class PrometheusExporter::Metric::Gauge

Attributes

data[R]

Public Class Methods

new(name, help) click to toggle source
Calls superclass method PrometheusExporter::Metric::Base::new
# File lib/prometheus_exporter/metric/gauge.rb, line 7
def initialize(name, help)
  super
  reset!
end

Public Instance Methods

decrement(labels = {}, value = 1) click to toggle source
# File lib/prometheus_exporter/metric/gauge.rb, line 52
def decrement(labels = {}, value = 1)
  @data[labels] ||= 0
  @data[labels] -= value
end
increment(labels = {}, value = 1) click to toggle source
# File lib/prometheus_exporter/metric/gauge.rb, line 47
def increment(labels = {}, value = 1)
  @data[labels] ||= 0
  @data[labels] += value
end
metric_text() click to toggle source
# File lib/prometheus_exporter/metric/gauge.rb, line 16
def metric_text
  @data.map do |labels, value|
    "#{prefix(@name)}#{labels_text(labels)} #{value}"
  end.join("\n")
end
observe(value, labels = {}) click to toggle source
# File lib/prometheus_exporter/metric/gauge.rb, line 34
def observe(value, labels = {})
  if value.nil?
    data.delete(labels)
  else
    if !(Numeric === value)
      raise ArgumentError, 'value must be a number'
    end
    @data[labels] = value
  end
end
Also aliased as: set
remove(labels) click to toggle source
# File lib/prometheus_exporter/metric/gauge.rb, line 30
def remove(labels)
  @data.delete(labels)
end
reset!() click to toggle source
# File lib/prometheus_exporter/metric/gauge.rb, line 22
def reset!
  @data = {}
end
set(value, labels = {})
Alias for: observe
to_h() click to toggle source
# File lib/prometheus_exporter/metric/gauge.rb, line 26
def to_h
  @data.dup
end
type() click to toggle source
# File lib/prometheus_exporter/metric/gauge.rb, line 12
def type
  "gauge"
end