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module LeapCli; module Commands
extend self
extend LeapCli::Util
def path(name)
Path.named_path(name)
end
#
# keeps prompting the user for a numbered choice, until they pick a good one or bail out.
#
# block is yielded and is responsible for rendering the choices.
#
def numbered_choice_menu(msg, items, &block)
while true
say("\n" + msg + ':')
items.each_with_index &block
say("q. quit")
index = ask("number 1-#{items.length}> ")
if index.empty?
next
elsif index =~ /q/
bail!
else
i = index.to_i - 1
if i < 0 || i >= items.length
bail!
else
return i
end
end
end
end
#
#
#
# FYI
# Capistrano::Logger::IMPORTANT = 0
# Capistrano::Logger::INFO = 1
# Capistrano::Logger::DEBUG = 2
# Capistrano::Logger::TRACE = 3
#
def ssh_connect(nodes, options={}, &block)
node_list = parse_node_list(nodes)
cap = new_capistrano
cap.logger.level = LeapCli.log_level
user = options[:user] || 'root'
cap.set :user, user
cap.set :ssh_options, ssh_options
cap.set :use_sudo, false # we may want to change this in the future
# # supply drop options
# cap.set :puppet_source, [Path.platform, 'puppet'].join('/')
# cap.set :puppet_destination, '/root/leap'
# #cap.set :puppet_command, 'puppet apply'
# cap.set :puppet_lib, "puppet/modules"
# cap.set :puppet_parameters, '--confdir=puppet puppet/manifests/site.pp'
# #cap.set :puppet_stream_output, false
# #puppet apply --confdir=puppet puppet/manifests/site.pp | grep -v 'warning:.*is deprecated'
# #puppet_cmd = "cd #{puppet_destination} && #{sudo_cmd} #{puppet_command} --modulepath=#{puppet_lib} #{puppet_parameters}"
#
# allow password authentication when we are bootstraping a single node.
#
if options[:bootstrap] && node_list.size == 1
hostname = node_list.values.first.name
# the 'password' block is only called if key auth fails
if options[:echo]
cap.set(:password) { ask "Root SSH password for #{user}@#{hostname}> " }
else
cap.set(:password) { Capistrano::CLI.password_prompt " * Typed password will be hidden (use --echo to make it visible)\nRoot SSH password for #{user}@#{hostname}> " }
end
end
node_list.each do |name, node|
cap.server node.name, :dummy_arg, node_options(node)
end
yield cap
end
private
#
# For available options, see http://net-ssh.github.com/net-ssh/classes/Net/SSH.html#method-c-start
#
def ssh_options
{
:config => false,
:global_known_hosts_file => path(:known_hosts),
:paranoid => true
}
end
#
# For notes on advanced ways to set server-specific options, see
# http://railsware.com/blog/2011/11/02/advanced-server-definitions-in-capistrano/
#
def node_options(node)
#password_proc = Proc.new {Capistrano::CLI.password_prompt "Root SSH password for #{node.name}"} # only called if needed
{
#:password => password_proc,
:ssh_options => {
:host_key_alias => node.name,
:host_name => node.ip_address,
:port => node.ssh.port
}
}
end
def new_capistrano
# load once the library files
@capistrano_enabled ||= begin
require 'capistrano'
require 'capistrano/cli'
require 'leap_cli/remote/plugin'
Capistrano.plugin :leap, LeapCli::Remote::Plugin
true
end
# create capistrano instance
cap = Capistrano::Configuration.new
# add tasks to capistrano instance
cap.load File.dirname(__FILE__) + '/../remote/tasks.rb'
return cap
end
def parse_node_list(nodes)
if nodes.is_a? Config::Object
Config::ObjectList.new(nodes)
elsif nodes.is_a? Config::ObjectList
nodes
elsif nodes.is_a? String
manager.filter!(nodes)
else
bail! "argument error"
end
end
end; end
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