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# ============LICENSE_START==========================================
# ===================================================================
# Copyright (c) 2018 AT&T
#
# 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.
# ============LICENSE_END============================================
from cloudify.decorators import workflow
from cloudify.workflows import ctx
from cloudify.exceptions import NonRecoverableError
import urllib2
import json
import yaml
import base64
@workflow
def upgrade(node_instance_id, config_json, config_url, config_format,
chartVersion, chartRepo, **kwargs):
node_instance = ctx.get_node_instance(node_instance_id)
if not node_instance_id:
raise NonRecoverableError(
'No such node_instance_id in deployment: {0}.'.format(
node_instance_id))
kwargs = {}
if config_json == '' and config_url == '':
kwargs['config'] = config_json
elif config_json == '' and config_url != '':
if config_url.find("@"):
head, end = config_url.rsplit('@', 1)
head, auth = head.rsplit('//', 1)
config_url = head + '//' + end
username, password = auth.rsplit(':', 1)
request = urllib2.Request(config_url)
base64string = base64.encodestring(
'%s:%s' % (username, password)).replace('\n', '')
request.add_header("Authorization", "Basic %s" % base64string)
response = urllib2.urlopen(request)
else:
response = urllib2.urlopen(config_url)
if config_format == 'json':
kwargs['config'] = json.load(response)
elif config_format == 'yaml':
kwargs['config'] = yaml.load(response)
else:
raise NonRecoverableError("Unable to get config input format")
elif config_json != '' and config_url == '':
kwargs['config'] = config_json
else:
raise NonRecoverableError("Unable to get Json config input")
kwargs['chart_version'] = str(chartVersion)
kwargs['chart_repo'] = str(chartRepo)
operation_args = {'operation': 'upgrade', }
operation_args['kwargs'] = kwargs
node_instance.execute_operation(**operation_args)
@workflow
def rollback(node_instance_id, revision, **kwargs):
node_instance = ctx.get_node_instance(node_instance_id)
if not node_instance_id:
raise NonRecoverableError(
'No such node_instance_id in deployment: {0}.'.format(
node_instance_id))
kwargs = {}
kwargs['revision'] = str(revision)
operation_args = {'operation': 'rollback', }
operation_args['kwargs'] = kwargs
node_instance.execute_operation(**operation_args)
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