def remote_head(self, remote_url: str) -> Mapping[str, str]:
logger.debug(f"http.head.fetch: {remote_url}")
header_path = make_temp_path("curl-head")
SUDO.parent_ensure(header_path)
curl = Curl()
with_auth_url(curl, remote_url)
with_proxy_config(curl, remote_url)
curl.with_file_head(header_path)
curl.execute_unit_sert()
header_dict = parse_header_file(header_path)
SUDO.files_delete(header_path)
return header_dict
def invoke_fetch(self, effect: token.FetchEffect) -> None:
remote_url = effect.url
package_name = os.path.basename(remote_url)
fetch_archive = make_temp_path('fetch-archive') + '-' + package_name
fetch_extract = make_temp_path('fetch-extract') + '-' + package_name
# download
transport = transport_provider(remote_url)
transport.get(fetch_archive, remote_url)
# extract
packer = packer_provider(remote_url)
packer.extract(fetch_archive, fetch_extract)
# move
source_path = fetch_extract + '/' + effect.source
target_path = self.runtime_path(effect.target)
SUDO.files_move(source_path, target_path)
# clean
SUDO.files_delete(fetch_archive)
SUDO.files_delete(fetch_extract)
def extract(self, archive_path: str, extract_path: str) -> None:
logger.debug(f"pack.extract.tar: {extract_path}")
SUDO.file_assert(archive_path)
extract_temp = make_temp_path("tar-extract-temp")
SUDO.folder_ensure(extract_temp)
tar = Tar()
tar.with_archive(archive_path)
tar.with_extract(extract_temp)
tar.with_packer(archive_path)
tar.with_make_unpack() # keep last
tar.execute_unit_sert()
if SUDO.folder_check(extract_path):
# user rsync to preserve active machines
SUDO.files_sync_full(extract_temp, extract_path)
SUDO.files_delete(extract_temp)
else:
# user move for efficiency
SUDO.files_move(extract_temp, extract_path)
synchronize_header(archive_path, extract_path)
def get(self, local_url: str, remote_url: str) -> None:
"fetch remote resource and persist headers in xattr"
logger.debug(f"http.get.fetch: {remote_url}")
local, remote = self.parse(local_url, remote_url)
header_path = make_temp_path("curl-head")
source_path = make_temp_path("curl-gets")
target_path = local.path
SUDO.parent_ensure(header_path)
curl = Curl()
with_auth_url(curl, remote_url)
with_proxy_config(curl, remote_url)
curl.with_file_get(source_path)
curl.with_dump_header(header_path)
curl.execute_unit_sert()
header_dict = parse_header_file(header_path)
SUDO.files_delete(header_path)
SUDO.files_move(source_path, target_path)
# TODO attr
SUDO.xattr_save(target_path, header_dict)
def perform_erase(service: str) -> None:
image_path = service_image(service)
SUDO.files_delete(image_path)
def perform_machine_runtime_erase(machine_result:MachineResult) -> None:
"remove machine runtime folder, i.e,:"
"/var/lib/nspawn/runtime/<machine>"
base_dir = machine_result.machine_store.base_dir()
SUDO.files_delete(base_dir)
def perform_machine_delete(machine_result:MachineResult) -> None:
"delete machine systemd service file"
service_file = machine_result.machine_store.service_file()
SUDO.files_delete(service_file)
SYSTEM_CTL.daemon_reload()
def perform_image_erase_path(image_store: ImageStore) -> None:
SUDO.files_delete(image_store.archive_path())
SUDO.files_delete(image_store.extract_path())
