282 lines
8.5 KiB
Python
282 lines
8.5 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import print_function
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import os
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import sys
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from heatclient.common import template_utils
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from oslo_serialization import jsonutils
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from oslo_utils import encodeutils
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from oslo_utils import importutils
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import prettytable
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import six
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import yaml
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from senlinclient.common import exc
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from senlinclient.common.i18n import _
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supported_formats = {
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"json": lambda x: jsonutils.dumps(x, indent=2),
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"yaml": lambda x: yaml.safe_dump(x, default_flow_style=False)
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}
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def arg(*args, **kwargs):
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"""Decorator for CLI args."""
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def _decorator(func):
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if not hasattr(func, 'arguments'):
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func.arguments = []
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if (args, kwargs) not in func.arguments:
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func.arguments.insert(0, (args, kwargs))
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return func
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return _decorator
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def env(*args, **kwargs):
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"""Returns the first environment variable set.
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If all are empty, defaults to '' or keyword arg `default`.
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"""
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for arg in args:
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value = os.environ.get(arg)
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if value:
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return value
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return kwargs.get('default', '')
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def import_versioned_module(version, submodule=None):
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module = 'senlinclient.v%s' % version
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if submodule:
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module = '.'.join((module, submodule))
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return importutils.import_module(module)
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def format_nested_dict(d, fields, column_names):
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if d is None:
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return ''
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pt = prettytable.PrettyTable(caching=False, print_empty=False,
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header=True, field_names=column_names)
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for n in column_names:
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pt.align[n] = 'l'
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keys = sorted(d.keys())
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for field in keys:
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value = d[field]
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if not isinstance(value, six.string_types):
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value = jsonutils.dumps(value, indent=2, ensure_ascii=False)
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if value is None:
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value = '-'
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pt.add_row([field, value.strip('"')])
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return pt.get_string()
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def nested_dict_formatter(d, column_names):
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return lambda o: format_nested_dict(o, d, column_names)
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def json_formatter(js):
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return jsonutils.dumps(js, indent=2, ensure_ascii=False)
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def list_formatter(record):
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return '\n'.join(record or [])
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def _print_list(objs, fields, formatters=None, sortby_index=0,
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mixed_case_fields=None, field_labels=None):
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"""Print a list of objects as a table, one row per object.
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:param objs: iterable of :class:`Resource`
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:param fields: attributes that correspond to columns, in order
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:param formatters: `dict` of callables for field formatting
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:param sortby_index: index of the field for sorting table rows
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:param mixed_case_fields: fields corresponding to object attributes that
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have mixed case names (e.g., 'serverId')
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:param field_labels: Labels to use in the heading of the table, default to
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fields.
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"""
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formatters = formatters or {}
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mixed_case_fields = mixed_case_fields or []
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field_labels = field_labels or fields
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if len(field_labels) != len(fields):
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raise ValueError(_("Field labels list %(labels)s has different number "
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"of elements than fields list %(fields)s"),
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{'labels': field_labels, 'fields': fields})
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if sortby_index is None:
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kwargs = {}
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else:
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kwargs = {'sortby': field_labels[sortby_index]}
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pt = prettytable.PrettyTable(field_labels)
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pt.align = 'l'
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for o in objs:
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row = []
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for field in fields:
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if field in formatters:
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data = formatters[field](o)
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else:
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if field in mixed_case_fields:
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field_name = field.replace(' ', '_')
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else:
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field_name = field.lower().replace(' ', '_')
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data = getattr(o, field_name, '')
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if data is None:
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data = '-'
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row.append(data)
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pt.add_row(row)
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if six.PY3:
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print(encodeutils.safe_encode(pt.get_string(**kwargs)).decode())
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else:
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print(encodeutils.safe_encode(pt.get_string(**kwargs)))
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def print_list(objs, fields, formatters=None, sortby_index=0,
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mixed_case_fields=None, field_labels=None):
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# This wrapper is needed because sdk may yield a generator that will
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# escape the exception catching previously
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if not objs:
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objs = []
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try:
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_print_list(objs, fields, formatters=formatters,
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sortby_index=sortby_index,
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mixed_case_fields=mixed_case_fields,
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field_labels=field_labels)
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except Exception as ex:
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exc.parse_exception(ex)
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def print_dict(d, formatters=None):
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formatters = formatters or {}
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pt = prettytable.PrettyTable(['Property', 'Value'],
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caching=False, print_empty=False)
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pt.align = 'l'
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for field in d.keys():
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if field in formatters:
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data = formatters[field](d[field])
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else:
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data = d[field]
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if data is None:
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data = '-'
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pt.add_row([field, data])
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content = pt.get_string(sortby='Property')
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if six.PY3:
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print(encodeutils.safe_encode(content).decode())
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else:
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print(encodeutils.safe_encode(content))
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def print_action_result(rid, res):
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if res[0] == "OK":
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output = _("accepted by action %s") % res[1]
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else:
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output = _("failed due to '%s'") % res[1]
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print(_(" %(cid)s: %(output)s") % {"cid": rid, "output": output})
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def format_parameters(params, parse_semicolon=True):
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"""Reformat parameters into dict of format expected by the API."""
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if not params:
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return {}
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if parse_semicolon:
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# expect multiple invocations of --parameters but fall back to ';'
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# delimited if only one --parameters is specified
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if len(params) == 1:
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params = params[0].split(';')
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parameters = {}
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for p in params:
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try:
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(n, v) = p.split(('='), 1)
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except ValueError:
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msg = _('Malformed parameter(%s). Use the key=value format.') % p
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raise exc.CommandError(msg)
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if n not in parameters:
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parameters[n] = v
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else:
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if not isinstance(parameters[n], list):
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parameters[n] = [parameters[n]]
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parameters[n].append(v)
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return parameters
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def get_spec_content(filename):
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with open(filename, 'r') as f:
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try:
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data = yaml.load(f)
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except Exception as ex:
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raise exc.CommandError(_('The specified file is not a valid '
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'YAML file: %s') % six.text_type(ex))
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return data
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def process_stack_spec(spec):
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# Heat stack is a headache, because it demands for client side file
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# content processing
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try:
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tmplfile = spec.get('template', None)
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except AttributeError as ex:
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raise exc.FileFormatError(_('The specified file is not a valid '
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'YAML file: %s') % six.text_type(ex))
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if not tmplfile:
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raise exc.FileFormatError(_('No template found in the given '
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'spec file'))
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tpl_files, template = template_utils.get_template_contents(
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template_file=tmplfile)
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env_files, env = template_utils.process_multiple_environments_and_files(
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env_paths=spec.get('environment', None))
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new_spec = {
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# TODO(Qiming): add context support
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'disable_rollback': spec.get('disable_rollback', True),
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'context': spec.get('context', {}),
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'parameters': spec.get('parameters', {}),
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'timeout': spec.get('timeout', 60),
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'template': template,
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'files': dict(list(tpl_files.items()) + list(env_files.items())),
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'environment': env
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}
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return new_spec
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def format_output(output, format='yaml'):
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fmt = format.lower()
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try:
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return supported_formats[fmt](output)
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except KeyError:
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raise exc.HTTPUnsupported(_('The format(%s) is unsupported.')
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% fmt)
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def exit(msg=''):
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if msg:
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print(msg, file=sys.stderr)
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sys.exit(1)
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