service (Managing Services)
Syntax
service contrail-service ( start | stop | restart | status )
Description
Start, stop, or restart a Contrail service. Display the status of a Contrail service.
All contrail services are managed by the process supervisord, which is open source software written
in Python. Each Contrail node type, such as compute, control, and
so on, has an instance of supervisord that,
when running, launches Contrail services as child processes. All supervisord instances display in contrail-status output with the prefix supervisor. If
the supervisord instance of a particular
node type is not up, none of the services for that node type are up.
For more details about the open source supervisord process, see http://www.supervisord.org.
Options
start—start a named service.
stop—stop a named service.
restart—stop and restart a named service.
status—display the status of a named service.
Required Privilege Level
admin
Sample Output
The following examples show usage for the contrail-collector service, which is only configured
on nodes that have the roles of analytics, configuration, web-ui, or database.
Sample Output
[root@hostservice supervisor-analytics status supervisord (pid 32116) is running... [ [root@host]# service contrail-collector restart contrail-collector: stopped contrail-collector: started [root@host]# service contrail-collector stop contrail-collector: stopped [root@host]# service contrail-collector start contrail-collector: started [root@host]# service contrail-collector status contrail-collector RUNNING pid 20071, uptime 0:00:04
Release Information
Standard Linux command used for managing and viewing services in Contrail Controller Release 1.0.