118 lines
3.8 KiB
Python
118 lines
3.8 KiB
Python
# Copyright (c) 2014 ITOCHU Techno-Solutions Corporation.
|
|
#
|
|
# 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.
|
|
import base64
|
|
from rackclient import exceptions
|
|
from rackclient.v1 import base
|
|
|
|
|
|
class Process(base.Resource):
|
|
|
|
def __repr__(self):
|
|
return "<Process: %s>" % self.name
|
|
|
|
|
|
class ProcessManager(base.Manager):
|
|
|
|
resource_class = Process
|
|
|
|
def list(self, gid):
|
|
"""
|
|
Get a list of all processes in the specified group.
|
|
|
|
:param gid: ID of the group.
|
|
:rtype: list of Process.
|
|
"""
|
|
return self._list("/groups/%s/processes" % gid, "processes")
|
|
|
|
def get(self, gid, pid):
|
|
"""
|
|
Get a server.
|
|
|
|
:param gid: ID of the group.
|
|
:param pid: ID of the process to get.
|
|
:rtype: Process.
|
|
"""
|
|
return self._get("/groups/%s/processes/%s" % (gid, pid), "process")
|
|
|
|
def create(self, gid, ppid=None, **kwargs):
|
|
'''
|
|
Create a process.
|
|
|
|
If you give a ppid(Parent process ID),
|
|
all other parameters will be inherited to its child process,
|
|
but you can override them.
|
|
|
|
Parameters in kwargs:
|
|
|
|
:param name: Name of the new process
|
|
:param nova_flavor_id: ID of a flavor
|
|
:param glance_image_id: ID of a glance image
|
|
:param keypair_id: ID of a keypair
|
|
:param list securitygroup_ids: List of IDs of securitygroups
|
|
:param userdata: file type object or string of script
|
|
:param dict args: Dict of key-value pairs to be stored as metadata
|
|
'''
|
|
|
|
securitygroup_ids = kwargs.get('securitygroup_ids')
|
|
if securitygroup_ids is not None and not isinstance(securitygroup_ids, list):
|
|
raise exceptions.CommandError("securitygroup_ids must be a list")
|
|
|
|
userdata = kwargs.get('userdata')
|
|
if userdata:
|
|
if hasattr(userdata, 'read'):
|
|
userdata = userdata.read()
|
|
userdata_b64 = base64.b64encode(userdata)
|
|
|
|
args = kwargs.get('args')
|
|
if args is not None and not isinstance(args, dict):
|
|
raise exceptions.CommandError("args must be a dict")
|
|
|
|
body = {
|
|
"process": {
|
|
"ppid": ppid,
|
|
"name": kwargs.get('name'),
|
|
"nova_flavor_id": kwargs.get('nova_flavor_id'),
|
|
"glance_image_id": kwargs.get('glance_image_id'),
|
|
"keypair_id": kwargs.get('keypair_id'),
|
|
"securitygroup_ids": securitygroup_ids,
|
|
"userdata": userdata_b64 if userdata else userdata,
|
|
"args": args
|
|
}
|
|
}
|
|
return self._create("/groups/%s/processes" % gid, body, "process")
|
|
|
|
def update(self, gid, pid, app_status):
|
|
"""
|
|
Update status of process.
|
|
|
|
:param gid: ID of the group.
|
|
:param pid: ID of the process.
|
|
:param app_status: Application layer status of the process.
|
|
"""
|
|
body = {
|
|
"process": {
|
|
"app_status": app_status
|
|
}
|
|
}
|
|
return self._update("/groups/%s/processes/%s" % (gid, pid), body, "process")
|
|
|
|
def delete(self, gid, pid):
|
|
"""
|
|
Delete a process.
|
|
|
|
:param gid: ID of the group.
|
|
:param pid: ID of the process to delete.
|
|
"""
|
|
self._delete("/groups/%s/processes/%s" % (gid, pid))
|