2 Copyright (c) 2015 SONATA-NFV and Paderborn University
5 Licensed under the Apache License, Version 2.0 (the "License");
6 you may not use this file except in compliance with the License.
7 You may obtain a copy of the License at
9 http://www.apache.org/licenses/LICENSE-2.0
11 Unless required by applicable law or agreed to in writing, software
12 distributed under the License is distributed on an "AS IS" BASIS,
13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 See the License for the specific language governing permissions and
15 limitations under the License.
17 Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION]
18 nor the names of its contributors may be used to endorse or promote
19 products derived from this software without specific prior written
22 This work has been performed in the framework of the SONATA project,
23 funded by the European Commission under Grant number 671517 through
24 the Horizon 2020 and 5G-PPP programmes. The authors would like to
25 acknowledge the contributions of their colleagues of the SONATA
26 partner consortium (www.sonata-nfv.eu).
31 from tabulate
import tabulate
35 pp
= pprint
.PrettyPrinter(indent
=4)
38 class ZeroRpcClient(object):
41 self
.c
= zerorpc
.Client(heartbeat
=None, timeout
=120) #heartbeat=None, timeout=120
42 self
.c
.connect("tcp://127.0.0.1:4242") # TODO hard coded for now. we'll change this later
45 def execute_command(self
, args
):
46 if getattr(self
, args
["command"]) is not None:
47 # call the local method with the same name as the command arg
48 getattr(self
, args
["command"])(args
)
50 print("Command not implemented.")
52 def start(self
, args
):
54 if args
.get("network") is not None:
55 nw_list
= self
._parse
_network
(args
.get("network"))
56 r
= self
.c
.compute_action_start(
57 args
.get("datacenter"),
61 args
.get("docker_command")
66 r
= self
.c
.compute_action_stop(
67 args
.get("datacenter"), args
.get("name"))
71 r
= self
.c
.compute_list(
72 args
.get("datacenter"))
75 # for each container add a line to the output table
81 if len(status
.get("network")) > 0:
82 eth0ip
= status
.get("network")[0].get("ip")
83 eth0status
= "up" if status
.get(
84 "network")[0].get("up") else "down"
85 table
.append([status
.get("datacenter"),
90 status
.get("state").get("Status")])
91 headers
= ["Datacenter",
97 print(tabulate(table
, headers
=headers
, tablefmt
="grid"))
99 def status(self
, args
):
100 r
= self
.c
.compute_status(
101 args
.get("datacenter"), args
.get("name"))
104 def _create_dict(self
, **kwargs
):
107 def _parse_network(self
, network_str
):
109 parse the options for all network interfaces of the vnf
110 :param network_str: (id=x,ip=x.x.x.x/x), ...
111 :return: list of dicts [{"id":x,"ip":"x.x.x.x/x"}, ...]
114 networks
= network_str
[1:-1].split('),(')
116 nw_dict
= dict(tuple(e
.split('=')) for e
in nw
.split(','))
117 nw_list
.append(nw_dict
)
123 parser
= argparse
.ArgumentParser(description
='son-emu compute')
126 choices
=['start', 'stop', 'list', 'status'],
127 help="Action to be executed.")
129 "--datacenter", "-d", dest
="datacenter",
130 help="Data center to in which the compute instance should be executed")
132 "--name", "-n", dest
="name",
133 help="Name of compute instance e.g. 'vnf1'")
135 "--image","-i", dest
="image",
136 help="Name of container image to be used e.g. 'ubuntu:trusty'")
138 "--dcmd", "-c", dest
="docker_command",
139 help="Startup command of the container e.g. './start.sh'")
141 "--net", dest
="network",
142 help="Network properties of a compute instance e.g. \
143 '(id=input,ip=10.0.10.3/24),(id=output,ip=10.0.10.4/24)' for multiple interfaces.")
146 args
= vars(parser
.parse_args(argv
))
148 c
.execute_command(args
)