Class: Train::Transports::Podman::Connection

Inherits:
BaseConnection
  • Object
show all
Defined in:
lib/train/transports/podman.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Connection 



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# File 'lib/train/transports/podman.rb', line 56

def initialize(options)
  super(options)

  @id = options[:host]

  if RUBY_PLATFORM =~ /windows|mswin|msys|mingw|cygwin/
    raise "Unsupported host platform."
  end

  # Currently Podman url can be set using option and setting the environment variable.
  uid = Process.uid
  podman_url = options[:podman_url] || ENV["CONTAINER_HOST"]
  podman_url ||= "unix:///run/podman/podman.sock" if uid == 0
  podman_url ||= "unix:///run/user/#{uid}/podman/podman.sock"

  Docker.url = podman_url

  # Using docker-api ruby library to fetch the Podman container data.
  @container = ::Docker::Container.get(@id) ||
    raise("Can't find Podman container #{@id}")
  @cmd_wrapper = nil
  @cmd_wrapper = CommandWrapper.load(self, @options)
  @probably_windows = nil
rescue Excon::Error::Socket
  raise Train::TransportError, "Unable to connect to Podman using #{podman_url}"
rescue Docker::Error::NotFoundError => e
  raise Train::TransportError, "Container Not Found: #{e.message}"
rescue Docker::Error::ServerError => e
  raise Train::TransportError, "#{e.message}"
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/train/transports/podman.rb', line 87

def close
  # nothing to do at the moment
end

#unique_identifier ⇒ Object 



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# File 'lib/train/transports/podman.rb', line 99

def unique_identifier
  @container.nil? ? @id : @container.id # default uuid set to the podman host.
end

#uri ⇒ Object 



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# File 'lib/train/transports/podman.rb', line 91

def uri
  if @container.nil?
    "podman://#{@id}"
  else
    "podman://#{@container.id}"
  end
end