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Diffstat (limited to 'helm/plugin/workflows.py')
-rw-r--r-- | helm/plugin/workflows.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/helm/plugin/workflows.py b/helm/plugin/workflows.py new file mode 100644 index 0000000..d341bf7 --- /dev/null +++ b/helm/plugin/workflows.py @@ -0,0 +1,64 @@ +# ============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 + +@workflow +def upgrade(node_instance_id,config_json,config_json_url,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_json_url == '': + kwargs['config'] = config_json + elif config_json == '' and config_json_url != '': + response = urllib2.urlopen(config_json_url) + kwargs['config'] = json.load(response) + elif config_json != '' and config_json_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) |