Adds analytics for requests made (#1999)

analytics/ga.go

@@ -21,7 +21,25 @@ func SendStartEvent(se StartEvent) error {
 		},
 	}
 
-	jsonValue, err := json.Marshal(postBody)
+	return doRequest(postBody)
+}
+
+func SendRequestEvent(re RequestEvent) error {
+	postBody := map[string]interface{}{
+		"client_id": re.ClientId,
+		"events": []map[string]interface{}{
+			{
+				"name":   "request",
+				"params": re,
+			},
+		},
+	}
+
+	return doRequest(postBody)
+}
+
+func doRequest(body map[string]interface{}) error {
+	jsonValue, err := json.Marshal(body)
 	if err != nil {
 		return err
 	}

analytics/types.go

@@ -9,3 +9,9 @@ type StartEvent struct {
 	Protected     bool   `json:"protected"`
 	HasHostname   bool   `json:"hasHostname"`
 }
+
+type RequestEvent struct {
+	ClientId         string `json:"-"`
+	TotalContainers  int    `json:"totalContainers"`
+	RunningContainers int    `json:"runningContainers"`
+}