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fix(NRC): error when nec. host IP not found

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If we can't find an appropriate IP to add for nextHop to injectRoute or
overlay tunnel, raise error rather than trying to continue.
This commit is contained in:
Aaron U'Ren 2023-01-01 16:26:59 -06:00 committed by Aaron U'Ren
parent 4f284be53e
commit 0023dedc4d
1 changed files with 9 additions and 1 deletions
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8
pkg/controllers/routing/network_routes_controller.go
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@ -657,6 +657,10 @@ func (nrc *NetworkRoutingController) injectRoute(path *gobgpapi.Path) error {
// Need to activate the ip command in IPv6 mode
bestIPForFamily = utils.FindBestIPv6NodeAddress(nrc.primaryIP, nrc.nodeIPv6Addrs)
}
if bestIPForFamily == nil {
return fmt.Errorf("not able to find an appropriate configured IP address on node for destination "+
"IP family: %s", dst.String())
}
route = &netlink.Route{
LinkIndex: link.Attrs().Index,
Src: bestIPForFamily,
@ -734,6 +738,10 @@ func (nrc *NetworkRoutingController) setupOverlayTunnel(tunnelName string, nextH
bestIPForFamily = utils.FindBestIPv6NodeAddress(nrc.primaryIP, nrc.nodeIPv6Addrs)
ipipMode = "ip6ip6"
}
if nil == bestIPForFamily {
return nil, fmt.Errorf("not able to find an appropriate configured IP address on node for destination "+
"IP family: %s", nextHop.String())
}
// an error here indicates that the tunnel didn't exist, so we need to create it, if it already exists there's
// nothing to do here