Class: DockerEnvCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant/docker/env/command.rb

Overview

Reads the docker env from the global $DOCKER_ENV

Instance Method Summary collapse

Instance Method Details

#execute ⇒ Object 



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# File 'lib/vagrant/docker/env/command.rb', line 6

def execute
  marker_found = false
  subcommand, _ = ARGV.partition do |e|
    marker_found.tap do |_|
      marker_found = true if e == '--'
    end
  end
  load_config
  if subcommand.empty?
    print_env
  else
    execute_subcommand(subcommand)
  end
  0
end

#execute_subcommand(subcommand) ⇒ Object 



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# File 'lib/vagrant/docker/env/command.rb', line 27

def execute_subcommand(subcommand)
  ($DOCKER_ENV || {}).each do |k,v|
    ENV[k.to_s] = v
  end
  system(*subcommand)
end

#load_config ⇒ Object 



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# File 'lib/vagrant/docker/env/command.rb', line 22

def load_config
  loader = @env.config_loader
  loader.load([])
end

#print_env ⇒ Object 



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# File 'lib/vagrant/docker/env/command.rb', line 34

def print_env
  str = ($DOCKER_ENV || {}).map do |k,v|
    "export #{k}=\"#{v}\""
  end.join("\n")
  STDOUT.puts str
end