heat-tempest-plugin/heat_tempest_plugin/common/exceptions.py

79 lines
2.9 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
class IntegrationException(Exception):
"""Base Tempest Exception.
To correctly use this class, inherit from it and define
a 'message' property. That message will get printf'd
with the keyword arguments provided to the constructor.
"""
message = "An unknown exception occurred"
def __init__(self, *args, **kwargs):
super(IntegrationException, self).__init__()
try:
self._error_string = self.message % kwargs
except Exception:
# at least get the core message out if something happened
self._error_string = self.message
if len(args) > 0:
# If there is a non-kwarg parameter, assume it's the error
# message or reason description and tack it on to the end
# of the exception message
# Convert all arguments into their string representations...
args = ["%s" % arg for arg in args]
self._error_string = (self._error_string +
"\nDetails: %s" % '\n'.join(args))
def __str__(self):
return self._error_string
class InvalidCredentials(IntegrationException):
message = "Invalid Credentials"
class TimeoutException(IntegrationException):
message = "Request timed out"
class BuildErrorException(IntegrationException):
message = "Server %(server_id)s failed to build and is in ERROR status"
class StackBuildErrorException(IntegrationException):
message = ("Stack %(stack_identifier)s is in %(stack_status)s status "
"due to '%(stack_status_reason)s'")
class StackResourceBuildErrorException(IntegrationException):
message = ("Resource %(resource_name)s in stack %(stack_identifier)s is "
"in %(resource_status)s status due to "
"'%(resource_status_reason)s'")
class SSHTimeout(IntegrationException):
message = ("Connection to the %(host)s via SSH timed out.\n"
"User: %(user)s, Password: %(password)s")
class SSHExecCommandFailed(IntegrationException):
"""Raised when remotely executed command returns nonzero status."""
message = ("Command '%(command)s', exit status: %(exit_status)d, "
"Error:\n%(strerror)s")
class ServerUnreachable(IntegrationException):
message = "The server is not reachable via the configured network"