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'Global' -> 'Cluster' for traffic policy

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Kubernetes-commit: fc34a9d6ba4679298abc2d371b86eb32354f0c7b
This commit is contained in:
Tim Hockin
2017-05-31 11:35:24 -07:00
committed by Kubernetes Publisher
parent 62a5cd0975
commit bf9b15475a
5 changed files with 26 additions and 17 deletions
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15
pkg/api/types.go
View File

@@ -2504,10 +2504,10 @@ const (
type ServiceExternalTrafficPolicyType string
const (
// ServiceExternalTrafficPolicyTypeLocal specifies local endpoints behavior.
// ServiceExternalTrafficPolicyTypeLocal specifies node-local endpoints behavior.
ServiceExternalTrafficPolicyTypeLocal ServiceExternalTrafficPolicyType = "Local"
// ServiceExternalTrafficPolicyTypeGlobal specifies global (legacy) behavior.
ServiceExternalTrafficPolicyTypeGlobal ServiceExternalTrafficPolicyType = "Global"
// ServiceExternalTrafficPolicyTypeCluster specifies cluster-wide (legacy) behavior.
ServiceExternalTrafficPolicyTypeCluster ServiceExternalTrafficPolicyType = "Cluster"
)
// ServiceStatus represents the current status of a service
@@ -2610,9 +2610,12 @@ type ServiceSpec struct {
// +optional
LoadBalancerSourceRanges []string
// externalTrafficPolicy denotes if this Service desires to route external traffic to
// local endpoints only. This preserves Source IP and avoids a second hop for
// LoadBalancer and Nodeport type services.
// externalTrafficPolicy denotes if this Service desires to route external
// traffic to node-local or cluster-wide endpoints. "Local" preserves the
// client source IP and avoids a second hop for LoadBalancer and Nodeport
// type services, but risks potentially imbalanced traffic spreading.
// "Cluster" obscures the client source IP and may cause a second hop to
// another node, but should have good overall load-spreading.
// +optional
ExternalTrafficPolicy ServiceExternalTrafficPolicyType

2
pkg/api/v1/defaults.go
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@@ -120,7 +120,7 @@ func SetDefaults_Service(obj *Service) {
} else if (obj.Spec.Type == ServiceTypeNodePort ||
obj.Spec.Type == ServiceTypeLoadBalancer) &&
obj.Spec.ExternalTrafficPolicy == "" {
obj.Spec.ExternalTrafficPolicy = ServiceExternalTrafficPolicyTypeGlobal
obj.Spec.ExternalTrafficPolicy = ServiceExternalTrafficPolicyTypeCluster
}
}
func SetDefaults_Pod(obj *Pod) {

9
pkg/api/v1/generated.proto
View File

@@ -3734,9 +3734,12 @@ message ServiceSpec {
// +optional
optional string externalName = 10;
// externalTrafficPolicy denotes if this Service desires to route external traffic to
// local endpoints only. This preserves Source IP and avoids a second hop for
// LoadBalancer and Nodeport type services.
// externalTrafficPolicy denotes if this Service desires to route external
// traffic to node-local or cluster-wide endpoints. "Local" preserves the
// client source IP and avoids a second hop for LoadBalancer and Nodeport
// type services, but risks potentially imbalanced traffic spreading.
// "Cluster" obscures the client source IP and may cause a second hop to
// another node, but should have good overall load-spreading.
// +optional
optional string externalTrafficPolicy = 11;

15
pkg/api/v1/types.go
View File

@@ -2842,10 +2842,10 @@ const (
type ServiceExternalTrafficPolicyType string
const (
// ServiceExternalTrafficPolicyTypeLocal specifies local endpoints behavior.
// ServiceExternalTrafficPolicyTypeLocal specifies node-local endpoints behavior.
ServiceExternalTrafficPolicyTypeLocal ServiceExternalTrafficPolicyType = "Local"
// ServiceExternalTrafficPolicyTypeGlobal specifies global (legacy) behavior.
ServiceExternalTrafficPolicyTypeGlobal ServiceExternalTrafficPolicyType = "Global"
// ServiceExternalTrafficPolicyTypeCluster specifies node-global (legacy) behavior.
ServiceExternalTrafficPolicyTypeCluster ServiceExternalTrafficPolicyType = "Cluster"
)
// ServiceStatus represents the current status of a service.
@@ -2961,9 +2961,12 @@ type ServiceSpec struct {
// +optional
ExternalName string `json:"externalName,omitempty" protobuf:"bytes,10,opt,name=externalName"`
// externalTrafficPolicy denotes if this Service desires to route external traffic to
// local endpoints only. This preserves Source IP and avoids a second hop for
// LoadBalancer and Nodeport type services.
// externalTrafficPolicy denotes if this Service desires to route external
// traffic to node-local or cluster-wide endpoints. "Local" preserves the
// client source IP and avoids a second hop for LoadBalancer and Nodeport
// type services, but risks potentially imbalanced traffic spreading.
// "Cluster" obscures the client source IP and may cause a second hop to
// another node, but should have good overall load-spreading.
// +optional
ExternalTrafficPolicy ServiceExternalTrafficPolicyType `json:"externalTrafficPolicy,omitempty" protobuf:"bytes,11,opt,name=externalTrafficPolicy"`

2
pkg/api/v1/types_swagger_doc_generated.go
View File

@@ -1858,7 +1858,7 @@ var map_ServiceSpec = map[string]string{
"loadBalancerIP": "Only applies to Service Type: LoadBalancer LoadBalancer will get created with the IP specified in this field. This feature depends on whether the underlying cloud-provider supports specifying the loadBalancerIP when a load balancer is created. This field will be ignored if the cloud-provider does not support the feature.",
"loadBalancerSourceRanges": "If specified and supported by the platform, this will restrict traffic through the cloud-provider load-balancer will be restricted to the specified client IPs. This field will be ignored if the cloud-provider does not support the feature.\" More info: https://kubernetes.io/docs/tasks/access-application-cluster/configure-cloud-provider-firewall/",
"externalName": "externalName is the external reference that kubedns or equivalent will return as a CNAME record for this service. No proxying will be involved. Must be a valid DNS name and requires Type to be ExternalName.",
"externalTrafficPolicy": "externalTrafficPolicy denotes if this Service desires to route external traffic to local endpoints only. This preserves Source IP and avoids a second hop for LoadBalancer and Nodeport type services.",
"externalTrafficPolicy": "externalTrafficPolicy denotes if this Service desires to route external traffic to node-local or cluster-wide endpoints. \"Local\" preserves the client source IP and avoids a second hop for LoadBalancer and Nodeport type services, but risks potentially imbalanced traffic spreading. \"Cluster\" obscures the client source IP and may cause a second hop to another node, but should have good overall load-spreading.",
"healthCheckNodePort": "healthCheckNodePort specifies the healthcheck nodePort for the service. If not specified, HealthCheckNodePort is created by the service api backend with the allocated nodePort. Will use user-specified nodePort value if specified by the client. Only effects when Type is set to LoadBalancer and ExternalTrafficPolicy is set to Local.",
}