Class: SSH::Manager::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/ssh/manager/cli.rb

Constant Summary collapse

DATABASE = 
SSH::Manager::Database.new

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Cli

Returns a new instance of Cli.



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# File 'lib/ssh/manager/cli.rb', line 15

def initialize(opts = {})
  @options = opts
  @pretty_names = {:id => "ID", #TODO :connect_via
                   :ip => "IP or hostname",
                   :user => "Username",
                   :hostname => "Alias",
                   :port => "Port",
                   :note => "Note",
                   :options => "Options",
                   :group => "Group",
                   :connect_via => "Connect via (id)"}
  @visible_fields = [:id, :ip, :group, :note]
  @input_fields = [:ip, :hostname, :user, :port, :options, :note, :group, :connect_via]
  @column_width = 15 #TODO make this dynamic or a yaml setting
end

Instance Method Details

#add_connection ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 193

def add_connection
  connection = {:user => ENV['USER'],
                :port => "22"}
  @input_fields.each do |key|
    #TODO make this a method
    connection[key] = %x{source #{File.dirname(__FILE__)}/ask.sh; ask '#{@pretty_names[key]}' '#{connection[key]}'}.chomp
  end
  connection[:count] = 0
  connection[:created_at] = Time.now.to_s
  connection[:last_time] = Time.now.to_s
  connection[:connect_via] = nil if connection[:connect_via] == ""
  DATABASE.add_new_connection(connection)
  #TODO catch SQLite3::ConstraintException
end

#check_connection_type(connection) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 31

def check_connection_type(connection)
  if connection.class == String
    "hostname"
  else
    "ip"
  end
end

#connect_to(id) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 39

def connect_to(id)
  id.each do |conn|
    conn.to_i
    ssh_command = ""
    i = conn
    begin
      connection = DATABASE.get_connection_by_id(i)
      ip = connection[:ip]
      user = connection[:user]
      user = ENV['USER'] if user == ""
      options = connection[:options]
      via = connection[:connect_via]
      ssh_command = "ssh -A -t #{options} #{user}@#{ip} #{ssh_command}"
      i = via
      #TODO prevent endless via-loops
    end while via
    connection[:count] += 1
    connection[:last_time] = Time.now
    DATABASE.update_connection(connection)
    if CONFIG['target'] == "self"
      exec ssh_command
    elsif CONFIG['terminal'] == "xfce4-terminal" || CONFIG['terminal'] == "gnome-terminal"
      if CONFIG['tabbed'] == 'true'
        command = "--title=#{user}@#{ip} --tab --command="
      else
        command = "--title=#{user}@#{ip} --command="
      end
      #TODO: add title --title='connection name to identify '
      #TODO: bug when no terminal is open => wants to open 2 terms
      #TODO: dnslookup
      %x(#{CONFIG['terminal']} #{command}"#{ssh_command}")
    elsif CONFIG['terminal'] == "xterm" || CONFIG['terminal'] == "urxvt"
      %x(#{CONFIG['terminal']} -e "#{ssh_command}")
    else
      puts "We dont support #{CONFIG['terminal']} right now"
      puts 'Check Github for further development or contributing'
    end
  end
  #TODO: if db[secure_login] = false => http://linuxcommando.blogspot.de/2008/10/how-to-disable-ssh-host-key-checking.html
end

#delete(id) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 208

def delete(id)
  id.each do |conn|
    DATABASE.delete_connection(conn.to_i)
  end
end

#execute_command(id) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 132

def execute_command(id)
  # id.first should be the command
  cmd = id.shift
  id.each do |con|
    connection = DATABASE.get_connection_by_id(con.to_i)
    if connection[:connect_via]
      connect_via = DATABASE.get_connection_by_id(connection[:connect_via])
      ssh = "ssh #{connect_via[:user]}@#{connect_via[:ip]}"
      system("#{ssh} #{cmd}")
    else
      ssh = "ssh #{connection[:user]}@#{connection[:ip]}"
      system("#{ssh} #{cmd}")
    end
  end
end

#list_all ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 214

def list_all
  connections = DATABASE.get_connection_data
  @visible_fields.each { |f| printf "%-#{@column_width}s", @pretty_names[f] }
  puts "\n"
  connections.each do |c|
    @visible_fields.each { |f| printf "%-#{@column_width}s", c[f] }
    puts "\n"
  end
end

#multiple_connection(term) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 249

def multiple_connection(term)
  @cons = []
  DATABASE.search_for(term).each do |x|
    x.all.each do |dataset|
      @cons.push(dataset)
    end
  end
      # FAIL, first push everything in cons, then do the rest !
      puts "what yer gonna do?"
      options = {execute_command: 'execute_command', connect_to: 'connect', ping: 'ping', info: 'info', delete: 'delete'}
      comp = proc { |s| options.values.grep(/^#{Regexp.escape(s)}/) }
      #Readline.completion_append_character = " "
      Readline.completion_proc = comp
      puts options.values.to_s
      input= Readline.readline('> ', true)           
      ids = @cons.map {|x| x[:id].to_s}
      input = input.chomp.gsub(/\s+\Z/, "")
      case input
      when 'execute_command'
        # which commands
        print "command: "
        input = STDIN.gets.chomp
        ids.unshift(input)
        self.execute_command(ids)
        exit
      when 'connect'
        self.connect_to(ids)
        exit
      when 'ping'
        # exits after first ping
        self.ping(ids)
        exit
      when 'info'
        self.show_info(ids)
        exit
      when 'delete'
        self.delete(ids)
        exit
      else
        puts "That i dont know :/"
  end
end

#ping(id) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 119

def ping(id)
  id.each do |con|
  connection = DATABASE.get_connection_by_id(con.to_i)
  if connection[:connect_via]
    connect_via = DATABASE.get_connection_by_id(connection[:connect_via])
    ssh = "ssh #{connect_via[:user]}@#{connect_via[:ip]}"
    exec("#{ssh} ping #{connection[:ip]} -c 3")
  else
    exec("ping #{connection[:ip]} -c 3")
  end
  end
end

#search_for(term) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 237

def search_for(term)
  puts "All results for searchterm: #{term}"
  @visible_fields.each { |f| printf "%-#{@column_width}s", @pretty_names[f] }
  print "\n"
  DATABASE.search_for(term).each do |x|
    x.all.each do |cons|
      @visible_fields.each { |f| printf "%-#{@column_width}s", cons[f] }
      puts "\n"
    end
  end
end

#settings ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 153

def settings
  CONFIG.keys.each do |key|
    puts "#{key}=#{CONFIG[key]}"
  end
  possible_options ={terminal: %w(xfce4-terminal gnome-terminal urxvt),
                     deletion_interval: %w(never), tabbed: %w(true false),
                    self: %w(true false)}

  # change tabbed to mode %w(tabbed whatelse)
  print "Want to change? (y/n)"
  answer = STDIN.gets.chomp
  comp = proc { |s| possible_options.values.flatten.grep(/^#{Regexp.escape(s)}/) }
  Readline.completion_append_character = " "
  Readline.completion_proc = comp
  if answer == "y"
    CONFIG.keys.each do |key|
      puts "#{key}:".colorize(:green)
      puts "possible options are: #{possible_options[key.to_sym]}"
      puts "leave blank to not make any changes (TAB-Completion avalaible)"
      input = Readline.readline('> ', true)
      CONFIG[key] = input if input != ""
    end
    File.open(("#{File.join(ENV['HOME'])}/.config/sshm/settings.yml"),'w') do |h|
         h.write CONFIG.to_yaml
    end
  else
    exit
  end
end

#show_info(id) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 90

def show_info(id)
  @input_fields << :count
  @input_fields << :last_time
  id.each do |conn|
    connections = DATABASE.get_connection_by_id(conn.to_i)
    puts "\n"
    @input_fields.each do |field|
      if field == :connect_via && connections[field] != nil
        via_ip = DATABASE.get_connection_by_id(connections[field])[:ip]
        printf "%s: %s  -|-  %s ", field, connections[field], via_ip
      else
        printf "%s: %s", field, connections[field]
      end
      puts "\n"
    end
  end
end

#test(id) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 148

def test(id)
  require 'byebug'
  byebug
end

#transfer_file(filename, id = '', dest_path = "/home/#{user}/") ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 183

def transfer_file(filename, id='', dest_path="/home/#{user}/")
  #TODO connect_via
  #TODO options
  connection = DATABASE.get_connection_by_id(id)
  user = connection[:user]
  user = ENV['USER'] if user == ""
  %x(scp #{filename} #{user}@#{connection[:ip]}:#{dest_path}) if File.file?(filename)
  %x(scp -r #{filename} #{@user}@#{connection[:ip]}:#{dest_path}) if File.directory?(filename)
end

#transfer_key(id) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 108

def transfer_key(id)
  #TODO connect_via
  #TODO options
  id.each do |con|
    connection = DATABASE.get_connection_by_id(con.to_i)
    user = connection[:user]
    user = ENV['USER'] if user == ""
    %x(ssh-copy-id #{user}@#{connection[:ip]})
  end
end

#update(id) ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 224

def update(id)
  id.each do |con|
    connection = DATABASE.get_connection_by_id(con.to_i)
    @input_fields.each do |key|
      #TODO make this a method
      connection[key] = %x{source #{File.dirname(__FILE__)}/ask.sh; ask '#{@pretty_names[key]}' '#{connection[key]}'}.chomp
    end
    connection[:connect_via] = nil if connection[:connect_via] == ""
    DATABASE.update_connection(connection)
    #TODO catch SQLite3::ConstraintException
  end
end

#update_available ⇒ Object 



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# File 'lib/ssh/manager/cli.rb', line 80

def update_available
  new_version =%x(gem search ssh-manager).split(' ')[1].gsub /\((.*)\)/, '\1'
  old_version = SSH::Manager::VERSION
  if new_version<old_version
    puts "There is a update available #{new_version} was released. -> sudo gem update ssh-manager"
  else
    puts "Version: #{old_version} is up to date."
  end
end