mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-22 11:21:47 +00:00
log a warning if ipv6 site-local addresses is using as it shouldn't be deprecated
Signed-off-by: pacoxu <paco.xu@daocloud.io> Co-authored-by: Antonio Ojea <antonio.ojea.garcia@gmail.com> Co-authored-by: Lubomir I. Ivanov <neolit123@gmail.com>
This commit is contained in:
parent
3727aa47d9
commit
3c33ceab04
@ -32,6 +32,7 @@ import (
|
||||
"k8s.io/apimachinery/pkg/util/validation/field"
|
||||
bootstrapapi "k8s.io/cluster-bootstrap/token/api"
|
||||
bootstraputil "k8s.io/cluster-bootstrap/token/util"
|
||||
"k8s.io/klog/v2"
|
||||
"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
|
||||
kubeadmapiv1beta2 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta2"
|
||||
kubeadmcmdoptions "k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
|
||||
@ -399,6 +400,12 @@ func ValidateIPNetFromString(subnetStr string, minAddrs int64, isDualStack bool,
|
||||
if numAddresses < minAddrs {
|
||||
allErrs = append(allErrs, field.Invalid(fldPath, s.String(), fmt.Sprintf("subnet with %d address(es) is too small, the minimum is %d", numAddresses, minAddrs)))
|
||||
}
|
||||
|
||||
// Warn when the subnet is in site-local range - i.e. contains addresses that belong to fec0::/10
|
||||
_, siteLocalNet, _ := net.ParseCIDR("fec0::/10")
|
||||
if siteLocalNet.Contains(s.IP) || s.Contains(siteLocalNet.IP) {
|
||||
klog.Warningf("the subnet %v contains IPv6 site-local addresses that belong to fec0::/10 which has been deprecated by rfc3879", s)
|
||||
}
|
||||
}
|
||||
return allErrs
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user