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Keep route: [ 0.0.0.0/0 via ECS instance ] to work with alicloud DNAT… #693

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Apr 26, 2017
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Keep route: [ 0.0.0.0/0 via ECS instance ] to work with alicloud DNAT… #693

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5 changes: 5 additions & 0 deletions backend/alivpc/alivpc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,11 @@ func (be *AliVpcBackend) recreateRoute(c *ecs.Client, table ecs.RouteTableSetTyp
log.Infof("Keep target entry: rtableid=%s, CIDR=%s, NextHop=%s \n", e.RouteTableId, e.DestinationCidrBlock, e.InstanceId)
continue
}
// 0.0.0.0/0 => ECS1 this kind of route is used for DNAT. so we keep it
if e.DestinationCidrBlock == "0.0.0.0/0" {
log.Infof("Keep route entry: rtableid=%s, CIDR=%s, NextHop=%s For DNAT\n", e.RouteTableId, e.DestinationCidrBlock, e.InstanceId)
continue
}
// Fix: here we delete all the route which targeted to us(instance) except the specified route.
// That means only one CIDR was allowed to target to the instance. Think if We need to change this
// to adapt to multi CIDR and deal with unavailable route entry.
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