Class: HSDeploy::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/hsdeploy/command.rb

Constant Summary collapse

COMMANDS = 
["to", "logs", "import", "export", "config", "run"]

Class Method Summary collapse

Class Method Details

.change_to_toplevel_dir! ⇒ Object

Tries to figure out if we’re running in a subdirectory of the source, and switches to the top-level if that’s the case



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# File 'lib/hsdeploy/command.rb', line 140

def self.change_to_toplevel_dir!
  indicators = [".git", "Gemfile", "LICENSE", "test"]
  
  timeout = 10
  path = Dir.pwd
  begin
    indicators.each do |indicator|
      next unless File.exists?(File.join(path, indicator))
      
      $logger.debug "Found correct top-level directory %s, switching working directory." % [path] unless path == Dir.pwd
      Dir.chdir path
      return
    end
  end until (path = File.dirname(path)) == "/" || (timeout -= 1) == 0

  $logger.debug "DEBUG: Couldn't locate top-level directory (traversed until %s), falling back to %s" % [path, Dir.pwd]
end

.find_target(target_name) ⇒ Object 



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# File 'lib/hsdeploy/command.rb', line 20

def self.find_target(target_name)
  unless (target = HSDeploy::Config[target_name]) && !target.nil? && target.size > 0
    puts "ERROR: Target \"#{target_name}\" is not configured"
    puts ""
    print_help
    exit
  end
  [target_name, HSDeploy::Target.from_config(target)]
end

.handle_target_exception(e) ⇒ Object 



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# File 'lib/hsdeploy/command.rb', line 30

def self.handle_target_exception(e)
  $logger.debug e.inspect
  $logger.debug e.backtrace
  $logger.info "\nAn Error (%s) occured. Please contact %s support: %s" % [e.inspect, HSDeploy::Target::HostingStack.cloud_name, HSDeploy::Target::HostingStack.support_email]
  exit 2
end

.print_help ⇒ Object 



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# File 'lib/hsdeploy/command.rb', line 6

def self.print_help
    puts "HostingStack Deploytool Version #{HSDeploy::VERSION} Usage Instructions"
    puts ""
    puts "Add a target:"
    puts "  hsdeploy add production [email protected]"
    puts "  hsdeploy add staging [email protected]"
    puts ""
    puts "Deploy the current directory to the target:"
    puts "  hsdeploy production"
    puts ""
    puts "Run a command on the server:"
    puts "  hsdeploy run production rake db:migrate"
end

.run(command, args) ⇒ Object 



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# File 'lib/hsdeploy/command.rb', line 37

def self.run(command, args)
  if args.include?("--debug")
    args.delete("--debug")
    $logger.level = Logger::DEBUG
  elsif args.include?("-d")
    args.delete("-d")
    $logger.level = Logger::DEBUG
  elsif args.include?("-v")
    args.delete("-v")
    $logger.level = Logger::DEBUG
  else
    $logger.level = Logger::INFO
  end

  change_to_toplevel_dir!

  HSDeploy::Config.load(".hsdeployrc")
  
  if command == "help"
    print_help
  elsif command == "add"
    if args[0].nil?
      puts "ERROR: Missing target name."
      puts ""
      puts "Use \"deploy help\" if you're lost."
      exit
    end
    if args[1].nil?
      puts "ERROR: Missing target specification."
      puts ""
      puts "Use \"deploy help\" if you're lost."
      exit
    end
    unless target = HSDeploy::Target.find(args[1])
      puts "ERROR: Couldn't find provider for target \"#{args[1]}\""
      puts ""
      puts "Use \"deploy help\" if you're lost."
      exit
    end
    if target.respond_to?(:verify)
      target.verify
    end
    HSDeploy::Config[args[0]] = target.to_h
  elsif command == "list"
    puts "Registered Targets:"
    HSDeploy::Config.all.each do |target_name, target|
      target = HSDeploy::Target.from_config(target)
      puts "  %s%s" % [target_name.ljust(15), target.to_s]
    end
  elsif command == "run"
    target_name, target = find_target args.shift
    begin
      command = args.join(' ').strip
      if command.empty?
        puts "ERROR: Must specify command to be run.\n\n"
        print_help
        exit 2
      end
      target.exec(command)
    rescue => e
      handle_target_exception e
    end
  else
    args.unshift command unless command == "to"
    target_name, target = find_target args.shift
    
    opts = {}
    opts[:timing] = true if args.include?("--timing")

    begin
      target.push(opts)
    rescue => e
      handle_target_exception e
    end
  end

  if target_name and target
    HSDeploy::Config[target_name] = target.to_h
  end

  HSDeploy::Config.save
rescue Net::HTTPServerException => e
  $logger.info "ERROR: HTTP call returned %s %s" % [e.response.code, e.response.message]
  if target
    $logger.debug "\nTarget:"
    target.to_h.each do |k, v|
      next if k.to_sym == :password
      $logger.debug "  %s = %s" % [k, v]
    end
  end
  $logger.debug "\nBacktrace:"
  $logger.debug "  " + e.backtrace.join("\n  ")
  $logger.debug "\nResponse:"
  e.response.each_header do |k, v|
    $logger.debug "  %s: %s" % [k, v]
  end
  $logger.debug "\n  " + e.response.body.gsub("\n", "\n  ")
  $logger.info "\nPlease run again with \"--debug\" and report the output at http://j.mp/hsdeploy-issue"
  exit 2
end