fix lr-lb dnat with multiple distributed gateway ports #227
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dceara
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Dec 20, 2023
northd/northd.c
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| est_match_p = xasprintf("%s && is_chassis_resident(%s)", | ||
| est_match, | ||
| od->l3dgw_ports[0]->cr_port->json_key); | ||
| if (od->n_l3dgw_ports > 1) { |
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What if the VIP is not in any of the LRP's subnets?
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Also, we probably need some tests to ensure this behavior doesn't change by accident in the future.
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Never mind, I missed the sign off in the commit log but it's already there. Sorry for the noise. |
Signed-off-by: zcq98 <zhaocongqi_yewu@cmss.chinamobile.com>
Signed-off-by: zcq98 <zhaocongqi_yewu@cmss.chinamobile.com>
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hi @dceara,could you help review this ? |
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Please target the |
dceara
requested changes
Jan 3, 2024
| static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1); | ||
| VLOG_WARN_RL(&rl, | ||
| "No matched LRP's subnet for VIP %s", | ||
| lb_vip->vip_str); |
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Is your intention to log when no GW port has a subnet matching the VIP? If so, this will log for every port that doesn't match the VIP and that seems wrong to me.
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#222
is_chassis_resident and output in “lr_out_undnat” is not set correctly when there are multiple gw ports.
When lr has multiple gw ports, LB VIP should determine is_chassis_resident and outport based on the LRP's subnet to which it belongs.If there is no matching subnet, l3dgw_ports[0] will be used by default.