Class: Hermetic::Backends::Null

Inherits:

Base

• Object
• Base
• Hermetic::Backends::Null

Defined in:

lib/hermetic/backends/null.rb

Overview

Disabled: code execution is off. Fails loud on run — a silent no-op would look like a sandbox while providing none.

Constant Summary

Constants inherited from Base

Base::OFF_HOST_TRUST, Base::TIMEOUT_EXIT

Instance Attribute Summary

Attributes inherited from Base

#limits, #trust

Instance Method Summary

• #enabled? ⇒ Boolean
• #initialize ⇒ Null constructor

  A new instance of Null.

• #run ⇒ Object

Methods inherited from Base

#backend_name, #off_host?

Constructor Details

#initialize ⇒ Null

Returns a new instance of Null.

# File 'lib/hermetic/backends/null.rb', line 6

def initialize
  super(trust: :none)
end

Instance Method Details

#enabled? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/hermetic/backends/null.rb', line 10

def enabled? = false

#run ⇒ Object

Raises:

• (DisabledError)

# File 'lib/hermetic/backends/null.rb', line 12

def run(*, **)
  raise DisabledError,
        "code execution is disabled (Null backend) — construct a real one: " \
        "Hermetic.hosted / .gvisor / .firecracker / .docker"
end