Class: Prometheus::Client::Registry

Inherits:
Object
  • Object
show all
Defined in:
lib/prometheus/client/registry.rb

Overview

Registry

Defined Under Namespace

Classes: AlreadyRegisteredError

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Registry

Returns a new instance of Registry.



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# File 'lib/prometheus/client/registry.rb', line 15

def initialize
  @metrics = {}
  @mutex = Mutex.new
end

Instance Method Details

#counter(name, docstring, base_labels = {}) ⇒ Object 



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# File 'lib/prometheus/client/registry.rb', line 34

def counter(name, docstring, base_labels = {})
  register(Counter.new(name, docstring, base_labels))
end

#exist?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prometheus/client/registry.rb', line 46

def exist?(name)
  @metrics.key?(name)
end

#gauge(name, docstring, base_labels = {}) ⇒ Object 



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# File 'lib/prometheus/client/registry.rb', line 42

def gauge(name, docstring, base_labels = {})
  register(Gauge.new(name, docstring, base_labels))
end

#get(name) ⇒ Object 



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# File 'lib/prometheus/client/registry.rb', line 50

def get(name)
  @metrics[name.to_sym]
end

#metrics ⇒ Object 



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# File 'lib/prometheus/client/registry.rb', line 54

def metrics
  @metrics.values
end

#register(metric) ⇒ Object 



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# File 'lib/prometheus/client/registry.rb', line 20

def register(metric)
  name = metric.name

  @mutex.synchronize do
    if exist?(name.to_sym)
      fail AlreadyRegisteredError, "#{name} has already been registered"
    else
      @metrics[name.to_sym] = metric
    end
  end

  metric
end

#summary(name, docstring, base_labels = {}) ⇒ Object 



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# File 'lib/prometheus/client/registry.rb', line 38

def summary(name, docstring, base_labels = {})
  register(Summary.new(name, docstring, base_labels))
end