harbor/make/photon/prepare/models.py

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import os
import logging
from pathlib import Path
from shutil import copytree, rmtree
from g import internal_tls_dir, DEFAULT_GID, DEFAULT_UID, PG_GID, PG_UID
from utils.misc import check_permission, owner_can_read, get_realpath, port_number_valid
from utils.cert import san_existed
class InternalTLS:
harbor_certs_filename = {
'harbor_internal_ca.crt',
'proxy.crt', 'proxy.key',
'core.crt', 'core.key',
'job_service.crt', 'job_service.key',
'registryctl.crt', 'registryctl.key',
'registry.crt', 'registry.key',
'portal.crt', 'portal.key'
}
trivy_certs_filename = {
'trivy_adapter.crt', 'trivy_adapter.key',
}
notary_certs_filename = {
'notary_signer.crt', 'notary_signer.key',
'notary_server.crt', 'notary_server.key'
}
chart_museum_filename = {
'chartmuseum.crt',
'chartmuseum.key'
}
db_certs_filename = {
'harbor_db.crt', 'harbor_db.key'
}
def __init__(self, tls_enabled=False, verify_client_cert=False, tls_dir='', data_volume='', **kwargs):
self.data_volume = data_volume
self.verify_client_cert = verify_client_cert
self.enabled = tls_enabled
self.tls_dir = tls_dir
if self.enabled:
self.required_filenames = self.harbor_certs_filename
if kwargs.get('with_notary'):
self.required_filenames.update(self.notary_certs_filename)
if kwargs.get('with_chartmuseum'):
self.required_filenames.update(self.chart_museum_filename)
if kwargs.get('with_trivy'):
self.required_filenames.update(self.trivy_certs_filename)
if not kwargs.get('external_database'):
self.required_filenames.update(self.db_certs_filename)
def __getattribute__(self, name: str):
"""
Make the call like 'internal_tls.core_crt_path' possible
"""
# only handle when enabled tls and name ends with 'path'
if name.endswith('_path'):
if not (self.enabled):
return object.__getattribute__(self, name)
name_parts = name.split('_')
if len(name_parts) < 3:
return object.__getattribute__(self, name)
filename = '{}.{}'.format('_'.join(name_parts[:-2]), name_parts[-2])
if filename in self.required_filenames:
return os.path.join(self.data_volume, 'secret', 'tls', filename)
return object.__getattribute__(self, name)
def _check(self, filename: str):
"""
Check cert and key files are correct
"""
path = Path(os.path.join(internal_tls_dir, filename))
if not path.exists:
if filename == 'harbor_internal_ca.crt':
return
raise Exception('File {} not exist'.format(filename))
if not path.is_file:
raise Exception('invalid {}'.format(filename))
# check key file permission
if filename.endswith('.key') and not check_permission(path, mode=0o600):
raise Exception('key file {} permission is not 600'.format(filename))
# check certificate file
if filename.endswith('.crt'):
if not owner_can_read(path.stat().st_mode):
# check owner can read cert file
raise Exception('File {} should readable by owner'.format(filename))
if not san_existed(path):
# check SAN included
if filename == 'harbor_internal_ca.crt':
return
raise Exception('cert file {} should include SAN'.format(filename))
def validate(self) -> bool:
if not self.enabled:
# pass the validation if not enabled
return True
if not internal_tls_dir.exists():
raise Exception('Internal dir for tls {} not exist'.format(internal_tls_dir))
for filename in self.required_filenames:
self._check(filename)
return True
def prepare(self):
"""
Prepare moves certs in tls file to data volume with correct permission.
"""
if not self.enabled:
logging.info('internal tls NOT enabled...')
return
original_tls_dir = get_realpath(self.tls_dir)
if internal_tls_dir.exists():
rmtree(internal_tls_dir)
copytree(original_tls_dir, internal_tls_dir, symlinks=True)
for file in internal_tls_dir.iterdir():
if file.name.endswith('.key'):
file.chmod(0o600)
elif file.name.endswith('.crt'):
file.chmod(0o644)
if file.name in self.db_certs_filename:
os.chown(file, PG_UID, PG_GID)
else:
os.chown(file, DEFAULT_UID, DEFAULT_GID)
class Metric:
def __init__(self, enabled: bool = False, port: int = 8080, path: str = "metrics" ):
self.enabled = enabled
self.port = port
self.path = path
def validate(self):
if not port_number_valid(self.port):
raise Exception('Port number in metrics is not valid')