Class: Vmpooler::PoolManager::GenericConnectionPool

Inherits:
ConnectionPool
  • Object
show all
Defined in:
lib/vmpooler/generic_connection_pool.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}, &block) ⇒ GenericConnectionPool

Extend the ConnectionPool class with instrumentation github.com/mperham/connection_pool/blob/master/lib/connection_pool.rb



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# File 'lib/vmpooler/generic_connection_pool.rb', line 11

def initialize(options = {}, &block)
  super(options, &block)
  @metrics = options[:metrics]
  @metric_prefix = options[:metric_prefix]
  @metric_prefix = 'connectionpool' if @metric_prefix.nil? || @metric_prefix == ''
end

Instance Method Details

#with_metrics(options = {}) ⇒ Object 



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# File 'lib/vmpooler/generic_connection_pool.rb', line 18

def with_metrics(options = {})
  Thread.handle_interrupt(Exception => :never) do
    start = Time.now
    conn = checkout(options)
    timespan_ms = ((Time.now - start) * 1000).to_i
    @metrics&.gauge(@metric_prefix + '.available', @available.length)
    @metrics&.timing(@metric_prefix + '.waited', timespan_ms)
    begin
      Thread.handle_interrupt(Exception => :immediate) do
        yield conn
      end
    ensure
      checkin
      @metrics&.gauge(@metric_prefix + '.available', @available.length)
    end
  end
end