Class: Hotdog::Commands::Pssh

Inherits:
Search show all
Defined in:
lib/hotdog/commands/pssh.rb

Constant Summary

Constants inherited from BaseCommand

BaseCommand::MASK_DATABASE, BaseCommand::MASK_QUERY, BaseCommand::PERSISTENT_DB

Instance Attribute Summary

Attributes inherited from Search

#remote_command

Attributes inherited from BaseCommand

#application, #logger, #options

Instance Method Summary collapse

Methods inherited from Search

#evaluate, #get_hosts_with_search_tags, #parse, #parse_options

Methods inherited from BaseCommand

#execute, #fixed_string?, #initialize, #parse_options, #reload

Constructor Details

This class inherits a constructor from Hotdog::Commands::BaseCommand

Instance Method Details

#define_options(optparse, options = {}) ⇒ Object 



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# File 'lib/hotdog/commands/pssh.rb', line 12

def define_options(optparse, options={})
  options[:options] = []
  options[:user] = nil
  options[:port] = nil
  options[:identity_file] = nil
  options[:forward_agent] = false
  options[:max_parallelism] = nil
  options[:color] = :auto

  optparse.on("-o SSH_OPTION", "Passes this string to ssh command through shell. This option may be given multiple times") do |option|
    options[:options] += [option]
  end
  optparse.on("-i SSH_IDENTITY_FILE", "SSH identity file path") do |path|
    options[:identity_file] = path
  end
  optparse.on("-A", "Enable agent forwarding", TrueClass) do |b|
    options[:forward_agent] = b
  end
  optparse.on("-p PORT", "Port of the remote host", Integer) do |port|
    options[:port] = port
  end
  optparse.on("-u SSH_USER", "SSH login user name") do |user|
    options[:user] = user
  end
  optparse.on("-P PARALLELISM", "Max parallelism", Integer) do |n|
    options[:max_parallelism] = n
  end
  optparse.on("-v", "--verbose", "Enable verbose ode") do |v|
    options[:verbose] = v
  end
  optparse.on("--color=WHEN", "--colour=WHEN", "Enable colors") do |color|
    options[:color] = color
  end
end

#run(args = [], options = {}) ⇒ Object 



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# File 'lib/hotdog/commands/pssh.rb', line 47

def run(args=[], options={})
  expression = args.join(" ").strip
  if expression.empty?
    # return everything if given expression is empty
    expression = "*"
  end

  begin
    node = parse(expression)
  rescue Parslet::ParseFailed => error
    STDERR.puts("syntax error: " + error.cause.ascii_tree)
    exit(1)
  end

  result0 = evaluate(node, self)
  if 0 < result0.length
    exec_command(result0, options)
  else
    STDERR.puts("no match found: #{expression}")
    exit(1)
  end
end