class Solano::Ssh

Public Class Methods

generate_keypair(name, output_dir) click to toggle source
# File lib/solano/ssh.rb, line 28
def generate_keypair(name, output_dir)
  filename = File.expand_path(File.join(output_dir, "identity.solano.#{name}"))
  pub_filename = filename + ".pub"
  if File.exists?(filename) then
    raise SolanoError.new(Text::Error::KEY_ALREADY_EXISTS % filename)
  end
  cmd = "ssh-keygen -q -t rsa -P '' -C 'solano.#{name}' -f #{filename}"
  exit_failure Text::Error::KEYGEN_FAILED % name unless system(cmd)
  {:name=>name,
   :pub=>File.read(pub_filename), 
   :hostname=>`hostname`, 
   :fingerprint=>`ssh-keygen -lf #{pub_filename}`}
end
load_ssh_key(ssh_file, name) click to toggle source
# File lib/solano/ssh.rb, line 8
def load_ssh_key(ssh_file, name)
  begin
    data = File.open(File.expand_path(ssh_file)) {|file| file.read}
  rescue Errno::ENOENT => e
    raise SolanoError.new(Text::Error::INACCESSIBLE_SSH_PUBLIC_KEY % [ssh_file, e])
  end

  if data =~ /^-+BEGIN \S+ PRIVATE KEY-+/ then
    raise SolanoError.new(Text::Error::INVALID_SSH_PUBLIC_KEY % ssh_file)
  end
  if data !~ /^\s*ssh-(dss|rsa)/ && data !~ /^\s*ecdsa-/ then
    raise SolanoError.new(Text::Error::INVALID_SSH_PUBLIC_KEY % ssh_file)
  end

  {:name=>name,
   :pub=>data, 
   :hostname=>`hostname`, 
   :fingerprint=>`ssh-keygen -lf #{ssh_file}`}
end
validate_keys(name, path, solano_api, generate_new_key = false) click to toggle source
# File lib/solano/ssh.rb, line 42
def validate_keys(name, path, solano_api, generate_new_key = false)
  keys_details, keydata = solano_api.get_keys, nil

  # key name should be unique
  if keys_details.count{|x|x['name'] == name} > 0
    abort Text::Error::ADD_KEYS_DUPLICATE % name
  end

  if !generate_new_key then
    # check out key's content uniqueness
    keydata = self.load_ssh_key(path, name)
    duplicate_keys = keys_details.select{|key| key['pub'] == keydata[:pub] }
    if !duplicate_keys.empty? then
      abort Text::Error::ADD_KEY_CONTENT_DUPLICATE % duplicate_keys.first['name']
    end
  else
    # generate new key
    keydata = self.generate_keypair(name, path)
  end

  keydata
end