# File lib/fog/core/ssh.rb, line 34 def initialize(address, username, options) require 'net/ssh' key_manager = Net::SSH::Authentication::KeyManager.new(nil, options) unless options[:key_data] || options[:keys] || options[:password] || key_manager.agent raise ArgumentError.new(':key_data, :keys, :password or a loaded ssh-agent is required to initialize SSH') end @address = address @username = username @options = { :paranoid => false }.merge(options) end
# File lib/fog/core/ssh.rb, line 48 def run(commands) commands = [*commands] results = [] begin Net::SSH.start(@address, @username, @options) do |ssh| commands.each do |command| result = Result.new(command) ssh.open_channel do |ssh_channel| ssh_channel.request_pty ssh_channel.exec(command) do |channel, success| unless success raise "Could not execute command: #{command.inspect}" end channel.on_data do |ch, data| result.stdout << data end channel.on_extended_data do |ch, type, data| next unless type == 1 result.stderr << data end channel.on_request('exit-status') do |ch, data| result.status = data.read_long end channel.on_request('exit-signal') do |ch, data| result.status = 255 end end end ssh.loop results << result end end rescue Net::SSH::HostKeyMismatch => exception exception.remember_host! sleep 0.2 retry end results end
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