class Vmpooler::PoolManager::GenericConnectionPool

Public Class Methods

new(options = {}, &block) click to toggle source

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

Calls superclass method
# File lib/vmpooler/generic_connection_pool.rb, line 11
def initialize(options = {}, &block)
  super(options, &block)
  @metrics = options[:metrics]
  @connpool_type = options[:connpool_type]
  @connpool_type = 'connectionpool' if @connpool_type.nil? || @connpool_type == ''
  @connpool_provider = options[:connpool_provider]
  @connpool_provider = 'unknown' if @connpool_provider.nil? || @connpool_provider == ''
end

Public Instance Methods

with_metrics(options = {}) { |conn| ... } click to toggle source
# File lib/vmpooler/generic_connection_pool.rb, line 20
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("connection_available.#{@connpool_type}.#{@connpool_provider}", @available.length)
    @metrics&.timing("connection_waited.#{@connpool_type}.#{@connpool_provider}", timespan_ms)
    begin
      Thread.handle_interrupt(Exception => :immediate) do
        yield conn
      end
    ensure
      checkin
      @metrics&.gauge("connection_available.#{@connpool_type}.#{@connpool_provider}", @available.length)
    end
  end
end