Class: Attio::Observability::Metrics::Memory

Inherits:
Object
  • Object
show all
Defined in:
lib/attio/observability.rb

Overview

In-memory metrics for testing

Since:

  • 1.0.0

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Memory

Returns a new instance of Memory.

Since:

  • 1.0.0



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# File 'lib/attio/observability.rb', line 185

def initialize
  @counters = Hash.new(0)
  @gauges = {}
  @histograms = Hash.new { |h, k| h[k] = [] }
end

Instance Attribute Details

#counters ⇒ Object (readonly)

Since:

  • 1.0.0



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# File 'lib/attio/observability.rb', line 183

def counters
  @counters
end

#gauges ⇒ Object (readonly)

Since:

  • 1.0.0



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# File 'lib/attio/observability.rb', line 183

def gauges
  @gauges
end

#histograms ⇒ Object (readonly)

Since:

  • 1.0.0



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# File 'lib/attio/observability.rb', line 183

def histograms
  @histograms
end

Instance Method Details

#format_tags(tags) ⇒ Object (private)

Since:

  • 1.0.0



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# File 'lib/attio/observability.rb', line 212

private def format_tags(tags)
  # Format tags in a consistent way that works across Ruby versions
  sorted = tags.sort.to_h
  content = sorted.map { |k, v| ":#{k}=>#{v.inspect}" }.join(", ")
  "{#{content}}"
end

#gauge(metric, value, tags: {}) ⇒ Object

Since:

  • 1.0.0



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# File 'lib/attio/observability.rb', line 196

def gauge(metric, value, tags: {})
  key = tags.empty? ? "#{metric}:" : "#{metric}:#{format_tags(tags)}"
  @gauges[key] = value
end

#histogram(metric, value, tags: {}) ⇒ Object

Since:

  • 1.0.0



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# File 'lib/attio/observability.rb', line 201

def histogram(metric, value, tags: {})
  key = tags.empty? ? "#{metric}:" : "#{metric}:#{format_tags(tags)}"
  @histograms[key] << value
end

#increment(metric, tags: {}) ⇒ Object

Since:

  • 1.0.0



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# File 'lib/attio/observability.rb', line 191

def increment(metric, tags: {})
  key = tags.empty? ? "#{metric}:" : "#{metric}:#{format_tags(tags)}"
  @counters[key] += 1
end

#reset! ⇒ Object

Since:

  • 1.0.0



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# File 'lib/attio/observability.rb', line 206

def reset!
  @counters.clear
  @gauges.clear
  @histograms.clear
end