Class: Cloudcost::ServerList

Inherits:
Object
  • Object
show all
Defined in:
lib/cloudcost/server_list.rb

Instance Method Summary collapse

Constructor Details

#initialize(servers, options = {}) ⇒ ServerList

Returns a new instance of ServerList.



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# File 'lib/cloudcost/server_list.rb', line 5

def initialize(servers, options = {})
  @servers = servers
  @options = options
end

Instance Method Details

#calculate_totals(servers = @servers) ⇒ Object 



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# File 'lib/cloudcost/server_list.rb', line 10

def calculate_totals(servers = @servers)
  totals = { vcpu: 0, memory: 0, ssd: 0, bulk: 0, cost: 0.0 }
  servers.each do |server|
    totals[:vcpu] += server.vcpu_count
    totals[:memory] += server.memory_gb
    totals[:ssd] += server.storage_size(:ssd)
    totals[:bulk] += server.storage_size(:bulk)
    totals[:cost] += server.total_costs_per_day
  end
  totals
end

#cost_table ⇒ Object 



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# File 'lib/cloudcost/server_list.rb', line 80

def cost_table
  table = Terminal::Table.new do |t|
    t.title = "cloudscale.ch server costs"
    t.title += " (#{@options[:profile]})" if @options[:profile]
    t.headings = headings
    t.rows = rows unless @options[:summary]
  end

  table.add_separator unless @options[:summary]
  table.add_row totals
  first_number_row = @options[:summary] ? 1 : 2
  (first_number_row..table.columns.size).each { |column| table.align_column(column, :right) }
  table
end

#grouped_cost_table ⇒ Object 



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# File 'lib/cloudcost/server_list.rb', line 95

def grouped_cost_table
  no_tag = "<no-tag>"
  group_rows = @servers.group_by {|s| s.tags[@options[:group_by].to_sym] || no_tag }.map do |name, servers|
    server_groups_data(name, servers).values.flatten
  end.sort {|a, b| a[0] == no_tag ? 1 : a[0] <=> b[0] }
  if @options[:output] == "csv"
    CSV.generate do |csv|
      csv << headings
      group_rows.each { |row| csv << row }
    end
  elsif @options[:output] == "influx"
    lines = []
    group_rows.each do |row|
      [
        { field: "server_count", position: 1, unit: "i" },
        { field: "vcpus", position: 2, unit: "i" },
        { field: "memory_gb", position: 3, unit: "i" },
        { field: "ssd_gb", position: 4, unit: "i" },
        { field: "bulk_gb", position: 5, unit: "i" },
        { field: "cost_per_day", position: 6, unit: "" },
      ].each do |field| 
        lines << "cloudscaleServerCosts,grouped_by=#{@options[:group_by]},group=#{row[0]},environment=#{@options[:profile] || "default"},currency=CHF #{field[:field]}=#{row[field[:position]]}#{field[:unit]}"
      end
    end
    lines.join("\n")
  else
    table = Terminal::Table.new do |t|
      t.title = "cloudscale.ch server costs grouped by tag \"#{@options[:group_by]}\""
      t.title += " (#{@options[:profile]})" if @options[:profile]
      t.headings = headings
    end
    table.rows = group_rows
    (1..table.columns.size).each { |column| table.align_column(column, :right) }
    table
  end
end

#headings ⇒ Object 



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# File 'lib/cloudcost/server_list.rb', line 22

def headings
  headings = if @options[:summary]
    [""]
  elsif @options[:group_by]
    ["Group",  "Servers"]
  else
    %w[Name UUID Flavor Tags]
  end
  headings.concat ["vCPU's", "Memory [GB]", "SSD [GB]", "Bulk [GB]", "CHF/day", "CHF/30-days"]
end

#rows ⇒ Object 



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# File 'lib/cloudcost/server_list.rb', line 33

def rows
  rows = []
  @servers.sort_by(&:name).map do |server|
    rows << [
      server.name,
      server.uuid,
      server.flavor,
      server.tags_to_s,
      server.vcpu_count,
      server.memory_gb,
      server.storage_size(:ssd),
      server.storage_size(:bulk),
      format("%.2f", server.total_costs_per_day.round(2)),
      format("%.2f", (server.total_costs_per_day * 30).round(2))
    ]
  end
  rows
end

#server_groups_data(name, servers) ⇒ Object 



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# File 'lib/cloudcost/server_list.rb', line 132

def server_groups_data(name, servers)
  data = { name: name, count: 0, vcpu: 0, memory: 0, ssd: 0, bulk: 0, costs_daily: 0 }
  servers.each do |server|
    data[:count] += 1
    data[:vcpu] += server.vcpu_count
    data[:memory] += server.memory_gb
    data[:ssd] += server.storage_size(:ssd)
    data[:bulk] += server.storage_size(:bulk)
    data[:costs_daily] += server.total_costs_per_day
  end
  data[:costs_monthly] = (data[:costs_daily] * 30).round(2)
  data[:costs_daily] = data[:costs_daily].round(2)
  data
end

#tags_table ⇒ Object 



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# File 'lib/cloudcost/server_list.rb', line 65

def tags_table
  Terminal::Table.new do |t|
    t.title = "cloudscale.ch server tags"
    t.title += " (#{@options[:profile]})" if @options[:profile]
    t.headings = %w[Name UUID Tags]
    t.rows = @servers.sort_by(&:name).map do |server|
      [
        server.name,
        server.uuid,
        server.tags_to_s
      ]
    end
  end
end

#to_csv ⇒ Object 



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# File 'lib/cloudcost/server_list.rb', line 147

def to_csv
  CSV.generate do |csv|
    csv << headings
    if @options[:summary]
      csv << totals
    else
      rows.each { |row| csv << row }
    end
  end
end

#totals(servers = @servers) ⇒ Object 



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# File 'lib/cloudcost/server_list.rb', line 52

def totals(servers = @servers)
  totals = calculate_totals(servers)
  total_row = @options[:summary] ? %w[Total] : ["Total", "", "", ""]
  total_row.concat [
    totals[:vcpu],
    totals[:memory],
    totals[:ssd],
    totals[:bulk],
    format("%.2f", totals[:cost].round(2)),
    format("%.2f", (totals[:cost] * 30).round(2))
  ]
end