Class: Sidekiq::TUI::Tabs::Home

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

Methods included from Controls

#controls, #features

Constructor Details

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

Instance Method Details

#refresh_data ⇒ Object 



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

def refresh_data
  refresh_data_for_stats

  stats = Sidekiq::Stats.new
  @data[:chart] ||= {
    previous_stats: {
      processed: stats.processed,
      failed: stats.failed
    },
    deltas: {
      processed: Array.new(50, 0),
      failed: Array.new(50, 0)
    }
  }

  processed_delta = stats.processed - @data[:chart][:previous_stats][:processed]
  failed_delta = stats.failed - @data[:chart][:previous_stats][:failed]

  @data[:chart][:deltas][:processed].shift
  @data[:chart][:deltas][:processed].push(processed_delta)
  @data[:chart][:deltas][:failed].shift
  @data[:chart][:deltas][:failed].push(failed_delta)

  @data[:chart][:previous_stats] = {
    processed: stats.processed,
    failed: stats.failed
  }

  redis_info = Sidekiq.default_configuration.redis_info

  @data[:redis_info] = {
    version: redis_info["redis_version"] || "N/A",
    uptime_days: redis_info["uptime_in_days"] || "N/A",
    connected_clients: redis_info["connected_clients"] || "N/A",
    used_memory: redis_info["used_memory_human"] || "N/A",
    peak_memory: redis_info["used_memory_peak_human"] || "N/A"
  }
end

#render(tui, frame, area) ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/home.rb', line 46

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

  render_stats_section(tui, frame, chunks[0])
  render_chart_section(tui, frame, chunks[1])
  render_redis_info_section(tui, frame, chunks[2])
end

#render_chart_section(tui, frame, area) ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/home.rb', line 62

def render_chart_section(tui, frame, area)
  max_value = [@data[:chart][:deltas][:processed].max, @data[:chart][:deltas][:failed].max, 1].max
  y_max = [max_value, 5].max

  processed_data = @data[:chart][:deltas][:processed].each_with_index.map { |value, idx| [idx.to_f, value.to_f] }
  failed_data = @data[:chart][:deltas][:failed].each_with_index.map { |value, idx| [idx.to_f, value.to_f] }

  datasets = [
    tui.dataset(
      name: "",
      data: processed_data,
      style: tui.style(fg: :green),
      marker: :dot,
      graph_type: :line
    ),
    tui.dataset(
      name: "",
      data: failed_data,
      style: tui.style(fg: :red),
      marker: :dot,
      graph_type: :line
    )
  ]

  num_labels = 5
  y_labels = (0...num_labels).map do |i|
    value = ((y_max * i) / (num_labels - 1)).round
    value.to_s
  end

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

  chart = tui.chart(
    datasets: datasets,
    x_axis: tui.axis(
      bounds: [0.0, 49.0],
      labels: [],
      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: "Dashboard #{beacon_pulse}",
      borders: [:all]
    )
  )

  frame.render_widget(chart, area)
end

#render_redis_info_section(tui, frame, area) ⇒ Object 



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# File 'lib/sidekiq/tui/tabs/home.rb', line 115

def render_redis_info_section(tui, frame, area)
  redis_info = @data[:redis_info]

  uptime_value = (redis_info[:uptime_days] == "N/A") ? "N/A" : "#{redis_info[:uptime_days]} days"

  keys = ["Version", "Uptime", "Connected Clients", "Memory Usage", "Peak Memory"]
  values = [
    redis_info[:version].to_s,
    uptime_value,
    redis_info[:connected_clients].to_s,
    redis_info[:used_memory].to_s,
    redis_info[:peak_memory].to_s
  ]

  # Format keys and values with spacing
  keys_line = keys.map { |k| t(k).ljust(18) }.join("  ")
  values_line = values.map { |v| v.ljust(18) }.join("  ")

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