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Merge pull request #98796 from pacoxu/kubeadm/dual-stack-1

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kubeadm: improve error message about node subnet size validation
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Kubernetes Prow Robot 2021-02-06 04:35:11 -08:00 committed by GitHub
commit 25d5d657c7
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1 changed files with 3 additions and 3 deletions
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6
cmd/kubeadm/app/apis/kubeadm/validation/validation.go
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@ -397,7 +397,7 @@ func ValidateIPNetFromString(subnetStr string, minAddrs int64, isDualStack bool,
for _, s := range subnets {
numAddresses := utilnet.RangeSize(s)
if numAddresses < minAddrs {
allErrs = append(allErrs, field.Invalid(fldPath, s.String(), "subnet is too small"))
allErrs = append(allErrs, field.Invalid(fldPath, s.String(), fmt.Sprintf("subnet with %d address(es) is too small, the minimum is %d", numAddresses, minAddrs)))
}
}
return allErrs
@ -440,9 +440,9 @@ func ValidatePodSubnetNodeMask(subnetStr string, c *kubeadm.ClusterConfiguration
// the pod subnet mask needs to allow one or multiple node-masks
// i.e. if it has a /24 the node mask must be between 24 and 32 for ipv4
if maskSize > nodeMask {
allErrs = append(allErrs, field.Invalid(fldPath, podSubnet.String(), "pod subnet size is smaller than the node subnet size"))
allErrs = append(allErrs, field.Invalid(fldPath, podSubnet.String(), fmt.Sprintf("the size of pod subnet with mask %d is smaller than the size of node subnet with mask %d", maskSize, nodeMask)))
} else if (nodeMask - maskSize) > constants.PodSubnetNodeMaskMaxDiff {
allErrs = append(allErrs, field.Invalid(fldPath, podSubnet.String(), fmt.Sprintf("pod subnet mask and node-mask difference can not be greater than %d", constants.PodSubnetNodeMaskMaxDiff)))
allErrs = append(allErrs, field.Invalid(fldPath, podSubnet.String(), fmt.Sprintf("pod subnet mask (%d) and node-mask (%d) difference is greater than %d", maskSize, nodeMask, constants.PodSubnetNodeMaskMaxDiff)))
}
}
return allErrs