Class: WavefrontDisplay::Metric

Inherits:
Base
  • Object
show all
Defined in:
lib/wavefront-cli/display/metric.rb

Overview

Format human-readable output for metrics.

Constant Summary

Constants included from WavefrontCli::Constants

WavefrontCli::Constants::ALL_PAGE_SIZE, WavefrontCli::Constants::DEFAULT_CONFIG, WavefrontCli::Constants::DEFAULT_OPTS, WavefrontCli::Constants::HUMAN_TIME_FORMAT, WavefrontCli::Constants::HUMAN_TIME_FORMAT_MS

Instance Attribute Summary

Attributes inherited from Base

#data, #options, #raw

Instance Method Summary collapse

Methods inherited from Base

#_prioritize_keys, #do_delete, #do_import, #do_list, #do_list_brief, #do_list_fields, #do_queries, #do_search, #do_search_brief, #do_tag_add, #do_tag_clear, #do_tag_delete, #do_tag_set, #do_tags, #do_undelete, #drop_fields, #filter_data, #filter_fields_as_arr, #friendly_name, #human_time, #initialize, #key_width, #long_output, #multicolumn, #pagination_line, #prioritize_keys, #priority_keys, #readable_time, #readable_time_arr, #run, #run_error, #run_list, #run_search, #time_formats

Constructor Details

This class inherits a constructor from WavefrontDisplay::Base

Instance Method Details

#bail_out ⇒ Object 



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# File 'lib/wavefront-cli/display/metric.rb', line 24

def bail_out
  puts 'No matches.'
  exit
end

#do_describe ⇒ Object 



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# File 'lib/wavefront-cli/display/metric.rb', line 8

def do_describe
  bail_out if no_data?

  @data = data['hosts'].map do |h, _aggr|
    { host: h[:host], last_update: human_time(h[:last_update]) }
  end

  @data.sort_by { |h| h[:last_update] }.reverse

  multicolumn(:host, :last_update)
end

#no_data? ⇒ Boolean

Returns:



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# File 'lib/wavefront-cli/display/metric.rb', line 20

def no_data?
  data.empty? || data.hosts.empty?
end