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Merge pull request #15955 from justinsb/gce_network_tags_work_with_ipv6 

gce ipv6: we can use network tags with ipv6 addresses
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Kubernetes Prow Robot 2023-09-23 12:52:55 -07:00 committed by GitHub
parent c30f1827ae 4557f9b655
commit d82d574dbe
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1 changed files with 18 additions and 14 deletions
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32
pkg/model/gcemodel/firewall.go
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@ -156,23 +156,27 @@ func (b *FirewallModelBuilder) Build(c *fi.CloudupModelBuilderContext) error {
}
if b.NetworkingIsIPAlias() || b.NetworkingIsGCERoutes() {
// When using IP alias or custom routes, SourceTags for identifying traffic don't work, and we must recognize by CIDR
if b.IsIPv6Only() {
// We can use tags for IPv6, and this is covered by prior rules
} else {
// When using IP alias or custom routes, SourceTags for identifying traffic don't work, and we must recognize by CIDR
if b.Cluster.Spec.Networking.PodCIDR == "" {
return fmt.Errorf("expected PodCIDR to be set for IPAlias / kubenet")
}
if b.Cluster.Spec.Networking.PodCIDR == "" {
return fmt.Errorf("expected PodCIDR to be set for IPAlias / kubenet")
}
network, err := b.LinkToNetwork()
if err != nil {
return err
network, err := b.LinkToNetwork()
if err != nil {
return err
}
b.AddFirewallRulesTasks(c, "pod-cidrs-to-node", &gcetasks.FirewallRule{
Lifecycle: b.Lifecycle,
Network: network,
SourceRanges: []string{b.Cluster.Spec.Networking.PodCIDR},
TargetTags: []string{b.GCETagForRole(kops.InstanceGroupRoleNode)},
Allowed: allProtocols,
})
}
b.AddFirewallRulesTasks(c, "pod-cidrs-to-node", &gcetasks.FirewallRule{
Lifecycle: b.Lifecycle,
Network: network,
SourceRanges: []string{b.Cluster.Spec.Networking.PodCIDR},
TargetTags: []string{b.GCETagForRole(kops.InstanceGroupRoleNode)},
Allowed: allProtocols,
})
}
return nil