vagrant/plugins/commands/ssh/command.rb

91 lines
2.8 KiB
Ruby

require 'optparse'
module VagrantPlugins
module CommandSSH
class Command < Vagrant::Command::Base
def execute
options = {}
opts = OptionParser.new do |opts|
opts.banner = "Usage: vagrant ssh [vm-name] [-c command] [-- extra ssh args]"
opts.separator ""
opts.on("-c", "--command COMMAND", "Execute an SSH command directly.") do |c|
options[:command] = c
end
opts.on("-p", "--plain", "Plain mode, leaves authentication up to user.") do |p|
options[:plain_mode] = p
end
end
# Parse the options and return if we don't have any target.
argv = parse_options(opts)
return if !argv
# Parse out the extra args to send to SSH, which is everything
# after the "--"
ssh_args = ARGV.drop_while { |i| i != "--" }
ssh_args = ssh_args[1..-1]
options[:ssh_args] = ssh_args
# If the remaining arguments ARE the SSH arguments, then just
# clear it out. This happens because optparse returns what is
# after the "--" as remaining ARGV, and Vagrant can think it is
# a multi-vm name (wrong!)
argv = [] if argv == ssh_args
# Execute the actual SSH
with_target_vms(argv, :single_target => true) do |vm|
# Basic checks that are required for proper SSH
raise Vagrant::Errors::VMNotCreatedError if !vm.created?
raise Vagrant::Errors::VMInaccessible if !vm.state == :inaccessible
raise Vagrant::Errors::VMNotRunningError if vm.state != :running
if options[:command]
ssh_execute(vm, options[:command])
else
opts = {
:plain_mode => options[:plain_mode],
:extra_args => options[:ssh_args]
}
ssh_connect(vm, opts)
end
end
# Success, exit status 0
0
end
protected
def ssh_execute(vm, command=nil)
exit_status = 0
@logger.debug("Executing command: #{command}")
exit_status = vm.channel.execute(command, :error_check => false) do |type, data|
# Determine the proper channel to send the output onto depending
# on the type of data we are receiving.
channel = type == :stdout ? :out : :error
# Print the SSH output as it comes in, but don't prefix it and don't
# force a new line so that the output is properly preserved
vm.ui.info(data.to_s,
:prefix => false,
:new_line => false,
:channel => channel)
end
# Exit with the exit status we got from executing the command
exit exit_status
end
def ssh_connect(vm, opts)
@logger.debug("`exec` into ssh prompt")
vm.ssh.exec(opts)
end
end
end
end