f198a0db8e
Default deploy timeout value should be provided by default settings not constant. Add description into docstring for timeout parameter to deployment method. Change-Id: Ib388e51949e59e24bda79f62cb264ea8da21c512
783 lines
29 KiB
Python
783 lines
29 KiB
Python
# Copyright 2016 Mirantis, Inc.
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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 contextlib
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import os
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import re
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import signal
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import tempfile
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import time
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import urllib2
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from devops.helpers import helpers
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from fuelweb_test.helpers import os_actions
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from fuelweb_test import logger
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from proboscis import asserts
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from stacklight_tests.helpers import remote_ops
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from stacklight_tests import settings
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PLUGIN_PACKAGE_RE = re.compile(r'([^/]+)-(\d+\.\d+)-(\d+\.\d+\.\d+)')
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class NotFound(Exception):
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pass
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class TimeoutException(Exception):
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pass
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def get_plugin_name(filename):
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"""Extract the plugin name from the package filename.
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:param filename: the plugin's filename.
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:type filename: str
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:returns: the plugin's name or None if not found
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:rtype: str
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"""
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m = PLUGIN_PACKAGE_RE.search(filename or '')
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if m:
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return m.group(1)
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else:
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return None
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def get_plugin_version(filename):
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"""Extract the plugin version from the package filename.
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:param filename: the plugin's filename.
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:type filename: str
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:returns: the plugin's version or None if not found
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:rtype: str
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"""
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m = PLUGIN_PACKAGE_RE.search(filename or '')
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if m:
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return m.group(3)
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else:
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return None
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def get_fixture(name):
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"""Return the full path to a fixture."""
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path = os.path.join(os.environ.get("WORKSPACE", "./"), "fixtures", name)
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if not os.path.isfile(path):
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raise NotFound("File {} not found".format(path))
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return path
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class PluginHelper(object):
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"""Class for common help functions."""
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def __init__(self, env):
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self.env = env
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self.fuel_web = self.env.fuel_web
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self._cluster_id = None
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self.nailgun_client = self.fuel_web.client
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self._os_conn = None
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@property
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def cluster_id(self):
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if self._cluster_id is None:
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try:
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self._cluster_id = self.fuel_web.get_last_created_cluster()
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except urllib2.URLError:
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raise EnvironmentError("No cluster was created.")
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return self._cluster_id
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@cluster_id.setter
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def cluster_id(self, value):
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self._cluster_id = value
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@property
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def os_conn(self):
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if self._os_conn is None:
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self._os_conn = os_actions.OpenStackActions(
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self.fuel_web.get_public_vip(self.cluster_id))
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return self._os_conn
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def prepare_plugin(self, plugin_path):
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"""Upload and install plugin by path."""
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self.env.admin_actions.upload_plugin(plugin=plugin_path)
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self.env.admin_actions.install_plugin(
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plugin_file_name=os.path.basename(plugin_path))
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def get_plugin_setting(self, plugin, parameter):
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"""Return the given parameter's value for the plugin.
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:param plugin: name of the plugin.
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:type plugin: str
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:param parameter: name of the parameter.
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:type parameter: str
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:returns: parameter's value
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"""
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asserts.assert_true(
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self.fuel_web.check_plugin_exists(self.cluster_id, plugin),
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"Plugin {0} isn't found.".format(plugin))
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attributes = self.nailgun_client.get_cluster_attributes(
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self.cluster_id)
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attributes = attributes['editable'][plugin]
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value = None
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for item in attributes['metadata']['versions']:
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if (parameter in item and
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item['metadata']['plugin_id'] ==
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attributes['metadata']['chosen_id']):
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value = item[parameter]['value']
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break
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asserts.assert_is_not_none(
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value, "Could not find parameter {0} for plugin {1}".format(
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parameter, plugin))
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return value
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def activate_plugin(self, name, version, options=None, strict=False):
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"""Enable and configure a plugin for the cluster.
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:param name: name of the plugin.
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:type name: str
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:param version: version of the plugin.
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:type name: str
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:param options: configuration of the plugin (optional).
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:type options: dict
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:param strict: whether or not to fail when setting an unknown option
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(default: False).
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:type strict: boolean
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:returns: None
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"""
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if options is None:
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options = {}
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msg = "Plugin {0} isn't found.".format(name)
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asserts.assert_true(
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self.fuel_web.check_plugin_exists(self.cluster_id, name),
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msg)
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logger.info("Updating settings for plugin {0} ({1}): {2}".format(
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name, version, options))
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attributes = self.nailgun_client.get_cluster_attributes(
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self.cluster_id)
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attributes = attributes['editable'][name]
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plugin_data = None
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for item in attributes['metadata']['versions']:
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if item['metadata']['plugin_version'] == version:
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plugin_data = item
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break
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asserts.assert_is_not_none(
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plugin_data, "Plugin {0} ({1}) is not found".format(name, version))
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attributes['metadata']['enabled'] = True
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for option, value in options.items():
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path = option.split("/")
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for p in path[:-1]:
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if p in plugin_data:
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plugin_option = plugin_data[p]
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else:
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msg = "Plugin option {} not found".format(option)
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if strict:
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raise NotFound(msg)
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logger.warn(msg)
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plugin_option = None
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break
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if plugin_option is not None:
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plugin_option[path[-1]] = value
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self.nailgun_client.update_cluster_attributes(self.cluster_id, {
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"editable": {name: attributes}
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})
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def get_vip_address(self, vip_name):
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"""Get the virtual IP address.
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:param vip_name: name of the VIP.
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:type vip_name: str
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:returns: the VIP address in dotted-decimal notation
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:rtype: str
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"""
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networks = self.nailgun_client.get_networks(self.cluster_id)
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vip = networks.get('vips').get(vip_name, {}).get('ipaddr', None)
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asserts.assert_is_not_none(
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vip, "Failed to get the IP of {} server".format(vip_name))
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logger.debug("VIP '{0}': {1}".format(vip_name, vip))
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return vip
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def get_all_ready_nodes(self):
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return [node for node in
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self.nailgun_client.list_cluster_nodes(self.cluster_id)
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if node["status"] == "ready"]
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def create_cluster(self, name=None, settings=None):
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"""Create a cluster.
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:param name: name of the cluster.
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:type name: str
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:param settings: optional dict containing the cluster's configuration.
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:type settings: dict
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:returns: the cluster's id
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:rtype: str
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"""
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if not name:
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name = self.__class__.__name__
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self._cluster_id = self.env.fuel_web.create_cluster(
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name=name,
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settings=settings,
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mode='ha_compact')
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return self._cluster_id
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def deploy_cluster(self, nodes_roles, verify_network=False,
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update_interfaces=True, check_services=True,
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timeout=settings.DEPLOYMENT_TIMEOUT):
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"""Assign roles to nodes and deploy the cluster.
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:param nodes_roles: nodes to roles mapping.
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:type nodes_roles: dict
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:param verify_network: whether or not network verification should be
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run before the deployment (default: False).
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:type verify_network: boolean
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:param update_interfaces: whether or not interfaces should be updated
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before the deployment (default: True).
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:type update_interfaces: boolean
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:param check_services: whether or not OSTF tests should run after the
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deployment (default: True).
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:type check_services: boolean
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:param timeout: deployment timeout: after run out of it
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deployment process will be stopped with exception.
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:type timeout: int
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:returns: None
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"""
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self.fuel_web.update_nodes(self.cluster_id, nodes_roles,
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update_interfaces=update_interfaces)
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if verify_network:
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self.fuel_web.verify_network(self.cluster_id)
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self.fuel_web.deploy_cluster_wait(self.cluster_id,
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check_services=check_services,
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timeout=timeout)
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def run_ostf(self, *args, **kwargs):
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"""Run the OpenStack health checks."""
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self.fuel_web.run_ostf(self.cluster_id, *args, **kwargs)
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def run_single_ostf(self, test_sets, test_name, *args, **kwargs):
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"""Run a subset of the OpenStack health checks."""
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self.fuel_web.run_single_ostf_test(self.cluster_id, test_sets,
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test_name, *args, **kwargs)
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def add_nodes_to_cluster(self, nodes, redeploy=True, check_services=False):
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"""Add nodes to the cluster.
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:param nodes: list of nodes with their roles.
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:type: nodes: dict
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:param redeploy: whether to redeploy the cluster (default: True).
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:type redeploy: boolean
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:param check_services: run OSTF after redeploy (default: False).
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:type check_services: boolean
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"""
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self.fuel_web.update_nodes(
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self.cluster_id,
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nodes,
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)
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if redeploy:
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self.fuel_web.deploy_cluster_wait(self.cluster_id,
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check_services=check_services)
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def remove_nodes_from_cluster(self, nodes, redeploy=True,
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check_services=False):
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"""Remove nodes from the cluster.
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:param nodes: list of nodes to remove from the cluster.
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:type nodes: dict
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:param redeploy: whether to redeploy the cluster (default: True).
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:type redeploy: boolean
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:param check_services: run OSTF after redeploy (default: False).
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:type check_services: boolean
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"""
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self.fuel_web.update_nodes(
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self.cluster_id,
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nodes,
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pending_addition=False, pending_deletion=True,
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)
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if redeploy:
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self.fuel_web.deploy_cluster_wait(self.cluster_id,
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check_services=check_services)
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def get_master_node_by_role(self, role_name, excluded_nodes_fqdns=()):
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"""Return the node running as the Designated Controller (DC).
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"""
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nodes = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
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self.cluster_id, role_name)
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nodes = [node for node in nodes
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if node['fqdn'] not in set(excluded_nodes_fqdns)]
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with self.fuel_web.get_ssh_for_nailgun_node(nodes[0]) as remote:
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stdout = remote.check_call(
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'pcs status cluster | grep "Current DC:"')["stdout"][0]
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for node in nodes:
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if node['fqdn'] in stdout:
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return node
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@staticmethod
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def get_vip_resource_name(vip_name):
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"""Return the name of the VIP resource.
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"""
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return "".join(["vip__", vip_name])
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def get_node_with_vip(self, role_name, vip, exclude_node=None):
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nailgun_nodes = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
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self.cluster_id, role_name)
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lma_nodes = self.fuel_web.get_devops_nodes_by_nailgun_nodes(
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nailgun_nodes)
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lma_node = None
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if exclude_node:
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for node in lma_nodes:
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if node.name != exclude_node.name:
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lma_node = node
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break
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else:
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lma_node = lma_nodes[0]
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return self.fuel_web.get_pacemaker_resource_location(
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lma_node.name, vip)[0]
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def wait_for_vip_migration(self, old_master, role_name, vip,
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timeout=5 * 60):
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logger.info('Waiting for the migration of VIP {}'.format(vip))
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msg = "VIP {0} has not been migrated away from {1}".format(
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vip, old_master)
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helpers.wait(
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lambda: old_master != self.get_node_with_vip(
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role_name, vip, exclude_node=old_master),
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timeout=timeout, timeout_msg=msg)
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def power_off_node(self, node):
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"""Power off a node.
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:param node: Devops node.
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:type node: devops node instance
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"""
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msg = 'Node {0} has not become offline after hard shutdown'.format(
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node.name)
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logger.info('Power off node %s', node.name)
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node.destroy()
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logger.info('Wait a %s node offline status', node.name)
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helpers.wait(lambda: not self.fuel_web.get_nailgun_node_by_devops_node(
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node)['online'], timeout=60 * 5, timeout_msg=msg)
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def emulate_whole_network_disaster(self, delay_before_recover=5 * 60,
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wait_become_online=True):
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"""Simulate a full network outage for all nodes.
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:param delay_before_recover: outage interval in seconds (default: 300).
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:type delay_before_recover: int
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:param wait_become_online: whether to wait for nodes to be back online.
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:type wait_become_online: bool
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"""
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nodes = [node for node in self.env.d_env.get_nodes()
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if node.driver.node_active(node)]
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networks_interfaces = nodes[1].interfaces
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for interface in networks_interfaces:
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interface.network.block()
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time.sleep(delay_before_recover)
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for interface in networks_interfaces:
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interface.network.unblock()
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if wait_become_online:
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self.fuel_web.wait_nodes_get_online_state(nodes[1:])
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def uninstall_plugin(self, plugin_name, plugin_version, exit_code=0,
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msg=None):
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"""Remove a plugin.
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:param plugin_name: plugin's name.
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:type plugin_name: str
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:param plugin_version: plugin's version.
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:type plugin_version: str
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:param exit_code: expected exit code.
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:type exit_code: int
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:param msg: message in case of error.
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:type msg: str
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"""
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logger.info("Trying to uninstall {name}({version}) plugin".format(
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name=plugin_name,
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version=plugin_version))
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msg = msg or "Plugin {0} deletion failed: exit code is {1}"
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with self.env.d_env.get_admin_remote() as remote:
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exec_res = remote.execute("fuel plugins --remove"
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" {0}=={1}".format(plugin_name,
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plugin_version))
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asserts.assert_equal(
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exit_code, exec_res['exit_code'],
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msg.format(plugin_name, exec_res['exit_code']))
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def check_plugin_cannot_be_uninstalled(self, plugin_name, plugin_version):
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"""Check that the plugin cannot be uninstalled.
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:param plugin_name: plugin's name.
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:type plugin_name: str
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:param plugin_version: plugin's version.
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:type plugin_version: str
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"""
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self.uninstall_plugin(
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plugin_name=plugin_name, plugin_version=plugin_version,
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exit_code=1,
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msg='{name}({version}) plugin deletion must not be allowed '
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'when it is deployed'.format(name=plugin_name,
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version=plugin_version))
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def get_hostname_by_node_name(self, changed_node):
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node = self.fuel_web.get_nailgun_node_by_base_name(changed_node)
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if node is None:
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raise NotFound("Nailgun node with '{}' in name not found".format(
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changed_node))
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return node['hostname']
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def fuel_createmirror(self, option="", exit_code=0):
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cmd = "fuel-createmirror {0}".format(option)
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logger.info("Executing '{}' command.".format(cmd))
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with self.env.d_env.get_admin_remote() as remote:
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exec_res = remote.execute(cmd)
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asserts.assert_equal(
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exit_code, exec_res['exit_code'],
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'fuel-createmirror failed: {0}'.format(exec_res['stderr']))
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def replace_ubuntu_mirror_with_mos(self):
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cmds = ["fuel-mirror create -P ubuntu -G mos",
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"fuel-mirror apply --replace -P ubuntu -G mos"]
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logger.info("Executing '{}' commands.".format('\n'.join(cmds)))
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with self.env.d_env.get_admin_remote() as remote:
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for cmd in cmds:
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remote.check_call(cmd)
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def fuel_create_repositories(self, nodes):
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"""Start task to setup repositories on provided nodes.
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:param nodes: list of nodes to run task on them
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:type nodes: list
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"""
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nodes_ids = [str(node['id']) for node in nodes]
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cmd = (
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"fuel --env {env_id} "
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"node --node-id {nodes_ids} "
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"--tasks setup_repositories".format(
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env_id=self.cluster_id,
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nodes_ids=' '.join(nodes_ids))
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)
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logger.info(
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"Executing {cmd} command.".format(cmd=cmd))
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with self.env.d_env.get_admin_remote() as remote:
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remote.check_call(cmd)
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def run_tasks(self, nodes, tasks=None, start=None, end=None,
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timeout=10 * 60):
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"""Run a set of tasks on nodes and wait for completion.
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The list of tasks is provided using the 'tasks' parameter and it can
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also be specified using the 'start' and/or 'end' parameters. In the
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latter case, the method will compute the exact set of tasks to be
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executed.
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:param nodes: list of nodes that should run the tasks
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:type nodes: list
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:param tasks: list of tasks to run.
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:param tasks: list
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:param start: the task from where to start the deployment.
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:param start: str
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:param end: the task where to end the deployment.
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:param end: str
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:param timeout: number of seconds to wait for the tasks completion
|
|
(default: 600).
|
|
:param timeout: int
|
|
"""
|
|
task_ids = []
|
|
if tasks is not None:
|
|
task_ids += tasks
|
|
if start is not None or end is not None:
|
|
task_ids += [
|
|
t["id"] for t in self.nailgun_client.get_end_deployment_tasks(
|
|
self.cluster_id, end=end or '', start=start or '')]
|
|
node_ids = ",".join([str(node["id"]) for node in nodes])
|
|
logger.info("Running tasks {0} for nodes {1}".format(
|
|
",".join(task_ids), node_ids))
|
|
result = self.nailgun_client.put_deployment_tasks_for_cluster(
|
|
self.cluster_id, data=task_ids, node_id=node_ids)
|
|
self.fuel_web.assert_task_success(result, timeout=timeout)
|
|
|
|
def apply_maintenance_update(self):
|
|
"""Method applies maintenance updates on whole cluster."""
|
|
logger.info("Applying maintenance updates on master node")
|
|
self.env.admin_install_updates()
|
|
|
|
logger.info("Applying maintenance updates on slaves")
|
|
slaves_mu_script_url = (
|
|
"https://github.com/Mirantis/tools-sustaining/"
|
|
"raw/master/scripts/mos_apply_mu.py")
|
|
|
|
path_to_mu_script = "/tmp/mos_apply_mu.py"
|
|
|
|
with self.env.d_env.get_admin_remote() as remote:
|
|
remote.check_call("wget {uri} -O {path}".format(
|
|
uri=slaves_mu_script_url,
|
|
path=path_to_mu_script)
|
|
)
|
|
|
|
remote.check_call(
|
|
"python {path} "
|
|
"--env-id={identifier} "
|
|
"--user={username} "
|
|
"--pass={password} "
|
|
"--tenant={tenant_name} --update".format(
|
|
path=path_to_mu_script,
|
|
identifier=self.cluster_id,
|
|
**settings.KEYSTONE_CREDS
|
|
)
|
|
)
|
|
|
|
controllers = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
|
|
self.cluster_id, roles=['controller', ])
|
|
|
|
computes = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
|
|
self.cluster_id, roles=['compute', ])
|
|
|
|
logger.info("Restarting all OpenStack services")
|
|
|
|
logger.info("Restarting services on controllers")
|
|
ha_services = (
|
|
"p_heat-engine",
|
|
"p_neutron-plugin-openvswitch-agent",
|
|
"p_neutron-dhcp-agent",
|
|
"p_neutron-metadata-agent",
|
|
"p_neutron-l3-agent")
|
|
non_ha_services = (
|
|
"heat-api-cloudwatch",
|
|
"heat-api-cfn",
|
|
"heat-api",
|
|
"cinder-api",
|
|
"cinder-scheduler",
|
|
"nova-objectstore",
|
|
"nova-cert",
|
|
"nova-api",
|
|
"nova-consoleauth",
|
|
"nova-conductor",
|
|
"nova-scheduler",
|
|
"nova-novncproxy",
|
|
"neutron-server",
|
|
)
|
|
for controller in controllers:
|
|
with self.fuel_web.get_ssh_for_nailgun_node(
|
|
controller) as remote:
|
|
for service in ha_services:
|
|
remote_ops.manage_pacemaker_service(remote, service)
|
|
for service in non_ha_services:
|
|
remote_ops.manage_service(remote, service)
|
|
|
|
logger.info("Restarting services on computes")
|
|
compute_services = (
|
|
"neutron-plugin-openvswitch-agent",
|
|
"nova-compute",
|
|
)
|
|
for compute in computes:
|
|
with self.fuel_web.get_ssh_for_nailgun_node(compute) as remote:
|
|
for service in compute_services:
|
|
remote_ops.manage_service(remote, service)
|
|
|
|
@staticmethod
|
|
def wait_for_resource_status(resource_client, resource, expected_status,
|
|
timeout=180, interval=30):
|
|
start = time.time()
|
|
finish = start + timeout
|
|
while start < finish:
|
|
curr_state = resource_client.get(resource).status
|
|
if curr_state == expected_status:
|
|
return
|
|
else:
|
|
logger.debug(
|
|
"Instance is not in {} status".format(expected_status))
|
|
time.sleep(interval)
|
|
start = time.time()
|
|
raise TimeoutException("Timed out waiting to become {}".format(
|
|
expected_status))
|
|
|
|
def get_fuel_release(self):
|
|
version = self.nailgun_client.get_api_version()
|
|
return version.get('release')
|
|
|
|
def check_pacemaker_resource(self, resource_name, role, is_ha=True):
|
|
"""Check that the pacemaker resource is started on nodes with given
|
|
role.
|
|
:param resource_name: the name of the pacemaker resource
|
|
:type resource_name: str
|
|
:param role: the role of node when pacemaker is running
|
|
:type role: str
|
|
:returns: None
|
|
"""
|
|
n_ctrls = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
|
|
self.cluster_id, [role])
|
|
d_ctrls = self.fuel_web.get_devops_nodes_by_nailgun_nodes(n_ctrls)
|
|
pcm_nodes = ' '.join(self.fuel_web.get_pcm_nodes(
|
|
d_ctrls[0].name, pure=True)['Online'])
|
|
logger.info("pacemaker nodes are {0}".format(pcm_nodes))
|
|
resource_nodes = self.fuel_web.get_pacemaker_resource_location(
|
|
d_ctrls[0].name, "{}".format(resource_name))
|
|
if is_ha:
|
|
for resource_node in resource_nodes:
|
|
logger.info("Check resource [{0}] on node {1}".format(
|
|
resource_name, resource_node.name))
|
|
config = self.fuel_web.get_pacemaker_config(resource_node.name)
|
|
asserts.assert_not_equal(
|
|
re.search(
|
|
"Clone Set: clone_{0} \[{0}\]\s+Started: \[ {1} \]".
|
|
format(resource_name, pcm_nodes), config), None,
|
|
'Resource [{0}] is not properly configured'.format(
|
|
resource_name))
|
|
else:
|
|
asserts.assert_true(len(resource_nodes), 1)
|
|
config = self.fuel_web.get_pacemaker_config(resource_nodes[0].name)
|
|
logger.info("Check resource [{0}] on node {1}".format(
|
|
resource_name, resource_nodes[0].name))
|
|
asserts.assert_not_equal(
|
|
re.search("{0}\s+\(ocf::fuel:{1}\):\s+Started".format(
|
|
resource_name, resource_name.split("_")[1]), config), None,
|
|
'Resource [{0}] is not properly configured'.format(
|
|
resource_name))
|
|
|
|
def update_neutron_advanced_configuration(self, option, value):
|
|
"""Method updates current cluster neutron advanced configuration option
|
|
with provided value.
|
|
|
|
:param option: option to set
|
|
:type option: str
|
|
:param value: value to set
|
|
:type value: any
|
|
:return: None
|
|
"""
|
|
attributes = self.nailgun_client.get_cluster_attributes(
|
|
self.cluster_id)
|
|
nac_subdict = attributes['editable']['neutron_advanced_configuration']
|
|
nac_subdict[option]['value'] = value
|
|
self.nailgun_client.update_cluster_attributes(
|
|
self.cluster_id, attributes)
|
|
|
|
def create_image(self):
|
|
|
|
with tempfile.TemporaryFile() as fp:
|
|
fp.write('Test')
|
|
fp.seek(0)
|
|
image = self.os_conn.create_image(name='Redis',
|
|
container_format='bare',
|
|
disk_format='qcow2',
|
|
data=fp)
|
|
return image
|
|
|
|
@staticmethod
|
|
def verify(secs, func, step='', msg='', action='', duration=1000,
|
|
sleep_for=10, *args, **kwargs):
|
|
"""Arguments:
|
|
:secs: timeout time;
|
|
:func: function to be verified;
|
|
:step: number of test step;
|
|
:msg: message that will be displayed if an exception occurs;
|
|
:action: action that is performed by the method.
|
|
"""
|
|
logger.info("STEP:{0}, verify action: '{1}'".format(step, action))
|
|
now = time.time()
|
|
time_out = now + duration
|
|
try:
|
|
with timeout(secs, action):
|
|
while now < time_out:
|
|
result = func(*args, **kwargs)
|
|
if result or result is None:
|
|
return result
|
|
logger.info(
|
|
"{} is failed. Will try again".
|
|
format(action)
|
|
)
|
|
time.sleep(sleep_for)
|
|
now = time.time()
|
|
except Exception as exc:
|
|
logger.exception(exc)
|
|
if type(exc) is AssertionError:
|
|
msg = str(exc)
|
|
raise AssertionError(
|
|
"Step {} failed: {} Please refer to OpenStack logs for more "
|
|
"details.".format(step, msg)
|
|
)
|
|
else:
|
|
return result
|
|
|
|
@contextlib.contextmanager
|
|
def make_logical_db_unavailable(self, db_name, controller):
|
|
"""Context manager that renames all tables in provided database
|
|
to make it unavailable and renames it back on exit.
|
|
|
|
:param db_name: logical database name
|
|
:type db_name: str
|
|
:param controller: controller with MySQL database
|
|
:type controller: nailgun node
|
|
:returns: None, works as context manager
|
|
"""
|
|
cmd = (
|
|
"mysql -AN -e "
|
|
"\"select concat("
|
|
"'rename table {db_name}.', table_name, ' "
|
|
"to {db_name}.' , {method}(table_name) , ';') "
|
|
"from information_schema.tables "
|
|
"where table_schema = '{db_name}';"
|
|
"\" | mysql")
|
|
|
|
with self.fuel_web.get_ssh_for_nailgun_node(controller) as remote:
|
|
remote.check_call(cmd.format(db_name=db_name, method="upper"))
|
|
|
|
yield
|
|
|
|
with self.fuel_web.get_ssh_for_nailgun_node(controller) as remote:
|
|
remote.check_call(cmd.format(db_name=db_name, method="lower"))
|
|
|
|
|
|
def _raise_TimeOut(sig, stack):
|
|
raise TimeoutException()
|
|
|
|
|
|
class timeout(object):
|
|
"""Timeout context that will stop code running within context
|
|
if timeout is reached
|
|
|
|
>>with timeout(2):
|
|
... requests.get("http://msdn.com")
|
|
"""
|
|
|
|
def __init__(self, timeout, action):
|
|
self.timeout = timeout
|
|
self.action = action
|
|
|
|
def __enter__(self):
|
|
signal.signal(signal.SIGALRM, _raise_TimeOut)
|
|
signal.alarm(self.timeout)
|
|
|
|
def __exit__(self, exc_type, exc_val, exc_tb):
|
|
signal.alarm(0) # disable the alarm
|
|
if exc_type is not TimeoutException:
|
|
return False # never swallow other exceptions
|
|
else:
|
|
logger.info("Timeout {timeout}s exceeded for {call}".format(
|
|
call=self.action,
|
|
timeout=self.timeout
|
|
))
|
|
msg = ("Time limit exceeded while waiting for {call} to "
|
|
"finish.").format(call=self.action)
|
|
raise AssertionError(msg)
|