Contents

#!/usr/bin/env ruby

require 'choice'
$LOAD_PATH.unshift File.join(File.dirname(__FILE__), '..', 'lib')
require 'nagios-herald'

program_name = File.basename($0)

Choice.options do
  header ""
  header "#{program_name} is used to generate images from Graphite URIs."
  header ""
  header "It takes a URI from which to generate a Graphite image."
  header "Optionally, an historical graph can be generated to compare to the first."
  header "The script outputs the full path for each of the images that have been written."
  header ""

  option :historical_graph do
    short "-h"
    long  "--historical-graph"
    desc  "Generate an historical graph to compare to the original image (i.e. past 24-hour period)."
    default false
  end

  option :path do
    short "-p"
    long  "--path"
    desc  "An optional path in which to write the image files."
    desc  "DEFAULT: /tmp"
    default "/tmp"
  end

  option :uri, :required => true do
    short "-u"
    long  "--uri"
    desc  "The URI from which to generate an image."
  end

  footer ""
  footer "EXAMPLES"
  footer "--------"
  footer "1. Passing a URI to #{program_name}:"
  footer ""
  footer "#{program_name} -u \"http://graphite.example.com/render/?target=mysql.connections.count\""
  footer ""
  footer "2. Passing a URI to #{program_name} and generating an historical graph:"
  footer ""
  footer "#{program_name} -u \"http://graphite.example.com/render/?target=mysql.connections.count\" -h"
  footer ""
end

historical_graph = true if Choice[:historical_graph]
path = Choice[:path]
uri = Choice[:uri]

graphite = NagiosHerald::Helpers::GraphiteGraph.new
image_paths = graphite.get_graph(uri, path, historical_graph)
puts image_paths.join(", ") if image_paths

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
nagios-herald-0.0.4	bin/get_graphite_graph
nagios-herald-0.0.3	bin/get_graphite_graph
nagios-herald-0.0.2	bin/get_graphite_graph