systemd + ryu

[root@kunpeng82 ryu]# pwd
/root/ryu
[root@kunpeng82 ryu]# vi /etc/systemd/system/openflow.service
[Unit]
Description = openflow controler

[Service]
#ExecStart=/usr/local/bin/ryu-manager /usr/local/lib/python2.7/dist-packages/ryu/app/simple_switch_13.py
ExecStart=/usr/local/bin/ryu-manager /root/ryu/ryu/ryu/app/simple_switch_13.py
Restart=always
Type=simple

[Install]
WantedBy=multi-user.target

"/etc/systemd/system/openflow.service" 11L, 300C written
[root@kunpeng82 ryu]# systemctl list-unit-files --type=service | grep openflow
openflow.service                              disabled
[root@kunpeng82 ryu]# systemctl start openflow
[root@kunpeng82 ryu]# ps -alxg | grep ryu-manager
4     0 60138     1  20   0 167104 55104 ep_pol Ss   ?          0:01 /bin/python3 /usr/local/bin/ryu-manager /root/ryu/ryu/ryu/app/simple_switch_13.py
0     0 60144 59968  20   0 110656  2496 pipe_w S+   pts/0      0:00 grep --color=auto ryu-manager

 

[root@kunpeng82 app]# pip3 list | grep ryu
DEPRECATION: The default format will switch to columns in the future. You can use --format=(legacy|columns) (or define a format=(legacy|columns) in your pip.conf under the [list] section) to disable this warning.
ryu (4.34)
[root@kunpeng82 app]# pip3 show  ryu
Name: ryu
Version: 4.34
Summary: Component-based Software-defined Networking Framework
Home-page: https://ryu-sdn.org
Author: Ryu project team
Author-email: ryu-devel@lists.sourceforge.net
License: Apache License 2.0
Location: /usr/local/lib/python3.6/site-packages
Requires: eventlet, msgpack, netaddr, oslo.config, ovs, routes, six, tinyrpc, webob
[root@kunpeng82 app]# ls /usr/local/lib/python3.6/site-packages/ryu
app   cfg.py  contrib     exception.py  hooks.py     lib     ofproto      services  topology
base  cmd     controller  flags.py      __init__.py  log.py  __pycache__  tests     utils.py
[root@kunpeng82 app]# ls /usr/local/lib/python3.6/site-packages/ryu/app/
bmpstation.py         __pycache__           simple_switch_12.py       simple_switch.py
cbench.py             rest_conf_switch.py   simple_switch_13.py       simple_switch_rest_13.py
conf_switch_key.py    rest_firewall.py      simple_switch_14.py       simple_switch_snort.py
example_switch_13.py  rest_qos.py           simple_switch_15.py       simple_switch_stp_13.py
gui_topology          rest_router.py        simple_switch_igmp_13.py  simple_switch_stp.py
__init__.py           rest_topology.py      simple_switch_igmp.py     simple_switch_websocket_13.py
ofctl                 rest_vtep.py          simple_switch_lacp_13.py  wsgi.py
ofctl_rest.py         simple_monitor_13.py  simple_switch_lacp.py     ws_topology.py
[root@kunpeng82 app]# rz -be 

[root@kunpeng82 app]# cp simple_switch_13_5.py  /usr/local/lib/python3.6/site-packages/ryu/app/
[root@kunpeng82 app]# /usr/local/bin/ryu-manager ryu.app.simple_switch_13_5