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Allow to disable Kubernetes cluster scope resources discovery

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Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>
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Romain 2024-08-01 15:50:04 +02:00 • committed by GitHub
parent 930f84850b
commit a50345bf8d
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18 changed files with 349 additions and 153 deletions
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14
pkg/provider/kubernetes/ingress/kubernetes.go
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@ -51,8 +51,10 @@ type Provider struct {
ThrottleDuration ptypes.Duration `description:"Ingress refresh throttle duration" json:"throttleDuration,omitempty" toml:"throttleDuration,omitempty" yaml:"throttleDuration,omitempty" export:"true"`
AllowEmptyServices bool `description:"Allow creation of services without endpoints." json:"allowEmptyServices,omitempty" toml:"allowEmptyServices,omitempty" yaml:"allowEmptyServices,omitempty" export:"true"`
AllowExternalNameServices bool `description:"Allow ExternalName services." json:"allowExternalNameServices,omitempty" toml:"allowExternalNameServices,omitempty" yaml:"allowExternalNameServices,omitempty" export:"true"`
DisableIngressClassLookup bool `description:"Disables the lookup of IngressClasses." json:"disableIngressClassLookup,omitempty" toml:"disableIngressClassLookup,omitempty" yaml:"disableIngressClassLookup,omitempty" export:"true"`
NativeLBByDefault bool `description:"Defines whether to use Native Kubernetes load-balancing mode by default." json:"nativeLBByDefault,omitempty" toml:"nativeLBByDefault,omitempty" yaml:"nativeLBByDefault,omitempty" export:"true"`
// Deprecated: please use DisableClusterScopeResources.
DisableIngressClassLookup bool `description:"Disables the lookup of IngressClasses (Deprecated, please use DisableClusterScopeResources)." json:"disableIngressClassLookup,omitempty" toml:"disableIngressClassLookup,omitempty" yaml:"disableIngressClassLookup,omitempty" export:"true"`
DisableClusterScopeResources bool `description:"Disables the lookup of cluster scope resources (incompatible with IngressClasses and NodePortLB enabled services)." json:"disableClusterScopeResources,omitempty" toml:"disableClusterScopeResources,omitempty" yaml:"disableClusterScopeResources,omitempty" export:"true"`
NativeLBByDefault bool `description:"Defines whether to use Native Kubernetes load-balancing mode by default." json:"nativeLBByDefault,omitempty" toml:"nativeLBByDefault,omitempty" yaml:"nativeLBByDefault,omitempty" export:"true"`
lastConfiguration safe.Safe
@ -114,7 +116,8 @@ func (p *Provider) newK8sClient(ctx context.Context) (*clientWrapper, error) {
}
cl.ingressLabelSelector = p.LabelSelector
cl.disableIngressClassInformer = p.DisableIngressClassLookup
cl.disableIngressClassInformer = p.DisableIngressClassLookup || p.DisableClusterScopeResources
cl.disableClusterScopeInformer = p.DisableClusterScopeResources
return cl, nil
}
@ -212,7 +215,6 @@ func (p *Provider) loadConfigurationFromIngresses(ctx context.Context, client Cl
Middlewares: map[string]*dynamic.Middleware{},
Services: map[string]*dynamic.Service{},
},
TCP: &dynamic.TCPConfiguration{},
}
var ingressClasses []*netv1.IngressClass
@ -591,6 +593,10 @@ func (p *Provider) loadService(client Client, namespace string, backend netv1.In
}
if svcConfig.Service.NodePortLB && service.Spec.Type == corev1.ServiceTypeNodePort {
if p.DisableClusterScopeResources {
return nil, errors.New("nodes lookup is disabled")
}
nodes, nodesExists, nodesErr := client.GetNodes()
if nodesErr != nil {
return nil, nodesErr