myGrid/t2-server-gem

#!/usr/bin/env ruby
# Copyright (c) 2010-2013 The University of Manchester, UK.
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# Author: Robert Haines

require 'rubygems'
require 't2-server-cli'

include T2Server::CLI

# set up options
options = { :list => 0 }
conn_params, creds = register_options("Usage: t2-server-info [options] " +
  "server-address") do |opt|
  opt.separator "  Where server-address is the full URI of the server to"
  opt.separator "  connect to, e.g.: http://example.com:8080/taverna"
  opt.separator "  and [options] can be:"

  opt.on("-l", "--list", "List details for the runs on this server. Repeat "\
    "(e.g. -ll or -lll) to increase the amount of detail shown.") do
    options[:list] += 1
  end
end

if options[:list] > 0
  begin
    require 'hirb'
  rescue LoadError
    puts "\n****\nTo tabulate run information in your terminal the hirb gem "\
      "must be installed:\n\n$ gem install hirb\n\nRun information will not "\
      "be shown this time, sorry.\n****\n\n"
    options[:list] = 0
  end
end

# read and check server address and credentials
uri, creds = parse_address(ARGV.shift, creds)

# connect to server and output information
begin
  T2Server::Server.new(uri, conn_params) do |server|
    puts "     Server: #{server.uri}"
    puts "    Version: #{server.version}"
    puts "  Run limit: #{server.run_limit(creds)}"
    runs = server.runs(creds)
    puts "No. of runs: #{runs.length}"
    if options[:list] > 0 && runs.length > 0
      if options[:list] == 1
        fields = [:identifier]
        headers = {:identifier => 'Run ID'}
        lengths = {}
      elsif options[:list] == 2
        fields = [:identifier, :status, :expiry]
        headers = {:identifier => 'Run ID', :status => 'Status',
          :expiry => 'Expiry time (local)'}
        lengths = {:status => 11, :expiry => 19}
      else
        fields = [:identifier, :name, :status, :expiry]
        headers = {:identifier => 'Run ID', :name => "Name",
          :status => 'Status', :expiry => 'Expiry time (local)'}
        lengths = {:identifier => 11, :name => 25, :status => 11,
          :expiry => 19}
      end

      puts Hirb::Helpers::ObjectTable.render(runs,
        :fields => fields,
        :headers => headers,
        :filters => {:expiry => [:strftime, "%H:%M:%S %d/%m/%Y"]},
        :max_fields => lengths,
        :description => false)
    end
  end
rescue RuntimeError => e
  puts e
  exit 1
end