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Adding annotation to enable Global Access for L7 ILBs #2818

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3 changes: 3 additions & 0 deletions pkg/annotations/ingress.go
Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,9 @@ const (
// to the target proxies of the Ingress.
PreSharedCertKey = "ingress.gcp.kubernetes.io/pre-shared-cert"

// ILBGlobalAccessKey is the annotation key used to enable Global Access for the L7 ILB Forwarding Rule
ILBGlobalAccessKey = "ingress.gcp.kubernetes.io/ilb-allow-global-access"

// IngressClassKey picks a specific "class" for the Ingress. The controller
// only processes Ingresses with this annotation either unset, or set
// to either gceIngressClass or the empty string.
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4 changes: 3 additions & 1 deletion pkg/loadbalancers/forwarding_rules.go
Original file line number Diff line number Diff line change
Expand Up @@ -103,8 +103,10 @@ func (l7 *L7) checkForwardingRule(protocol namer.NamerProtocol, name, proxyLink,
env := &translator.Env{VIP: ip, Network: l7.cloud.NetworkURL(), Subnetwork: l7.cloud.SubnetworkURL()}
fr := tr.ToCompositeForwardingRule(env, protocol, version, proxyLink, description, l7.runtimeInfo.StaticIPSubnet)

fr.AllowGlobalAccess = utils.IsGCEL7ILBIngressGlobalAccessEnabled(&l7.ingress)

existing, _ = composite.GetForwardingRule(l7.cloud, key, version, l7.logger)
if existing != nil && (fr.IPAddress != "" && existing.IPAddress != fr.IPAddress || existing.PortRange != fr.PortRange) {
if existing != nil && (fr.IPAddress != "" && existing.IPAddress != fr.IPAddress || existing.PortRange != fr.PortRange || existing.AllowGlobalAccess != fr.AllowGlobalAccess) {
l7.logger.Info("Recreating forwarding rule %v(%v), so it has %v(%v)",
"existingIp", existing.IPAddress, "existingPortRange", existing.PortRange,
"targetIp", fr.IPAddress, "targetPortRange", fr.PortRange)
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12 changes: 12 additions & 0 deletions pkg/utils/utils.go
Original file line number Diff line number Diff line change
Expand Up @@ -505,6 +505,18 @@ func IsGCEL7ILBIngress(ing *networkingv1.Ingress) bool {
return class == annotations.GceL7ILBIngressClass
}

// IsGCEL7ILBIngressGlobalAccessEnabled returns true if the given Ingress has
// ingress.class annotation set to "gce-l7-ilb" and has Global Access enabled
func IsGCEL7ILBIngressGlobalAccessEnabled(ing *networkingv1.Ingress) bool {
if !IsGCEL7ILBIngress(ing) {
return false
}
if ilbGlobalAccess, ilbGAExists := ing.Annotations[annotations.ILBGlobalAccessKey]; ilbGAExists && ilbGlobalAccess == "true" {
return true
}
return false
}

// IsGCEL7XLBRegionalIngress returns true if the given Ingress has
// ingress.class annotation set to "gce-regional-external"
func IsGCEL7XLBRegionalIngress(ing *networkingv1.Ingress) bool {
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