Module: Webbynode::SshKeys

Defined in:
lib/webbynode/ssh_keys.rb

Instance Method Summary collapse

Instance Method Details

#add_key_to_remote(key) ⇒ Object

adds a given key string to a remote server, creating the key folder structure if needed



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# File 'lib/webbynode/ssh_keys.rb', line 5

def add_key_to_remote(key)
  run_remote_command "mkdir ~/.ssh 2>/dev/null; chmod 700 ~/.ssh; echo \"#{key}\" >> ~/.ssh/authorized_keys; chmod 644 ~/.ssh/authorized_keys"
end

#add_key_to_remote_user(key, folder) ⇒ Object 



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# File 'lib/webbynode/ssh_keys.rb', line 9

def add_key_to_remote_user(key, folder)
  run_remote_command "mkdir #{folder}/.ssh 2>/dev/null; chmod 700 #{folder}/.ssh; echo \"#{key}\" >> #{folder}/.ssh/authorized_keys; chmod 644 #{folder}/.ssh/authorized_keys"
end

#create_local_key(passphrase = "") ⇒ Object

creates the local key with an optional passphrase



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# File 'lib/webbynode/ssh_keys.rb', line 31

def create_local_key(passphrase="")
  run "ssh-keygen -t rsa -N \"#{passphrase}\" -f #{local_key_file}"
end

#local_key(create_when_missing = true) ⇒ Object 



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# File 'lib/webbynode/ssh_keys.rb', line 35

def local_key(create_when_missing=true)
  create_local_key(named_options["passphrase"]) if create_when_missing and !File.exists?(local_key_file)
  @local_key ||= File.read(local_key_file) 
end

#local_key_file ⇒ Object

name of the local publish ssh key file



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# File 'lib/webbynode/ssh_keys.rb', line 26

def local_key_file
  "#{ENV['HOME']}/.ssh/id_rsa.pub"
end

#remote_authorized_keys ⇒ Object

lists all authorized keys on the remote server



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# File 'lib/webbynode/ssh_keys.rb', line 14

def remote_authorized_keys
  run_remote_command "cat \$HOME/.ssh/authorized_keys"
end

#remote_has_key?(key) ⇒ Boolean

checks if a remote server has a given key

Returns:

  • (Boolean) 


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# File 'lib/webbynode/ssh_keys.rb', line 19

def remote_has_key?(key)
  if keys = remote_authorized_keys
    keys.index(key) 
  end
end