Class: Sidekiq::TUI::Tabs::Busy

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

Constant Summary

Constants included from Controls

Controls::GLOBAL, Controls::SHARED

Instance Attribute Summary

Attributes inherited from BaseTab

#data, #name

Instance Method Summary collapse

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

Constructor Details

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

Instance Method Details

#controls ⇒ Object 



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

def controls
  @controls ||= super + [
    {code: "T", modifiers: ["shift"], description: "Terminate", action: ->(tui, tab) { tab.terminate! }},
    {code: "Q", modifiers: ["shift"], description: "Quiet", action: ->(tui, tab) { tab.quiet! }}
  ]
end

#features ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/busy.rb', line 7

def features
  %i[selectable]
end

#quiet! ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/busy.rb', line 18

def quiet!
  each_selection do |id|
    Sidekiq::Process.new("identity" => id).quiet!
  end
end

#refresh_data ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/busy.rb', line 30

def refresh_data
  refresh_data_for_stats

  busy = []
  table_row_ids = []

  Sidekiq::ProcessSet.new.each do |p|
    name = "#{p["hostname"]}:#{p["pid"]}"
    name += " ⭐️" if p.leader?
    name += " 🛑" if p.stopping?
    busy << [
      selected?(p) ? "✅" : "",
      name,
      Time.at(p["started_at"]).utc,
      format_memory(p["rss"].to_i),
      number_with_delimiter(p["concurrency"]),
      number_with_delimiter(p["busy"])
    ]
    table_row_ids << p.identity
  end

  @data[:busy] = busy
  @data[:table] = {row_ids: table_row_ids}
end

#render(tui, frame, area) ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/busy.rb', line 55

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

  render_stats_section(tui, frame, chunks[0])
  render_status_section(tui, frame, chunks[1])
  render_table(tui, frame, chunks[2]) do
    {
      title: t("Processes"),
      header: ["☑️", "Name", "Started", "RSS", "Threads", "Busy"].map { |x| t(x) },
      widths: [
        tui.constraint_length(5),
        tui.constraint_fill(1),
        tui.constraint_length(24),
        tui.constraint_length(10),
        tui.constraint_length(6),
        tui.constraint_length(6)
      ],
      rows: @data[:busy].map.with_index { |cells, idx|
        tui.table_row(
          cells:,
          style: idx.even? ? nil : tui.style(bg: :dark_gray)
        )
      }
    }
  end
end

#render_status_section(tui, frame, area) ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/busy.rb', line 90

def render_status_section(tui, frame, area)
  values = []
  processes = Sidekiq::ProcessSet.new
  workset = Sidekiq::WorkSet.new
  ws = workset.size
  values << (s = processes.size
             number_with_delimiter(s))
  values << (x = processes.total_concurrency
             number_with_delimiter(x))
  values << number_with_delimiter(ws)
  values << "#{(x == 0) ? 0 : ((ws / x.to_f) * 100).round(0)}%"
  values << format_memory(processes.total_rss)

  keys = %w[Processes Threads Busy Utilization RSS]
  keys_line = keys.map { |k| t(k).to_s.ljust(12) }.join("  ")
  values_line = values.map { |v| v.to_s.ljust(12) }.join("  ")

  frame.render_widget(
    tui.paragraph(
      text: [keys_line, values_line],
      block: tui.block(title: t("Status"), borders: [:all])
    ),
    area
  )
end

#terminate! ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/busy.rb', line 24

def terminate!
  each_selection do |id|
    Sidekiq::Process.new("identity" => id).stop!
  end
end