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fix: Adding ipv6 check on the node init function #10

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fix: Adding ipv6 check on the node init function #10

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10 changes: 10 additions & 0 deletions daemon/k8s/init.go
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Original file line number Diff line number Diff line change
Expand Up @@ -128,6 +128,16 @@ func WaitForNodeInformation(ctx context.Context, log logrus.FieldLogger, localNo
logfields.K8sNodeIP: k8sNodeIP,
}).Info("Received own node information from API server")

// If the host does not have an IPv6 address, return an error
if option.Config.EnableIPv6 && nodeIP6 == nil {
log.WithFields(logrus.Fields{
logfields.NodeName: n.Name,
logfields.IPAddr + ".ipv4": nodeIP4,
logfields.IPAddr + ".ipv6": nodeIP6,
}).Error("No IPv6 support on node as ipv6 address is nil")
return fmt.Errorf("node %s does not have an IPv6 address", n.Name)
}

useNodeCIDR(n)
} else {
// if node resource could not be received, fail if
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