A configuration organization tool.
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# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
#
# 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.
import json
import logging
import uuid
from shipyard_client.api_client.shipyard_api_client import ShipyardClient
from shipyard_client.api_client.shipyardclient_context import \
ShipyardClientContext
import yaml
from pegleg.engine import exceptions
from pegleg.engine import site
from pegleg.engine.util import files
from pegleg.engine.util.files import add_representer_ordered_dict
from pegleg.engine.util.pegleg_secret_management import PeglegSecretManagement
LOG = logging.getLogger(__name__)
class AuthValuesError(exceptions.PeglegBaseException):
"""Shipyard authentication failed. """
def __init__(self, *, diagnostic):
self.diagnostic = diagnostic
class DocumentUploadError(exceptions.PeglegBaseException):
"""Exception occurs while uploading documents"""
def __init__(self, message):
self.message = message
class ShipyardHelper(object):
"""
A helper class for Shipyard. It performs the following operation:
1. Validates the authentication parameters required for Keystone
2. Uploads the document to Shipyard buffer
3. Commits the document
4. Formats response from Shipyard api_client
"""
def __init__(self, context, buffer_mode='replace'):
"""
Initializes params to be used by Shipyard
:param context: ShipyardHelper context object that contains
params for initializing ShipyardClient with
correct client context and the site_name.
"""
self.ctx = context
self.api_parameters = self.ctx.obj['API_PARAMETERS']
self.auth_vars = self.api_parameters.get('auth_vars')
self.context_marker = self.ctx.obj['context_marker']
if self.context_marker is None:
self.context_marker = str(uuid.uuid4())
LOG.debug("context_marker is %s", self.context_marker)
self.site_name = self.ctx.obj['site_name']
self.client_context = ShipyardClientContext(
self.auth_vars, self.context_marker)
self.api_client = ShipyardClient(self.client_context)
self.buffer_mode = buffer_mode
self.collection = self.ctx.obj.get('collection', self.site_name)
def upload_documents(self):
"""Uploads documents to Shipyard"""
collected_documents = files.collect_files_by_repo(self.site_name)
collection_data = [site.get_deployment_data_doc(self.site_name)]
LOG.info("Processing %d collection(s)", len(collected_documents))
for idx, document in enumerate(collected_documents):
# Decrypt the documents if encrypted
pegleg_secret_mgmt = PeglegSecretManagement(
docs=collected_documents[document])
decrypted_documents = pegleg_secret_mgmt.get_decrypted_secrets()
collection_data.extend(decrypted_documents)
add_representer_ordered_dict()
collection_as_yaml = yaml.dump_all(
collection_data, Dumper=yaml.SafeDumper)
# Append flag is not required for the first
# collection being uploaded to Shipyard. It
# is needed for subsequent collections.
if self.buffer_mode in ['append', 'replace']:
buffer_mode = self.buffer_mode
else:
raise exceptions.InvalidBufferModeException()
try:
self.validate_auth_vars()
resp_text = self.api_client.post_configdocs(
collection_id=self.collection,
buffer_mode=buffer_mode,
document_data=collection_as_yaml)
except AuthValuesError as ave:
resp_text = "Error: {}".format(ave.diagnostic)
raise DocumentUploadError(resp_text)
except Exception as ex:
resp_text = (
"Error: Unable to invoke action due to: {}".format(str(ex)))
LOG.debug(resp_text, exc_info=True)
raise DocumentUploadError(resp_text)
# FIXME: Standardize status_code in Deckhand to avoid this
# workaround.
code = 0
if hasattr(resp_text, 'status_code'):
code = resp_text.status_code
elif hasattr(resp_text, 'code'):
code = resp_text.code
if code >= 400:
if hasattr(resp_text, 'content'):
raise DocumentUploadError(resp_text.content)
else:
raise DocumentUploadError(resp_text)
else:
output = self.formatted_response_handler(resp_text)
LOG.info("Uploaded document in buffer %s ", output)
# Commit in the last iteration of the loop when all the documents
# have been pushed to Shipyard buffer.
return self.commit_documents()
def commit_documents(self):
"""Commit Shipyard buffer documents """
LOG.info("Commiting Shipyard buffer documents")
try:
resp_text = self.formatted_response_handler(
self.api_client.commit_configdocs())
except Exception as ex:
resp_text = (
"Error: Unable to invoke action due to: {}".format(str(ex)))
raise DocumentUploadError(resp_text)
return resp_text
def validate_auth_vars(self):
"""Checks that the required authorization varible have been entered"""
required_auth_vars = ['auth_url']
err_txt = []
for var in required_auth_vars:
if self.auth_vars[var] is None:
err_txt.append(
'Missing the required authorization variable: '
'--os-{}'.format(var.replace('_', '-')))
if err_txt:
for var in self.auth_vars:
if (self.auth_vars.get(var) is None
and var not in required_auth_vars):
err_txt.append(
'- Also not set: --os-{}'.format(
var.replace('_', '-')))
raise AuthValuesError(diagnostic='\n'.join(err_txt))
def formatted_response_handler(self, response):
"""Base format handler for either json or yaml depending on call"""
call = response.headers['Content-Type']
if 'json' in call:
try:
return json.dumps(response.json(), indent=4)
except ValueError:
return (
"This is not json and could not be printed as such. \n"
+ response.text)