chore(CORE-640): Centralize mixpanel code (#85)

* feat: add telemetry package

go.mod

@@ -118,4 +118,5 @@ require (
 	k8s.io/utils v0.0.0-20201110183641-67b214c5f920 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.0.3 // indirect
 	sigs.k8s.io/yaml v1.2.0 // indirect
+	vizzlo.com/mixpanel v1.2.0 // indirect
 )

go.sum

@@ -828,3 +828,5 @@ sigs.k8s.io/structured-merge-diff/v4 v4.0.3/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
+vizzlo.com/mixpanel v1.2.0 h1:ip0yFM9mIgAKDB0yIkUB2y+C2n+6MXaQ0KQk3DyISjE=
+vizzlo.com/mixpanel v1.2.0/go.mod h1:bmKnyCOO+/6SRhjujPG6ARtNJdTRepmA/TH+Nt/1GyU=

telemetry/doc.go

@@ -0,0 +1,2 @@
+// Package telemetry contains helper functions that allow you to instrument applications with telemetry
+package telemetry

telemetry/mixpanel.go

@@ -0,0 +1,53 @@
+package telemetry
+
+import (
+	"log"
+	"time"
+
+	"vizzlo.com/mixpanel"
+)
+
+type MixpanelTelemetryTracker struct {
+	clientId string
+	client   *mixpanel.Client
+	appName  string
+	version  string
+}
+
+/*
+Helper func for combining two maps
+This is used to combine our baseline props sent for all events
+with event props given from a caller
+*/
+func mergeMaps(maps ...map[string]interface{}) map[string]interface{} {
+	result := make(map[string]interface{})
+	for _, m := range maps {
+		for k, v := range m {
+			result[k] = v
+		}
+	}
+	return result
+}
+
+func (m MixpanelTelemetryTracker) TrackEvent(eventContext EventContext, eventProps map[string]interface{}) {
+	baseProps := map[string]interface{}{
+		"timestamp": time.Now().Unix(),
+		"context":   m.appName,
+		"command":   eventContext.command,
+		"version":   m.version,
+	}
+
+	// Combine our baseline props that we send for _ALL_ events with the passed in props from the event
+	trackProps := mergeMaps(baseProps, eventProps)
+
+	err := m.client.Track(m.clientId, eventContext.eventName, trackProps)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func NewMixPanelTelemetryClient(clientId string, appName string, version string) MixpanelTelemetryTracker {
+	mixpanelClient := mixpanel.New(clientId)
+	return MixpanelTelemetryTracker{client: mixpanelClient, clientId: clientId, appName: appName, version: version}
+}

telemetry/mixpanel_test.go

@@ -0,0 +1 @@
+package telemetry

telemetry/telemetry.go

@@ -0,0 +1,10 @@
+package telemetry
+
+type telemetryTracker interface {
+	TrackEvent()
+}
+
+type EventContext struct {
+	command   string
+	eventName string
+}