def load(registry_dir, keep=False, roaming=False, daemon=False, interfaces=[]):
from .agent_cell import CellAgent
from .agent_root import RootAgent
registry_dir = pathlib.Path(registry_dir)
identity_db = UvnIdentityDatabase.load(basedir=registry_dir)
registry = UvnRegistry.load(identity_db)
if registry.packaged:
return CellAgent(registry, keep=keep, roaming=roaming, daemon=daemon, interfaces=interfaces)
else:
if roaming:
raise UvnException("roaming mode not supported for root agent")
return RootAgent(registry, keep=keep, daemon=daemon, interfaces=interfaces)
def reload(self):
logger.info("reloading uvn registry from {}", self.paths.basedir)
identity_db = UvnIdentityDatabase.load(self.paths.basedir)
return UvnRegistry.load(identity_db)
def bootstrap(package, install_prefix, keep=False):
package = pathlib.Path(package)
install_prefix = pathlib.Path(install_prefix).resolve()
logger.activity("installing cell package: {}", package.name)
# Create a temporary directory to extract the installer and bootstrap
# the gpg database
tmp_dir = tempfile.mkdtemp(prefix="{}-".format(package.stem))
tmp_dir = pathlib.Path(tmp_dir)
try:
logger.debug("extracting {} to {}", package, tmp_dir)
shutil.unpack_archive(str(package), extract_dir=str(tmp_dir),
format=UvnDefaults["cell"]["pkg"]["clear_format"])
# Load installer manifest
manifest = UvnCellInstaller._manifest_file(tmp_dir)
installer = yml_obj(UvnCellInstaller, manifest, from_file=True)
logger.debug("loaded installer for cell {} of UVN {} [{}]",
installer.cell_name, installer.uvn_address, installer.uvn_deployment)
installer_files = UvnCellInstaller._installer_files(
tmp_dir, bootstrap=installer._bootstrap)
# Check that all files are there as expected
missing_files = [str(f) for f in installer_files.values()
if not f.exists()]
if missing_files:
raise UvnException("missing uvn installer files: [{}]".format(
",".join(missing_files)))
installer_dir = tmp_dir / UvnDefaults["cell"]["pkg"]["export_name"]
if installer._bootstrap:
logger.activity("bootstrap: {} -> {}", package.stem, install_prefix)
bootstrap_dir = installer_dir
registry = None
else:
# extract deployment package into target cell's dir
logger.activity("deployment: {} -> {}", package.stem, install_prefix)
bootstrap_dir = install_prefix
identity_db = UvnIdentityDatabase.load(basedir=bootstrap_dir)
from libuno.reg import UvnRegistry
registry = UvnRegistry.load(identity_db)
# Decrypt cell package and extract it
UvnIdentityDatabase.bootstrap_cell(
bootstrap_dir=bootstrap_dir,
registry=registry,
uvn_address=installer.uvn_address,
uvn_admin=installer.uvn_admin,
cell_name=installer.cell_name,
cell_admin=installer.cell_admin,
cell_pkg=installer_files["cell_pkg"],
cell_sig=installer_files["cell_sig"],
uvn_public_key=installer_files.get("uvn_public_key"),
cell_public_key=installer_files.get("cell_public_key"),
cell_private_key=installer_files.get("cell_private_key"),
cell_secret=installer_files.get("cell_secret"),
keep=keep)
if installer._bootstrap:
shutil.copytree(str(installer_dir), str(install_prefix))
finally:
if not keep:
# Delete temporary directory
shutil.rmtree(str(tmp_dir))
else:
logger.warning("[tmp] not deleted: {}", tmp_dir)
logger.activity("installed package: {} -> {}", package.name, install_prefix)
def _registry_load(basedir):
logger.debug("loading UVN from {}", basedir)
identity_db = UvnIdentityDatabase.load(basedir)
registry = UvnRegistry.load(identity_db)
logger.debug("loaded UVN {}", registry.address)
return registry