def __init__(self, out_dir, target_cpu):
self._out_dir = out_dir
self._started = False
self._dry_run = False
self._target_cpu = target_cpu
self._command_runner = None
self._ffx_path = os.path.join(common.SDK_ROOT, 'tools',
common.GetHostArchFromPlatform(), 'ffx')
def __init__(self, out_dir, target_cpu, logs_dir):
self._out_dir = out_dir
self._target_cpu = target_cpu
self._command_runner = None
self._symbolizer_proc = None
self._log_listener_proc = None
self._dry_run = False
self._started = False
self._ffx_path = os.path.join(common.SDK_ROOT, 'tools',
common.GetHostArchFromPlatform(), 'ffx')
self._log_manager = LogManager(logs_dir)
def _EnsureBlobstoreQcowAndReturnPath(output_dir, target_arch):
"""Returns a file containing the Fuchsia blobstore in a QCOW format,
with extra buffer space added for growth."""
qimg_tool = os.path.join(common.GetEmuRootForPlatform('qemu'), 'bin',
'qemu-img')
fvm_tool = common.GetHostToolPathFromPlatform('fvm')
blobstore_path = boot_data.GetTargetFile('storage-full.blk', target_arch,
'qemu')
qcow_path = os.path.join(output_dir, 'gen', 'blobstore.qcow')
# Check a hash of the blobstore to determine if we can re-use an existing
# extended version of it.
blobstore_hash_path = os.path.join(output_dir, 'gen', 'blobstore.hash')
current_blobstore_hash = _ComputeFileHash(blobstore_path)
if os.path.exists(blobstore_hash_path) and os.path.exists(qcow_path):
if current_blobstore_hash == open(blobstore_hash_path, 'r').read():
return qcow_path
# Add some extra room for growth to the Blobstore volume.
# Fuchsia is unable to automatically extend FVM volumes at runtime so the
# volume enlargement must be performed prior to QEMU startup.
# The 'fvm' tool only supports extending volumes in-place, so make a
# temporary copy of 'blobstore.bin' before it's mutated.
extended_blobstore = tempfile.NamedTemporaryFile()
shutil.copyfile(blobstore_path, extended_blobstore.name)
subprocess.check_call([
fvm_tool, extended_blobstore.name, 'extend', '--length',
str(EXTENDED_BLOBSTORE_SIZE), blobstore_path
])
# Construct a QCOW image from the extended, temporary FVM volume.
# The result will be retained in the build output directory for re-use.
qemu_img_cmd = [
qimg_tool, 'convert', '-f', 'raw', '-O', 'qcow2', '-c',
extended_blobstore.name, qcow_path
]
# TODO(crbug.com/1046861): Remove arm64 call with retries when bug is fixed.
if common.GetHostArchFromPlatform() == 'arm64':
qemu_image.ExecQemuImgWithRetry(qemu_img_cmd)
else:
subprocess.check_call(qemu_img_cmd)
# Write out a hash of the original blobstore file, so that subsequent runs
# can trivially check if a cached extended FVM volume is available for reuse.
with open(blobstore_hash_path, 'w') as blobstore_hash_file:
blobstore_hash_file.write(current_blobstore_hash)
return qcow_path
def get_ffx_path():
"""Returns the full path to `ffx`."""
return os.path.join(common.SDK_ROOT, 'tools',
common.GetHostArchFromPlatform(), 'ffx')
