diff options
Diffstat (limited to 'lib/leap_cli/util/remote_command.rb')
-rw-r--r-- | lib/leap_cli/util/remote_command.rb | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/lib/leap_cli/util/remote_command.rb b/lib/leap_cli/util/remote_command.rb deleted file mode 100644 index c2f1ace..0000000 --- a/lib/leap_cli/util/remote_command.rb +++ /dev/null @@ -1,158 +0,0 @@ -module LeapCli; module Util; module RemoteCommand - extend self - - # - # FYI - # Capistrano::Logger::IMPORTANT = 0 - # Capistrano::Logger::INFO = 1 - # Capistrano::Logger::DEBUG = 2 - # Capistrano::Logger::TRACE = 3 - # - def ssh_connect(nodes, options={}, &block) - options ||= {} - node_list = parse_node_list(nodes) - - cap = new_capistrano - cap.logger = LeapCli::Logger.new(:level => [LeapCli.logger.log_level,3].min) - user = options[:user] || 'root' - cap.set :user, user - cap.set :ssh_options, ssh_options # ssh options common to all nodes - cap.set :use_sudo, false # we may want to change this in the future - - # Allow password authentication when we are bootstraping a single node - # (and key authentication fails). - if options[:bootstrap] && node_list.size == 1 - hostname = node_list.values.first.name - 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.domain.full, :dummy_arg, node_options(node, options[:ssh_options]) - end - - yield cap - rescue Capistrano::ConnectionError => exc - # not sure if this will work if english is not the locale?? - if exc.message =~ /Too many authentication failures/ - at_exit {ssh_config_help_message} - end - raise exc - end - - private - - # - # For available options, see http://net-ssh.github.com/net-ssh/classes/Net/SSH.html#method-c-start - # - # Capistrano has some very evil behavior in it's ssh.rb: - # - # ssh_options = Net::SSH.configuration_for( - # server.host, ssh_options.fetch(:config, true) - # ).merge(ssh_options) - # # Once we've loaded the config, we don't need Net::SSH to do it again. - # ssh_options[:config] = false - # - # Net:SSH is supposed to call Net::SSH.configuration_for, but Capistrano is doing it - # in advance and then disabling loading of configs. - # - # The result of this is the following: if you have IdentityFile in your ~/.ssh/config - # file, then the above code will transform the ssh_options by reading ~/.ssh/config - # and adding the keys specified via IdentityFile to ssh_options... - # AND IT WILL SET :keys_only TO TRUE. - # - # The problem is that :keys_only will disable Net:SSH's ability to use ssh-agent. - # With :keys_only set to true, it will not consult the ssh-agent at all. - # - # So nice of capistrano to parse ~/.ssh/config for us, but then add flags to the - # ssh_options that prevent's these options from being useful. - # - # The current hackaround is to force :keys_only to be false. This allows the config - # to be read and also allows ssh-agent to still be used. - # - def ssh_options - { - :keys_only => false, # Don't you dare change this. - :global_known_hosts_file => path(:known_hosts), - :user_known_hosts_file => '/dev/null', - :paranoid => true, - :verbose => net_ssh_log_level - } - end - - def net_ssh_log_level - if DEBUG - case LeapCli.logger.log_level - when 1 then 3 - when 2 then 2 - when 3 then 1 - else 0 - end - else - nil - end - end - - # - # For notes on advanced ways to set server-specific options, see - # http://railsware.com/blog/2011/11/02/advanced-server-definitions-in-capistrano/ - # - # if, in the future, we want to do per-node password options, it would be done like so: - # - # password_proc = Proc.new {Capistrano::CLI.password_prompt "Root SSH password for #{node.name}"} - # return {:password => password_proc} - # - def node_options(node, ssh_options_override=nil) - { - :ssh_options => { - # :host_key_alias => node.name, << incompatible with ports in known_hosts - :host_name => node.ip_address, - :port => node.ssh.port - }.merge(contingent_ssh_options_for_node(node)).merge(ssh_options_override||{}) - } - end - - def new_capistrano - # load once the library files - @capistrano_enabled ||= begin - require 'capistrano' - require 'capistrano/cli' - require 'leap_cli/lib_ext/capistrano_connections' - require 'leap_cli/remote/leap_plugin' - require 'leap_cli/remote/puppet_plugin' - require 'leap_cli/remote/rsync_plugin' - Capistrano.plugin :leap, LeapCli::Remote::LeapPlugin - Capistrano.plugin :puppet, LeapCli::Remote::PuppetPlugin - Capistrano.plugin :rsync, LeapCli::Remote::RsyncPlugin - 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 contingent_ssh_options_for_node(node) - opts = {} - if node.vagrant? - opts[:keys] = [vagrant_ssh_key_file] - opts[:keys_only] = true # only use the keys specified above, and ignore whatever keys the ssh-agent is aware of. - opts[:paranoid] = false # we skip host checking for vagrant nodes, because fingerprint is different for everyone. - if LeapCli.logger.log_level <= 1 - opts[:verbose] = :error # suppress all the warnings about adding host keys to known_hosts, since it is not actually doing that. - end - end - if !node.supported_ssh_host_key_algorithms.empty? - opts[:host_key] = node.supported_ssh_host_key_algorithms - end - return opts - end - -end; end; end
\ No newline at end of file |