def _check_tarfile(self, app_name, app_tarfile):
if app_name and app_tarfile:
if not os.path.isfile(app_tarfile):
raise wsme.exc.ClientSideError(
_("Application-upload rejected: application tar file {} does "
"not exist.".format(app_tarfile)))
if (not app_tarfile.endswith('.tgz')
and not app_tarfile.endswith('.tar.gz')):
raise wsme.exc.ClientSideError(
_("Application-upload rejected: {} has unrecognizable tar file "
"extension. Supported extensions are: .tgz and .tar.gz.".
format(app_tarfile)))
with TempDirectory() as app_path:
if not cutils.extract_tarfile(app_path, app_tarfile):
raise wsme.exc.ClientSideError(
_("Application-upload rejected: failed to extract tar file "
"{}.".format(os.path.basename(app_tarfile))))
# If checksum file is included in the tarball, verify its contents.
if not cutils.verify_checksum(app_path):
raise wsme.exc.ClientSideError(
_("Application-upload rejected: checksum validation failed."
))
mname, mfile = self._find_manifest_file(app_path)
charts_dir = os.path.join(app_path, 'charts')
if os.path.isdir(charts_dir):
tar_filelist = cutils.get_files_matching(app_path, '.tgz')
if len(os.listdir(charts_dir)) == 0:
raise wsme.exc.ClientSideError(
_("Application-upload rejected: tar file contains no "
"Helm charts."))
if not tar_filelist:
raise wsme.exc.ClientSideError(
_("Application-upload rejected: tar file contains no "
"Helm charts of expected file extension (.tgz).")
)
for p, f in tar_filelist:
if not cutils.extract_tarfile(p, os.path.join(p, f)):
raise wsme.exc.ClientSideError(
_("Application-upload rejected: failed to extract tar "
"file {}.".format(os.path.basename(f))))
LOG.info("Tar file of application %s verified." % app_name)
return mname, mfile
else:
raise ValueError(
_("Application-upload rejected: both application name and tar "
"file must be specified."))
def _check_tarfile(self, app_tarfile, app_name, app_version, operation):
def _handle_upload_failure(reason):
raise wsme.exc.ClientSideError(
_("Application-{} rejected: ".format(operation) + reason))
if app_tarfile:
if cutils.is_url(app_tarfile):
# For tarfile that is downloaded remotely, defer the checksum, manifest
# and tarfile content validations to sysinv-conductor as download can
# take some time depending on network traffic, target server and file
# size.
if not app_name:
app_name = self._make_db_placeholder(
constants.APP_NAME_PLACEHOLDER, app_tarfile)
if not app_version:
app_version = self._make_db_placeholder(
constants.APP_VERSION_PLACEHOLDER, app_tarfile)
mname = constants.APP_MANIFEST_NAME_PLACEHOLDER
mfile = constants.APP_TARFILE_NAME_PLACEHOLDER
return app_name, app_version, mname, mfile
if not os.path.isfile(app_tarfile):
_handle_upload_failure(
"application tar file {} does not exist.".format(
app_tarfile))
if (not app_tarfile.endswith('.tgz')
and not app_tarfile.endswith('.tar.gz')):
_handle_upload_failure(
"{} has unrecognizable tar file extension. Supported "
"extensions are: .tgz and .tar.gz.".format(app_tarfile))
with cutils.TempDirectory() as app_path:
if not cutils.extract_tarfile(app_path, app_tarfile):
_handle_upload_failure(
"failed to extract tar file {}.".format(
os.path.basename(app_tarfile)))
# If checksum file is included in the tarball, verify its contents.
if not cutils.verify_checksum(app_path):
_handle_upload_failure("checksum validation failed.")
app_helper = KubeAppHelper(pecan.request.dbapi)
try:
name, version, patches = app_helper._verify_metadata_file(
app_path, app_name, app_version)
mname, mfile = app_helper._find_manifest_file(app_path)
app_helper._extract_helm_charts(app_path)
LOG.info("Tar file of application %s verified." % name)
return name, version, mname, mfile
except exception.SysinvException as e:
_handle_upload_failure(str(e))
else:
raise ValueError(
_("Application-{} rejected: tar file must be specified.".
format(operation)))
def _extract_helm_charts(self, app_path, demote_user=False):
charts_dir = os.path.join(app_path, 'charts')
if os.path.isdir(charts_dir):
tar_filelist = cutils.get_files_matching(app_path, '.tgz')
if len(os.listdir(charts_dir)) == 0:
raise exception.SysinvException(
_("tar file contains no Helm charts."))
if not tar_filelist:
raise exception.SysinvException(
_("tar file contains no Helm charts of "
"expected file extension (.tgz)."))
for p, f in tar_filelist:
if not cutils.extract_tarfile(p, os.path.join(p, f),
demote_user):
raise exception.SysinvException(
_("failed to extract tar file {}.".format(
os.path.basename(f))))
