Class: LabSystem::DockerShell

Inherits:
DevSystem::Shell show all
Defined in:
lib/lab_system/shells/docker_shell.rb

Direct Known Subclasses

KrokiDockerShell

Class Method Summary collapse

Methods inherited from DevSystem::Shell

cruby?, engine, jruby?, linux?, mac?, os, ruby_version, unix?, windows?

Methods inherited from Liza::Controller

color, inherited, on_connected

Methods inherited from Liza::Unit

const_missing, division, part, system, #system, test_class

Class Method Details

.hello_alpine ⇒ Object 



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# File 'lib/lab_system/shells/docker_shell.rb', line 13

def self.hello_alpine
  KernelShell.call_backticks "docker run alpine echo 'hello world'"

  true
end

.hello_world ⇒ Object 



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# File 'lib/lab_system/shells/docker_shell.rb', line 5

def self.hello_world
  KernelShell.call_backticks "docker run hello-world"

  true
end

.parse_version(output) ⇒ Object 



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# File 'lib/lab_system/shells/docker_shell.rb', line 26

def self.parse_version output
  h = {}
  current_section = current_sub = nil
  
  output.each_line do |line|
    line = line.strip
    next if line.empty?

    if line.start_with?("Client:")

      name = line.split(":", 2).last.strip
      current_section = h["Client"] = {"Name" => name}
      current_sub = current_section

    elsif line.start_with?("Server:")
      name = line.split(":", 2).last.strip
      current_section = h["Server"] = {"Name" => name}

    elsif current_section

      if line.end_with?(":")
        key = line.chomp(":")
        current_sub = current_section[key] = {}
      elsif line.include?(":")
        key, value = line.split(":", 2).map(&:strip)
        current_sub[key] = value
      end

    end
  end

  h
end

.version ⇒ Object 



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# File 'lib/lab_system/shells/docker_shell.rb', line 21

def self.version
  output = KernelShell.call_backticks "docker version"
  parse_version output
end