import humanfriendly, platform, psutil, shutil, sys from .version import __version__ from .infrastructure import * def _osName(dockerInfo): if platform.system() == 'Windows': return WindowsUtils.systemStringLong() elif platform.system() == 'Darwin': return DarwinUtils.systemString() else: return 'Linux ({}, {})'.format(dockerInfo['OperatingSystem'], dockerInfo['KernelVersion']) def _formatSize(size): return humanfriendly.format_size(size, binary=True) def info(): # Verify that Docker is installed if DockerUtils.installed() == False: print('Error: could not detect Docker version. Please ensure Docker is installed.', file=sys.stderr) sys.exit(1) # Gather our information about the Docker daemon dockerInfo = DockerUtils.info() nvidiaDocker = platform.system() == 'Linux' and 'nvidia' in dockerInfo['Runtimes'] maxSize = DockerUtils.maxsize() rootDir = dockerInfo['DockerRootDir'] # If we are communicating with a Linux Docker daemon under Windows or macOS then we can't query the available disk space canQueryDisk = dockerInfo['OSType'].lower() == platform.system().lower() # Gather our information about the host system diskSpace = _formatSize(shutil.disk_usage(rootDir).free) if canQueryDisk == True else 'Unknown (typically means the Docker daemon is running in a Moby VM, e.g. Docker Desktop)' memPhysical = psutil.virtual_memory().total memVirtual = psutil.swap_memory().total cpuPhysical = psutil.cpu_count(False) cpuLogical = psutil.cpu_count() # Attempt to query PyPI to determine the latest version of ue4-docker # (We ignore any errors here to ensure the `ue4-docker info` command still works without network access) try: latestVersion = GlobalConfiguration.getLatestVersion() except: latestVersion = None # Prepare our report items items = [ ('ue4-docker version', '{}{}'.format(__version__, '' if latestVersion is None else ' (latest available version is {})'.format(latestVersion))), ('Operating system', _osName(dockerInfo)), ('Docker daemon version', dockerInfo['ServerVersion']), ('NVIDIA Docker supported', 'Yes' if nvidiaDocker == True else 'No'), ('Maximum image size', '{:.0f}GB'.format(maxSize) if maxSize != -1 else 'No limit detected'), ('Available disk space', diskSpace), ('Total system memory', '{} physical, {} virtual'.format(_formatSize(memPhysical), _formatSize(memVirtual))), ('Number of processors', '{} physical, {} logical'.format(cpuPhysical, cpuLogical)) ] # Determine the longest item name so we can format our list in nice columns longestName = max([len(i[0]) for i in items]) minSpaces = 4 # Print our report for item in items: print('{}:{}{}'.format( item[0], ' ' * ((longestName + minSpaces) - len(item[0])), item[1] ))