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# Copyright (c) 2016 Cloudbase Solutions Srl
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Command-line interface sub-commands related to replicas.
"""
import os
from cliff import command
from cliff import lister
from cliff import show
from coriolisclient.cli import formatter
class ReplicaExecutionFormatter(formatter.EntityFormatter):
columns = ("Replica ID",
"ID",
"Status",
"Created",
)
def _get_sorted_list(self, obj_list):
return sorted(obj_list, key=lambda o: o.created_at)
def _get_formatted_data(self, obj):
data = (obj.action_id,
obj.id,
obj.status,
obj.created_at,
)
return data
class ReplicaExecutionDetailFormatter(formatter.EntityFormatter):
columns = ("id",
"replica_id",
"status",
"created",
"last_updated",
"instances",
"tasks",
)
def _format_instances(self, obj):
return os.linesep.join(sorted(set([t.instance for t in obj.tasks])))
def _format_progress_updates(self, task_dict):
return ("%(ls)s" % {"ls": os.linesep}).join(
[self._format_progress_update(p) for p in
sorted(task_dict.get("progress_updates", []),
key=lambda p: (p.get("index", 0), p["created_at"]))])
def _format_task(self, task):
d = task.to_dict()
d["depends_on"] = ", ".join(d.get("depends_on") or [])
progress_updates_format = "progress_updates:"
progress_updates = self._format_progress_updates(d)
if progress_updates:
progress_updates_format += os.linesep
progress_updates_format += progress_updates
return os.linesep.join(
["%s: %s" % (k, d.get(k) or "") for k in
['id',
'task_type',
'instance',
'status',
'depends_on',
'exception_details']] +
[progress_updates_format])
def _format_tasks(self, obj):
return ("%(ls)s%(ls)s" % {"ls": os.linesep}).join(
[self._format_task(t) for t in obj.tasks])
def _get_formatted_data(self, obj):
data = (obj.id,
obj.action_id,
obj.status,
obj.created_at,
obj.updated_at,
self._format_instances(obj),
self._format_tasks(obj),
)
return data
class CreateReplicaExecution(show.ShowOne):
"""Start a replica execution"""
def get_parser(self, prog_name):
parser = super(CreateReplicaExecution, self).get_parser(prog_name)
parser.add_argument('replica',
help='The ID of the replica to execute')
parser.add_argument('--shutdown-instances',
help='Shutdown instances before executing the '
'replica', action='store_true',
default=False)
return parser
def take_action(self, args):
execution = self.app.client_manager.coriolis.replica_executions.create(
args.replica, args.shutdown_instances)
return ReplicaExecutionDetailFormatter().get_formatted_entity(
execution)
class ShowReplicaExecution(show.ShowOne):
"""Show a replica execution"""
def get_parser(self, prog_name):
parser = super(ShowReplicaExecution, self).get_parser(prog_name)
parser.add_argument('replica', help='The replica\'s id')
parser.add_argument('id', help='The replica execution\'s id')
return parser
def take_action(self, args):
execution = self.app.client_manager.coriolis.replica_executions.get(
args.replica, args.id)
return ReplicaExecutionDetailFormatter().get_formatted_entity(
execution)
class CancelReplicaExecution(command.Command):
"""Cancel a replica execution"""
def get_parser(self, prog_name):
parser = super(CancelReplicaExecution, self).get_parser(prog_name)
parser.add_argument('replica', help='The replica\'s id')
parser.add_argument('id', help='The replica execution\'s id')
parser.add_argument('--force',
help='Perform a forced termination of running '
'tasks', action='store_true',
default=False)
return parser
def take_action(self, args):
self.app.client_manager.coriolis.replica_executions.cancel(
args.replica, args.id, args.force)
class DeleteReplicaExecution(command.Command):
"""Delete a replica execution"""
def get_parser(self, prog_name):
parser = super(DeleteReplicaExecution, self).get_parser(prog_name)
parser.add_argument('replica', help='The replica\'s id')
parser.add_argument('id', help='The replica execution\'s id')
return parser
def take_action(self, args):
self.app.client_manager.coriolis.replica_executions.delete(
args.replica, args.id)
class ListReplicaExecution(lister.Lister):
"""List replica executions"""
def get_parser(self, prog_name):
parser = super(ListReplicaExecution, self).get_parser(prog_name)
parser.add_argument('replica', help='The replica\'s id')
return parser
def take_action(self, args):
obj_list = self.app.client_manager.coriolis.replica_executions.list(
args.replica)
return ReplicaExecutionFormatter().list_objects(obj_list)
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