vrrpd: log why vrouter could not be started

If we do a checkstart and cannot start the VRRP router, log the reason
why for debugging purposes.

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2019-02-27 20:56:33 +00:00
parent c16fb34051
commit 6309f71c9b

View File

@ -242,6 +242,7 @@ void vrrp_check_start(struct vrrp_vrouter *vr)
{
struct vrrp_router *r;
bool start;
const char *whynot = NULL;
if (vr->shutdown || vr->ifp == NULL)
return;
@ -251,46 +252,62 @@ void vrrp_check_start(struct vrrp_vrouter *vr)
start = r->fsm.state == VRRP_STATE_INITIALIZE;
/* Must have a parent interface */
start = start && (vr->ifp != NULL);
whynot = (!start && !whynot) ? "No base interface" : NULL;
#if 0
/* Parent interface must be up */
start = start && if_is_operative(vr->ifp);
#endif
/* Parent interface must have at least one v4 */
start = start && vr->ifp->connected->count > 1;
whynot = (!start && !whynot) ? "No primary IPv4 address" : NULL;
/* Must have a macvlan interface */
start = start && (r->mvl_ifp != NULL);
whynot = (!start && !whynot) ? "No VRRP interface" : NULL;
#if 0
/* Macvlan interface must be admin up */
start = start && CHECK_FLAG(r->mvl_ifp->flags, IFF_UP);
#endif
/* Must have at least one VIP configured */
start = start && r->addrs->count > 0;
whynot = (!start && !whynot) ? "No Virtual IP address configured" : NULL;
if (start)
vrrp_event(r, VRRP_EVENT_STARTUP);
else if (whynot)
zlog_warn(VRRP_LOGPFX VRRP_LOGPFX_VRID
"Refusing to start IPv4 Virtual Router: %s",
vr->vrid, whynot);
r = vr->v6;
/* Must not already be started */
start = r->fsm.state == VRRP_STATE_INITIALIZE;
/* Must have a parent interface */
start = start && (vr->ifp != NULL);
whynot = (!start && !whynot) ? "No base interface" : NULL;
#if 0
/* Parent interface must be up */
start = start && if_is_operative(vr->ifp);
#endif
/* Must have a macvlan interface */
start = start && (r->mvl_ifp != NULL);
whynot = (!start && !whynot) ? "No VRRP interface" : NULL;
#if 0
/* Macvlan interface must be admin up */
start = start && CHECK_FLAG(r->mvl_ifp->flags, IFF_UP);
#endif
/* Macvlan interface must have at least two v6 */
start = start && (r->mvl_ifp->connected->count >= 2);
/* Macvlan interface must have a link local */
start = start && connected_get_linklocal(r->mvl_ifp);
whynot = (!start && !whynot) ? "No link local address configured" : NULL;
/* Macvlan interface must have a v6 IP besides the link local */
start = start && (r->mvl_ifp->connected->count >= 2);
whynot = (!start && !whynot) ? "No Virtual IP address configured" : NULL;
/* Must have at least one VIP configured */
start = start && r->addrs->count > 0;
if (start)
vrrp_event(r, VRRP_EVENT_STARTUP);
else if (whynot)
zlog_warn(VRRP_LOGPFX VRRP_LOGPFX_VRID
"Refusing to start IPv6 Virtual Router: %s",
vr->vrid, whynot);
}
void vrrp_set_priority(struct vrrp_vrouter *vr, uint8_t priority)