Public bug reported:
Commit 185d6cbc648fd041402a5034b04b818da5c7136e added support for
keepalived VRRP health check, but it will cause constantly VRRP
transitions if you actually enable the option
ha_vrrp_health_check_interval.
It seems to be because keepalived can't run ha_check_script_1.sh well,
while we can run ha_check_script_1.sh well by hand.
Sep 18 08:19:41 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
/var/lib/neutron/ha_confs/909c6b55-9bc6-476f-9d28-c32d031c41d7/ha_check_script_1.sh
exited with status 1
Sep 18 08:19:41 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Script(ha_health_check_1) failed
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) Entering FAULT STATE
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) removing protocol Virtual Routes
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) removing protocol VIPs.
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) removing protocol E-VIPs.
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) Now in FAULT state
root@juju-23f84c-queens-dvr-5:~# ll
/var/lib/neutron/ha_confs/909c6b55-9bc6-476f-9d28-c32d031c41d7/ha_check_script_1.sh
-r-x-w---- 1 neutron neutron 109 Sep 18 03:45
/var/lib/neutron/ha_confs/909c6b55-9bc6-476f-9d28-c32d031c41d7/ha_check_script_1.sh*
** Affects: neutron
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1793102
Title:
ha_vrrp_health_check_interval causes constantly VRRP transitions
Status in neutron:
New
Bug description:
Commit 185d6cbc648fd041402a5034b04b818da5c7136e added support for
keepalived VRRP health check, but it will cause constantly VRRP
transitions if you actually enable the option
ha_vrrp_health_check_interval.
It seems to be because keepalived can't run ha_check_script_1.sh well,
while we can run ha_check_script_1.sh well by hand.
Sep 18 08:19:41 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
/var/lib/neutron/ha_confs/909c6b55-9bc6-476f-9d28-c32d031c41d7/ha_check_script_1.sh
exited with status 1
Sep 18 08:19:41 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Script(ha_health_check_1) failed
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) Entering FAULT STATE
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) removing protocol Virtual Routes
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) removing protocol VIPs.
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) removing protocol E-VIPs.
Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]:
VRRP_Instance(VR_1) Now in FAULT state
root@juju-23f84c-queens-dvr-5:~# ll
/var/lib/neutron/ha_confs/909c6b55-9bc6-476f-9d28-c32d031c41d7/ha_check_script_1.sh
-r-x-w---- 1 neutron neutron 109 Sep 18 03:45
/var/lib/neutron/ha_confs/909c6b55-9bc6-476f-9d28-c32d031c41d7/ha_check_script_1.sh*
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