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# Copyright 2016 - Nokia Corporation
#
# 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 sys
from cliff import command
from cliff import lister
from cliff import show
from oslo_log import log
from vitrageclient.common import utils
from vitrageclient.common.utils import find_template_with_uuid
LOG = log.getLogger(__name__)
def _parse_template_params(cli_param_list):
return dict(cli_param.split('=', 1) for cli_param in cli_param_list) \
if cli_param_list else {}
# noinspection PyAbstractClass
class TemplateValidate(show.ShowOne):
"""Validate a template file"""
def get_parser(self, prog_name):
parser = super(TemplateValidate, self).get_parser(prog_name)
parser.add_argument('--path',
required=True,
help='full path for template file or templates dir'
)
parser.add_argument('--type',
choices=['standard', 'definition', 'equivalence'],
help='Template type. Valid types:'
'[standard, definition, equivalence]')
parser.add_argument('--params', nargs='+',
help='Actual values for parameters of the '
'template. Several key=value pairs may be '
'used, for example: --params '
'template_name=cpu_problem '
'alarm_name=\'High CPU Load\'')
return parser
@property
def formatter_default(self):
return 'json'
def take_action(self, parsed_args):
cli_param_list = parsed_args.params
params = _parse_template_params(cli_param_list)
result = utils.get_client(self).template.validate(
path=parsed_args.path,
template_type=parsed_args.type,
params=params)
return self.dict2columns(result)
class TemplateVersions(lister.Lister):
"""List all template versions"""
def get_parser(self, prog_name):
parser = super(TemplateVersions, self).get_parser(prog_name)
return parser
def take_action(self, parsed_args):
templates = utils.get_client(self).template.versions()
return utils.list2cols_with_rename(
(
('Version', 'version'),
('Status', 'status'),
), templates)
class TemplateList(lister.Lister):
"""List all templates"""
def get_parser(self, prog_name):
parser = super(TemplateList, self).get_parser(prog_name)
return parser
def take_action(self, parsed_args):
templates = utils.get_client(self).template.list()
return utils.list2cols_with_rename(
(
('UUID', 'uuid'),
('Name', 'name'),
('Status', 'status'),
('Status details', 'status details'),
('Date', 'date'),
('Type', 'type'),
), templates)
class TemplateShow(show.ShowOne):
"""Show a template"""
def get_parser(self, prog_name):
parser = super(TemplateShow, self).get_parser(prog_name)
parser.add_argument('id', help='Template UUID or Name')
return parser
@property
def formatter_default(self):
return 'yaml'
def take_action(self, parsed_args):
_id = parsed_args.id
template = utils.get_client(self).template.show(_id=_id)
return self.dict2columns(template)
class TemplateAdd(lister.Lister):
"""Add a template
support 3 types of templates:
standard, definition, equivalence
"""
def get_parser(self, prog_name):
parser = super(TemplateAdd, self).get_parser(prog_name)
parser.add_argument('--path',
required=True,
help='full path for template file or templates dir'
)
parser.add_argument('--type',
choices=['standard', 'definition', 'equivalence'],
help='Template type. Valid types:'
'[standard, definition, equivalence]')
parser.add_argument('--params', nargs='+',
help='Actual values for parameters of the '
'template. Several key=value pairs may be '
'used, for example: --params '
'template_name=cpu_problem '
'alarm_name=\'High CPU Load\'')
parser.add_argument('--wait',
type=int,
default=None,
nargs='?',
const=sys.maxsize,
help='Wait until template is ACTIVE or in ERROR'
' default is to wait forever '
'else number of seconds'
)
parser.add_argument('--overwrite',
default=False,
action='store_true',
help='If template exists by name overwrite it'
)
return parser
def take_action(self, parsed_args):
path = parsed_args.path
template_type = parsed_args.type
cli_param_list = parsed_args.params
params = _parse_template_params(cli_param_list)
wait = parsed_args.wait
overwrite = parsed_args.overwrite
templates = utils.get_client(self).template.add(
path=path, template_type=template_type, params=params,
overwrite=overwrite)
if wait:
utils.wait_for_action_to_end(wait,
self._check_finished_loading,
templates=templates)
return utils.list2cols_with_rename(
(
('UUID', 'uuid'),
('Name', 'name'),
('Status', 'status'),
('Status details', 'status details'),
('Date', 'date'),
('Type', 'type'),
), templates)
def _check_finished_loading(self, templates):
if all(
(
template['status'] == 'ERROR'
for template in templates
)
):
return True
try:
api_templates = utils.get_client(self).template.list()
self._update_templates_status(api_templates, templates)
if any(
(
template['status'] == 'LOADING'
for template in templates
)
):
return False
return True
except Exception:
return True
@staticmethod
def _update_templates_status(api_templates, templates):
for template in templates:
uuid = template.get('uuid')
if uuid:
api_template = find_template_with_uuid(uuid, api_templates)
if api_template:
template['status'] = api_template['status']
class TemplateDelete(command.Command):
"""Delete a template"""
def get_parser(self, prog_name):
parser = super(TemplateDelete, self).get_parser(prog_name)
parser.add_argument('id',
help='<ID or Name> of a template',
nargs='+')
parser.add_argument('--wait',
type=int,
default=None,
nargs='?',
const=sys.maxsize,
help='Wait until template is DELETED or in ERROR'
' default is to wait forever else number of '
'seconds'
)
return parser
@property
def formatter_default(self):
return 'json'
def take_action(self, parsed_args):
ids = parsed_args.id
wait = parsed_args.wait
utils.get_client(self).template.delete(ids=ids)
if wait:
utils.wait_for_action_to_end(wait,
self._check_deleted,
ids=ids)
def _check_deleted(self, ids):
for _id in ids:
try:
utils.get_client(self).template.show(_id)
except Exception: # if deleted we get exception
pass
else:
return False
return True
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