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Delete ILB FR in case of changes to port/proto.

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This commit is contained in:
Pavithra Ramesh
2020-07-23 09:26:25 -07:00
parent 607c5daabd
commit cfdad70de9
1 changed files with 22 additions and 7 deletions
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27
staging/src/k8s.io/legacy-cloud-providers/gce/gce_loadbalancer_internal.go
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@@ -173,12 +173,6 @@ func (g *Cloud) ensureInternalLoadBalancer(clusterName, clusterID string, svc *v
return nil, err
}
bsDescription := makeBackendServiceDescription(nm, sharedBackend)
err = g.ensureInternalBackendService(backendServiceName, bsDescription, svc.Spec.SessionAffinity, scheme, protocol, igLinks, hc.SelfLink)
if err != nil {
return nil, err
}
fwdRuleDescription := &forwardingRuleDescription{ServiceName: nm.String()}
fwdRuleDescriptionString, err := fwdRuleDescription.marshal()
if err != nil {
@@ -200,9 +194,30 @@ func (g *Cloud) ensureInternalLoadBalancer(clusterName, clusterID string, svc *v
if options.AllowGlobalAccess {
newFwdRule.AllowGlobalAccess = options.AllowGlobalAccess
}
fwdRuleDeleted := false
if existingFwdRule != nil && !forwardingRulesEqual(existingFwdRule, newFwdRule) {
// Delete existing forwarding rule before making changes to the backend service. For example - changing protocol
// of backend service without first deleting forwarding rule will throw an error since the linked forwarding
// rule would show the old protocol.
klog.V(2).Infof("ensureInternalLoadBalancer(%v): deleting existing forwarding rule with IP address %v", loadBalancerName, existingFwdRule.IPAddress)
if err = ignoreNotFound(g.DeleteRegionForwardingRule(loadBalancerName, g.region)); err != nil {
return nil, err
}
fwdRuleDeleted = true
}
bsDescription := makeBackendServiceDescription(nm, sharedBackend)
err = g.ensureInternalBackendService(backendServiceName, bsDescription, svc.Spec.SessionAffinity, scheme, protocol, igLinks, hc.SelfLink)
if err != nil {
return nil, err
}
if fwdRuleDeleted || existingFwdRule == nil {
if err := g.ensureInternalForwardingRule(existingFwdRule, newFwdRule); err != nil {
return nil, err
}
}
// Delete the previous internal load balancer resources if necessary
if existingBackendService != nil {