stackdriver

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Published: May 1, 2019 License: MIT Imports: 21 Imported by: 0

README

Stackdriver Input Plugin

Stackdriver gathers metrics from the Stackdriver Monitoring API.

This plugin accesses APIs which are chargeable; you might incur costs.

Configuration
[[inputs.stackdriver]]
  ## GCP Project
  project = "erudite-bloom-151019"

  ## Include timeseries that start with the given metric type.
  metric_type_prefix_include = [
    "compute.googleapis.com/",
  ]

  ## Exclude timeseries that start with the given metric type.
  # metric_type_prefix_exclude = []

  ## Most metrics are updated no more than once per minute; it is recommended
  ## to override the agent level interval with a value of 1m or greater.
  interval = "1m"

  ## Maximum number of API calls to make per second.  The quota for accounts
  ## varies, it can be viewed on the API dashboard:
  ##   https://cloud.google.com/monitoring/quotas#quotas_and_limits
  # rate_limit = 14

  ## The delay and window options control the number of points selected on
  ## each gather.  When set, metrics are gathered between:
  ##   start: now() - delay - window
  ##   end:   now() - delay
  #
  ## Collection delay; if set too low metrics may not yet be available.
  # delay = "5m"
  #
  ## If unset, the window will start at 1m and be updated dynamically to span
  ## the time between calls (approximately the length of the plugin interval).
  # window = "1m"

  ## TTL for cached list of metric types.  This is the maximum amount of time
  ## it may take to discover new metrics.
  # cache_ttl = "1h"

  ## If true, raw bucket counts are collected for distribution value types.
  ## For a more lightweight collection, you may wish to disable and use
  ## distribution_aggregation_aligners instead.
  # gather_raw_distribution_buckets = true

  ## Aggregate functions to be used for metrics whose value type is
  ## distribution.  These aggregate values are recorded in in addition to raw
  ## bucket counts; if they are enabled.
  ##
  ## For a list of aligner strings see:
  ##   https://cloud.google.com/monitoring/api/ref_v3/rpc/google.monitoring.v3#aligner
  # distribution_aggregation_aligners = [
  # 	"ALIGN_PERCENTILE_99",
  # 	"ALIGN_PERCENTILE_95",
  # 	"ALIGN_PERCENTILE_50",
  # ]

  ## Filters can be added to reduce the number of time series matched.  All
  ## functions are supported: starts_with, ends_with, has_substring, and
  ## one_of.  Only the '=' operator is supported.
  ##
  ## The logical operators when combining filters are defined statically using
  ## the following values:
  ##   filter ::= <resource_labels> {AND <metric_labels>}
  ##   resource_labels ::= <resource_labels> {OR <resource_label>}
  ##   metric_labels ::= <metric_labels> {OR <metric_label>}
  ##
  ## For more details, see https://cloud.google.com/monitoring/api/v3/filters
  #
  ## Resource labels refine the time series selection with the following expression:
  ##   resource.labels.<key> = <value>
  # [[inputs.stackdriver.filter.resource_labels]]
  #   key = "instance_name"
  #   value = 'starts_with("localhost")'
  #
  ## Metric labels refine the time series selection with the following expression:
  ##   metric.labels.<key> = <value>
  #  [[inputs.stackdriver.filter.metric_labels]]
  #  	 key = "device_name"
  #  	 value = 'one_of("sda", "sdb")'
Authentication

It is recommended to use a service account to authenticate with the Stackdriver Monitoring API. Getting Started with Authentication.

Metrics

Metrics are created using one of there patterns depending on if the value type is a scalar value, raw distribution buckets, or aligned bucket values.

In all cases, the Stackdriver metric type is split on the last component into the measurement and field:

compute.googleapis.com/instance/disk/read_bytes_count
└──────────  measurement  ─────────┘ └──  field  ───┘

Scalar Values:

  • measurement
    • tags:
      • resource_labels
      • metric_labels
    • fields:
      • field

Distributions:

Distributions are represented by a set of fields along with the bucket values tagged with the bucket boundary. Buckets are cumulative: each bucket represents the total number of items less than the lt tag.

  • measurement
    • tags:
      • resource_labels
      • metric_labels
    • fields:
      • field_count
      • field_mean
      • field_sum_of_squared_deviation
      • field_range_min
      • field_range_max
  • measurement
    • tags:
      • resource_labels
      • metric_labels
      • lt (less than)
    • fields:
      • field_bucket

Aligned Aggregations:

  • measurement
    • tags:
      • resource_labels
      • metric_labels
    • fields:
      • field_alignment_function
Troubleshooting

When Telegraf is ran with --debug, detailed information about the performed queries will be logged.

Example Output

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Label

type Label struct {
	Key   string `toml:"key"`
	Value string `toml:"value"`
}

Label contains key and value

type ListTimeSeriesFilter

type ListTimeSeriesFilter struct {
	ResourceLabels []*Label `json:"resource_labels"`
	MetricLabels   []*Label `json:"metric_labels"`
}

ListTimeSeriesFilter contains resource labels and metric labels

type Stackdriver

type Stackdriver struct {
	Project                         string                `toml:"project"`
	RateLimit                       int                   `toml:"rate_limit"`
	Window                          internal.Duration     `toml:"window"`
	Delay                           internal.Duration     `toml:"delay"`
	CacheTTL                        internal.Duration     `toml:"cache_ttl"`
	MetricTypePrefixInclude         []string              `toml:"metric_type_prefix_include"`
	MetricTypePrefixExclude         []string              `toml:"metric_type_prefix_exclude"`
	GatherRawDistributionBuckets    bool                  `toml:"gather_raw_distribution_buckets"`
	DistributionAggregationAligners []string              `toml:"distribution_aggregation_aligners"`
	Filter                          *ListTimeSeriesFilter `toml:"filter"`
	// contains filtered or unexported fields
}

Stackdriver is the Google Stackdriver config info.

func (*Stackdriver) Description

func (s *Stackdriver) Description() string

Description implements telegraf.Input interface

func (*Stackdriver) Gather

func (s *Stackdriver) Gather(acc telegraf.Accumulator) error

Gather implements telegraf.Input interface

func (*Stackdriver) SampleConfig

func (s *Stackdriver) SampleConfig() string

SampleConfig implements telegraf.Input interface

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