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ovs/rhel/usr_lib_systemd_system_openvswitch.service

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SYSTEMD
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[Unit]
Description=Open vSwitch
Before=network.target network.service
After=network-pre.target ovsdb-server.service ovs-vswitchd.service
PartOf=network.target
rhel-systemd: Restart openvswitch service if a daemon crashes Currently if either ovsdb-server or ovs-vswitchd is crashing the daemon is not restarting leaving the system in faulty state. This patch will detect the daemon crash and will restart the openvswitch service. Here is a (bit to wide) table showing the behavior before and after the patch. Note that only the Crash behavior has changed: Before patch: | Process Status | systemctl <> status | | ovs-vswitchd | ovsdb-server | openvswitch | ovs-vswitchd | ovsdb-server | +--------------+--------------+--------------+--------------+--------------+ systemctl start openvswitch* | started | started |active,exited |active,running|active,running| Crash vswitchd | crashed | stopped |inactive, dead|failed |inactive,dead | Crash ovsdb | stopped | crashed |inactive, dead|inactive,dead |failed | systemctl restart openvswitch | re-started | re-started |active,exited |active,running|active,running| systemctl restart ovs-vswitchd | re-started | re-started |active,exited |active,running|active,running| systemctl restart ovsdb-server | re-started | re-started |active,exited |active,running|active,running| systemctl stop openvswitch | stopped | stopped |inactive, dead|inactive,dead |inactive,dead | systemctl stop ovs-vswitchd | stopped | stopped |inactive, dead|inactive,dead |inactive,dead | systemctl stop ovsdb-server | stopped | stopped |inactive, dead|inactive,dead |inactive,dead | systemctl start ovs-vswitchd* | started | started |inactive, dead|active,running|active,running| systemctl start ovsdb-server* | not started | started |inactive, dead|inactive, dead|active,running| With patch: | Process Status | systemctk <> status | | ovs-vswitchd | ovsdb-server | openvswitch | ovs-vswitchd | ovsdb-server | +--------------+--------------+--------------+--------------+--------------+ systemctl start openvswitch* | started | started |active,exited |active,running|active,running| Crash vswitchd | crash,started| re-started |active,exited |active,running|active,running| Crash ovsdb | re-started | crash,started|active,exited |active,running|active,running| systemctl restart openvswitch | re-started | re-started |active,exited |active,running|active,running| systemctl restart ovs-vswitchd | re-started | re-started |active,exited |active,running|active,running| systemctl restart ovsdb-server | re-started | re-started |active,exited |active,running|active,running| systemctl stop openvswitch | stopped | stopped |inactive, dead|inactive,dead |inactive,dead | systemctl stop ovs-vswitchd | stopped | stopped |inactive, dead|inactive,dead |inactive,dead | systemctl stop ovsdb-server | stopped | stopped |inactive, dead|inactive,dead |inactive,dead | systemctl start ovs-vswitchd* | started | started |inactive, dead|active,running|active,running| systemctl start ovsdb-server* | not started | started |inactive, dead|inactive, dead|active,running| * These commands where executed when no ovs related processes where running. All other commands where executed when OVS was successfully running. Signed-off-by: Eelco Chaudron <echaudro@redhat.com> Acked-by: Markos Chandras <mchandras@suse.de> Acked-by: Aaron Conole <aconole@redhat.com> Acked-by: Flavio Leitner <fbl@sysclose.org> Signed-off-by: Russell Bryant <russell@ovn.org>
2017-02-27 15:56:41 -05:00
Requires=ovsdb-server.service
Requires=ovs-vswitchd.service
[Service]
Type=oneshot
ExecStart=/bin/true
ExecReload=/usr/share/openvswitch/scripts/ovs-systemd-reload
ExecStop=/bin/true
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target