class Gleis::SSH
This class manages the SSH
config and keys on the client side
Public Class Methods
add_host_to_config(host_name, private_key_file)
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# File lib/gleis/ssh.rb, line 27 def self.add_host_to_config(host_name, private_key_file) config_file = File.join(Dir.home, '.ssh', 'config') ssh_host_line = "Host #{host_name}" # Do not continue if host already exists in current SSH config file return if File.exist?(config_file) && Utils.line_exists_in_file(config_file, ssh_host_line) f = File.open(config_file, 'a') f.puts "\n# Added by Gleis CLI on #{Time.now.strftime('%Y-%m-%d %H:%M')}" f.puts ssh_host_line f.puts "\tIdentityFile #{private_key_file}" f.close end
generate_key(key_file, username)
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# File lib/gleis/ssh.rb, line 6 def self.generate_key(key_file, username) return if File.exist?(key_file) puts 'Could not find an existing public/private key pair' return unless Utils.prompt_yes_no('Would you like to generate one now?') hostname = Socket.gethostname datetime = Time.now.strftime('%Y-%m-%d %H:%M') # returns true on success and nil if command is not found or failed if Utils.which('ssh-keygen') system('ssh-keygen', '-f', key_file, '-b 4096', "-Cgenerated by Gleis CLI for #{username} by #{ENV['USER']}@#{hostname} on #{datetime}") else puts 'The SSH key generator command ssh-keygen is not installed on this system.' end end
load_public_key(public_key_file)
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# File lib/gleis/ssh.rb, line 23 def self.load_public_key(public_key_file) return File.read(public_key_file).chomp if File.exist?(public_key_file) end