Class: Atatus::Collector::Base

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/atatus/collector/base.rb

Constant Summary

Constants included from Logging

Logging::LEVELS, Logging::PREFIX

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

#debug, #error, #fatal, #info, #warn

Constructor Details

#initialize(config) ⇒ Base

Returns a new instance of Base.



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# File 'lib/atatus/collector/base.rb', line 27

def initialize(config)
  # info 'Initializing Collector'
  @config = config
  @spans = Hash.new {|h,k| h[k]=[]}

  @txns_lock = Mutex.new
  @txns_agg = {}
  @txn_hist_agg = {}
  @traces_agg = []
  @error_metrics_agg = {}
  @error_requests_agg = []

  @errors_lock = Mutex.new
  @errors_aggs = []

  @metrics_lock = Mutex.new
  @metrics_agg = []

  @hostinfo_response = {}
  @transport = Atatus::BaseTransport.new(config)
  @collect_counter = 0
  @running = false
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/atatus/collector/base.rb', line 51

def config
  @config
end

Instance Method Details

#add_error(error) ⇒ Object 



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# File 'lib/atatus/collector/base.rb', line 81

def add_error(error)
  ensure_worker_running
  ignore_error = false
  if
    !error.exception.nil?  &&
    !error.exception.type.nil? &&
    !error.exception.message.nil?
  then
    if @hostinfo_response.key?("ignoreExceptionPatterns")
      @hostinfo_response['ignoreExceptionPatterns'].each do |k, v|
        if error.exception.type.match(k)
          exception_values = v
          if exception_values.length == 0
            ignore_error = true
          else
            exception_values.each do |value|
              if error.exception.message.include?(value)
                ignore_error = true
              end
            end
          end
          break
        end
      end
    end
  end
  if ignore_error == false
    @errors_lock.synchronize do
      if @errors_aggs.length < 20
        @errors_aggs.push(error)
      else
        i = rand(20)
        @errors_aggs[i] = error
      end
    end
  end
end

#add_metrics(metricset) ⇒ Object 



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# File 'lib/atatus/collector/base.rb', line 119

def add_metrics(metricset)
  ensure_worker_running

  metric_added = false
  metric = {}

  if %i[system.cpu.total.norm.pct system.memory.actual.free system.memory.total system.process.cpu.total.norm.pct system.process.memory.size system.process.memory.rss.bytes].all? {|s| metricset.samples.key? s}
  then
    metric[:'system.cpu.total.norm.pct'] = metricset.samples[:'system.cpu.total.norm.pct']
    metric[:'system.memory.actual.free'] = metricset.samples[:'system.memory.actual.free']
    metric[:'system.memory.total'] = metricset.samples[:'system.memory.total']
    metric[:'system.process.cpu.total.norm.pct'] = metricset.samples[:'system.process.cpu.total.norm.pct']
    metric[:'system.process.memory.size'] = metricset.samples[:'system.process.memory.size']
    metric[:'system.process.memory.rss.bytes'] = metricset.samples[:'system.process.memory.rss.bytes']
    metric_added = true
  end

  if %i[ruby.gc.count ruby.threads ruby.heap.slots.live ruby.heap.slots.free ruby.heap.allocations.total].all? {|s| metricset.samples.key? s}
  then
    metric[:'ruby.gc.count'] = metricset.samples[:'ruby.gc.count']
    metric[:'ruby.threads'] = metricset.samples[:'ruby.threads']
    metric[:'ruby.heap.slots.live'] = metricset.samples[:'ruby.heap.slots.live']
    metric[:'ruby.heap.slots.free'] = metricset.samples[:'ruby.heap.slots.free']
    metric[:'ruby.heap.allocations.total'] = metricset.samples[:'ruby.heap.allocations.total']
    if %i[ruby.gc.time].all? {|s| metricset.samples.key? s}
    then
      metric[:'ruby.gc.time'] = metricset.samples[:'ruby.gc.time']
    end
    metric_added = true
  end

  if metric_added
    @metrics_lock.synchronize do
      @metrics_agg << metric
    end
  end
end

#add_span(span) ⇒ Object 



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# File 'lib/atatus/collector/base.rb', line 157

def add_span(span)
  ensure_worker_running

  if
    span.transaction_id.nil? ||
    span.name.nil? ||
    span.type.nil? ||
    span.subtype.nil? ||
    span.duration.nil?
  then
    return
  end

  @spans[span.transaction_id] << span if span.transaction_id
end

#add_txn(txn) ⇒ Object 



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# File 'lib/atatus/collector/base.rb', line 173

def add_txn(txn)
  ensure_worker_running

  if
    txn.name.nil? ||
    txn.id.nil? ||
    txn.timestamp.nil? ||
    txn.duration.nil?
  then
    return
  end

  ignore_txn = false
  if @hostinfo_response.key?("ignoreTxnNamePatterns")
    @hostinfo_response['ignoreTxnNamePatterns'].each do |k|
      if txn.name.match(k)
        ignore_txn = true
        break
      end
    end
  end
  if ignore_txn == true
    return
  end

  return if txn.name.empty?
  return if txn.duration <= 0

  @txns_lock.synchronize do
    txn_type = @config.framework_name || "Ruby"
    background = false
    if !txn.type.nil?
      if txn.type == "Sidekiq"
        background = true
      end
    end

    if !@txns_agg.key?(txn.name)
      @txns_agg[txn.name] = Txn.new(txn_type, "Ruby", txn.duration, background: background)
      @txns_agg[txn.name].id = txn.id
      @txns_agg[txn.name].pid = txn.id
    else
      @txns_agg[txn.name].aggregate! txn.duration
    end

    if background == false and txn.duration <= 150*1000*1000.0
      if !@txn_hist_agg.key?(txn.name)
        @txn_hist_agg[txn.name] = TxnHist.new(txn_type, "Ruby", Util.ms(txn.duration))
      else
        @txn_hist_agg[txn.name].aggregate! Util.ms(txn.duration)
      end
    end

    spans_present = false
    ruby_time = 0
    spans_tuple = []
    if @spans.key?(txn.id)
      spans_present = true
      @spans[txn.id].each do |span|
        if
          span.name.nil? ||
          span.type.nil? ||
          span.subtype.nil? ||
          span.timestamp.nil? ||
          span.duration.nil?
        then
          next
        end

        next if span.name.empty?

        if span.timestamp >= txn.timestamp
          start = Util.ms(span.timestamp - txn.timestamp)
          spans_tuple.push(SpanTiming.new(span.name, span.type, span.subtype, start, start + Util.ms(span.duration), span.duration, span.id, span.transaction_id))
        end
      end
    end

    if spans_tuple.length == 0
      ruby_time = Util.ms(txn.duration)
    else
      spans_tuple.sort! {| a, b | a[:start] <=> b[:start] }
      j = 0
      while j < spans_tuple.length
        if spans_tuple[j].subtype == 'controller' || spans_tuple[j].subtype == 'view' || spans_tuple[j].subtype == 'tilt'
          k = j+1
          while k < spans_tuple.length
            if spans_tuple[k].start >= spans_tuple[j].end
              break
            else
              if spans_tuple[k].end <= spans_tuple[j].end
                spans_tuple[j].duration -= Util.us(spans_tuple[k].end - spans_tuple[k].start)
              else
                spans_tuple[j].duration -= Util.us(spans_tuple[j].end - spans_tuple[k].start)
              end
            end
            k += 1
          end
          if spans_tuple[j].duration <= 0
            spans_tuple[j].duration = 1
          end
        end

        if !@txns_agg[txn.name].spans.key?(spans_tuple[j].name)
          kind = Layer.span_kind(spans_tuple[j].type)
          type = Layer.span_type(spans_tuple[j].subtype)
          @txns_agg[txn.name].spans[spans_tuple[j].name] = Layer.new(type, kind, spans_tuple[j].duration)
          @txns_agg[txn.name].spans[spans_tuple[j].name].id = spans_tuple[j].id
          @txns_agg[txn.name].spans[spans_tuple[j].name].pid = spans_tuple[j].transaction_id
        else
          @txns_agg[txn.name].spans[spans_tuple[j].name].aggregate! spans_tuple[j].duration
        end

        j += 1
      end

      ruby_time = spans_tuple[0].start
      span_end = spans_tuple[0].end
      j = 0
      while j < spans_tuple.length
        if spans_tuple[j].start > span_end
          ruby_time += spans_tuple[j].start - span_end
          span_end = spans_tuple[j].end
        else
          if spans_tuple[j].end > span_end
            span_end = spans_tuple[j].end
          end
        end
        j += 1
      end
      if Util.ms(txn.duration) > span_end
        ruby_time += Util.ms(txn.duration) - span_end
      end
    end

    if ruby_time > 0
      ruby_time = Util.us(ruby_time)
      @txns_agg[txn.name].spans["Ruby"] = Layer.new("Ruby", "Ruby", ruby_time)
    end

    if spans_present == true || ruby_time > 0
      if Util.ms(txn.duration) >= @config.trace_threshold
        trace_txn = txn
        trace_txn.spans = @spans[txn.id] if spans_present
        trace_txn.ruby_time = ruby_time if ruby_time > 0

        if @traces_agg.length < 5
          @traces_agg.push(trace_txn)
        else
          i = rand(5)
          @traces_agg[i] = trace_txn
        end
      end
    end

    if spans_present
      @spans.delete(txn.id)
    end

    if
      !txn.context.nil? &&
      !txn.context.response.nil? &&
      !txn.context.response.status_code.nil?
    then
      status_code = txn.context.response.status_code.to_i
      ignore_status_code = false
      if status_code >= 400 && status_code != 404
        if @hostinfo_response.key?("ignoreHTTPFailurePatterns")
          @hostinfo_response['ignoreHTTPFailurePatterns'].each do |k, v|
            if txn.name.match(k)
              status_code_array_s = v
              if status_code_array_s.length == 0
                ignore_status_code = true
              else
                status_code_array_s.each do |code|
                  if code == txn.context.response.status_code.to_s
                    ignore_status_code = true
                  end
                end
              end
              break
            end
          end
        end
        if ignore_status_code == false
          if !@error_metrics_agg.key?(txn.name)
            @error_metrics_agg[txn.name] = {status_code => 1}
          else
            if !@error_metrics_agg[txn.name].key?(status_code)
              @error_metrics_agg[txn.name][status_code] = 1
            else
              @error_metrics_agg[txn.name][status_code] += 1
            end
          end

          trace_id = ""
          trace_id = txn.trace_id if !txn.trace_id.nil?
          if @error_requests_agg.length < 20
            @error_requests_agg.push({'name' => txn.name, 'txn_id' => txn.id, 'trace_id' => trace_id, 'context' => txn.context})
          else
            i = rand(20)
            @error_requests_agg[i] = {'name' => txn.name, 'txn_id' => txn.id, 'trace_id' => trace_id, 'context' => txn.context}
          end
        end
      end
    end

  end
end

#handle_forking! ⇒ Object 



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# File 'lib/atatus/collector/base.rb', line 76

def handle_forking!
  stop
  start
end

#pid_str ⇒ Object 



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# File 'lib/atatus/collector/base.rb', line 53

def pid_str
  format('[PID:%s]', Process.pid)
end

#start ⇒ Object 



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# File 'lib/atatus/collector/base.rb', line 57

def start
  debug '%s: Starting collector', pid_str

  ensure_worker_running
end

#stop ⇒ Object 



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# File 'lib/atatus/collector/base.rb', line 63

def stop
  return unless @running
  @running = false
  if worker_active?
    debug '%s: Waiting for collector worker to exit', pid_str
    @worker.run
    @worker.join(10)
  end
rescue => e
  error format('Failed during collector stop: [%s] %s', e.class, e.message)
  error "Backtrace:\n" + e.backtrace.join("\n")
end