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Merge pull request #95768 from danwinship/document-nodeaddresstype

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Document the NodeAddressType values
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Kubernetes Prow Robot 2021-06-18 16:42:42 -07:00 committed by GitHub
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2 changed files with 74 additions and 8 deletions
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41
pkg/apis/core/types.go
View File

@ -4240,11 +4240,44 @@ type NodeAddressType string
// These are valid values of node address type
const (
NodeHostName NodeAddressType = "Hostname"
NodeExternalIP NodeAddressType = "ExternalIP"
NodeInternalIP NodeAddressType = "InternalIP"
NodeExternalDNS NodeAddressType = "ExternalDNS"
// NodeHostName identifies a name of the node. Although every node can be assumed
// to have a NodeAddress of this type, its exact syntax and semantics are not
// defined, and are not consistent between different clusters.
NodeHostName NodeAddressType = "Hostname"
// NodeInternalIP identifies an IP address which is assigned to one of the node's
// network interfaces. Every node should have at least one address of this type.
//
// An internal IP is normally expected to be reachable from every other node, but
// may not be visible to hosts outside the cluster. By default it is assumed that
// kube-apiserver can reach node internal IPs, though it is possible to configure
// clusters where this is not the case.
//
// NodeInternalIP is the default type of node IP, and does not necessarily imply
// that the IP is ONLY reachable internally. If a node has multiple internal IPs,
// no specific semantics are assigned to the additional IPs.
NodeInternalIP NodeAddressType = "InternalIP"
// NodeExternalIP identifies an IP address which is, in some way, intended to be
// more usable from outside the cluster then an internal IP, though no specific
// semantics are defined. It may be a globally routable IP, though it is not
// required to be.
//
// External IPs may be assigned directly to an interface on the node, like a
// NodeInternalIP, or alternatively, packets sent to the external IP may be NAT'ed
// to an internal node IP rather than being delivered directly (making the IP less
// efficient for node-to-node traffic than a NodeInternalIP).
NodeExternalIP NodeAddressType = "ExternalIP"
// NodeInternalDNS identifies a DNS name which resolves to an IP address which has
// the characteristics of a NodeInternalIP. The IP it resolves to may or may not
// be a listed NodeInternalIP address.
NodeInternalDNS NodeAddressType = "InternalDNS"
// NodeExternalDNS identifies a DNS name which resolves to an IP address which has
// the characteristics of a NodeExternalIP. The IP it resolves to may or may not
// be a listed NodeExternalIP address.
NodeExternalDNS NodeAddressType = "ExternalDNS"
)
// NodeAddress represents node's address

41
staging/src/k8s.io/api/core/v1/types.go
View File

@ -4912,11 +4912,44 @@ type NodeAddressType string
// These are valid address type of node.
const (
NodeHostName NodeAddressType = "Hostname"
NodeExternalIP NodeAddressType = "ExternalIP"
NodeInternalIP NodeAddressType = "InternalIP"
NodeExternalDNS NodeAddressType = "ExternalDNS"
// NodeHostName identifies a name of the node. Although every node can be assumed
// to have a NodeAddress of this type, its exact syntax and semantics are not
// defined, and are not consistent between different clusters.
NodeHostName NodeAddressType = "Hostname"
// NodeInternalIP identifies an IP address which is assigned to one of the node's
// network interfaces. Every node should have at least one address of this type.
//
// An internal IP is normally expected to be reachable from every other node, but
// may not be visible to hosts outside the cluster. By default it is assumed that
// kube-apiserver can reach node internal IPs, though it is possible to configure
// clusters where this is not the case.
//
// NodeInternalIP is the default type of node IP, and does not necessarily imply
// that the IP is ONLY reachable internally. If a node has multiple internal IPs,
// no specific semantics are assigned to the additional IPs.
NodeInternalIP NodeAddressType = "InternalIP"
// NodeExternalIP identifies an IP address which is, in some way, intended to be
// more usable from outside the cluster then an internal IP, though no specific
// semantics are defined. It may be a globally routable IP, though it is not
// required to be.
//
// External IPs may be assigned directly to an interface on the node, like a
// NodeInternalIP, or alternatively, packets sent to the external IP may be NAT'ed
// to an internal node IP rather than being delivered directly (making the IP less
// efficient for node-to-node traffic than a NodeInternalIP).
NodeExternalIP NodeAddressType = "ExternalIP"
// NodeInternalDNS identifies a DNS name which resolves to an IP address which has
// the characteristics of a NodeInternalIP. The IP it resolves to may or may not
// be a listed NodeInternalIP address.
NodeInternalDNS NodeAddressType = "InternalDNS"
// NodeExternalDNS identifies a DNS name which resolves to an IP address which has
// the characteristics of a NodeExternalIP. The IP it resolves to may or may not
// be a listed NodeExternalIP address.
NodeExternalDNS NodeAddressType = "ExternalDNS"
)
// NodeAddress contains information for the node's address.