Method: Docker::Exec.create

Defined in:
lib/docker/exec.rb

.create(options = {}, conn = Docker.connection) ⇒ Docker::Exec

Create a new Exec instance in a running container. Please note, this does NOT execute the instance - you must run #start. Also, each instance is one-time use only.

Parameters:

  • (defaults to: {})

    Parameters to pass in to the API.

  • (defaults to: Docker.connection)

    Connection to Docker Remote API

Returns:

  • self



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# File 'lib/docker/exec.rb', line 20

def self.create(options = {}, conn = Docker.connection)
  container = options.delete('Container')

  # Podman does not attach these by default but does require them to be attached
  if ::Docker.podman?
    options['AttachStderr'] = true if options['AttachStderr'].nil?
    options['AttachStdout'] = true if options['AttachStdout'].nil?
  end

  resp = conn.post("/containers/#{container}/exec", {},
    body: MultiJson.dump(options))
  hash = Docker::Util.parse_json(resp) || {}
  new(conn, hash)
end