Class: Inspec::Resources::Docker

Inherits:
Object
  • Object
show all
Defined in:
lib/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 



123
124
125
 
# File 'lib/resources/docker.rb', line 123

def containers
  DockerContainerFilter.new(parse_containers)
end

#images ⇒ Object 



127
128
129
 
# File 'lib/resources/docker.rb', line 127

def images
  DockerImageFilter.new(parse_images)
end

#info ⇒ Object 



145
146
147
148
149
150
151
152
153
154
 
# File 'lib/resources/docker.rb', line 145

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
  return Hashie::Mash.new({})
end

#object(id) ⇒ Object

returns information about docker objects



157
158
159
160
161
162
163
164
 
# File 'lib/resources/docker.rb', line 157

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
  return Hashie::Mash.new({})
end

#services ⇒ Object 



131
132
133
 
# File 'lib/resources/docker.rb', line 131

def services
  DockerServiceFilter.new(parse_services)
end

#to_s ⇒ Object 



166
167
168
 
# File 'lib/resources/docker.rb', line 166

def to_s
  'Docker Host'
end

#version ⇒ Object 



135
136
137
138
139
140
141
142
143
 
# File 'lib/resources/docker.rb', line 135

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
  return Hashie::Mash.new({})
end