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# 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.
# base.py file taken and modified from the openstackclient functional tests
import json
import logging
import os
import shlex
import subprocess
from observabilityclient import client
from keystoneauth1 import loading
from keystoneauth1 import session
from openstack import config as occ
from tempest.lib.cli import output_parser
from tempest.lib import exceptions
import testtools
ADMIN_CLOUD = os.environ.get('OS_ADMIN_CLOUD', 'devstack-admin')
LOG = logging.getLogger(__name__)
class PythonAPITestCase(testtools.TestCase):
def _getKeystoneSession(self):
conf = occ.OpenStackConfig()
creds = conf.get_one(cloud=ADMIN_CLOUD).get_auth_args()
ks_creds = dict(
auth_url=creds["auth_url"],
username=creds["username"],
password=creds["password"],
project_name=creds["project_name"],
user_domain_id=creds["user_domain_id"],
project_domain_id=creds["project_domain_id"])
loader = loading.get_plugin_loader("password")
auth = loader.load_from_options(**ks_creds)
return session.Session(auth=auth)
def setUp(self):
super(PythonAPITestCase, self).setUp()
self.client = client.Client(
1,
self._getKeystoneSession()
)
def execute(cmd, fail_ok=False, merge_stderr=False):
"""Execute specified command for the given action."""
LOG.debug('Executing: %s', cmd)
cmdlist = shlex.split(cmd)
stdout = subprocess.PIPE
stderr = subprocess.STDOUT if merge_stderr else subprocess.PIPE
proc = subprocess.Popen(cmdlist, stdout=stdout, stderr=stderr)
result_out, result_err = proc.communicate()
result_out = result_out.decode('utf-8')
LOG.debug('stdout: %s', result_out)
LOG.debug('stderr: %s', result_err)
if not fail_ok and proc.returncode != 0:
raise exceptions.CommandFailed(
proc.returncode,
cmd,
result_out,
result_err,
)
return result_out
class CliTestCase(testtools.TestCase):
@classmethod
def openstack(
cls,
cmd,
*,
cloud=ADMIN_CLOUD,
fail_ok=False,
parse_output=False,
):
"""Execute observabilityclient command for the given action.
:param cmd: A string representation of the command to execute.
:param cloud: The cloud to execute against. This can be a string, empty
string, or None. A string results in '--os-auth-type $cloud', an
empty string results in the '--os-auth-type' option being
omitted, and None resuts in '--os-auth-type none' for legacy
reasons.
:param fail_ok: If failure is permitted. If False (default), a command
failure will result in `~tempest.lib.exceptions.CommandFailed`
being raised.
:param parse_output: If true, pass the '-f json' parameter and decode
the output.
:returns: The output from the command.
:raises: `~tempest.lib.exceptions.CommandFailed` if the command failed
and ``fail_ok`` was ``False``.
"""
auth_args = []
if cloud is None:
# Execute command with no auth
auth_args.append('--os-auth-type none')
elif cloud != '':
# Execute command with an explicit cloud specified
auth_args.append(f'--os-cloud {cloud}')
format_args = []
if parse_output:
format_args.append('-f json')
output = execute(
' '.join(['openstack'] + auth_args + [cmd] + format_args),
fail_ok=fail_ok,
)
if parse_output:
return json.loads(output)
else:
return output
@classmethod
def assertOutput(cls, expected, actual):
if expected != actual:
raise Exception(expected + ' != ' + actual)
@classmethod
def assertInOutput(cls, expected, actual):
if expected not in actual:
raise Exception(expected + ' not in ' + actual)
@classmethod
def assertNotInOutput(cls, expected, actual):
if expected in actual:
raise Exception(expected + ' in ' + actual)
@classmethod
def assertsOutputNotNone(cls, observed):
if observed is None:
raise Exception('No output observed')
def assert_table_structure(self, items, field_names):
"""Verify that all items have keys listed in field_names."""
for item in items:
for field in field_names:
self.assertIn(field, item)
def assert_show_fields(self, show_output, field_names):
"""Verify that all items have keys listed in field_names."""
# field_names = ['name', 'description']
# show_output = [{'name': 'fc2b98d8faed4126b9e371eda045ade2'},
# {'description': 'description-821397086'}]
# this next line creates a flattened list of all 'keys' (like 'name',
# and 'description' out of the output
all_headers = [item for sublist in show_output for item in sublist]
for field_name in field_names:
self.assertIn(field_name, all_headers)
def parse_show_as_object(self, raw_output):
"""Return a dict with values parsed from cli output."""
items = self.parse_show(raw_output)
o = {}
for item in items:
o.update(item)
return o
def parse_show(self, raw_output):
"""Return list of dicts with item values parsed from cli output."""
items = []
table_ = output_parser.table(raw_output)
for row in table_['values']:
item = {}
item[row[0]] = row[1]
items.append(item)
return items
def parse_listing(self, raw_output):
"""Return list of dicts with basic item parsed from cli output."""
return output_parser.listing(raw_output)
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