Module: Dokken::Helpers

Defined in:
lib/kitchen/helpers.rb

Instance Method Summary collapse

Instance Method Details

#coerce_exposed_ports(v) ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 177

def coerce_exposed_ports(v)
  case v
  when Hash, nil
    v
  else
    x = Array(v).map { |a| parse_port(a) }
    x.flatten!
    x.each_with_object({}) do |y, h|
      h[y['container_port']] = {}
    end
  end
end

#coerce_port_bindings(v) ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 190

def coerce_port_bindings(v)
  case v
  when Hash, nil
    v
  else
    x = Array(v).map { |a| parse_port(a) }
    x.flatten!
    x.each_with_object({}) do |y, h|
      h[y['container_port']] = [] unless h[y['container_port']]
      h[y['container_port']] << {
        'HostIp' => y['host_ip'],
        'HostPort' => y['host_port'],
      }
    end
  end
end

#create_data_image ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 89

def create_data_image
  return if ::Docker::Image.exist?(data_image)

  tmpdir = Dir.tmpdir
  FileUtils.mkdir_p "#{tmpdir}/dokken"
  File.write("#{tmpdir}/dokken/Dockerfile", data_dockerfile)
  File.write("#{tmpdir}/dokken/authorized_keys", insecure_ssh_public_key)

  i = ::Docker::Image.build_from_dir(
    "#{tmpdir}/dokken",
    'nocache' => true,
    'rm' => true
  )
  i.tag('repo' => repo(data_image), 'tag' => tag(data_image), 'force' => true)
end

#create_sandbox ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 255

def create_sandbox
  info("Creating kitchen sandbox in #{sandbox_path}")
  unless ::Dir.exist?(sandbox_path)
    FileUtils.mkdir_p(sandbox_path, :mode => 0o755)
  end
end

#data_dockerfile ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 62

def data_dockerfile
  <<-EOF
FROM centos:7
MAINTAINER Sean OMeara \"[email protected]\"
ENV LANG en_US.UTF-8

RUN yum -y install tar rsync openssh-server passwd git
RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N ''

# uncomment to debug cert issues
# RUN echo 'root:dokkendokkendokken' | chpasswd
# RUN sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
# RUN sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' -i /etc/pam.d/sshd

RUN mkdir -p /root/.ssh/
COPY authorized_keys /root/.ssh/authorized_keys
RUN chmod 700 /root/.ssh/
RUN chmod 600  /root/.ssh/authorized_keys

EXPOSE 22
CMD [ "/usr/sbin/sshd", "-D", "-p", "22", "-o", "UseDNS=no", "-o", "UsePrivilegeSeparation=no", "-o", "MaxAuthTries=60" ]

VOLUME /opt/kitchen
VOLUME /opt/verifier
EOF
end

#default_docker_host ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 105

def default_docker_host
  if ENV['DOCKER_HOST']
    ENV['DOCKER_HOST']
  elsif File.exist?('/var/run/docker.sock')
    'unix:///var/run/docker.sock'
  # TODO: Docker for Windows also operates over a named pipe at
  # //./pipe/docker_engine that can be used if named pipe support is
  # added to the docker-api gem.
  else
    'tcp://127.0.0.1:2375'
  end
end

#docker_info ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 118

def docker_info
  @docker_info ||= ::Docker.info
end

#dokken_create_sandbox ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 122

def dokken_create_sandbox
  info("Creating kitchen sandbox at #{dokken_kitchen_sandbox}")
  FileUtils.mkdir_p(dokken_kitchen_sandbox, :mode => 0o755)

  info("Creating verifier sandbox at #{dokken_verifier_sandbox}")
  FileUtils.mkdir_p(dokken_verifier_sandbox, :mode => 0o755)
end

#dokken_delete_sandbox ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 130

def dokken_delete_sandbox
  info("Deleting kitchen sandbox at #{dokken_kitchen_sandbox}")
  begin
    FileUtils.rm_rf(dokken_kitchen_sandbox)
  rescue Errno::ENOENT
    debug("Cannot delete #{dokken_kitchen_sandbox}. Does not exist")
  end

  info("Deleting verifier sandbox at #{dokken_verifier_sandbox}")
  begin
    FileUtils.rm_rf(dokken_verifier_sandbox)
  rescue Errno::ENOENT
    debug("Cannot delete #{dokken_verifier_sandbox}. Does not exist")
  end
end

#dokken_kitchen_sandbox ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 156

def dokken_kitchen_sandbox
  "#{home_dir}/.dokken/kitchen_sandbox/#{instance_name}"
end

#dokken_verifier_sandbox ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 160

def dokken_verifier_sandbox
  "#{home_dir}/.dokken/verifier_sandbox/#{instance_name}"
end

#exposed_ports ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 169

def exposed_ports
  coerce_exposed_ports(config[:ports])
end

#home_dir ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 146

def home_dir
  # while dokken_binds avoid invalid bind mount spec "C:/Users/..." error by
  # remote docker host virtual box shared folder on boot2docker created by docker-machine in Windows
  # refs:
  # https://github.com/docker/machine/issues/1814
  # https://github.com/docker/toolbox/issues/607
  return Dir.home.sub 'C:/Users', '/c/Users' if Dir.home =~ /^C:/ && remote_docker_host?
  Dir.home
end

#insecure_ssh_private_key ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 30

def insecure_ssh_private_key
  <<-EOF
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
EOF
end

#insecure_ssh_public_key ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 24

def insecure_ssh_public_key
  <<-EOF
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCoJwyW7qNhw+NTuOjC4+RVpESl+JBXebXzB7JqxRgKAbymq6B39azEAiNx5NzHkWcQmOyQNhFpKFSAufegcXRS4ctS1LcElEoXe9brDAqKEBSkmnXYfZXMNIG0Enw4+5W/rZxHFCAlsUSAHYtYZEs+3CgbIWuHhZ95C8UC6nGLWHNZOjcbsYZFrnFfO0qg0ene2w8LKhxqj5X0MRSdCIn1IwyxIbl5NND5Yk1Hx8JKsJtTiNTdxssiMgmM5bvTbYQUSf8pbGrRI30VQKBgQ8/UkidZbaTfvzWXYpwcDUERSbzEYCvkUytTemZIv6uhpPxqkfjl6KEOOml/iGqquPEr test-kitchen-rsa
EOF
end

#instance_name ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 164

def instance_name
  prefix = (Digest::SHA2.hexdigest FileUtils.pwd)[0, 10]
  "#{prefix}-#{instance.name}"
end

#parse_port(v) ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 207

def parse_port(v)
  parts = v.split(':')
  case parts.length
  when 3
    host_ip = parts[0]
    host_port = parts[1]
    container_port = parts[2]
  when 2
    host_ip = '0.0.0.0'
    host_port = parts[0]
    container_port = parts[1]
  when 1
    host_ip = ''
    host_port = ''
    container_port = parts[0]
  end
  port_range, protocol = container_port.split('/')
  if port_range.include?('-')
    port_range = container_port.split('-')
    port_range.map!(&:to_i)
    Chef::Log.fatal("FATAL: Invalid port range! #{container_port}") if port_range[0] > port_range[1]
    port_range = (port_range[0]..port_range[1]).to_a
  end
  # qualify the port-binding protocol even when it is implicitly tcp #427.
  protocol = 'tcp' if protocol.nil?
  Array(port_range).map do |port|
    {
      'host_ip' => host_ip,
      'host_port' => host_port,
      'container_port' => "#{port}/#{protocol}",
    }
  end
end

#port_bindings ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 173

def port_bindings
  coerce_port_bindings(config[:ports])
end

#port_open?(ip, port) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen/helpers.rb', line 7

def port_open?(ip, port)
  begin
    Timeout.timeout(1) do
      begin
        s = TCPSocket.new(ip, port)
        s.close
        return true
      rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH
        return false
      end
    end
  rescue Timeout::Error
  end

  false
end

#remote_docker_host? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kitchen/helpers.rb', line 241

def remote_docker_host?
  return false if config[:docker_info]['OperatingSystem'].include?('Boot2Docker')
  return true if config[:docker_host_url] =~ /^tcp:/
  false
end

#sandbox_dirs ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 251

def sandbox_dirs
  Dir.glob(File.join(sandbox_path, '*'))
end

#sandbox_path ⇒ Object 



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# File 'lib/kitchen/helpers.rb', line 247

def sandbox_path
  "#{Dir.home}/.dokken/verifier_sandbox/#{instance_name}"
end