Class: PingdomToGraphite::CLI

Inherits:
Thor
  • Object
show all
Defined in:
lib/pingdom-to-graphite/cli.rb

Instance Method Summary collapse

Instance Method Details

#advice ⇒ Object 



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# File 'lib/pingdom-to-graphite/cli.rb', line 78

def advice
  load_config!
  total_checks = @config["pingdom"]["checks"].count
  calls_per_check = 2 + (total_checks)
  puts "You have #{total_checks} monitored checks. Given a 48000/day API limit:"
  every_minutes = 5
  begin
    daily_calls = 60*24 / every_minutes * calls_per_check
    puts "Every #{every_minutes} Minutes: #{daily_calls}/day - #{daily_calls < 48000 ? "WORKS" : "won't work"}"
    every_minutes += 5
  end until (daily_calls < 48000)
end

#backfill(check_id) ⇒ Object 



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# File 'lib/pingdom-to-graphite/cli.rb', line 164

def backfill(check_id)
  load_config!
  load_state!
  # Check the state file
  if @state.has_key?(check_id) && @state[check_id].has_key?("earliest_ts")
    earliest_ts = @state[check_id.to_s]["earliest_ts"]
  else
    error("You can't backfill a check you've never run an update on.")
  end
  load_probe_list!
  load_check_list!
  datapull = get_datapull
  chunk = 10
  unless limit = options.limit
    limit = ask("You have #{datapull.effective_limit} API calls remaining. How many would you like to use?").to_i
  end
  created_ts = datapull.check(check_id).created

  # Keep within the API limits
  working_towards = (earliest_ts - created_ts) > 2678400 ? 31.days.ago.to_i : created_ts
  puts "Backfilling from #{Time.at(earliest_ts)} working towards #{Time.at(working_towards)}. Check began on #{Time.at(created_ts)}"
  # Break it into chunks
  additions = 0
  (limit.to_i.div(chunk)+1).times do
    batch_count = pull_and_push(check_id, working_towards, earliest_ts, chunk)
    puts "#{batch_count} metrics pushed in this batch." if options.verbose
    additions += batch_count
  end
  puts "#{additions} metrics sent to graphite for check #{check_id}."
end

#init ⇒ Object 



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# File 'lib/pingdom-to-graphite/cli.rb', line 31

def init
  config_path = File.expand_path(options.config)

  if File.exists?(config_path)
    error("Config file already exists. (#{options.config})")
  else

    # Make sure we have a directory to put the config in
    unless File.directory?(File.dirname(config_path))
      FileUtils.mkdir_p(File.dirname(config_path), :mode => 0700)
    end

    # A nice little defaults file.
    settings = {
      "pingdom"   => {
        "username"  => "YOUR_USERNAME",
        "password"  => "YOUR_PASSWORD",
        "key"       => "YOUR_API_KEY",
        "checks"    => ["CHECK_ID_1","CHECK_ID_2"]
      },
      "graphite"  => {
        "host"  => "YOUR_SERVER",
        "port"    => "2003",
        "prefix"  => "pingdom"
      }
    }
    File.open(File.expand_path(options.config),"w",0600) do |f|
      f.write(JSON.pretty_generate(settings))
    end

  end

end

#init_checks(check_regex = nil) ⇒ Object 



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# File 'lib/pingdom-to-graphite/cli.rb', line 66

def init_checks(check_regex=nil)
  @check_regex = check_regex
  load_config!
  load_check_list!
  @config["pingdom"]["checks"] = @checks.keys
  File.open(File.expand_path(options.config),"w",0600) do |f|
    f.write(JSON.pretty_generate(@config))
  end
  puts "Added #{@checks.count} checks to #{options.config}"
end

#list ⇒ Object 



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# File 'lib/pingdom-to-graphite/cli.rb', line 92

def list
  load_check_list!
  @checks.each do |check_id, check|
    puts "#{check.name} (#{check.id}) - #{check.status}"
  end
end

#probes ⇒ Object 



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# File 'lib/pingdom-to-graphite/cli.rb', line 100

def probes
  load_probe_list!
  @probes.each do |probe_id, probe|
    puts "#{probe.countryiso} - #{probe.city}"
  end
end

#results(check_id) ⇒ Object 



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# File 'lib/pingdom-to-graphite/cli.rb', line 118

def results(check_id)
  load_config!
  load_probe_list!
  start_time = (options.start_time) ? DateTime.parse(options.start_time).to_i : Time.now.to_i - 3600
  end_time = (options.end_time) ? DateTime.parse(options.end_time).to_i : Time.now.to_i
  if start_time - end_time > 2764800
    error("Date range must be less then 32 days.")
  end
  datapull = get_datapull
  datapull.results(check_id, start_time, end_time).each do |result|
    #<Pingdom::Result probeid: 33 time: 1343945109 status: "up" responsetime: 1103 statusdesc: "OK" statusdesclong: "OK">
    puts "#{Time.at(result.time)}: #{result.status} - #{result.responsetime}ms (#{@probes[result.probeid].name})"
  end
  puts datapull.friendly_limit
end

#update ⇒ Object 



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# File 'lib/pingdom-to-graphite/cli.rb', line 136

def update
  load_config!
  load_state!
  load_probe_list!
  load_check_list!
  datapull = get_datapull

  @config["pingdom"]["checks"].each do |check_id|
    puts "Check #{check_id}: " if options.verbose
    # Check the state file
    check_state = @state.has_key?(check_id.to_s) ? @state[check_id.to_s] : Hash.new
    latest_ts = check_state.has_key?("latest_ts") ? check_state["latest_ts"] : 1.hour.ago.to_i
    # API limits to 2764800 seconds, so we'll use that (minutes 30 seconds)
    limit_ts = 2764770.seconds.ago.to_i
    latest_ts = (latest_ts.to_i < limit_ts) ? limit_ts : latest_ts
    new_records = pull_and_push(check_id, latest_ts)
    puts "#{new_records} metrics sent to graphite for check #{check_id}."
  end
  puts datapull.friendly_limit
end