Class: Sidekiq::TUI::Tabs::Metrics

Inherits:
BaseTab
  • Object
show all
Includes:
Filtering
Defined in:
lib/sidekiq/tui/tabs/metrics.rb

Constant Summary collapse

COLORS = 
%i[light_blue light_cyan light_yellow light_red light_green white gray]

Constants included from Controls

Controls::GLOBAL, Controls::SHARED

Instance Attribute Summary

Attributes inherited from BaseTab

#data, #name

Instance Method Summary collapse

Methods included from Filtering

#append_to_filter, #current_filter, #filtering?, #remove_last_char_from_filter, #start_filtering, #stop_and_clear_filtering, #stop_filtering

Methods inherited from BaseTab

#each_selection, #error, #error=, #filtering?, #format_memory, #initialize, #navigate_row, #next_page, #number_with_delimiter, #prev_page, #refresh_data_for_stats, #render_stats_section, #render_table, #reset_data, #selected?, #t, #toggle_select

Methods included from Controls

#controls

Constructor Details

This class inherits a constructor from Sidekiq::TUI::BaseTab

Instance Method Details

#features ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/metrics.rb', line 11

def features
  %i[filterable]
end

#on_filter_change ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/metrics.rb', line 15

def on_filter_change
  @data[:metrics_refresh] = nil
end

#refresh_data ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/metrics.rb', line 23

def refresh_data
  refresh_data_for_stats

  # only need to refresh every 60 seconds
  if !@data[:metrics_refresh] || @data[:metrics_refresh] < Time.now
    q = Sidekiq::Metrics::Query.new
    query_result = q.top_jobs(class_filter: regexp, minutes: 60)
    @data[:metrics] = query_result
    @data[:metrics_refresh] = Time.now + 60
  end
end

#regexp ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/metrics.rb', line 19

def regexp
  filtering? ? Regexp.new(Regexp.escape(current_filter), Regexp::IGNORECASE) : nil
end

#render(tui, frame, area) ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/metrics.rb', line 35

def render(tui, frame, area)
  chunks = tui.layout_split(
    area,
    direction: :vertical,
    constraints: [
      tui.constraint_length(4), # Stats
      tui.constraint_fill(1) # Chart
      # TOOD Table
    ]
  )

  render_stats_section(tui, frame, chunks[0])
  render_metrics_chart(tui, frame, chunks[1])
end

#render_metrics_chart(tui, frame, area) ⇒ Object

Run to generate metrics data:

cd myapp && bundle install
bundle exec rake seed_jobs
bundle exec sidekiq



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# File 'lib/sidekiq/tui/tabs/metrics.rb', line 54

def render_metrics_chart(tui, frame, area)
  y_max = 5
  csize = COLORS.size
  q = @data[:metrics]
  job_results = q.job_results.sort_by { |(kls, jr)| jr.totals["s"] }.reverse.first(COLORS.size)
  # visible_kls = job_results.first(5).map(&:first)
  # chart_data = {
  #   series: job_results.map { |(kls, jr)| [kls, jr.dig("series", "s")] }.to_h,
  #   marks: query_result.marks.map { |m| [m.bucket, m.label] },
  #   starts_at: query_result.starts_at.iso8601,
  #   ends_at: query_result.ends_at.iso8601,
  #   visibleKls: visible_kls,
  #   yLabel: 'TotalExecutionTime',
  #   units: 'seconds',
  #   markLabel: '*',
  # }

  datasets = job_results.map.with_index do |(kls, data), idx|
    # log kls, data, idx
    hrdata = data.dig("series", "s")
    tm = Time.now
    tmi = tm.to_i
    tm = Time.at(tmi - (tmi % 60)).utc
    data = Array.new(60) { |idx| idx }.map do |bucket_idx|
      jumpback = bucket_idx * 60
      value = hrdata[(tm - jumpback).iso8601] || 0
      y_max = value if value > y_max
      # we have 60 data points, newest data should be
      # at highest indexes so we have to rejigger the index
      # here
      [59 - bucket_idx, value]
    end
    # log data

    # log(data)
    tui.dataset(name: kls,
      data: data,
      style: tui.style(fg: COLORS[idx % csize]),
      marker: :dot,
      graph_type: :line)
  end

  num_labels = 5
  y_labels = (0...num_labels).map do |i|
    value = ((y_max * i) / (num_labels - 1)).round
    value.to_s
  end
  xlabels = [
    q.starts_at.iso8601[11..15],
    q.ends_at.iso8601[11..15]
  ]

  # beacon_pulse = (Time.now.to_i % 2 == 0) ? "●" : " "

  chart = tui.chart(
    datasets: datasets,
    x_axis: tui.axis(
      bounds: [0.0, 60.0],
      labels: xlabels,
      style: tui.style(fg: :white)
    ),
    y_axis: tui.axis(
      bounds: [0.0, y_max.to_f],
      labels: y_labels,
      style: tui.style(fg: :white)
    ),
    block: tui.block(
      title: t(name),
      borders: [:all]
    )
  )

  frame.render_widget(chart, area)
end