Class: RubyYacht::Runner::Services

Inherits:
Command
  • Object
show all
Defined in:
lib/ruby_yacht/runner/services.rb

Overview

This class provides a command for starting, stopping, and restarting containers.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Command

#backtick, #default_project, #docker, #get_machine_info, #log, #project_named, #projects, short_script_name, #system

Instance Attribute Details

#commandObject

The name of the docker command that we are running.

This can be start, stop, or restart.


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# File 'lib/ruby_yacht/runner/services.rb', line 24

def command
  @command
end

Class Method Details

.commandObject

The name of the command.


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# File 'lib/ruby_yacht/runner/services.rb', line 6

def self.command; 'services'; end

.descriptionObject

The description for the command.


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# File 'lib/ruby_yacht/runner/services.rb', line 9

def self.description; 'Start, stop, or restart containers'; end

Instance Method Details

#option_parserObject

This method gets the command-line flags for this command.


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# File 'lib/ruby_yacht/runner/services.rb', line 12

def option_parser
  OptionParser.new do |options|
    usage = "Usage: #{Command.short_script_name} #{self.class.command} [COMMAND]"
    usage += "\n\n#{self.class.description}"
    usage += "\n\n[COMMAND] is required, and can be start, stop, or restart"
    options.banner = usage
  end
end

#parse_positional_arguments(arguments) ⇒ Object

This method extracts the arguments from the command line.

Parameters

  • arguments: Array The command-line arguments.

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# File 'lib/ruby_yacht/runner/services.rb', line 31

def parse_positional_arguments(arguments)
  self.command = arguments.shift
end

#runObject

This method runs the logic for the command.


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# File 'lib/ruby_yacht/runner/services.rb', line 36

def run
  if self.command == nil
    log "You must provide a command"
    log "Run #{Command.short_script_name} help services for more information"
    return false
  end

  unless %w(start stop restart).include?(command)
    log "#{command} is not a valid docker command"
    log "Run #{Command.short_script_name} help services for more information"
    return false
  end

  if command == 'start' && backtick('which docker-machine') != '' 
    start_docker_machine
  end
  
  projects.each do |project|
    project.databases.select(&:local?).each do |database|
      docker "#{command} #{database.container_name(project)}"
    end
    
    project.apps.each do |app|
      docker "#{command} #{app.container_name(project)}"
    end
  end
  docker "#{command} #{projects.first.system_prefix}-web"
  
  true
end

#start_docker_machineObject

This method starts the default docker machine.


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# File 'lib/ruby_yacht/runner/services.rb', line 68

def start_docker_machine
  system "docker-machine start default"

  environment_args = backtick('docker-machine env default').split("\n")
  environment_args.each do |arg|
    if arg =~ /export (\w*)=\"(.*)\"/
      ENV[$1] = $2
    end
  end
end