Output: Azure Monitor: Initial aggregated metric implementation

.gitignore

@@ -2,6 +2,3 @@
 /telegraf
 /telegraf.exe
 /telegraf.gz
-*~
-*#
-*.tar.gz

Godeps

@@ -1,6 +1,7 @@
 code.cloudfoundry.org/clock e9dc86bbf0e5bbe6bf7ff5a6f71e048959b61f71
 collectd.org 2ce144541b8903101fb8f1483cc0497a68798122
 github.com/aerospike/aerospike-client-go 9701404f4c60a6ea256595d24bf318f721a7e8b8
+github.com/Azure/go-autorest 9ad9326b278af8fa5cc67c30c0ce9a58cc0862b2
 github.com/amir/raidman c74861fe6a7bb8ede0a010ce4485bdbb4fc4c985
 github.com/apache/thrift 4aaa92ece8503a6da9bc6701604f69acf2b99d07
 github.com/aws/aws-sdk-go c861d27d0304a79f727e9a8a4e2ac1e74602fdc0
@@ -19,6 +20,7 @@ github.com/eapache/go-xerial-snappy bb955e01b9346ac19dc29eb16586c90ded99a98c
 github.com/eapache/queue 44cc805cf13205b55f69e14bcb69867d1ae92f98
 github.com/eclipse/paho.mqtt.golang aff15770515e3c57fc6109da73d42b0d46f7f483
 github.com/go-logfmt/logfmt 390ab7935ee28ec6b286364bba9b4dd6410cb3d5
+github.com/go-redis/redis 73b70592cdaa9e6abdfcfbf97b4a90d80728c836
 github.com/go-sql-driver/mysql 2e00b5cd70399450106cec6431c2e2ce3cae5034
 github.com/gobwas/glob bea32b9cd2d6f55753d94a28e959b13f0244797a
 github.com/go-ini/ini 9144852efba7c4daf409943ee90767da62d55438

build-azmon.sh

@@ -1,13 +0,0 @@
-#!/bin/bash
-
-TELEGRAF_VERSION=1.5.3-azmon
-CONTAINER_URI=https://masdiagstore.blob.core.windows.net/share/
-
-make
-
-tar -cvfz telegraf-${TELEGRAF_VERSION}-l_amd64.tar.gz ./telegraf
-
-azcopy \
-    --source ./telegraf-${TELEGRAF_VERSION}-l_amd64.tar.gz \
-    --destination $CONTAINER_URL/telegraf-${TELEGRAF_VERSION}-l_amd64.tar.gz \
-    --dest-key $AZURE_STORAGE_KEY

plugins/outputs/all/all.go

@@ -4,6 +4,7 @@ import (
 	_ "github.com/influxdata/telegraf/plugins/outputs/amon"
 	_ "github.com/influxdata/telegraf/plugins/outputs/amqp"
 	_ "github.com/influxdata/telegraf/plugins/outputs/application_insights"
+	_ "github.com/influxdata/telegraf/plugins/outputs/azuremonitor"
 	_ "github.com/influxdata/telegraf/plugins/outputs/cloudwatch"
 	_ "github.com/influxdata/telegraf/plugins/outputs/cratedb"
 	_ "github.com/influxdata/telegraf/plugins/outputs/datadog"

plugins/outputs/azuremonitor/azuremonitor.go

@@ -13,8 +13,8 @@ import (
 
 	"github.com/Azure/go-autorest/autorest/adal"
 	"github.com/Azure/go-autorest/autorest/azure"
-	"github.com/davecgh/go-spew/spew"
 	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/plugins/outputs"
 )
 
 // AzureMonitor allows publishing of metrics to the Azure Monitor custom metrics service
@@ -37,6 +37,41 @@ type AzureMonitor struct {
 
 	oauthConfig *adal.OAuthConfig
 	adalToken   adal.OAuthTokenProvider
+
+	client *http.Client
+
+	cache       map[uint64]azureMonitorMetric
+	period      time.Duration
+	delay       time.Duration
+	periodStart time.Time
+	periodEnd   time.Time
+
+	metrics  chan telegraf.Metric
+	shutdown chan struct{}
+}
+
+type azureMonitorMetric struct {
+	Time time.Time         `json:"time"`
+	Data *azureMonitorData `json:"data"`
+}
+
+type azureMonitorData struct {
+	BaseData *azureMonitorBaseData `json:"baseData"`
+}
+
+type azureMonitorBaseData struct {
+	Metric         string                `json:"metric"`
+	Namespace      string                `json:"namespace"`
+	DimensionNames []string              `json:"dimNames"`
+	Series         []*azureMonitorSeries `json:"series"`
+}
+
+type azureMonitorSeries struct {
+	DimensionValues []string `json:"dimValues"`
+	Min             float64  `json:"min"`
+	Max             float64  `json:"max"`
+	Sum             float64  `json:"sum"`
+	Count           float64  `json:"count"`
 }
 
 var sampleConfig = `
@@ -51,6 +86,8 @@ region = "useast"
 httpPostTimeout = 15
 ## Whether or not to use managed service identity (defaults to true).
 useManagedServiceIdentity = true
+
+## Leave this section blank to use Managed Service Identity.
 ## TODO
 azureSubscription = "TODO"
 ## TODO 
@@ -65,245 +102,311 @@ const (
 	azureMonitorDefaultRegion = "eastus"
 )
 
-// Description provides a description of the plugin
-func (s *AzureMonitor) Description() string {
-	return "Configuration for Azure Monitor to send metrics to"
-}
-
-// SampleConfig provides a sample configuration for the plugin
-func (s *AzureMonitor) SampleConfig() string {
-	return sampleConfig
-}
-
 // Connect initializes the plugin and validates connectivity
-func (s *AzureMonitor) Connect() error {
+func (a *AzureMonitor) Connect() error {
 	// Set defaults
 
 	// If no direct AD values provided, fall back to MSI
-	if s.AzureSubscriptionID == "" && s.AzureTenantID == "" && s.AzureClientID == "" && s.AzureClientSecret == "" {
+	if a.AzureSubscriptionID == "" && a.AzureTenantID == "" && a.AzureClientID == "" && a.AzureClientSecret == "" {
-		s.useMsi = true
+		a.useMsi = true
-	} else if s.AzureSubscriptionID == "" || s.AzureTenantID == "" || s.AzureClientID == "" || s.AzureClientSecret == "" {
+	} else if a.AzureSubscriptionID == "" || a.AzureTenantID == "" || a.AzureClientID == "" || a.AzureClientSecret == "" {
 		return fmt.Errorf("Must provide values for azureSubscription, azureTenant, azureClient and azureClientSecret, or leave all blank to default to MSI")
 	}
 
-	if s.useMsi == false {
+	if a.useMsi == false {
 		// If using direct AD authentication create the AD access client
-		oauthConfig, err := adal.NewOAuthConfig(azure.PublicCloud.ActiveDirectoryEndpoint, s.AzureTenantID)
+		oauthConfig, err := adal.NewOAuthConfig(azure.PublicCloud.ActiveDirectoryEndpoint, a.AzureTenantID)
 		if err != nil {
 			return fmt.Errorf("Could not initialize AD client: %s", err)
 		}
-		s.oauthConfig = oauthConfig
+		a.oauthConfig = oauthConfig
 
 	}
 
-	if s.HTTPPostTimeout == 0 {
+	if a.HTTPPostTimeout == 0 {
-		s.HTTPPostTimeout = 10
+		a.HTTPPostTimeout = 10
 	}
 
-	s.metadataService = &AzureInstanceMetadata{}
+	a.metadataService = &AzureInstanceMetadata{}
 
 	// For the metrics API the MSI resource has to be https://ingestion.monitor.azure.com
-	s.msiResource = "https://ingestion.monitor.azure.com/"
+	a.msiResource = "https://monitoring.azure.com/"
 
 	// Validate the resource identifier
-	if s.ResourceID == "" {
+	if a.ResourceID == "" {
-		metadata, err := s.metadataService.GetInstanceMetadata()
+		metadata, err := a.metadataService.GetInstanceMetadata()
 		if err != nil {
 			return fmt.Errorf("No resource id specified, and Azure Instance metadata service not available.  If not running on an Azure VM, provide a value for resourceId")
 		}
-		s.ResourceID = metadata.AzureResourceID
+		a.ResourceID = metadata.AzureResourceID
 
-		if s.Region == "" {
+		if a.Region == "" {
-			s.Region = metadata.Compute.Location
+			a.Region = metadata.Compute.Location
 		}
 	}
 
-	if s.Region == "" {
+	if a.Region == "" {
-		s.Region = azureMonitorDefaultRegion
+		a.Region = azureMonitorDefaultRegion
 	}
 
 	// Validate credentials
-	err := s.validateCredentials()
+	err := a.validateCredentials()
 	if err != nil {
 		return err
 	}
 
+	a.reset()
+	go a.run()
+
 	return nil
 }
 
+// Description provides a description of the plugin
+func (a *AzureMonitor) Description() string {
+	return "Configuration for sending aggregate metrics to Azure Monitor"
+}
+
+// SampleConfig provides a sample configuration for the plugin
+func (a *AzureMonitor) SampleConfig() string {
+	return sampleConfig
+}
+
 // Close shuts down an any active connections
-func (s *AzureMonitor) Close() error {
+func (a *AzureMonitor) Close() error {
 	// Close connection to the URL here
+	close(a.shutdown)
 	return nil
 }
 
 // Write writes metrics to the remote endpoint
-func (s *AzureMonitor) Write(metrics []telegraf.Metric) error {
+func (a *AzureMonitor) Write(metrics []telegraf.Metric) error {
-	// Flatten metrics into an Azure Monitor common schema compatible format
+	log.Printf("metrics collected: %+v", metrics)
-	metricsList, err := s.flattenMetrics(metrics)
-	if err != nil {
-		log.Printf("Error translating metrics %s", err)
-		return err
-	}
 
-	for _, v := range metricsList {
+	// Assemble stats on incoming metrics
-		jsonBytes, err := json.Marshal(&v)
+	for _, metric := range metrics {
-		_, err = s.postData(&jsonBytes)
+		select {
-		if err != nil {
+		case a.metrics <- metric:
-			log.Printf("Error publishing metrics %s", err)
+		default:
-			return err
+			log.Printf("metrics buffer is full")
 		}
 	}
 
 	return nil
 }
 
-func (s *AzureMonitor) validateCredentials() error {
+func (a *AzureMonitor) validateCredentials() error {
 	// Use managed service identity
-	if s.useMsi {
+	if a.useMsi {
 		// Check expiry on the token
-		if s.msiToken != nil {
+		if a.msiToken != nil {
-			expiryDuration := s.msiToken.ExpiresInDuration()
+			expiryDuration := a.msiToken.ExpiresInDuration()
-			if expiryDuration > s.expiryWatermark {
+			if expiryDuration > a.expiryWatermark {
 				return nil
 			}
 
 			// Token is about to expire
 			log.Printf("Bearer token expiring in %s; acquiring new token\n", expiryDuration.String())
-			s.msiToken = nil
+			a.msiToken = nil
 		}
 
 		// No token, acquire an MSI token
-		if s.msiToken == nil {
+		if a.msiToken == nil {
-			msiToken, err := s.metadataService.GetMsiToken(s.AzureClientID, s.msiResource)
+			msiToken, err := a.metadataService.GetMsiToken(a.AzureClientID, a.msiResource)
 			if err != nil {
 				return err
 			}
 			log.Printf("Bearer token acquired; expiring in %s\n", msiToken.ExpiresInDuration().String())
-			s.msiToken = msiToken
+			a.msiToken = msiToken
-			s.bearerToken = msiToken.AccessToken
+			a.bearerToken = msiToken.AccessToken
 		}
 		// Otherwise directory acquire a token
 	} else {
 		adToken, err := adal.NewServicePrincipalToken(
-			*(s.oauthConfig), s.AzureClientID, s.AzureClientSecret,
+			*(a.oauthConfig), a.AzureClientID, a.AzureClientSecret,
 			azure.PublicCloud.ActiveDirectoryEndpoint)
 		if err != nil {
 			return fmt.Errorf("Could not acquire ADAL token: %s", err)
 		}
-		s.adalToken = adToken
+		a.adalToken = adToken
 	}
 
 	return nil
 }
 
-type azureMonitorMetric struct {
+func (a *AzureMonitor) add(metric telegraf.Metric) {
-	Time time.Time        `json:"time"`
+	id := metric.HashID()
-	Data azureMonitorData `json:"data"`
+	if azm, ok := a.cache[id]; !ok {
-}
+		// hit an uncached metric, create caches for first time:
-
-type azureMonitorData struct {
-	BaseData azureMonitorBaseData `json:"baseData"`
-}
-
-type azureMonitorBaseData struct {
-	Metric         string               `json:"metric"`
-	Namespace      string               `json:"namespace"`
-	DimensionNames []string             `json:"dimNames"`
-	Series         []azureMonitorSeries `json:"series"`
-}
-
-type azureMonitorSeries struct {
-	DimensionValues []string `json:"dimValues"`
-	Min             int64    `json:"min"`
-	Max             int64    `json:"max"`
-	Sum             int64    `json:"sum"`
-	Count           int64    `json:"count"`
-}
-
-func (s *AzureMonitor) flattenMetrics(metrics []telegraf.Metric) ([]azureMonitorMetric, error) {
-	var azureMetrics []azureMonitorMetric
-	for _, metric := range metrics {
-
-		// Get the list of custom dimensions (elevated tags and fields)
 		var dimensionNames []string
 		var dimensionValues []string
-		for name, value := range metric.Fields() {
+		for i, tag := range metric.TagList() {
-			dimensionNames = append(dimensionNames, name)
+			// Azure custom metrics service supports up to 10 dimensions
-			dimensionValues = append(dimensionValues, s.formatField(value))
+			if i > 9 {
+				continue
+			}
+			dimensionNames = append(dimensionNames, tag.Key)
+			dimensionValues = append(dimensionValues, tag.Value)
+		}
+		// Field keys are stored as the last dimension
+		dimensionNames = append(dimensionNames, "field")
+
+		var seriesList []*azureMonitorSeries
+		// Store each field as a separate series with field key as a new dimension
+		for _, field := range metric.FieldList() {
+			azmseries := newAzureMonitorSeries(field, dimensionValues)
+			seriesList = append(seriesList, azmseries)
 		}
 
-		series := azureMonitorSeries{
+		if len(seriesList) < 1 {
-			DimensionValues: dimensionValues,
+			log.Printf("no valid fields for metric: %s", metric)
+			return
 		}
 
-		if v, ok := metric.Fields()["min"]; ok {
+		a.cache[id] = azureMonitorMetric{
-			series.Min = s.formatInt(v)
-		}
-
-		if v, ok := metric.Fields()["max"]; ok {
-			series.Max = s.formatInt(v)
-		}
-
-		if v, ok := metric.Fields()["sum"]; ok {
-			series.Sum = s.formatInt(v)
-		}
-
-		if v, ok := metric.Fields()["count"]; ok {
-			series.Count = s.formatInt(v)
-		} else {
-			// Azure Monitor requires count >= 1
-			series.Count = 1
-		}
-
-		azureMetric := azureMonitorMetric{
 			Time: metric.Time(),
-			Data: azureMonitorData{
+			Data: &azureMonitorData{
-				BaseData: azureMonitorBaseData{
+				BaseData: &azureMonitorBaseData{
 					Metric:         metric.Name(),
 					Namespace:      "default",
 					DimensionNames: dimensionNames,
-					Series:         []azureMonitorSeries{series},
+					Series:         seriesList,
 				},
 			},
 		}
+	} else {
+		for _, f := range metric.FieldList() {
+			fv, ok := convert(f.Value)
+			if !ok {
+				continue
+			}
 
-		azureMetrics = append(azureMetrics, azureMetric)
+			tmp, ok := azm.findSeriesWithField(f.Key)
+			if !ok {
+				// hit an uncached field of a cached metric
+				var dimensionValues []string
+				for i, tag := range metric.TagList() {
+					// Azure custom metrics service supports up to 10 dimensions
+					if i > 9 {
+						continue
+					}
+					dimensionValues = append(dimensionValues, tag.Value)
+				}
+				azm.Data.BaseData.Series = append(azm.Data.BaseData.Series, newAzureMonitorSeries(f, dimensionValues))
+				continue
+			}
+
+			//counter compute
+			n := tmp.Count + 1
+			tmp.Count = n
+			//max/min compute
+			if fv < tmp.Min {
+				tmp.Min = fv
+			} else if fv > tmp.Max {
+				tmp.Max = fv
+			}
+			//sum compute
+			tmp.Sum += fv
+			//store final data
+			a.cache[id].Data.BaseData.Series = append(a.cache[id].Data.BaseData.Series, tmp)
+		}
 	}
-	return azureMetrics, nil
 }
 
-func (s *AzureMonitor) formatInt(value interface{}) int64 {
+func (b *azureMonitorMetric) findSeriesWithField(f string) (*azureMonitorSeries, bool) {
-	return 0
+	if len(b.Data.BaseData.Series) > 0 {
+		for _, s := range b.Data.BaseData.Series {
+			if f == s.DimensionValues[len(s.DimensionValues)-1] {
+				return s, true
+			}
+		}
+	}
+	return nil, false
 }
 
-func (s *AzureMonitor) formatField(value interface{}) string {
+func newAzureMonitorSeries(f *telegraf.Field, dv []string) *azureMonitorSeries {
-	var ret string
+	fv, ok := convert(f.Value)
+	if !ok {
+		log.Printf("unable to convert field %s (type %T) to float type: %v", f.Key, fv, fv)
+		return nil
+	}
+	return &azureMonitorSeries{
+		DimensionValues: append(append([]string{}, dv...), f.Key),
+		Min:             fv,
+		Max:             fv,
+		Sum:             fv,
+		Count:           1,
+	}
+}
 
-	switch v := value.(type) {
+func (a *AzureMonitor) reset() {
+	a.cache = make(map[uint64]azureMonitorMetric)
+}
+
+func convert(in interface{}) (float64, bool) {
+	switch v := in.(type) {
 	case int:
-		ret = strconv.FormatInt(int64(value.(int)), 10)
+		return float64(v), true
 	case int8:
-		ret = strconv.FormatInt(int64(value.(int8)), 10)
+		return float64(v), true
 	case int16:
-		ret = strconv.FormatInt(int64(value.(int16)), 10)
+		return float64(v), true
 	case int32:
-		ret = strconv.FormatInt(int64(value.(int32)), 10)
+		return float64(v), true
 	case int64:
-		ret = strconv.FormatInt(value.(int64), 10)
+		return float64(v), true
+	case uint:
+		return float64(v), true
+	case uint8:
+		return float64(v), true
+	case uint16:
+		return float64(v), true
+	case uint32:
+		return float64(v), true
+	case uint64:
+		return float64(v), true
 	case float32:
-		ret = strconv.FormatFloat(float64(value.(float32)), 'f', -1, 64)
+		return float64(v), true
 	case float64:
-		ret = strconv.FormatFloat(value.(float64), 'f', -1, 64)
+		return v, true
+	case string:
+		f, err := strconv.ParseFloat(v, 64)
+		if err != nil {
+			log.Printf("converted string: %s to %v", v, f)
+			return 0, false
+		}
+		return f, true
 	default:
-		spew.Printf("field is of unsupported value type %v\n", v)
+		log.Printf("did not convert %T: %s", v, v)
+		return 0, false
 	}
-	return ret
 }
 
-func (s *AzureMonitor) postData(msg *[]byte) (*http.Request, error) {
+func (a *AzureMonitor) push() {
+	var body []byte
+	for _, metric := range a.cache {
+		jsonBytes, err := json.Marshal(&metric)
+		log.Printf("marshalled point %s", jsonBytes)
+		if err != nil {
+			log.Printf("Error marshalling metrics %s", err)
+			return
+		}
+		body = append(body, jsonBytes...)
+		body = append(body, '\n')
+	}
+
+	log.Printf("Publishing metrics %s", body)
+	_, err := a.postData(&body)
+	if err != nil {
+		log.Printf("Error publishing metrics %s", err)
+		return
+	}
+
+	return
+}
+
+func (a *AzureMonitor) postData(msg *[]byte) (*http.Request, error) {
 	metricsEndpoint := fmt.Sprintf("https://%s.monitoring.azure.com%s/metrics",
-		s.Region, s.ResourceID)
+		a.Region, a.ResourceID)
 
 	req, err := http.NewRequest("POST", metricsEndpoint, bytes.NewBuffer(*msg))
 	if err != nil {
@@ -311,8 +414,8 @@ func (s *AzureMonitor) postData(msg *[]byte) (*http.Request, error) {
 		return nil, err
 	}
 
-	req.Header.Set("Authorization", "Bearer "+s.bearerToken)
+	req.Header.Set("Authorization", "Bearer "+a.bearerToken)
-	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Content-Type", "application/x-ndjson")
 
 	tr := &http.Transport{
 		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
@@ -341,3 +444,64 @@ func (s *AzureMonitor) postData(msg *[]byte) (*http.Request, error) {
 	}
 	return req, nil
 }
+
+func (a *AzureMonitor) run() {
+	// The start of the period is truncated to the nearest minute.
+	//
+	// Every metric then gets it's timestamp checked and is dropped if it
+	// is not within:
+	//
+	//   start < t < end + truncation + delay
+	//
+	// So if we start at now = 00:00.2 with a 10s period and 0.3s delay:
+	//   now = 00:00.2
+	//   start = 00:00
+	//   truncation = 00:00.2
+	//   end = 00:10
+	// 1st interval: 00:00 - 00:10.5
+	// 2nd interval: 00:10 - 00:20.5
+	// etc.
+	//
+	now := time.Now()
+	a.periodStart = now.Truncate(time.Minute)
+	truncation := now.Sub(a.periodStart)
+	a.periodEnd = a.periodStart.Add(a.period)
+	time.Sleep(a.delay)
+	periodT := time.NewTicker(a.period)
+	defer periodT.Stop()
+
+	for {
+		select {
+		case <-a.shutdown:
+			if len(a.metrics) > 0 {
+				// wait until metrics are flushed before exiting
+				continue
+			}
+			return
+		case m := <-a.metrics:
+			if m.Time().Before(a.periodStart) ||
+				m.Time().After(a.periodEnd.Add(truncation).Add(a.delay)) {
+				// the metric is outside the current aggregation period, so
+				// skip it.
+				continue
+			}
+			a.add(m)
+		case <-periodT.C:
+			a.periodStart = a.periodEnd
+			a.periodEnd = a.periodStart.Add(a.period)
+			a.push()
+			a.reset()
+		}
+	}
+}
+
+func init() {
+	outputs.Add("azuremonitor", func() telegraf.Output {
+		return &AzureMonitor{
+			period:   time.Minute,
+			delay:    time.Second * 5,
+			metrics:  make(chan telegraf.Metric, 100),
+			shutdown: make(chan struct{}),
+		}
+	})
+}

plugins/outputs/azuremonitor/azuremonitor_test.go

@@ -68,9 +68,12 @@ func TestPostData(t *testing.T) {
 
 	metrics := getMockMetrics()
 	t.Logf("mock metrics are %+v\n", metrics)
-	metricsList, err := azmon.flattenMetrics(metrics)
+	// metricsList, err := azmon.add(&metrics[0])
+	for _, m := range metrics {
+		azmon.add(m)
+	}
 
-	jsonBytes, err := json.Marshal(&metricsList[0])
+	jsonBytes, err := json.Marshal(azmon.cache)
 	t.Logf("json content is:\n----------\n%s\n----------\n", string(jsonBytes))
 
 	req, err := azmon.postData(&jsonBytes)

test.conf

@@ -1,93 +0,0 @@
-# Telegraf Configuration
-
-# Global tags can be specified here in key="value" format.
-[global_tags]
-  # dc = "us-east-1" # will tag all metrics with dc=us-east-1
-  # rack = "1a"
-  ## Environment variables can be used as tags, and throughout the config file
-  # user = "$USER"
-
-# Configuration for telegraf agent
-[agent]
-  interval = "10s"
-  round_interval = true
-  metric_batch_size = 1000
-  metric_buffer_limit = 10000
-  collection_jitter = "0s"
-  flush_jitter = "0s"
-  precision = ""
-  debug = false
-  quiet = false
-  logfile = ""
-  hostname = ""
-  omit_hostname = false
-
-# Configuration for Azure Log Analytics to send metrics 
-[[outputs.loganalytics]]
-workspace   = "$OMS_WORKSPACE"
-sharedKey   = "$OMS_KEY"
-logname     = "metrics"
-includeTags = ["host", "dc"]
-
-###############################################################################
-#                            INPUT PLUGINS                                    #
-###############################################################################
-
-# # Influx HTTP write listener
-[[inputs.http_listener]]
-  ## Address and port to host HTTP listener on
-  service_address = ":8186"
-
-  ## timeouts
-  read_timeout = "10s"
-  write_timeout = "10s"
-
-# Read metrics about cpu usage
-[[inputs.cpu]]
-  ## Whether to report per-cpu stats or not
-  percpu = false
-  ## Whether to report total system cpu stats or not
-  totalcpu = true
-  ## If true, collect raw CPU time metrics.
-  collect_cpu_time = false
-  ## If true, compute and report the sum of all non-idle CPU states.
-  report_active = false
-
-# # Read metrics exposed by fluentd in_monitor plugin
-# [[inputs.fluentd]]
-#   ## This plugin reads information exposed by fluentd (using /api/plugins.json endpoint).
-#   ##
-#   ## Endpoint:
-#   ## - only one URI is allowed
-#   ## - https is not supported
-#   endpoint = "http://localhost:24220/api/plugins.json"
-#
-#   ## Define which plugins have to be excluded (based on "type" field - e.g. monitor_agent)
-#   exclude = [
-# 	  "monitor_agent",
-# 	  "dummy",
-#   ]
-
-     
-# # Read InfluxDB-formatted JSON metrics from one or more HTTP endpoints
-# [[inputs.influxdb]]
-#   ## Works with InfluxDB debug endpoints out of the box,
-#   ## but other services can use this format too.
-#   ## See the influxdb plugin's README for more details.
-#
-#   ## Multiple URLs from which to read InfluxDB-formatted JSON
-#   ## Default is "http://localhost:8086/debug/vars".
-#   urls = [
-#     "http://localhost:8086/debug/vars"
-#   ]
-#
-#   ## Optional SSL Config
-#   # ssl_ca = "/etc/telegraf/ca.pem"
-#   # ssl_cert = "/etc/telegraf/cert.pem"
-#   # ssl_key = "/etc/telegraf/key.pem"
-#   ## Use SSL but skip chain & host verification
-#   # insecure_skip_verify = false
-#
-#   ## http request & header timeout
-#   timeout = "5s"
-