2016-04-21 23:56:17 -04:00

235 lines
6.5 KiB
Python

# Copyright 2012 OpenStack Foundation
# All 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.
from __future__ import print_function
import hashlib
import logging
import textwrap
from oslo_serialization import jsonutils
from oslo_utils import encodeutils
from oslo_utils import importutils
import prettytable
import re
import six
from six.moves.urllib import parse
import sys
import yaml
from bileanclient import exc
from bileanclient.openstack.common._i18n import _
from bileanclient.openstack.common._i18n import _LE
from bileanclient.openstack.common import cliutils
LOG = logging.getLogger(__name__)
SENSITIVE_HEADERS = ('X-Auth-Token', )
# Using common methods from oslo cliutils
arg = cliutils.arg
env = cliutils.env
print_list = cliutils.print_list
def link_formatter(links):
def format_link(l):
if 'rel' in l:
return "%s (%s)" % (l.get('href', ''), l.get('rel', ''))
else:
return "%s" % (l.get('href', ''))
return '\n'.join(format_link(l) for l in links or [])
def json_formatter(js):
return jsonutils.dumps(js, indent=2, ensure_ascii=False,
separators=(', ', ': '))
def yaml_formatter(js):
return yaml.safe_dump(js, default_flow_style=False)
def text_wrap_formatter(d):
return '\n'.join(textwrap.wrap(d or '', 55))
def newline_list_formatter(r):
return '\n'.join(r or [])
def print_dict(d, formatters=None):
formatters = formatters or {}
pt = prettytable.PrettyTable(['Property', 'Value'],
caching=False, print_empty=False)
pt.align = 'l'
for field in d.keys():
if field in formatters:
pt.add_row([field, formatters[field](d[field])])
else:
pt.add_row([field, d[field]])
print(pt.get_string(sortby='Property'))
def skip_authentication(f):
"""Function decorator used to indicate a caller may be unauthenticated."""
f.require_authentication = False
return f
def is_authentication_required(f):
"""Checks to see if the function requires authentication.
Use the skip_authentication decorator to indicate a caller may
skip the authentication step.
"""
return getattr(f, 'require_authentication', True)
def import_versioned_module(version, submodule=None):
module = 'bileanclient.v%s' % version
if submodule:
module = '.'.join((module, submodule))
return importutils.import_module(module)
def exit(msg='', exit_code=1):
if msg:
print_err(msg)
sys.exit(exit_code)
def print_err(msg):
print(encodeutils.safe_decode(msg), file=sys.stderr)
def safe_header(name, value):
if value is not None and name in SENSITIVE_HEADERS:
h = hashlib.sha1(value)
d = h.hexdigest()
return name, "{SHA1}%s" % d
else:
return name, value
def debug_enabled(argv):
if bool(env('BILEANCLIENT_DEBUG')) is True:
return True
if '--debug' in argv or '-d' in argv:
return True
return False
def strip_version(endpoint):
"""Strip version from the last component of endpoint if present."""
# NOTE(flaper87): This shouldn't be necessary if
# we make endpoint the first argument. However, we
# can't do that just yet because we need to keep
# backwards compatibility.
if not isinstance(endpoint, six.string_types):
raise ValueError("Expected endpoint")
version = None
# Get rid of trailing '/' if present
endpoint = endpoint.rstrip('/')
url_parts = parse.urlparse(endpoint)
(scheme, netloc, path, __, __, __) = url_parts
path = path.lstrip('/')
# regex to match 'v1' or 'v2.0' etc
if re.match('v\d+\.?\d*', path):
version = float(path.lstrip('v'))
endpoint = scheme + '://' + netloc
return endpoint, version
def format_parameters(params, parse_semicolon=True):
'''Reformat parameters into dict of format expected by the API.'''
if not params:
return {}
if parse_semicolon:
# expect multiple invocations of --parameters but fall back
# to ; delimited if only one --parameters is specified
if len(params) == 1:
params = params[0].split(';')
parameters = {}
for p in params:
try:
(n, v) = p.split(('='), 1)
except ValueError:
msg = _('Malformed parameter(%s). Use the key=value format.') % p
raise exc.CommandError(msg)
if n not in parameters:
parameters[n] = v
else:
if not isinstance(parameters[n], list):
parameters[n] = [parameters[n]]
parameters[n].append(v)
return parameters
def get_response_body(resp):
body = resp.content
if 'application/json' in resp.headers.get('content-type', ''):
try:
body = resp.json()
except ValueError:
LOG.error(_LE('Could not decode response body as JSON'))
else:
body = None
return body
def parse_query_url(url):
base_url, query_params = url.split('?')
return base_url, parse.parse_qs(query_params)
def get_spec_content(filename):
with open(filename, 'r') as f:
try:
data = yaml.load(f)
except Exception as ex:
raise exc.CommandError(_('The specified file is not a valid '
'YAML file: %s') % six.text_type(ex))
return data
def format_nested_dict(d, fields, column_names):
if d is None:
return ''
pt = prettytable.PrettyTable(caching=False, print_empty=False,
header=True, field_names=column_names)
for n in column_names:
pt.align[n] = 'l'
keys = sorted(d.keys())
for field in keys:
value = d[field]
if not isinstance(value, six.string_types):
value = jsonutils.dumps(value, indent=2, ensure_ascii=False)
pt.add_row([field, value.strip('"')])
return pt.get_string()
def nested_dict_formatter(d, column_names):
return lambda o: format_nested_dict(o, d, column_names)