e5d88be8cb
Currently, we only log the image ID and attempted URL. Now, we log the status code recieved and detailed information about how and when things failed. Change-Id: I718c7facbe1500d98be78b7b6137e92fdfb2fdf1 Closes-bug: 1420981 Depends-On: I69f6f6eef4ad573f406d64d579a9811c70ac5d28
285 lines
8.8 KiB
Python
285 lines
8.8 KiB
Python
# Copyright 2013 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from ironic_python_agent import encoding
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class RESTError(Exception, encoding.Serializable):
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"""Base class for errors generated in ironic-python-client."""
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message = 'An error occurred'
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details = 'An unexpected error occurred. Please try back later.'
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status_code = 500
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serializable_fields = ('type', 'code', 'message', 'details')
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def __init__(self, details=None, *args, **kwargs):
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super(RESTError, self).__init__(*args, **kwargs)
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self.type = self.__class__.__name__
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self.code = self.status_code
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if details:
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self.details = details
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class InvalidContentError(RESTError):
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"""Error which occurs when a user supplies invalid content, either
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because that content cannot be parsed according to the advertised
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`Content-Type`, or due to a content validation error.
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"""
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message = 'Invalid request body'
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status_code = 400
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def __init__(self, details):
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super(InvalidContentError, self).__init__(details)
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class NotFound(RESTError):
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"""Error which occurs when a user supplies invalid content, either
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because that content cannot be parsed according to the advertised
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`Content-Type`, or due to a content validation error.
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"""
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message = 'Not found'
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status_code = 404
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details = 'The requested URL was not found.'
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class CommandExecutionError(RESTError):
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"""Error raised when a command fails to execute."""
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message = 'Command execution failed'
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def __init__(self, details):
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super(CommandExecutionError, self).__init__(details)
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class InvalidCommandError(InvalidContentError):
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"""Error which is raised when an unknown command is issued."""
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messsage = 'Invalid command'
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def __init__(self, details):
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super(InvalidCommandError, self).__init__(details)
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class InvalidCommandParamsError(InvalidContentError):
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"""Error which is raised when command parameters are invalid."""
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message = 'Invalid command parameters'
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def __init__(self, details):
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super(InvalidCommandParamsError, self).__init__(details)
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class RequestedObjectNotFoundError(NotFound):
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def __init__(self, type_descr, obj_id):
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details = '{0} with id {1} not found.'.format(type_descr, obj_id)
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super(RequestedObjectNotFoundError, self).__init__(details)
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class IronicAPIError(RESTError):
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"""Error raised when a call to the agent API fails."""
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message = 'Error in call to ironic-api.'
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def __init__(self, details):
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super(IronicAPIError, self).__init__(details)
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class HeartbeatError(IronicAPIError):
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"""Error raised when a heartbeat to the agent API fails."""
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message = 'Error heartbeating to agent API.'
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def __init__(self, details):
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super(HeartbeatError, self).__init__(details)
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class LookupNodeError(IronicAPIError):
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"""Error raised when the node configuration lookup to the Ironic API
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fails.
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"""
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message = 'Error getting configuration from Ironic.'
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def __init__(self, details):
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super(LookupNodeError, self).__init__(details)
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class LookupAgentIPError(IronicAPIError):
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"""Error raised when automatic IP lookup fails."""
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message = 'Error finding IP for Ironic Agent'
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def __init__(self, details):
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super(LookupAgentIPError, self).__init__(details)
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class LookupAgentInterfaceError(IronicAPIError):
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"""Error raised when agent interface lookup fails."""
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message = 'Error finding network interface for Ironic Agent'
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def __init__(self, details):
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super(LookupAgentInterfaceError, self).__init__(details)
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class ImageDownloadError(RESTError):
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"""Error raised when an image cannot be downloaded."""
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message = 'Error downloading image.'
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def __init__(self, image_id, msg):
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details = 'Download of image id {0} failed: {1}'.format(image_id, msg)
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super(ImageDownloadError, self).__init__(details)
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class ImageChecksumError(RESTError):
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"""Error raised when an image fails to verify against its checksum."""
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message = 'Error verifying image checksum.'
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def __init__(self, image_id):
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details = 'Image with id {0} failed to verify against checksum.'
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details = details.format(image_id)
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super(ImageChecksumError, self).__init__(details)
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class ImageWriteError(RESTError):
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"""Error raised when an image cannot be written to a device."""
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message = 'Error writing image to device.'
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def __init__(self, device, exit_code, stdout, stderr):
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details = ('Writing image to device {0} failed with exit code '
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'{1}. stdout: {2}. stderr: {3}')
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details = details.format(device, exit_code, stdout, stderr)
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super(ImageWriteError, self).__init__(details)
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class ConfigDriveTooLargeError(RESTError):
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"""Error raised when a configdrive is larger than the partition."""
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message = 'Configdrive is too large for intended partition.'
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def __init__(self, filename, filesize):
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details = ('Configdrive at {0} has size {1}, which is larger than '
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'the intended partition.').format(filename, filesize)
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super(ConfigDriveTooLargeError, self).__init__(details)
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class ConfigDriveWriteError(RESTError):
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"""Error raised when a configdrive directory cannot be written to a
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device.
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"""
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message = 'Error writing configdrive to device.'
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def __init__(self, device, exit_code, stdout, stderr):
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details = ('Writing configdrive to device {0} failed with exit code '
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'{1}. stdout: {2}. stderr: {3}.')
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details = details.format(device, exit_code, stdout, stderr)
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super(ConfigDriveWriteError, self).__init__(details)
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class SystemRebootError(RESTError):
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"""Error raised when a system cannot reboot."""
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message = 'Error rebooting system.'
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def __init__(self, exit_code, stdout, stderr):
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details = ('Reboot script failed with exit code {0}. stdout: '
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'{1}. stderr: {2}.')
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details = details.format(exit_code, stdout, stderr)
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super(SystemRebootError, self).__init__(details)
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class BlockDeviceEraseError(RESTError):
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"""Error raised when an error occurs erasing a block device."""
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message = 'Error erasing block device'
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def __init__(self, details):
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super(BlockDeviceEraseError, self).__init__(details)
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class BlockDeviceError(RESTError):
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"""Error raised when a block devices causes an unknown error"""
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message = 'Block device caused unknown error'
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def __init__(self, details):
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super(BlockDeviceError, self).__init__(details)
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class VirtualMediaBootError(RESTError):
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"""Error raised when booting ironic-python-client from virtual media
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fails.
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"""
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message = 'Booting ironic-python-client from virtual media failed.'
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def __init__(self, details):
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super(VirtualMediaBootError, self).__init__(details)
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class ExtensionError(RESTError):
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pass
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class UnknownNodeError(RESTError):
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"""Error raised when the agent is not associated with an Ironic node."""
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message = 'Agent is not associated with an Ironic node.'
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def __init__(self, details=None):
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if details is not None:
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details = details
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else:
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details = self.message
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super(UnknownNodeError, self).__init__(details)
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class HardwareManagerNotFound(RESTError):
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"""Error raised when no valid HardwareManager can be found."""
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message = 'No valid HardwareManager found.'
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def __init__(self, details=None):
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if details is not None:
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details = details
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else:
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details = self.message
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super(HardwareManagerNotFound, self).__init__(details)
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class HardwareManagerMethodNotFound(RESTError):
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"""Error raised when all HardwareManagers fail to handle a method."""
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msg = 'No HardwareManager found to handle method'
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message = msg + '.'
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def __init__(self, method):
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details = (self.msg + ': "{0}".').format(method)
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super(HardwareManagerMethodNotFound, self).__init__(details)
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class IncompatibleHardwareMethodError(RESTError):
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"""Error raised when HardwareManager method is incompatible with node
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hardware.
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"""
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message = 'HardwareManager method is not compatible with hardware.'
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def __init__(self, details=None):
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if details is not None:
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details = details
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else:
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details = self.message
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super(IncompatibleHardwareMethodError, self).__init__(details)
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