Class: Picobox::DockerCompose::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/picobox/docker_compose/config.rb

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ Config

Returns a new instance of Config.



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# File 'lib/picobox/docker_compose/config.rb', line 4

def initialize(filename)
  @config = YAML.load_file(filename)
  @filename = filename
rescue SystemCallError
  raise Picobox::Errors::FileNotFoundError, "could not open #{filename}"
end

Instance Method Details

#add_service(service, links) ⇒ Object 



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# File 'lib/picobox/docker_compose/config.rb', line 19

def add_service(service, links)
  service_name = service.keys.first

  services = config['services'].merge! service

  links.each do |link|
    existing_service = services[link]
    if existing_service
      existing_service['links'] = (existing_service['links'] || Array.new).push service_name
      existing_service['links'].uniq!
    end
  end
end

#check!(type) ⇒ Object 



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# File 'lib/picobox/docker_compose/config.rb', line 12

def check!(type)
  unless config['services'].keys.include? type
    raise Picobox::Errors::ServiceNotInstalled
  end
end

#remove_service(service) ⇒ Object 



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# File 'lib/picobox/docker_compose/config.rb', line 34

def remove_service(service)
  service_name = service.keys.first
  services = config['services']

  services.delete(service_name)

  services.each_value do |service|
    if service['links']
      service['links'].delete(service_name)
      service.delete('links') if service['links'].empty?
    end
  end
end

#save ⇒ Object 



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# File 'lib/picobox/docker_compose/config.rb', line 49

def save
  File.open(filename,'w') do |h|
    h.write config.to_yaml
  end
end