Class: Webbynode::Io

Inherits:
Object show all
Defined in:
lib/webbynode/io.rb

Defined Under Namespace

Classes: KeyAlreadyExists

Constant Summary collapse

TemplatesPath = 
File.join(File.dirname(__FILE__), '..', 'templates')

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.home_dir ⇒ Object 



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# File 'lib/webbynode/io.rb', line 173

def self.home_dir
  if is_windows?
    if ENV['USERPROFILE'].nil?
      userdir = "C:/My Documents/"
    else
      userdir = ENV['USERPROFILE']
    end
  else
    userdir = ENV['HOME'] unless ENV['HOME'].nil?
  end
end

.is_windows? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/webbynode/io.rb', line 13

def self.is_windows?
  RbConfig::CONFIG["host_os"] =~ /mswin|mingw/
end

Instance Method Details

#add_general_setting(key, value) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 260

def add_general_setting(key, value)
  with_general_settings { |s| s[key] = value }
end

#add_line(file, line) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 226

def add_line(file, line)
  create_if_missing(file)
  contents = File.read(file)
  return if contents.include?("#{line}")
  File.open(file, 'a') do |f| 
    f.puts "" if !contents.empty? and !(contents =~ /\n$/)
    f.puts line
  end
end

#add_multi_setting(key, values) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 272

def add_multi_setting(key, values)
  with_setting { |s| s[key] = "(#{values.join(" ")})" }
end

#add_setting(key, value) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 268

def add_setting(key, value)
  with_setting { |s| s[key] = value }
end

#app_name ⇒ Object 



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# File 'lib/webbynode/io.rb', line 64

def app_name
  Dir.pwd.split("/").last.gsub(/[\.| ]/, "_")
end

#config_multi_add(key, new_value) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 280

def config_multi_add(key, new_value)
  raise "Missing Webbynode config file" unless file_exists?(".webbynode/config")
  config = read_yaml(".webbynode/config")
  (config[key] ||= []) << new_value
  write_yaml(config)
end

#copy_file(from, to) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 113

def copy_file(from, to)
  FileUtils.cp(from, to)
end

#create_file(file_name, contents, executable = nil) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 193

def create_file(file_name, contents, executable=nil)
  raise "Tried to create real file: #{file_name}" if $testing and !$testing_io
  File.open(file_name, "w") do |file|
    file.write(contents)
  end
  ::FileUtils.chmod 0755, file_name if executable
end

#create_from_template(file, template) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 221

def create_from_template(file, template)
  contents = read_from_template(template)
  create_file(file, contents)
end

#create_if_missing(file_name, contents = "", executable = nil) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 201

def create_if_missing(file_name, contents="", executable=nil)
  create_file(file_name, contents, executable) unless file_exists?(file_name)
end

#create_local_key(passphrase = "") ⇒ Object 



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# File 'lib/webbynode/io.rb', line 185

def create_local_key(passphrase="")
  unless File.exists?(LocalSshKey)
    mkdir File.dirname(LocalSshKey)
    key_file = LocalSshKey.gsub(/\.pub$/, "")
    exec "ssh-keygen -t rsa -N \"#{passphrase}\" -f \"#{key_file}\""
  end
end

#db_name ⇒ Object 



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# File 'lib/webbynode/io.rb', line 68

def db_name
  app_name.gsub(/[-._]/, "")      
end

#delete_file(file_name) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 205

def delete_file(file_name)
  File.delete(file_name)
end

#directory?(s) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/webbynode/io.rb', line 97

def directory?(s)
  File.directory?(s)
end

#exec(s, redirect_stderr = true) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 78

def exec(s, redirect_stderr=true)
  `#{s}#{redirect_stderr ? " 2>&1" : ""}`
end

#exec2(s, redirect_stderr = true) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 82

def exec2(s, redirect_stderr=true)
  `#{s}#{redirect_stderr ? " 2>&1" : ""}`
  $?
end

#exec3(s, redirect_stderr = false) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 87

def exec3(s, redirect_stderr=false)
  result = `#{s}#{redirect_stderr ? " 2>&1" : ""}`
  [$? == 0, result]
end

#exec_in_path?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/webbynode/io.rb', line 36

def exec_in_path?(file)
  search_in_path do |f| 
    if is_windows?
      File.executable?("#{f}/#{file}") || 
      File.executable?("#{f}/#{file}.exe") || 
      File.executable?("#{f}/#{file}.bat") || 
      File.executable?("#{f}/#{file}.cmd")
    else
      File.executable?("#{f}/#{file}")
    end
  end
end

#execute(s) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 92

def execute(s)
  Kernel.exec s
  $?
end

#exists_in_path?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/webbynode/io.rb', line 32

def exists_in_path?(file)
  search_in_path { |f| File.exists?("#{f}/#{file}") }
end

#file_exists?(f) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/webbynode/io.rb', line 101

def file_exists?(f)
  File.exists?(f)
end

#file_matches(file, regexp) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 60

def file_matches(file, regexp)
  File.read(file) =~ regexp
end

#general_settings ⇒ Object 



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# File 'lib/webbynode/io.rb', line 240

def general_settings
  @general_settings ||= properties("#{Io.home_dir}/.webbynode")
end

#is_windows? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/webbynode/io.rb', line 28

def is_windows?
  Io.is_windows?
end

#list_files(dir) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 24

def list_files(dir)
  Dir.glob(dir)
end

#load_setting(key) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 276

def load_setting(key)
  properties(".webbynode/settings")[key]
end

#log(text, notify = false) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 117

def log(text, notify=false)
  notify = :simple unless notify

  case notify
  when :notify
    notify = true
    puts "#{text}" 
  
  when :simple
    notify = false
    puts "#{text}" 
  
  when :start
    notify = true
    puts "[Webbynode] #{text}" 
  
  when :quiet_start
    notify = false
    puts "[Webbynode] #{text}" 
  
  when :action
    notify = false
    puts "            #{text}"
  
  when :warning
    notify = false
    puts "WARNING: #{text}"
  
  when :action
    notify = false
    puts "            #{text}"
  
  when :finish
    notify = true
    puts
    puts "[Webbynode] #{text}"
    
  when :error
    notify = true
    puts
    puts "[Webbynode] ERROR: #{text}"
    
  else
    notify = false
    puts "            #{text}"
    
  end
      
  Webbynode::Notify.message(text) if notify
end

#log_and_exit(text, notify = false) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 168

def log_and_exit(text, notify=false)
  log(text, notify)
  exit
end

#mkdir(path) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 72

def mkdir(path)
  raise "Tried to create real directory: #{path}" if $testing
  # TODO: raise "Tried to create real folder: #{path}" if $testing
  FileUtils.mkdir_p(path)
end

#open_file(f, a, &blk) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 109

def open_file(f, a, &blk)
  File.open(f, a, &blk)
end

#properties(s) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 236

def properties(s)
  (@properties||={})[s] = Properties.new(s)
end

#random_password(len = 10) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 17

def random_password(len=10)
  chars = ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a
  newpass = ""
  1.upto(len) { |i| newpass << chars[rand(chars.size-1)] }
  return newpass
end

#read_config(config_file) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 295

def read_config(config_file)
  read_file(config_file).split("\n").inject({}) do |hash, line|
    line_parts = line.split("=")
    hash[line_parts.first.strip.to_sym] = line_parts.last.strip
    hash
  end
end

#read_file(f) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 105

def read_file(f)
  File.read(f)
end

#read_from_template(template) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 217

def read_from_template(template)
  read_file File.join(templates_path, template)
end

#read_yaml(file) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 287

def read_yaml(file)
  YAML.load_file(file)
end

#remove_setting(key) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 264

def remove_setting(key)
  with_setting { |s| s.remove key }
end

#rename_file(old_name, new_name) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 209

def rename_file(old_name, new_name)
  File.rename(old_name, new_name)
end

#search_in_path(&blk) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 49

def search_in_path(&blk)
  return false unless block_given?
  entries = ENV['PATH'].split(is_windows? ? ";" : ":")
  entries.any? &blk
end

#sed(file, from, to) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 55

def sed(file, from, to)
  contents = File.read(file).gsub(from, to)
  File.open(file, 'w') { |f| f.write(contents) }
end

#templates_path ⇒ Object 



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# File 'lib/webbynode/io.rb', line 213

def templates_path
  TemplatesPath
end

#with_general_settings {|general_settings| ... } ⇒ Object

Yields:



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# File 'lib/webbynode/io.rb', line 250

def with_general_settings(&blk)
  yield general_settings
  general_settings.save
end

#with_setting(&blk) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 255

def with_setting(&blk)
  mkdir('.webbynode') unless directory?('.webbynode')
  with_settings_for ".webbynode/settings", &blk
end

#with_settings_for(file) {|settings| ... } ⇒ Object

Yields:

  • (settings) 


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# File 'lib/webbynode/io.rb', line 244

def with_settings_for(file, &blk)
  settings = properties(file)
  yield settings
  settings.save
end

#write_yaml(obj) ⇒ Object 



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# File 'lib/webbynode/io.rb', line 291

def write_yaml(obj)
  create_file(file, obj.to_yaml)
end