[Bug 1585201] Re: improve systemd management of openvswitch daemons

Fri Jan 6 11:23:11 UTC 2017

https://github.com/openvswitch/ovs/tree/master/rhel contains an improved
model for management of all daemons.

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https://bugs.launchpad.net/bugs/1585201

Title:
  improve systemd management of openvswitch daemons

Status in openvswitch package in Ubuntu:
  Triaged

Bug description:
  Command 'service openvswitch-switch status' gives wrong status report,
  when process is already running and when it is not running:

  # ps auxf | grep openvswitch
  root     19115  0.0  0.0  12948  1088 pts/1    S+   13:17   0:00                      \_ grep --color=auto openvswitch
  root     17623  0.1  0.6 394040 50476 ?        SLl  11:22   0:07  \_ ovs-vswitchd unix:/var/run/openvswitch/db.sock -vconsole:emer -vsyslog:err -vfile:info --mlockall --no-chdir --log-file=/var/log/openvswitch/ovs-vswitchd.log --pidfile=/var/run/openvswitch/ovs-vswitchd.pid --detach --monitor
  root     19084  0.0  0.0  20324  3468 ?        S    13:11   0:00  \_ ovsdb-server /etc/openvswitch/conf.db -vconsole:emer -vsyslog:err -vfile:info --remote=punix:/var/run/openvswitch/db.sock --private-key=db:Open_vSwitch,SSL,private_key --certificate=db:Open_vSwitch,SSL,certificate --bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert --no-chdir --log-file=/var/log/openvswitch/ovsdb-server.log --pidfile=/var/run/openvswitch/ovsdb-server.pid --detach --monitor

  # service openvswitch-nonetwork status
  ● openvswitch-nonetwork.service - Open vSwitch Internal Unit
     Loaded: loaded (/lib/systemd/system/openvswitch-nonetwork.service; static; vendor preset: enabled)
     Active: active (exited) since Tue 2016-05-24 10:26:36 UTC; 2h 45min ago
   Main PID: 14855 (code=exited, status=0/SUCCESS)
     CGroup: /system.slice/openvswitch-nonetwork.service

  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Starting ovsdb-server
  May 24 10:26:36 de-xenial ovs-vsctl[14882]: ovs|00001|vsctl|INFO|Called as ovs-vsctl --no-wait -- init -- set Open_vSwitch . db-version=7.12.1
  May 24 10:26:36 de-xenial ovs-vsctl[14887]: ovs|00001|vsctl|INFO|Called as ovs-vsctl --no-wait set Open_vSwitch . ovs-version=2.5.0 "external-ids:system-id=\"681d704d-78ec-4f0e-947d-8caac9ac0e6e\"" "system-type=\"Ubuntu\"" "system-version=
  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Configuring Open vSwitch system IDs
  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Inserting openvswitch module
  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Starting ovs-vswitchd
  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Enabling remote OVSDB managers
  May 24 10:26:36 de-xenial systemd[1]: Started Open vSwitch Internal Unit.
  May 24 10:49:02 de-xenial systemd[1]: Started Open vSwitch Internal Unit.
  May 24 10:50:08 de-xenial systemd[1]: Started Open vSwitch Internal Unit.

  # service openvswitch-switch status
  ● openvswitch-switch.service - Open vSwitch
     Loaded: loaded (/lib/systemd/system/openvswitch-switch.service; enabled; vendor preset: enabled)
     Active: active (exited) since Tue 2016-05-24 10:26:36 UTC; 2h 45min ago
   Main PID: 14900 (code=exited, status=0/SUCCESS)

  May 24 10:26:36 de-xenial systemd[1]: Starting Open vSwitch...
  May 24 10:26:36 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:26:38 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:28:56 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:29:18 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:38:03 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:45:17 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:49:07 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:49:57 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:50:10 de-xenial systemd[1]: Started Open vSwitch.

  Then if process will be killed or stopped (for example, kill -9):

  # kill -9 17623
  # kill -9 19084
  #
  # ps auxf | grep openvswitch
  root     19129  0.0  0.0  12948  1004 pts/1    S+   13:19   0:00                      \_ grep --color=auto openvswitch

  We still have same status report:

  # service openvswitch-switch status
  ● openvswitch-switch.service - Open vSwitch
     Loaded: loaded (/lib/systemd/system/openvswitch-switch.service; enabled; vendor preset: enabled)
     Active: active (exited) since Tue 2016-05-24 10:26:36 UTC; 2h 53min ago
   Main PID: 14900 (code=exited, status=0/SUCCESS)

  May 24 10:26:36 de-xenial systemd[1]: Starting Open vSwitch...
  May 24 10:26:36 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:26:38 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:28:56 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:29:18 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:38:03 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:45:17 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:49:07 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:49:57 de-xenial systemd[1]: Started Open vSwitch.
  May 24 10:50:10 de-xenial systemd[1]: Started Open vSwitch.

  # service openvswitch-nonetwork status
  ● openvswitch-nonetwork.service - Open vSwitch Internal Unit
     Loaded: loaded (/lib/systemd/system/openvswitch-nonetwork.service; static; vendor preset: enabled)
     Active: active (exited) since Tue 2016-05-24 10:26:36 UTC; 2h 53min ago
   Main PID: 14855 (code=exited, status=0/SUCCESS)
     CGroup: /system.slice/openvswitch-nonetwork.service

  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Starting ovsdb-server
  May 24 10:26:36 de-xenial ovs-vsctl[14882]: ovs|00001|vsctl|INFO|Called as ovs-vsctl --no-wait -- init -- set Open_vSwitch . db-version=7.12.1
  May 24 10:26:36 de-xenial ovs-vsctl[14887]: ovs|00001|vsctl|INFO|Called as ovs-vsctl --no-wait set Open_vSwitch . ovs-version=2.5.0 "external-ids:system-id=\"681d704d-78ec-4f0e-947d-8caac9ac0e6e\"" "system-type=\"Ubuntu\"" "system-version=
  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Configuring Open vSwitch system IDs
  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Inserting openvswitch module
  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Starting ovs-vswitchd
  May 24 10:26:36 de-xenial ovs-ctl[14855]:  * Enabling remote OVSDB managers
  May 24 10:26:36 de-xenial systemd[1]: Started Open vSwitch Internal Unit.
  May 24 10:49:02 de-xenial systemd[1]: Started Open vSwitch Internal Unit.
  May 24 10:50:08 de-xenial systemd[1]: Started Open vSwitch Internal Unit.

  System release:

  # lsb_release -rd                                                                                                                                                                                    
  Description:    Ubuntu 16.04 LTS
  Release:        16.04

  Package info:

  # apt-cache policy openvswitch-switch
  openvswitch-switch:
    Installed: 2.5.0-0ubuntu1
    Candidate: 2.5.0-0ubuntu1
    Version table:
   *** 2.5.0-0ubuntu1 500
          500 http://nova.clouds.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
          100 /var/lib/dpkg/status

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