153 lines
4.7 KiB
Python
153 lines
4.7 KiB
Python
# Copyright 2019 Red Hat
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#
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# 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 absolute_import
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import typing
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from oslo_log import log
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import tobiko
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from tobiko import config
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from tobiko.openstack import keystone
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from tobiko.shell import ssh
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from tobiko.shell import sh
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CONF = config.CONF
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LOG = log.getLogger(__name__)
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def undercloud_ssh_client() -> ssh.SSHClientFixture:
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host_config = undercloud_host_config()
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if not host_config.hostname:
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raise NoSuchUndercloudHostname('No such undercloud hostname')
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return ssh.ssh_client(host=host_config.hostname, host_config=host_config)
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class NoSuchUndercloudHostname(tobiko.TobikoException):
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message = "Undercloud hostname not specified"
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class InvalidRCFile(tobiko.TobikoException):
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message = "Invalid RC file: {rcfile}"
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def fetch_os_env(rcfile, *rcfiles) -> typing.Dict[str, str]:
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rcfiles = (rcfile,) + rcfiles
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errors = []
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for rcfile in rcfiles:
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try:
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result = sh.execute(f". {rcfile}; env | grep '^OS_'",
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ssh_client=undercloud_ssh_client())
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except sh.ShellCommandFailed as ex:
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LOG.debug(f"Unable to get overcloud RC file '{rcfile}' content "
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f"({ex})")
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errors.append(tobiko.exc_info)
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else:
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env = {}
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for line in result.stdout.splitlines():
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name, value = line.split('=')
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env[name] = value
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if env:
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return env
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for error in errors:
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LOG.exception(f"Unable to get overcloud RC file '{rcfile}' "
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"content", exc_info=error)
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raise InvalidRCFile(rcfile=", ".join(rcfiles))
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def load_undercloud_rcfile() -> typing.Dict[str, str]:
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return fetch_os_env(*CONF.tobiko.tripleo.undercloud_rcfile)
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class UndercloudKeystoneCredentialsFixture(
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keystone.EnvironKeystoneCredentialsFixture):
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def get_environ(self) -> typing.Dict[str, str]:
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return load_undercloud_rcfile()
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class HasUndercloudFixture(tobiko.SharedFixture):
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has_undercloud: typing.Optional[bool] = None
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def setup_fixture(self):
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self.has_undercloud = check_undercloud()
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def check_undercloud() -> bool:
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try:
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ssh_client = undercloud_ssh_client()
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except NoSuchUndercloudHostname:
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return False
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try:
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ssh_client.connect(retry_count=1,
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connection_attempts=1,
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timeout=15.)
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except Exception as ex:
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LOG.debug('Unable to connect to undercloud host: %s', ex,
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exc_info=1)
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return False
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return True
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def has_undercloud() -> bool:
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return tobiko.setup_fixture(HasUndercloudFixture).has_undercloud
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skip_if_missing_undercloud = tobiko.skip_unless(
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'TripleO undercloud hostname not configured', has_undercloud)
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class UndecloudHostConfig(tobiko.SharedFixture):
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hostname: typing.Optional[str] = None
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port: typing.Optional[int] = None
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username: typing.Optional[str] = None
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key_filename: typing.Optional[str] = None
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def __init__(self, **kwargs):
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super(UndecloudHostConfig, self).__init__()
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self._connect_parameters = ssh.gather_ssh_connect_parameters(**kwargs)
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def setup_fixture(self):
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self.hostname = CONF.tobiko.tripleo.undercloud_ssh_hostname.strip()
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self.port = CONF.tobiko.tripleo.undercloud_ssh_port
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self.username = CONF.tobiko.tripleo.undercloud_ssh_username
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self.key_filename = CONF.tobiko.tripleo.undercloud_ssh_key_filename
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@property
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def connect_parameters(self):
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parameters = ssh.gather_ssh_connect_parameters(self)
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parameters.update(self._connect_parameters)
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return parameters
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def undercloud_host_config() -> UndecloudHostConfig:
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return tobiko.setup_fixture(UndecloudHostConfig)
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def undercloud_keystone_client():
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session = undercloud_keystone_session()
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return keystone.get_keystone_client(session=session)
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def undercloud_keystone_session():
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return keystone.get_keystone_session(
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credentials=UndercloudKeystoneCredentialsFixture)
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def undercloud_keystone_credentials():
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return tobiko.setup_fixture(
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UndercloudKeystoneCredentialsFixture).credentials
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