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581 lines
22 KiB
581 lines
22 KiB
# Copyright 2014 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""
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The server module contains the objects and methods used to manage servers in
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Autotest.
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The valid actions are:
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list: list all servers in the database
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create: create a server
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delete: deletes a server
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modify: modify a server's role or status.
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The common options are:
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--role / -r: role that's related to server actions.
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See topic_common.py for a High Level Design and Algorithm.
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"""
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from __future__ import print_function
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import common
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from autotest_lib.cli import action_common
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from autotest_lib.cli import skylab_utils
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from autotest_lib.cli import topic_common
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from autotest_lib.client.common_lib import error
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from autotest_lib.client.common_lib import global_config
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from autotest_lib.client.common_lib import revision_control
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# The django setup is moved here as test_that uses sqlite setup. If this line
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# is in server_manager, test_that unittest will fail.
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from autotest_lib.frontend import setup_django_environment
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from autotest_lib.site_utils import server_manager
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from autotest_lib.site_utils import server_manager_utils
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from chromite.lib import gob_util
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try:
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from skylab_inventory import text_manager
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from skylab_inventory import translation_utils
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from skylab_inventory.lib import server as skylab_server
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except ImportError:
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pass
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RESPECT_SKYLAB_SERVERDB = global_config.global_config.get_config_value(
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'SKYLAB', 'respect_skylab_serverdb', type=bool, default=False)
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ATEST_DISABLE_MSG = ('Updating server_db via atest server command has been '
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'disabled. Please use use go/cros-infra-inventory-tool '
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'to update it in skylab inventory service.')
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class server(topic_common.atest):
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"""Server class
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atest server [list|create|delete|modify] <options>
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"""
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usage_action = '[list|create|delete|modify]'
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topic = msg_topic = 'server'
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msg_items = '<server>'
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def __init__(self, hostname_required=True, allow_multiple_hostname=False):
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"""Add to the parser the options common to all the server actions.
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@param hostname_required: True to require the command has hostname
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specified. Default is True.
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"""
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super(server, self).__init__()
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self.parser.add_option('-r', '--role',
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help='Name of a role',
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type='string',
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default=None,
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metavar='ROLE')
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self.parser.add_option('-x', '--action',
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help=('Set to True to apply actions when role '
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'or status is changed, e.g., restart '
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'scheduler when a drone is removed. %s' %
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skylab_utils.MSG_INVALID_IN_SKYLAB),
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action='store_true',
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default=False,
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metavar='ACTION')
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self.add_skylab_options(enforce_skylab=True)
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self.topic_parse_info = topic_common.item_parse_info(
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attribute_name='hostname', use_leftover=True)
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self.hostname_required = hostname_required
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self.allow_multiple_hostname = allow_multiple_hostname
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def parse(self):
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"""Parse command arguments.
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"""
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role_info = topic_common.item_parse_info(attribute_name='role')
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kwargs = {}
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if self.hostname_required:
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kwargs['req_items'] = 'hostname'
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(options, leftover) = super(server, self).parse([role_info], **kwargs)
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if options.web_server:
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self.invalid_syntax('Server actions will access server database '
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'defined in your local global config. It does '
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'not rely on RPC, no autotest server needs to '
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'be specified.')
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# self.hostname is a list. Action on server only needs one hostname at
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# most.
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if (not self.hostname and self.hostname_required):
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self.invalid_syntax('`server` topic requires hostname. '
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'Use -h to see available options.')
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if (self.hostname_required and not self.allow_multiple_hostname and
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len(self.hostname) > 1):
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self.invalid_syntax('`server` topic can only manipulate 1 server. '
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'Use -h to see available options.')
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if self.hostname:
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if not self.allow_multiple_hostname or not self.skylab:
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# Only support create multiple servers in skylab.
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# Override self.hostname with the first hostname in the list.
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self.hostname = self.hostname[0]
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self.role = options.role
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if self.skylab and self.role:
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translation_utils.validate_server_role(self.role)
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return (options, leftover)
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def output(self, results):
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"""Display output.
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For most actions, the return is a string message, no formating needed.
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@param results: return of the execute call.
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"""
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print(results)
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class server_help(server):
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"""Just here to get the atest logic working. Usage is set by its parent.
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"""
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pass
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class server_list(action_common.atest_list, server):
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"""atest server list [--role <role>]"""
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def __init__(self):
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"""Initializer.
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"""
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super(server_list, self).__init__(hostname_required=False)
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self.parser.add_option('-s', '--status',
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help='Only show servers with given status.',
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type='string',
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default=None,
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metavar='STATUS')
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self.parser.add_option('--json',
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help=('Format output as JSON.'),
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action='store_true',
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default=False)
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self.parser.add_option('-N', '--hostnames-only',
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help=('Only return hostnames.'),
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action='store_true',
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default=False)
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# TODO(crbug.com/850344): support '--table' and '--summary' formats.
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def parse(self):
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"""Parse command arguments.
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"""
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(options, leftover) = super(server_list, self).parse()
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self.json = options.json
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self.status = options.status
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self.namesonly = options.hostnames_only
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if sum([self.json, self.namesonly]) > 1:
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self.invalid_syntax('May only specify up to 1 output-format flag.')
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return (options, leftover)
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def execute_skylab(self):
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"""Execute 'atest server list --skylab'
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@return: A list of servers matched the given hostname and role.
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"""
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inventory_repo = skylab_utils.InventoryRepo(
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self.inventory_repo_dir)
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inventory_repo.initialize()
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infrastructure = text_manager.load_infrastructure(
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inventory_repo.get_data_dir())
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return skylab_server.get_servers(
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infrastructure,
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self.environment,
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hostname=self.hostname,
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role=self.role,
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status=self.status)
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def execute(self):
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"""Execute the command.
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@return: A list of servers matched given hostname and role.
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"""
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if self.skylab:
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try:
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return self.execute_skylab()
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except (skylab_server.SkylabServerActionError,
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revision_control.GitError,
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skylab_utils.InventoryRepoDirNotClean) as e:
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self.failure(e, what_failed='Failed to list servers from skylab'
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' inventory.', item=self.hostname, fatal=True)
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else:
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try:
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return server_manager_utils.get_servers(
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hostname=self.hostname,
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role=self.role,
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status=self.status)
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except (server_manager_utils.ServerActionError,
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error.InvalidDataError) as e:
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self.failure(e, what_failed='Failed to find servers',
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item=self.hostname, fatal=True)
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def output(self, results):
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"""Display output.
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@param results: return of the execute call, a list of server object that
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contains server information.
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"""
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if results:
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if self.json:
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if self.skylab:
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formatter = skylab_server.format_servers_json
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else:
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formatter = server_manager_utils.format_servers_json
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elif self.namesonly:
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formatter = server_manager_utils.format_servers_nameonly
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else:
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formatter = server_manager_utils.format_servers
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print(formatter(results))
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else:
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self.failure('No server is found.',
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what_failed='Failed to find servers',
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item=self.hostname, fatal=True)
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class server_create(server):
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"""atest server create hostname --role <role> --note <note>
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"""
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def __init__(self):
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"""Initializer.
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"""
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super(server_create, self).__init__(allow_multiple_hostname=True)
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self.parser.add_option('-n', '--note',
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help='note of the server',
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type='string',
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default=None,
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metavar='NOTE')
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def parse(self):
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"""Parse command arguments.
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"""
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(options, leftover) = super(server_create, self).parse()
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self.note = options.note
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if not self.role:
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self.invalid_syntax('--role is required to create a server.')
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return (options, leftover)
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def execute_skylab(self):
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"""Execute the command for skylab inventory changes."""
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inventory_repo = skylab_utils.InventoryRepo(
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self.inventory_repo_dir)
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inventory_repo.initialize()
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data_dir = inventory_repo.get_data_dir()
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infrastructure = text_manager.load_infrastructure(data_dir)
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new_servers = []
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for hostname in self.hostname:
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new_servers.append(skylab_server.create(
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infrastructure,
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hostname,
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self.environment,
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role=self.role,
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note=self.note))
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text_manager.dump_infrastructure(data_dir, infrastructure)
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message = skylab_utils.construct_commit_message(
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'Add new server: %s' % self.hostname)
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self.change_number = inventory_repo.upload_change(
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message, draft=self.draft, dryrun=self.dryrun,
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submit=self.submit)
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return new_servers
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def execute(self):
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"""Execute the command.
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@return: A Server object if it is created successfully.
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"""
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if RESPECT_SKYLAB_SERVERDB:
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self.failure(ATEST_DISABLE_MSG,
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what_failed='Failed to create server',
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item=self.hostname, fatal=True)
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if self.skylab:
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try:
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return self.execute_skylab()
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except (skylab_server.SkylabServerActionError,
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revision_control.GitError,
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gob_util.GOBError,
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skylab_utils.InventoryRepoDirNotClean) as e:
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self.failure(e, what_failed='Failed to create server in skylab '
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'inventory.', item=self.hostname, fatal=True)
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else:
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try:
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return server_manager.create(
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hostname=self.hostname,
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role=self.role,
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note=self.note)
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except (server_manager_utils.ServerActionError,
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error.InvalidDataError) as e:
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self.failure(e, what_failed='Failed to create server',
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item=self.hostname, fatal=True)
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def output(self, results):
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"""Display output.
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@param results: return of the execute call, a server object that
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contains server information.
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"""
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if results:
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print('Server %s is added.\n' % self.hostname)
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print(results)
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if self.skylab and not self.dryrun and not self.submit:
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print(skylab_utils.get_cl_message(self.change_number))
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class server_delete(server):
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"""atest server delete hostname"""
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def execute_skylab(self):
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"""Execute the command for skylab inventory changes."""
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inventory_repo = skylab_utils.InventoryRepo(
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self.inventory_repo_dir)
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inventory_repo.initialize()
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data_dir = inventory_repo.get_data_dir()
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infrastructure = text_manager.load_infrastructure(data_dir)
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skylab_server.delete(infrastructure, self.hostname, self.environment)
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text_manager.dump_infrastructure(data_dir, infrastructure)
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message = skylab_utils.construct_commit_message(
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'Delete server: %s' % self.hostname)
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self.change_number = inventory_repo.upload_change(
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message, draft=self.draft, dryrun=self.dryrun,
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submit=self.submit)
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def execute(self):
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"""Execute the command.
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@return: True if server is deleted successfully.
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"""
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if RESPECT_SKYLAB_SERVERDB:
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self.failure(ATEST_DISABLE_MSG,
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what_failed='Failed to delete server',
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item=self.hostname, fatal=True)
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if self.skylab:
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try:
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self.execute_skylab()
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return True
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except (skylab_server.SkylabServerActionError,
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revision_control.GitError,
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gob_util.GOBError,
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skylab_utils.InventoryRepoDirNotClean) as e:
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self.failure(e, what_failed='Failed to delete server from '
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'skylab inventory.', item=self.hostname,
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fatal=True)
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else:
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try:
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server_manager.delete(hostname=self.hostname)
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return True
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except (server_manager_utils.ServerActionError,
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error.InvalidDataError) as e:
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self.failure(e, what_failed='Failed to delete server',
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item=self.hostname, fatal=True)
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def output(self, results):
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"""Display output.
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@param results: return of the execute call.
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"""
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if results:
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print('Server %s is deleted.\n' %
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self.hostname)
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if self.skylab and not self.dryrun and not self.submit:
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print(skylab_utils.get_cl_message(self.change_number))
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class server_modify(server):
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"""atest server modify hostname
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modify action can only change one input at a time. Available inputs are:
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--status: Status of the server.
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--note: Note of the server.
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--role: New role to be added to the server.
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--delete_role: Existing role to be deleted from the server.
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"""
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def __init__(self):
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"""Initializer.
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"""
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super(server_modify, self).__init__()
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self.parser.add_option('-s', '--status',
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help='Status of the server',
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type='string',
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metavar='STATUS')
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self.parser.add_option('-n', '--note',
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help='Note of the server',
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type='string',
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default=None,
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metavar='NOTE')
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self.parser.add_option('-d', '--delete',
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help=('Set to True to delete given role.'),
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action='store_true',
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default=False,
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metavar='DELETE')
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self.parser.add_option('-a', '--attribute',
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help='Name of the attribute of the server',
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type='string',
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default=None,
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metavar='ATTRIBUTE')
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self.parser.add_option('-e', '--value',
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help='Value for the attribute of the server',
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type='string',
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default=None,
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metavar='VALUE')
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|
|
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def parse(self):
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"""Parse command arguments.
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"""
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(options, leftover) = super(server_modify, self).parse()
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self.status = options.status
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self.note = options.note
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self.delete = options.delete
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self.attribute = options.attribute
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self.value = options.value
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self.action = options.action
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# modify supports various options. However, it's safer to limit one
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# option at a time so no complicated role-dependent logic is needed
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# to handle scenario that both role and status are changed.
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# self.parser is optparse, which does not have function in argparse like
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# add_mutually_exclusive_group. That's why the count is used here.
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flags = [self.status is not None, self.role is not None,
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self.attribute is not None, self.note is not None]
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if flags.count(True) != 1:
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msg = ('Action modify only support one option at a time. You can '
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'try one of following 5 options:\n'
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'1. --status: Change server\'s status.\n'
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'2. --note: Change server\'s note.\n'
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'3. --role with optional -d: Add/delete role from server.\n'
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'4. --attribute --value: Set/change the value of a '
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'server\'s attribute.\n'
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'5. --attribute -d: Delete the attribute from the '
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'server.\n'
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|
'\nUse option -h to see a complete list of options.')
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self.invalid_syntax(msg)
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|
if (self.status != None or self.note != None) and self.delete:
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self.invalid_syntax('--delete does not apply to status or note.')
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if self.attribute != None and not self.delete and self.value == None:
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self.invalid_syntax('--attribute must be used with option --value '
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'or --delete.')
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# TODO(nxia): crbug.com/832964 support --action with --skylab
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if self.skylab and self.action:
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self.invalid_syntax('--action is currently not supported with'
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' --skylab.')
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return (options, leftover)
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|
|
|
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def execute_skylab(self):
|
|
"""Execute the command for skylab inventory changes."""
|
|
inventory_repo = skylab_utils.InventoryRepo(
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self.inventory_repo_dir)
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|
inventory_repo.initialize()
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|
data_dir = inventory_repo.get_data_dir()
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|
infrastructure = text_manager.load_infrastructure(data_dir)
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|
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target_server = skylab_server.modify(
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infrastructure,
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self.hostname,
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self.environment,
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role=self.role,
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|
status=self.status,
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delete_role=self.delete,
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note=self.note,
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attribute=self.attribute,
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value=self.value,
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delete_attribute=self.delete)
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|
text_manager.dump_infrastructure(data_dir, infrastructure)
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|
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status = inventory_repo.git_repo.status()
|
|
if not status:
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print('Nothing is changed for server %s.' % self.hostname)
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return
|
|
|
|
message = skylab_utils.construct_commit_message(
|
|
'Modify server: %s' % self.hostname)
|
|
self.change_number = inventory_repo.upload_change(
|
|
message, draft=self.draft, dryrun=self.dryrun,
|
|
submit=self.submit)
|
|
|
|
return target_server
|
|
|
|
|
|
def execute(self):
|
|
"""Execute the command.
|
|
|
|
@return: The updated server object if it is modified successfully.
|
|
"""
|
|
if RESPECT_SKYLAB_SERVERDB:
|
|
self.failure(ATEST_DISABLE_MSG,
|
|
what_failed='Failed to modify server',
|
|
item=self.hostname, fatal=True)
|
|
|
|
if self.skylab:
|
|
try:
|
|
return self.execute_skylab()
|
|
except (skylab_server.SkylabServerActionError,
|
|
revision_control.GitError,
|
|
gob_util.GOBError,
|
|
skylab_utils.InventoryRepoDirNotClean) as e:
|
|
self.failure(e, what_failed='Failed to modify server in skylab'
|
|
' inventory.', item=self.hostname, fatal=True)
|
|
else:
|
|
try:
|
|
return server_manager.modify(
|
|
hostname=self.hostname, role=self.role,
|
|
status=self.status, delete=self.delete,
|
|
note=self.note, attribute=self.attribute,
|
|
value=self.value, action=self.action)
|
|
except (server_manager_utils.ServerActionError,
|
|
error.InvalidDataError) as e:
|
|
self.failure(e, what_failed='Failed to modify server',
|
|
item=self.hostname, fatal=True)
|
|
|
|
|
|
def output(self, results):
|
|
"""Display output.
|
|
|
|
@param results: return of the execute call, which is the updated server
|
|
object.
|
|
"""
|
|
if results:
|
|
print('Server %s is modified.\n' % self.hostname)
|
|
print(results)
|
|
|
|
if self.skylab and not self.dryrun and not self.submit:
|
|
print(skylab_utils.get_cl_message(self.change_number))
|