706 lines
26 KiB
Python
706 lines
26 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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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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"""This data ingester will consume YAML site topology documents."""
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import yaml
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import logging
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import jsonschema
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import os
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import pkg_resources
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import copy
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import drydock_provisioner.objects.fields as hd_fields
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from drydock_provisioner import error as errors
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from drydock_provisioner import objects
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from drydock_provisioner.ingester.plugins import IngesterPlugin
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class DeckhandIngester(IngesterPlugin):
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def __init__(self):
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super().__init__()
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self.logger = logging.getLogger('drydock.ingester.deckhand')
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self.load_schemas()
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def get_name(self):
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return "deckhand"
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def ingest_data(self, **kwargs):
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"""Parse and save design data.
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:param content: String of valid Deckhand YAML
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:returns: a tuple of a status response and a list of parsed objects from drydock_provisioner.objects
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"""
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if 'content' in kwargs:
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parse_status, models = self.parse_docs(kwargs.get('content'))
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else:
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raise ValueError('Missing parameter "content"')
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return parse_status, models
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def parse_docs(self, doc_blob):
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"""Translate a YAML string into the internal Drydock model.
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Returns a tuple of a objects.TaskStatus instance to summarize all
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document processing and a list of models yielded by successful processing
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:param doc_blob: bytes representing a utf-8 encoded YAML string
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"""
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models = []
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yaml_string = doc_blob.decode()
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self.logger.debug("yamlingester:parse_docs - Parsing YAML string.")
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try:
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parsed_data = yaml.safe_load_all(yaml_string)
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except yaml.YAMLError as err:
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if hasattr(err, 'problem_mark'):
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mark = err.problem_mark
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raise errors.IngesterError(
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"Error parsing YAML at (l:%s, c:%s): %s" %
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(mark.line + 1, mark.column + 1, err))
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else:
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raise errors.IngesterError("Error parsing YAML: %s" % (err))
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# tracking processing status to provide a complete summary of issues
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ps = objects.Validation()
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ps.set_status(hd_fields.ValidationResult.Success)
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for d in parsed_data:
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try:
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(schema_ns, doc_kind, doc_version) = d.get('schema',
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'').split('/')
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except ValueError as ex:
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self.logger.error(
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"Error with document structure.", exc_info=ex)
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self.logger.debug("Error document\n%s" % yaml.dump(d))
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continue
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if schema_ns == 'drydock':
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try:
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doc_ref = objects.DocumentReference(
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doc_type=hd_fields.DocumentType.Deckhand,
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doc_schema=d.get('schema'),
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doc_name=d.get('metadata', {}).get('name', 'Unknown'))
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doc_errors = self.validate_drydock_document(d)
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if len(doc_errors) > 0:
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for e in doc_errors:
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ps.add_detail_msg(
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objects.ValidationMessage(
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msg="%s:%s schema validation error: %s" %
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(doc_kind, doc_version, e),
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name="DD001",
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docs=[doc_ref],
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error=True,
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level=hd_fields.MessageLevels.ERROR,
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diagnostic=
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"Invalid input file - see Drydock Troubleshooting Guide for DD001"
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))
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ps.set_status(hd_fields.ActionResult.Failure)
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continue
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model = self.process_drydock_document(d)
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model.doc_ref = doc_ref
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models.append(model)
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except errors.IngesterError as ie:
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msg = "Error processing document: %s" % str(ie)
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self.logger.warning(msg)
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ps.add_detail_msg(
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objects.ValidationMessage(
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msg=msg,
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name="DD000",
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error=True,
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level=hd_fields.MessageLevels.ERROR,
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docs=[doc_ref],
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diagnostic="Exception during document processing "
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"- see Drydock Troubleshooting Guide "
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"for DD000"))
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ps.set_status(hd_fields.ActionResult.Failure)
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except Exception as ex:
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msg = "Unexpected error processing document: %s" % str(ex)
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self.logger.error(msg, exc_info=True)
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ps.add_detail_msg(
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objects.ValidationMessage(
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msg=msg,
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name="DD000",
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error=True,
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level=hd_fields.MessageLevels.ERROR,
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docs=[doc_ref],
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diagnostic="Unexpected exception during document "
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"processing - see Drydock Troubleshooting "
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"Guide for DD000"))
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ps.set_status(hd_fields.ActionResult.Failure)
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return (ps, models)
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def process_drydock_document(self, doc):
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"""Process a parsed YAML document.
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:param doc: The dictionary from parsing the YAML document
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"""
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(schema_ns, kind, version) = doc.get('schema', '').split('/')
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if version == 'v1':
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doc_processor = DeckhandIngester.v1_doc_handlers.get(kind, None)
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else:
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doc_processor = None
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if doc_processor is None:
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raise errors.IngesterError(
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"Invalid document - Kind %s and Version %s" % (kind, version))
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metadata = doc.get('metadata', {})
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doc_name = metadata.get('name')
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return doc_processor(self, doc_name, doc.get('data', {}))
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def validate_drydock_document(self, doc):
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"""Validate a parsed document via jsonschema.
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If a schema for a document Kind is not available, the document is
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considered valid. Schema is chosen by the doc['kind'] field.
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Returns a empty list for valid documents, otherwise returns a list
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of all found errors
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:param doc: dictionary of the parsed document.
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"""
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schemaname = doc.get('schema', '')
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(schema_ns, doc_kind, doc_version) = schemaname.split('/')
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errors_found = []
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if doc_version == 'v1':
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if schemaname in self.v1_doc_schemas:
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validator = jsonschema.Draft4Validator(
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self.v1_doc_schemas.get(schemaname))
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for error in validator.iter_errors(doc.get('data', [])):
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errors_found.append(error.message)
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return errors_found
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def process_drydock_region(self, name, data):
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"""Process the data/spec section of a Region document.
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:param name: the document name attribute
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:param data: the dictionary of the data/spec section
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"""
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model = objects.Site()
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# Need to add validation logic, we'll assume the input is
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# valid for now
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model.name = name
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model.status = hd_fields.SiteStatus.Unknown
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model.source = hd_fields.ModelSource.Designed
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model.tag_definitions = objects.NodeTagDefinitionList()
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tag_defs = data.get('tag_definitions', [])
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for t in tag_defs:
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tag_model = objects.NodeTagDefinition()
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tag_model.tag = t.get('tag', '')
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tag_model.type = t.get('definition_type', '')
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tag_model.definition = t.get('definition', '')
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if tag_model.type not in ['lshw_xpath']:
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raise errors.IngesterError(
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'Unknown definition_type in '
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'tag_definition instance: %s' % (t.definition_type))
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model.tag_definitions.append(tag_model)
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auth_keys = data.get('authorized_keys', [])
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model.authorized_keys = [k for k in auth_keys]
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repos = data.get('repositories', None)
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if repos:
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model.repositories = self.process_drydock_region_repo_list(repos)
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return model
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def process_drydock_region_repo_list(self, data):
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"""Process a package repository list.
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:param data: The data from the ``repositories`` key in a Region document
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"""
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model = objects.RepositoryList()
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for k, v in data.items():
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if k == 'remove_unlisted':
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model.remove_unlisted = v
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else:
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model.append(objects.Repository(name=k, **v))
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return model
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def process_drydock_rack(self, name, data):
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"""Process the data/spec section of a Rack document.
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:param name: the document name attribute
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:param data: the dictionary of the data/spec section
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"""
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model = objects.Rack()
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model.source = hd_fields.ModelSource.Designed
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model.name = name
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model.tor_switches = objects.TorSwitchList()
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tors = data.get('tor_switches', {})
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for k, v in tors.items():
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tor = objects.TorSwitch()
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tor.switch_name = k
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tor.mgmt_ip = v.get('mgmt_ip', None)
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tor.sdn_api_uri = v.get('sdn_api_url', None)
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model.tor_switches.append(tor)
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model.location = copy.deepcopy(data.get('location', {}))
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model.local_networks = [n for n in data.get('local_networks', [])]
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return model
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def process_drydock_networklink(self, name, data):
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"""Process the data/spec section of a NetworkLink document.
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:param name: the document name attribute
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:param data: the dictionary of the data/spec section
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"""
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model = objects.NetworkLink()
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model.source = hd_fields.ModelSource.Designed
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model.name = name
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model.metalabels = data.get('labels', {})
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bonding = data.get('bonding', {})
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model.bonding_mode = bonding.get(
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'mode', hd_fields.NetworkLinkBondingMode.Disabled)
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if model.bonding_mode in \
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(hd_fields.NetworkLinkBondingMode.LACP,
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hd_fields.NetworkLinkBondingMode.RoundRobin,
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hd_fields.NetworkLinkBondingMode.Standby):
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model.bonding_mon_rate = bonding.get('mon_rate', '100')
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model.bonding_up_delay = bonding.get('up_delay', '200')
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model.bonding_down_delay = bonding.get('down_delay', '200')
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if model.bonding_mode == hd_fields.NetworkLinkBondingMode.LACP:
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model.bonding_xmit_hash = bonding.get('hash', 'layer3+4')
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model.bonding_peer_rate = bonding.get('peer_rate', 'fast')
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model.mtu = data.get('mtu', None)
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model.linkspeed = data.get('linkspeed', None)
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trunking = data.get('trunking', {})
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model.trunk_mode = trunking.get(
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'mode', hd_fields.NetworkLinkTrunkingMode.Disabled)
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model.native_network = trunking.get('default_network', None)
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model.allowed_networks = data.get('allowed_networks', None)
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return model
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def process_drydock_network(self, name, data):
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"""Process the data/spec section of a Network document.
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:param name: the document name attribute
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:param data: the dictionary of the data/spec section
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"""
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model = objects.Network()
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model.source = hd_fields.ModelSource.Designed
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model.name = name
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model.metalabels = data.get('labels', {})
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model.cidr = data.get('cidr', None)
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model.vlan_id = data.get('vlan', None)
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model.mtu = data.get('mtu', None)
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model.routedomain = data.get('routedomain', None)
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dns = data.get('dns', {})
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model.dns_domain = dns.get('domain', 'local')
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model.dns_servers = dns.get('servers', None)
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ranges = data.get('ranges', [])
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model.ranges = []
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for r in ranges:
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model.ranges.append({
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'type': r.get('type', None),
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'start': r.get('start', None),
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'end': r.get('end', None),
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})
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routes = data.get('routes', [])
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model.routes = []
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for r in routes:
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model.routes.append({
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'subnet': r.get('subnet', None),
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'gateway': r.get('gateway', None),
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'metric': r.get('metric', None),
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'routedomain': r.get('routedomain', None),
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})
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dhcp_relay = data.get('dhcp_relay', None)
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if dhcp_relay is not None:
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model.dhcp_relay_self_ip = dhcp_relay.get('self_ip', None)
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model.dhcp_relay_upstream_target = dhcp_relay.get(
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'upstream_target', None)
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return model
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def process_drydock_hwprofile(self, name, data):
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"""Process the data/spec section of a HardwareProfile document.
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:param name: the document name attribute
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:param data: the dictionary of the data/spec section
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"""
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model = objects.HardwareProfile()
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model.name = name
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model.source = hd_fields.ModelSource.Designed
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model.vendor = data.get('vendor', None)
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model.generation = data.get('generation', None)
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model.hw_version = data.get('hw_version', None)
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model.bios_version = data.get('bios_version', None)
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model.boot_mode = data.get('boot_mode', None)
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model.bootstrap_protocol = data.get('bootstrap_protocol', None)
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model.pxe_interface = data.get('pxe_interface', None)
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model.devices = objects.HardwareDeviceAliasList()
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device_aliases = data.get('device_aliases', {})
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for d, v in device_aliases.items():
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dev_model = objects.HardwareDeviceAlias()
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dev_model.source = hd_fields.ModelSource.Designed
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dev_model.alias = d
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dev_model.bus_type = v.get('bus_type', None)
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dev_model.dev_type = v.get('dev_type', None)
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dev_model.address = v.get('address', None)
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model.devices.append(dev_model)
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model.cpu_sets = data.get('cpu_sets', None) or dict()
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model.hugepages_confs = objects.HugepagesConfList()
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for c, d in data.get('hugepages', {}).items():
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conf = objects.HugepagesConf(
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name=c, size=d.get('size'), count=d.get('count'))
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model.hugepages_confs.append(conf)
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return model
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def process_drydock_hostprofile(self, name, data):
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"""Process the data/spec section of a HostProfile document.
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:param name: the document name attribute
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:param data: the dictionary of the data/spec section
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"""
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model = objects.HostProfile()
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model.name = name
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model.source = hd_fields.ModelSource.Designed
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self.process_host_common_fields(data, model)
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return model
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def process_drydock_bootaction(self, name, data):
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"""Process the data/spec section of a BootAction document.
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:param name: the document name attribute
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:Param data: the dictionary of the parsed data/spec section
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"""
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model = objects.BootAction()
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model.name = name
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model.source = hd_fields.ModelSource.Designed
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assets = data.get('assets')
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model.asset_list = objects.BootActionAssetList()
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for a in assets:
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ba = self.process_bootaction_asset(a)
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model.asset_list.append(ba)
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node_filter = data.get('node_filter', None)
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if node_filter is not None:
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nfs = self.process_bootaction_nodefilter(node_filter)
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model.node_filter = nfs
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model.signaling = data.get('signaling', None)
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return model
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def process_bootaction_asset(self, asset_dict):
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"""Process a dictionary representing a BootAction Data Asset.
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:param asset_dict: dictionary representing the bootaction asset
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"""
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model = objects.BootActionAsset(**asset_dict)
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return model
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def process_bootaction_nodefilter(self, nf):
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"""Process a dictionary representing a BootAction NodeFilter Set.
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:param nf: dictionary representing the bootaction nodefilter set.
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"""
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model = objects.NodeFilterSet()
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model.filter_set_type = nf.get('filter_set_type', None)
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model.filter_set = []
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for nf in nf.get('filter_set', []):
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nf_model = objects.NodeFilter(**nf)
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model.filter_set.append(nf_model)
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return model
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def process_drydock_node(self, name, data):
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"""Process the data/spec section of a BaremetalNode document.
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:param name: the document name attribute
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:param data: the dictionary of the data/spec section
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"""
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model = objects.BaremetalNode()
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model.name = name
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model.source = hd_fields.ModelSource.Designed
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self.process_host_common_fields(data, model)
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node_metadata = data.get('metadata', {})
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model.boot_mac = node_metadata.get('boot_mac', None)
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addresses = data.get('addressing', [])
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if len(addresses) == 0:
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raise errors.IngesterError('BaremetalNode needs at least'
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' 1 assigned address')
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model.addressing = objects.IpAddressAssignmentList()
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for a in addresses:
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assignment = objects.IpAddressAssignment()
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address = a.get('address', '')
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if address == 'dhcp':
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assignment.type = 'dhcp'
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assignment.address = None
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assignment.network = a.get('network')
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model.addressing.append(assignment)
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elif address != '':
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assignment.type = 'static'
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assignment.address = a.get('address')
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assignment.network = a.get('network')
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model.addressing.append(assignment)
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else:
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self.log.error("Invalid address assignment %s on Node %s" %
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(address, self.name))
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return model
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def process_host_common_fields(self, data, model):
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"""Process fields common to the host-based documents.
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Update the provided model with the values of fields common
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to BaremetalNode and HostProfile documents.
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:param data: dictionary from YAML parsing of the document data/spec section
|
|
:param model: instance of objects.HostProfile or objects.BaremetalNode to update
|
|
"""
|
|
model.parent_profile = data.get('host_profile', None)
|
|
model.hardware_profile = data.get('hardware_profile', None)
|
|
|
|
oob = data.get('oob', {})
|
|
|
|
model.oob_parameters = {}
|
|
for k, v in oob.items():
|
|
if k == 'type':
|
|
model.oob_type = oob.get('type', None)
|
|
else:
|
|
model.oob_parameters[k] = v
|
|
|
|
(model.storage_devices,
|
|
model.volume_groups) = self.process_node_storage(
|
|
data.get('storage', {}))
|
|
|
|
interfaces = data.get('interfaces', {})
|
|
model.interfaces = objects.HostInterfaceList()
|
|
|
|
for k, v in interfaces.items():
|
|
int_model = objects.HostInterface()
|
|
|
|
# A null value indicates this interface should be removed
|
|
# from any parent profiles
|
|
if v is None:
|
|
int_model.device_name = '!' + k
|
|
continue
|
|
|
|
int_model.device_name = k
|
|
int_model.network_link = v.get('device_link', None)
|
|
|
|
int_model.hardware_slaves = []
|
|
slaves = v.get('slaves', [])
|
|
|
|
for s in slaves:
|
|
int_model.hardware_slaves.append(s)
|
|
|
|
int_model.networks = []
|
|
networks = v.get('networks', [])
|
|
|
|
for n in networks:
|
|
int_model.networks.append(n)
|
|
|
|
if 'sriov' in v:
|
|
int_model.sriov = True
|
|
int_model.vf_count = v.get('sriov', {}).get('vf_count', 0)
|
|
int_model.trustedmode = v.get('sriov', {}).get(
|
|
'trustedmode', False)
|
|
|
|
model.interfaces.append(int_model)
|
|
|
|
platform = data.get('platform', {})
|
|
|
|
model.image = platform.get('image', None)
|
|
model.kernel = platform.get('kernel', None)
|
|
|
|
model.kernel_params = {}
|
|
for k, v in platform.get('kernel_params', {}).items():
|
|
model.kernel_params[k] = v
|
|
|
|
model.primary_network = data.get('primary_network', None)
|
|
|
|
node_metadata = data.get('metadata', {})
|
|
metadata_tags = node_metadata.get('tags', [])
|
|
|
|
model.tags = metadata_tags
|
|
|
|
owner_data = node_metadata.get('owner_data', {})
|
|
model.owner_data = {}
|
|
|
|
for k, v in owner_data.items():
|
|
model.owner_data[k] = v
|
|
|
|
model.rack = node_metadata.get('rack', None)
|
|
|
|
return model
|
|
|
|
def process_node_storage(self, storage):
|
|
"""Process the storage data for a node-based document.
|
|
|
|
Return a tuple of of two lists the first is a StorageDeviceList, the
|
|
second is a VolumeGroupList.
|
|
|
|
:param storage: dictionary of the storage section of a document
|
|
"""
|
|
phys_devs = storage.get('physical_devices', {})
|
|
|
|
storage_devices = objects.HostStorageDeviceList()
|
|
|
|
for k, v in phys_devs.items():
|
|
sd = objects.HostStorageDevice(name=k)
|
|
sd.source = hd_fields.ModelSource.Designed
|
|
|
|
if 'labels' in v:
|
|
sd.labels = v.get('labels').copy()
|
|
|
|
if 'volume_group' in v:
|
|
vg = v.get('volume_group')
|
|
sd.volume_group = vg
|
|
elif 'partitions' in v:
|
|
sd.partitions = objects.HostPartitionList()
|
|
for vv in v.get('partitions', []):
|
|
part_model = objects.HostPartition()
|
|
|
|
part_model.name = vv.get('name')
|
|
part_model.source = hd_fields.ModelSource.Designed
|
|
part_model.part_uuid = vv.get('part_uuid', None)
|
|
part_model.size = vv.get('size', None)
|
|
|
|
if 'labels' in vv:
|
|
part_model.labels = vv.get('labels').copy()
|
|
|
|
if 'volume_group' in vv:
|
|
part_model.volume_group = vv.get('vg')
|
|
elif 'filesystem' in vv:
|
|
fs_info = vv.get('filesystem', {})
|
|
part_model.mountpoint = fs_info.get('mountpoint', None)
|
|
part_model.fstype = fs_info.get('fstype', 'ext4')
|
|
part_model.mount_options = fs_info.get(
|
|
'mount_options', 'defaults')
|
|
part_model.fs_uuid = fs_info.get('fs_uuid', None)
|
|
part_model.fs_label = fs_info.get('fs_label', None)
|
|
|
|
sd.partitions.append(part_model)
|
|
storage_devices.append(sd)
|
|
|
|
volume_groups = objects.HostVolumeGroupList()
|
|
vol_groups = storage.get('volume_groups', {})
|
|
|
|
for k, v in vol_groups.items():
|
|
vg = objects.HostVolumeGroup(name=k)
|
|
vg.vg_uuid = v.get('vg_uuid', None)
|
|
vg.logical_volumes = objects.HostVolumeList()
|
|
volume_groups.append(vg)
|
|
for vv in v.get('logical_volumes', []):
|
|
lv = objects.HostVolume(name=vv.get('name'))
|
|
lv.size = vv.get('size', None)
|
|
lv.lv_uuid = vv.get('lv_uuid', None)
|
|
if 'filesystem' in vv:
|
|
fs_info = vv.get('filesystem', {})
|
|
lv.mountpoint = fs_info.get('mountpoint', None)
|
|
lv.fstype = fs_info.get('fstype', 'ext4')
|
|
lv.mount_options = fs_info.get('mount_options', 'defaults')
|
|
lv.fs_uuid = fs_info.get('fs_uuid', None)
|
|
lv.fs_label = fs_info.get('fs_label', None)
|
|
|
|
vg.logical_volumes.append(lv)
|
|
|
|
return (storage_devices, volume_groups)
|
|
|
|
def load_schemas(self):
|
|
self.v1_doc_schemas = dict()
|
|
schema_dir = self._get_schema_dir()
|
|
|
|
for schema_file in os.listdir(schema_dir):
|
|
f = open(os.path.join(schema_dir, schema_file), 'r')
|
|
for schema in yaml.safe_load_all(f):
|
|
schema_for = schema['metadata']['name']
|
|
if schema_for in self.v1_doc_schemas:
|
|
self.logger.warning(
|
|
"Duplicate document schemas found for document kind %s."
|
|
% schema_for)
|
|
self.logger.debug(
|
|
"Loaded schema for document kind %s." % schema_for)
|
|
self.v1_doc_schemas[schema_for] = schema.get('data')
|
|
f.close()
|
|
|
|
def _get_schema_dir(self):
|
|
return pkg_resources.resource_filename('drydock_provisioner',
|
|
'schemas')
|
|
|
|
# Mapping of handlers for different document kinds
|
|
v1_doc_handlers = {
|
|
'Region': process_drydock_region,
|
|
'Rack': process_drydock_rack,
|
|
'NetworkLink': process_drydock_networklink,
|
|
'Network': process_drydock_network,
|
|
'HardwareProfile': process_drydock_hwprofile,
|
|
'HostProfile': process_drydock_hostprofile,
|
|
'BaremetalNode': process_drydock_node,
|
|
'BootAction': process_drydock_bootaction,
|
|
}
|