Module: Veewee::Provider::Core::Helper::Ssh
- Included in:
- Box
- Defined in:
- lib/veewee/provider/core/helper/ssh.rb
Instance Method Summary collapse
- #build_ssh_options ⇒ Object
- #ssh_connection(host, options, defaults = {}, &block) ⇒ Object
- #ssh_execute(host, command, options = { :progress => "on"}) ⇒ Object
- #ssh_key_to_a(ssh_key) ⇒ Object
- #ssh_transfer_file(host, filename, destination = '.', options = {}) ⇒ Object
-
#tcp_test_ssh(hostname, port, timeout = 2) ⇒ Object
nonblocking ssh connection check.
- #when_ssh_login_works(ip = "127.0.0.1", options = { }, &block) ⇒ Object
Instance Method Details
#build_ssh_options ⇒ Object
29 30 31 32 33 34 35 36 37 38 |
# File 'lib/veewee/provider/core/helper/ssh.rb', line 29 def ={ :user => definition.ssh_user, :port => 22, :password => definition.ssh_password, :timeout => definition.ssh_login_timeout.to_i } [:keys] = ssh_key_to_a(definition.ssh_key) if definition.ssh_key return end |
#ssh_connection(host, options, defaults = {}, &block) ⇒ Object
217 218 219 220 221 222 223 224 225 226 227 |
# File 'lib/veewee/provider/core/helper/ssh.rb', line 217 def ssh_connection(host, , defaults={}, &block) =defaults.merge() ={ :auth_methods => %w[ password publickey keyboard-interactive ], :paranoid => false }.merge() =Hash[ .select { |key, value| Net::SSH::VALID_OPTIONS.include?(key) } ] Net::SSH.start( host, [:user], ) do |ssh| yield ssh end end |
#ssh_execute(host, command, options = { :progress => "on"}) ⇒ Object
140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 |
# File 'lib/veewee/provider/core/helper/ssh.rb', line 140 def ssh_execute(host,command, = { :progress => "on"} ) defaults= { :port => "22", :exitcode => "0", :user => "root"} =defaults.merge() pid="" stdin=command stdout="" stderr="" status=-99999 unless [:mute] ui.info "Executing command: #{command}" end ssh_connection( host, ) do |ssh| # open a new channel and configure a minimal set of callbacks, then run # the event loop until the channel finishes (closes) channel = ssh.open_channel do |ch| #request pty for sudo stuff and so ch.request_pty do |ch, success| raise "Error requesting pty" unless success end ch.exec "#{command}" do |ch, success| raise "could not execute command" unless success # "on_data" is called when the process writes something to stdout ch.on_data do |c, data| stdout+=data ui.info(data, :new_line => false) unless [:mute] end # "on_extended_data" is called when the process writes something to stderr # NOTE: When requesting a pty (ch.request_pty), everything goes to stdout ch.on_extended_data do |c, type, data| stderr+=data ui.info(data, :new_line => false) unless [:mute] end #exit code #http://groups.google.com/group/comp.lang.ruby/browse_thread/thread/a806b0f5dae4e1e2 channel.on_request("exit-status") do |ch, data| exit_code = data.read_long status=exit_code if exit_code > 0 ui.info "ERROR: exit code #{exit_code}" unless [:mute] else #ui.info "Successfully executed" end end channel.on_request("exit-signal") do |ch, data| ui.info "SIGNAL: #{data.read_long}" unless [:mute] end ch.on_close { #ui.info "done!" } #status=ch.exec "echo $?" end end channel.wait end if (status.to_s != [:exitcode] ) if ([:exitcode]=="*") #its a test so we don't need to worry else raise Veewee::Provider::Core::Helper::SshResult.new(stdout,stderr,status), "Exitcode was not what we expected" end end return Veewee::Provider::Core::Helper::SshResult.new(stdout,stderr,status) end |
#ssh_key_to_a(ssh_key) ⇒ Object
40 41 42 43 44 45 |
# File 'lib/veewee/provider/core/helper/ssh.rb', line 40 def ssh_key_to_a(ssh_key) case ssh_key when "" then [] else Array(ssh_key) end end |
#ssh_transfer_file(host, filename, destination = '.', options = {}) ⇒ Object
127 128 129 130 131 132 133 134 135 136 137 |
# File 'lib/veewee/provider/core/helper/ssh.rb', line 127 def ssh_transfer_file(host,filename,destination = '.' , = {}) ssh_connection( host, ) do |ssh| ui.info "Transferring #{filename} to #{destination} " ssh.scp.upload!( filename, destination ) do |ch, name, sent, total| # print "\r#{destination}: #{(sent.to_f * 100 / total.to_f).to_i}%" env.ui.info ".",{:new_line => false , :prefix => false} end end ui.info "", {:prefix => false} end |
#tcp_test_ssh(hostname, port, timeout = 2) ⇒ Object
nonblocking ssh connection check
48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 |
# File 'lib/veewee/provider/core/helper/ssh.rb', line 48 def tcp_test_ssh(hostname, port, timeout = 2) addr = Socket.getaddrinfo(hostname, nil) sockaddr = Socket.pack_sockaddr_in(port, addr[0][3]) Socket.new(Socket.const_get(addr[0][0]), Socket::SOCK_STREAM, 0).tap do |socket| socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1) begin socket.connect_nonblock(sockaddr) rescue IO::WaitWritable if IO.select(nil, [socket], nil, timeout) begin result = socket.connect_nonblock(sockaddr) if result == 0 socket.close return true end rescue Errno::EISCONN socket.close return true rescue socket.close return false end else socket.close return false end end end false end |
#when_ssh_login_works(ip = "127.0.0.1", options = { }, &block) ⇒ Object
82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 |
# File 'lib/veewee/provider/core/helper/ssh.rb', line 82 def when_ssh_login_works(ip="127.0.0.1", = { } , &block) defaults={ :port => '22', :timeout => 20000 } =defaults.merge() timeout = [:timeout] timeout = ENV['VEEWEE_TIMEOUT'].to_i unless ENV['VEEWEE_TIMEOUT'].nil? unless [:mute] ui.info "Waiting for ssh login on #{ip} with user #{options[:user]} to sshd on port => #{options[:port]} to work, timeout=#{timeout} sec" end run_hook(:before_ssh) begin Timeout::timeout(timeout) do connected=false while !connected do begin env.ui.info ".",{:new_line => false , :prefix => false} unless [:mute] if tcp_test_ssh(ip, [:port]) then ssh_connection(ip, , :timeout => timeout ) do |ssh| ui.info "\n", {:prefix => false} unless [:mute] block.call(ip); return true end else sleep 5 end rescue Net::SSH::Disconnect, Errno::ECONNREFUSED, Errno::EHOSTUNREACH, Errno::ECONNABORTED, Errno::ECONNRESET, Errno::ENETUNREACH, Errno::ETIMEDOUT sleep 5 end end end rescue IOError ui.info "Received a disconnect; moving on" sleep 5 rescue Timeout::Error raise Veewee::Error, "Ssh timeout #{timeout} sec has been reached." end ui.info "" return false end |