telegraf

package module
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 Go to latest Published: Dec 19, 2017 License: MIT Imports: 1 Imported by: 0

README

Telegraf Circle CI Docker pulls

Telegraf is an agent written in Go for collecting, processing, aggregating, and writing metrics.

Design goals are to have a minimal memory footprint with a plugin system so that developers in the community can easily add support for collecting metrics from local or remote services.

Telegraf is plugin-driven and has the concept of 4 distinct plugins:

  1. Input Plugins collect metrics from the system, services, or 3rd party APIs
  2. Processor Plugins transform, decorate, and/or filter metrics
  3. Aggregator Plugins create aggregate metrics (e.g. mean, min, max, quantiles, etc.)
  4. Output Plugins write metrics to various destinations

For more information on Processor and Aggregator plugins please read this.

New plugins are designed to be easy to contribute, we'll eagerly accept pull requests and will manage the set of plugins that Telegraf supports.

Contributing

There are many ways to contribute:

Installation:

You can download the binaries directly from the downloads page or from the releases section.

Ansible Role:

Ansible role: https://github.com/rossmcdonald/telegraf

From Source:

Telegraf requires golang version 1.8+, the Makefile requires GNU make.

Dependencies are managed with gdm, which is installed by the Makefile if you don't have it already.

  1. Install Go
  2. Setup your GOPATH
  3. Run go get -d github.com/influxdata/telegraf
  4. Run cd $GOPATH/src/github.com/influxdata/telegraf
  5. Run make
Nightly Builds

These builds are generated from the master branch:

How to use it:

See usage with:

./telegraf --help
Generate a telegraf config file:
./telegraf config > telegraf.conf
Generate config with only cpu input & influxdb output plugins defined:
./telegraf --input-filter cpu --output-filter influxdb config
Run a single telegraf collection, outputing metrics to stdout:
./telegraf --config telegraf.conf --test
Run telegraf with all plugins defined in config file:
./telegraf --config telegraf.conf
Run telegraf, enabling the cpu & memory input, and influxdb output plugins:
./telegraf --config telegraf.conf --input-filter cpu:mem --output-filter influxdb

Configuration

See the configuration guide for a rundown of the more advanced configuration options.

Input Plugins

Telegraf can also collect metrics via the following service plugins:

Telegraf is able to parse the following input data formats into metrics, these formats may be used with input plugins supporting the data_format option:

Processor Plugins

Aggregator Plugins

Output Plugins

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Accumulator 

type Accumulator interface {
	// AddFields adds a metric to the accumulator with the given measurement
	// name, fields, and tags (and timestamp). If a timestamp is not provided,
	// then the accumulator sets it to "now".
	// Create a point with a value, decorating it with tags
	// NOTE: tags is expected to be owned by the caller, don't mutate
	// it after passing to Add.
	AddFields(measurement string,
		fields map[string]interface{},
		tags map[string]string,
		t ...time.Time)

	// AddGauge is the same as AddFields, but will add the metric as a "Gauge" type
	AddGauge(measurement string,
		fields map[string]interface{},
		tags map[string]string,
		t ...time.Time)

	// AddCounter is the same as AddFields, but will add the metric as a "Counter" type
	AddCounter(measurement string,
		fields map[string]interface{},
		tags map[string]string,
		t ...time.Time)

	// AddSummary is the same as AddFields, but will add the metric as a "Summary" type
	AddSummary(measurement string,
		fields map[string]interface{},
		tags map[string]string,
		t ...time.Time)

	// AddHistogram is the same as AddFields, but will add the metric as a "Histogram" type
	AddHistogram(measurement string,
		fields map[string]interface{},
		tags map[string]string,
		t ...time.Time)

	SetPrecision(precision, interval time.Duration)

	AddError(err error)
}

Accumulator is an interface for "accumulating" metrics from plugin(s). The metrics are sent down a channel shared between all plugins.

type Aggregator 

type Aggregator interface {
	// SampleConfig returns the default configuration of the Input.
	SampleConfig() string

	// Description returns a one-sentence description on the Input.
	Description() string

	// Add the metric to the aggregator.
	Add(in Metric)

	// Push pushes the current aggregates to the accumulator.
	Push(acc Accumulator)

	// Reset resets the aggregators caches and aggregates.
	Reset()
}

Aggregator is an interface for implementing an Aggregator plugin. the RunningAggregator wraps this interface and guarantees that Add, Push, and Reset can not be called concurrently, so locking is not required when implementing an Aggregator plugin.

type Input 

type Input interface {
	// SampleConfig returns the default configuration of the Input
	SampleConfig() string

	// Description returns a one-sentence description on the Input
	Description() string

	// Gather takes in an accumulator and adds the metrics that the Input
	// gathers. This is called every "interval"
	Gather(Accumulator) error
}

type Metric 

type Metric interface {
	// Serialize serializes the metric into a line-protocol byte buffer,
	// including a newline at the end.
	Serialize() []byte
	// same as Serialize, but avoids an allocation.
	// returns number of bytes copied into dst.
	SerializeTo(dst []byte) int
	// String is the same as Serialize, but returns a string.
	String() string
	// Copy deep-copies the metric.
	Copy() Metric
	// Split will attempt to return multiple metrics with the same timestamp
	// whose string representations are no longer than maxSize.
	// Metrics with a single field may exceed the requested size.
	Split(maxSize int) []Metric

	// Tag functions
	HasTag(key string) bool
	AddTag(key, value string)
	RemoveTag(key string)

	// Field functions
	HasField(key string) bool
	AddField(key string, value interface{})
	RemoveField(key string) error

	// Name functions
	SetName(name string)
	SetPrefix(prefix string)
	SetSuffix(suffix string)

	// Getting data structure functions
	Name() string
	Tags() map[string]string
	Fields() map[string]interface{}
	Time() time.Time
	UnixNano() int64
	Type() ValueType
	Len() int // returns the length of the serialized metric, including newline
	HashID() uint64

	// aggregator things:
	SetAggregate(bool)
	IsAggregate() bool
}

type Output 

type Output interface {
	// Connect to the Output
	Connect() error
	// Close any connections to the Output
	Close() error
	// Description returns a one-sentence description on the Output
	Description() string
	// SampleConfig returns the default configuration of the Output
	SampleConfig() string
	// Write takes in group of points to be written to the Output
	Write(metrics []Metric) error
}

type Processor 

type Processor interface {
	// SampleConfig returns the default configuration of the Input
	SampleConfig() string

	// Description returns a one-sentence description on the Input
	Description() string

	// Apply the filter to the given metric
	Apply(in ...Metric) []Metric
}

type ServiceInput 

type ServiceInput interface {
	// SampleConfig returns the default configuration of the Input
	SampleConfig() string

	// Description returns a one-sentence description on the Input
	Description() string

	// Gather takes in an accumulator and adds the metrics that the Input
	// gathers. This is called every "interval"
	Gather(Accumulator) error

	// Start starts the ServiceInput's service, whatever that may be
	Start(Accumulator) error

	// Stop stops the services and closes any necessary channels and connections
	Stop()
}

type ServiceOutput 

type ServiceOutput interface {
	// Connect to the Output
	Connect() error
	// Close any connections to the Output
	Close() error
	// Description returns a one-sentence description on the Output
	Description() string
	// SampleConfig returns the default configuration of the Output
	SampleConfig() string
	// Write takes in group of points to be written to the Output
	Write(metrics []Metric) error
	// Start the "service" that will provide an Output
	Start() error
	// Stop the "service" that will provide an Output
	Stop()
}

type ValueType 

type ValueType int

ValueType is an enumeration of metric types that represent a simple value. 

const (
	Counter ValueType
	Gauge
	Untyped
	Summary
	Histogram
)

Possible values for the ValueType enum.

Source Files

View all Source files

Directories

Path Synopsis
cmd
telegraf
buffer
config
config/aws
globpath
limiter
models
plugins
aggregators
aggregators/all
aggregators/basicstats
aggregators/histogram
aggregators/minmax
inputs
inputs/aerospike
inputs/all
inputs/amqp_consumer
inputs/apache
inputs/bcache
inputs/bond
inputs/cassandra
inputs/ceph
inputs/cgroup
inputs/chrony
inputs/cloudwatch
inputs/conntrack
inputs/consul
inputs/couchbase
inputs/couchdb
inputs/dcos
inputs/disque
inputs/dmcache
inputs/dns_query
inputs/docker
Helper functions copied from https://github.com/docker/cli/blob/master/cli/command/container/stats_helpers.go
 Helper functions copied from https://github.com/docker/cli/blob/master/cli/command/container/stats_helpers.go
inputs/dovecot
inputs/elasticsearch
inputs/exec
inputs/fail2ban
inputs/filestat
inputs/fluentd
inputs/graylog
inputs/haproxy
inputs/hddtemp
inputs/hddtemp/go-hddtemp
inputs/http_listener
inputs/http_response
inputs/httpjson
inputs/influxdb
inputs/internal
inputs/interrupts
inputs/ipmi_sensor
inputs/iptables
inputs/jolokia
inputs/jolokia2
inputs/kafka_consumer
inputs/kafka_consumer_legacy
inputs/kapacitor
inputs/kubernetes
inputs/leofs
inputs/logparser
inputs/logparser/grok
inputs/lustre2
Lustre 2.x telegraf plugin
 Lustre 2.x telegraf plugin
inputs/mailchimp
inputs/memcached
inputs/mesos
inputs/minecraft
inputs/minecraft/internal/rcon
Package rcon implements the communication protocol for communicating with RCON servers.
 Package rcon implements the communication protocol for communicating with RCON servers.
inputs/mongodb
inputs/mqtt_consumer
inputs/mysql
inputs/nats_consumer
inputs/net_response
inputs/nginx
inputs/nginx_plus
inputs/nsq
inputs/nsq_consumer
inputs/nstat
inputs/ntpq
inputs/openldap
inputs/opensmtpd
inputs/passenger
inputs/pf
inputs/phpfpm
Package fcgi implements the FastCGI protocol.
 Package fcgi implements the FastCGI protocol.
inputs/ping
inputs/postfix
inputs/postgresql
inputs/postgresql_extensible
inputs/powerdns
inputs/procstat
inputs/prometheus
inputs/puppetagent
inputs/rabbitmq
inputs/raindrops
inputs/redis
inputs/rethinkdb
inputs/riak
inputs/salesforce
inputs/sensors
inputs/smart
inputs/snmp
inputs/snmp_legacy
inputs/socket_listener
inputs/solr
inputs/sqlserver
inputs/statsd
inputs/sysstat
inputs/system
inputs/tail
inputs/tcp_listener
inputs/teamspeak
inputs/tomcat
inputs/trig
inputs/twemproxy
inputs/udp_listener
inputs/unbound
inputs/varnish
inputs/webhooks
inputs/webhooks/filestack
inputs/webhooks/github
inputs/webhooks/mandrill
inputs/webhooks/papertrail
inputs/webhooks/particle
inputs/webhooks/rollbar
inputs/win_perf_counters
inputs/win_services
inputs/zfs
inputs/zipkin
inputs/zipkin/cmd/stress_test_write
inputs/zipkin/cmd/thrift_serialize
A small cli utility meant to convert json to zipkin thrift binary format, and vice versa.
 A small cli utility meant to convert json to zipkin thrift binary format, and vice versa.
inputs/zipkin/codec
inputs/zipkin/codec/jsonV1
inputs/zipkin/codec/thrift
inputs/zipkin/trace
inputs/zookeeper
outputs
outputs/all
outputs/amon
outputs/amqp
outputs/cloudwatch
outputs/cratedb
outputs/datadog
outputs/discard
outputs/elasticsearch
outputs/file
outputs/graphite
outputs/graylog
outputs/influxdb
outputs/influxdb/client
outputs/instrumental
outputs/kafka
outputs/kinesis
outputs/librato
outputs/mqtt
outputs/nats
outputs/nsq
outputs/opentsdb
outputs/prometheus_client
outputs/riemann
outputs/riemann_legacy
outputs/socket_writer
outputs/wavefront
parsers
parsers/collectd
parsers/graphite
parsers/influx
parsers/json
parsers/nagios
parsers/value
processors
processors/all
processors/printer
serializers
serializers/graphite
serializers/influx
serializers/json
selfstat is a package for tracking and collecting internal statistics about telegraf.
 selfstat is a package for tracking and collecting internal statistics about telegraf.

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