PLT-4357 adding performance monitoring (#4622)

* WIP

* WIP

* Adding metrics collection

* updating vendor packages

* Adding metrics to config

* Adding admin console page for perf monitoring

* Updating glide

* switching to tylerb/graceful

model/config.go

@@ -98,6 +98,11 @@ type ClusterSettings struct {
 	InterNodeUrls          []string
 }
 
+type MetricsSettings struct {
+	Enable        *bool
+	ListenAddress *string
+}
+
 type SSOSettings struct {
 	Enable          bool
 	Secret          string
@@ -330,6 +335,7 @@ type Config struct {
 	SamlSettings         SamlSettings
 	NativeAppSettings    NativeAppSettings
 	ClusterSettings      ClusterSettings
+	MetricsSettings      MetricsSettings
 	WebrtcSettings       WebrtcSettings
 }
 
@@ -772,6 +778,16 @@ func (o *Config) SetDefaults() {
 		o.ClusterSettings.InterNodeUrls = []string{}
 	}
 
+	if o.MetricsSettings.ListenAddress == nil {
+		o.MetricsSettings.ListenAddress = new(string)
+		*o.MetricsSettings.ListenAddress = ":8067"
+	}
+
+	if o.MetricsSettings.Enable == nil {
+		o.MetricsSettings.Enable = new(bool)
+		*o.MetricsSettings.Enable = false
+	}
+
 	if o.ComplianceSettings.Enable == nil {
 		o.ComplianceSettings.Enable = new(bool)
 		*o.ComplianceSettings.Enable = false

model/license.go

@@ -39,6 +39,7 @@ type Features struct {
 	Office365OAuth       *bool `json:"office365_oauth"`
 	Compliance           *bool `json:"compliance"`
 	Cluster              *bool `json:"cluster"`
+	Metrics              *bool `json:"metrics"`
 	CustomBrand          *bool `json:"custom_brand"`
 	MHPNS                *bool `json:"mhpns"`
 	SAML                 *bool `json:"saml"`
@@ -55,6 +56,7 @@ func (f *Features) ToMap() map[string]interface{} {
 		"office365":    *f.Office365OAuth,
 		"compliance":   *f.Compliance,
 		"cluster":      *f.Cluster,
+		"metrics":      *f.Metrics,
 		"custom_brand": *f.CustomBrand,
 		"mhpns":        *f.MHPNS,
 		"saml":         *f.SAML,
@@ -104,6 +106,11 @@ func (f *Features) SetDefaults() {
 		*f.Cluster = *f.FutureFeatures
 	}
 
+	if f.Metrics == nil {
+		f.Metrics = new(bool)
+		*f.Metrics = *f.FutureFeatures
+	}
+
 	if f.CustomBrand == nil {
 		f.CustomBrand = new(bool)
 		*f.CustomBrand = *f.FutureFeatures

model/websocket_message.go

@@ -34,6 +34,7 @@ type WebSocketMessage interface {
 	IsValid() bool
 	DoPreComputeJson()
 	GetPreComputeJson() []byte
+	EventType() string
 }
 
 type WebsocketBroadcast struct {
@@ -63,6 +64,10 @@ func (o *WebSocketEvent) IsValid() bool {
 	return o.Event != ""
 }
 
+func (o *WebSocketEvent) EventType() string {
+	return o.Event
+}
+
 func (o *WebSocketEvent) DoPreComputeJson() {
 	b, err := json.Marshal(o)
 	if err != nil {
@@ -120,6 +125,10 @@ func (o *WebSocketResponse) IsValid() bool {
 	return o.Status != ""
 }
 
+func (o *WebSocketResponse) EventType() string {
+	return ""
+}
+
 func (o *WebSocketResponse) ToJson() string {
 	b, err := json.Marshal(o)
 	if err != nil {