Class: Docker

Inherits:
Object
  • Object
show all
Defined in:
lib/inspec-docker-resources/resources/docker.rb

Overview

This resource helps to parse information from the docker host For compatability with Serverspec we also offer the following resouses:

  • docker_container

  • docker_image

Instance Method Summary collapse

Instance Method Details

#containers ⇒ Object 



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# File 'lib/inspec-docker-resources/resources/docker.rb', line 131

def containers
  DockerContainerFilter.new(parse_containers)
end

#images ⇒ Object 



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# File 'lib/inspec-docker-resources/resources/docker.rb', line 135

def images
  DockerImageFilter.new(parse_images)
end

#info ⇒ Object 



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# File 'lib/inspec-docker-resources/resources/docker.rb', line 158

def info
  return @info if defined?(@info)

  data = {}
  # docke info format is only supported for Docker 17.03+
  cmd = inspec.command("docker info --format '{{ json . }}'")
  data = JSON.parse(cmd.stdout) if cmd.exit_status == 0
  @info = Hashie::Mash.new(data)
rescue JSON::ParserError => _e
  Hashie::Mash.new({})
end

#object(id) ⇒ Object

returns information about docker objects



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# File 'lib/inspec-docker-resources/resources/docker.rb', line 171

def object(id)
  return @inspect if defined?(@inspect)

  data = JSON.parse(inspec.command("docker inspect #{id}").stdout)
  data = data[0] if data.is_a?(Array)
  @inspect = Hashie::Mash.new(data)
rescue JSON::ParserError => _e
  Hashie::Mash.new({})
end

#plugins ⇒ Object 



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# File 'lib/inspec-docker-resources/resources/docker.rb', line 139

def plugins
  DockerPluginFilter.new(parse_plugins)
end

#services ⇒ Object 



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# File 'lib/inspec-docker-resources/resources/docker.rb', line 143

def services
  DockerServiceFilter.new(parse_services)
end

#to_s ⇒ Object 



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# File 'lib/inspec-docker-resources/resources/docker.rb', line 181

def to_s
  "Docker Host"
end

#version ⇒ Object 



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# File 'lib/inspec-docker-resources/resources/docker.rb', line 147

def version
  return @version if defined?(@version)

  data = {}
  cmd = inspec.command("docker version --format '{{ json . }}'")
  data = JSON.parse(cmd.stdout) if cmd.exit_status == 0
  @version = Hashie::Mash.new(data)
rescue JSON::ParserError => _e
  Hashie::Mash.new({})
end