message"`      // Message included with alert
 	Details       string          `json:"details"`      // Details is generally used for the Email alert.  If empty will not be added.
 	Trigger       string          `json:"trigger"`      // Trigger is a type that defines when to trigger the alert
@@ -173,6 +174,20 @@ type QueryConfig struct {
 	RawText         string              `json:"rawText,omitempty"`
 }
 
+// KapacitorNode adds arguments and properties to an alert
+type KapacitorNode struct {
+	Name       string               `json:"name"`
+	Args       []string             `json:"args"`
+	Properties []*KapacitorProperty `json:"properties"`
+	// In the future we could add chaining methods here.
+}
+
+// KapacitorProperty modifies the node they are called on
+type KapacitorProperty struct {
+	Name string   `json:"name"`
+	Args []string `json:"args"`
+}
+
 // Server represents a proxy connection to an HTTP server
 type Server struct {
 	ID       int    // ID is the unique ID of the server

server/swagger.json

@@ -1714,6 +1714,8 @@
 					"items": {
 						"type": "string",
 						"enum": [
+							"post",
+							"tcp",
 							"hipchat",
 							"opsgenie",
 							"pagerduty",