71 lines
2.7 KiB
Python
71 lines
2.7 KiB
Python
# All Rights Reserved.
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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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import time
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from tempest.lib.common.utils import misc as misc_utils
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from tempest.lib import exceptions as lib_exc
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def wait_for_bm_node_status(client, node_id, attr, status, timeout=None,
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interval=None):
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"""Waits for a baremetal node attribute to reach given status.
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:param client: an instance of tempest plugin BaremetalClient.
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:param node_id: identifier of the node.
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:param attr: node's API-visible attribute to check status of.
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:param status: desired status.
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:param timeout: the timeout after which the check is considered as failed.
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Defaults to client.build_timeout.
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:param interval: an interval between show_node calls for status check.
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Defaults to client.build_interval.
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The client should have a show_node(node_id) method to get the node.
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"""
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if timeout is None:
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timeout = client.build_timeout
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if interval is None:
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interval = client.build_interval
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if timeout < 0 or interval < 0:
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raise lib_exc.InvalidConfiguration(
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'timeout and interval should be >= 0 or None, current values are: '
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'%(timeout)s, %(interval)s respectively.' % dict(timeout=timeout,
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interval=interval)
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)
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start = int(time.time())
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_, node = client.show_node(node_id)
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while node[attr] != status:
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status_curr = node[attr]
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if status_curr == status:
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return
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if int(time.time()) - start >= timeout:
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message = ('Node %(node_id)s failed to reach %(attr)s=%(status)s '
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'within the required time (%(timeout)s s).' %
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{'node_id': node_id,
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'attr': attr,
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'status': status,
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'timeout': client.build_timeout})
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message += ' Current state of %s: %s.' % (attr, status_curr)
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caller = misc_utils.find_test_caller()
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if caller:
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message = '(%s) %s' % (caller, message)
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raise lib_exc.TimeoutException(message)
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time.sleep(interval)
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_, node = client.show_node(node_id)
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