Module: Capitate::Plugins::Script

Defined in:
lib/capitate/plugins/script.rb

Instance Method Summary collapse

Instance Method Details

#run_all(cmds, options = {}, &block) ⇒ Object

Run all commands (separated by newlines).

Uses run_via to execute, so will use run or sudo depending on the current :run_method

Options

cmds

Commands (separated by newlines)

options

See Capistrano invoke_command options



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# File 'lib/capitate/plugins/script.rb', line 87

def run_all(cmds, options = {}, &block)    
  cmds.split("\n").each do |cmd|
    cmd = cmd.gsub(/^\s+/, "")        
    run_via(cmd, options, &block)
  end    
end

#sh(script, override_binding = nil) ⇒ Object

Run (sh) script. If script has .erb extension it will evaluate it.

Options

script

Name of sh file (relative to templates dir)

override_binding+

Binding to override, otherwise defaults to current (task) context

Examples

script.sh("ruby/openssl_fix.sh")



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# File 'lib/capitate/plugins/script.rb', line 12

def sh(script, override_binding = nil)
      
  if File.extname(script) == ".erb"
    name = script[0...script.length-4]
    dest = "/tmp/cap/#{name}"
    run_via "mkdir -p #{File.dirname(dest)}"
    put template.load(script, override_binding || binding), dest
  else
    name = script
    dest = "/tmp/cap/#{name}"
    run_via "mkdir -p #{File.dirname(dest)}"
    put template.load(script), dest
  end
  
  # If want verbose, -v
  run_all <<-CMDS
    sh -v #{dest}
    rm -rf #{File.dirname(dest)}
  CMDS
end

#unpack(url, dest, options, &block) ⇒ Object

Download and unpack URL. Yields path to unpacked source.

Options

url

URL to download

dest

Destination directory

options

Options (see Unpack options)

Unpack options

clean

If true will remove the unpacked directory. _Defaults to true_

unpack_dir

Directory that is unpacked from tgz (if not matching the file name)

Examples

script.unpack("http://rubyforge.org/frs/download.php/29548/rubygems-1.0.1.tgz", "/tmp/rubygems") do
  sudo "ruby setup.rb"
end



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# File 'lib/capitate/plugins/script.rb', line 50

def unpack(url, dest, options, &block)        
  file = url.split("/").last
  
  # TODO: Support other types
  if file !~ /\.tar\.gz\Z|\.tgz\Z/
    raise "Can't unpack this file: #{file}; only support tar.gz and tgz formats"
  end
  
  options[:clean] = true if options[:clean].nil?
  unpack_dir = options[:unpack_dir]
  clean = options[:clean]
  
  unpack_dir ||= file.gsub(/\.tar\.gz|\.tgz/, "")
  
  http_get_method = fetch(:http_get_method, "wget -nv")
      
  run_all <<-CMDS
    sh -c "mkdir -p #{dest} && cd #{dest} && #{http_get_method} #{url}"
    sh -c "cd #{dest} && tar zxf #{file}"
  CMDS
  
  if block_given?
    yield("#{dest}/#{unpack_dir}")
    run_via "rm -f #{dest}/#{file}"
    run_via "rm -rf #{dest}" if clean
  end
end