-
Notifications
You must be signed in to change notification settings - Fork 2.7k
/
types.go
169 lines (154 loc) · 7.96 KB
/
types.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
// SPDX-License-Identifier: Apache-2.0
// Copyright 2019 The Kubernetes Authors.
// Copyright Authors of Cilium
package v1beta1
import (
slim_corev1 "github.com/cilium/cilium/pkg/k8s/slim/k8s/api/core/v1"
slim_metav1 "github.com/cilium/cilium/pkg/k8s/slim/k8s/apis/meta/v1"
)
// +genclient
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// +k8s:prerelease-lifecycle-gen:introduced=1.16
// +k8s:prerelease-lifecycle-gen:deprecated=1.21
// +k8s:prerelease-lifecycle-gen:removed=1.25
// +k8s:prerelease-lifecycle-gen:replacement=discovery.k8s.io,v1,EndpointSlice
// EndpointSlice represents a subset of the endpoints that implement a service.
// For a given service there may be multiple EndpointSlice objects, selected by
// labels, which must be joined to produce the full set of endpoints.
type EndpointSlice struct {
slim_metav1.TypeMeta `json:",inline"`
// Standard object's metadata.
// +optional
slim_metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
// addressType specifies the type of address carried by this EndpointSlice.
// All addresses in this slice must be the same type. This field is
// immutable after creation. The following address types are currently
// supported:
// * IPv4: Represents an IPv4 Address.
// * IPv6: Represents an IPv6 Address.
// * FQDN: Represents a Fully Qualified Domain Name.
AddressType AddressType `json:"addressType" protobuf:"bytes,4,rep,name=addressType"`
// endpoints is a list of unique endpoints in this slice. Each slice may
// include a maximum of 1000 endpoints.
// +listType=atomic
Endpoints []Endpoint `json:"endpoints" protobuf:"bytes,2,rep,name=endpoints"`
// ports specifies the list of network ports exposed by each endpoint in
// this slice. Each port must have a unique name. When ports is empty, it
// indicates that there are no defined ports. When a port is defined with a
// nil port value, it indicates "all ports". Each slice may include a
// maximum of 100 ports.
// +optional
// +listType=atomic
Ports []EndpointPort `json:"ports" protobuf:"bytes,3,rep,name=ports"`
}
// AddressType represents the type of address referred to by an endpoint.
type AddressType string
const (
// AddressTypeIPv4 represents an IPv4 Address.
AddressTypeIPv4 = AddressType(slim_corev1.IPv4Protocol)
// AddressTypeIPv6 represents an IPv6 Address.
AddressTypeIPv6 = AddressType(slim_corev1.IPv6Protocol)
// AddressTypeFQDN represents a FQDN.
AddressTypeFQDN = AddressType("FQDN")
)
// Endpoint represents a single logical "backend" implementing a service.
type Endpoint struct {
// addresses of this endpoint. The contents of this field are interpreted
// according to the corresponding EndpointSlice addressType field. Consumers
// must handle different types of addresses in the context of their own
// capabilities. This must contain at least one address but no more than
// 100. These are all assumed to be fungible and clients may choose to only
// use the first element. Refer to: https://issue.k8s.io/106267
// +listType=set
Addresses []string `json:"addresses" protobuf:"bytes,1,rep,name=addresses"`
// conditions contains information about the current status of the endpoint.
Conditions EndpointConditions `json:"conditions,omitempty" protobuf:"bytes,2,opt,name=conditions"`
// topology contains arbitrary topology information associated with the
// endpoint. These key/value pairs must conform with the label format.
// https://kubernetes.io/docs/concepts/overview/working-with-objects/labels
// Topology may include a maximum of 16 key/value pairs. This includes, but
// is not limited to the following well known keys:
// * kubernetes.io/hostname: the value indicates the hostname of the node
// where the endpoint is located. This should match the corresponding
// node label.
// * topology.kubernetes.io/zone: the value indicates the zone where the
// endpoint is located. This should match the corresponding node label.
// * topology.kubernetes.io/region: the value indicates the region where the
// endpoint is located. This should match the corresponding node label.
// This field is deprecated and will be removed in future api versions.
// +optional
Topology map[string]string `json:"topology,omitempty" protobuf:"bytes,5,opt,name=topology"`
// nodeName represents the name of the Node hosting this endpoint. This can
// be used to determine endpoints local to a Node.
// +optional
NodeName *string `json:"nodeName,omitempty" protobuf:"bytes,6,opt,name=nodeName"`
}
// EndpointConditions represents the current condition of an endpoint.
type EndpointConditions struct {
// ready indicates that this endpoint is prepared to receive traffic,
// according to whatever system is managing the endpoint. A nil value
// indicates an unknown state. In most cases consumers should interpret this
// unknown state as ready. For compatibility reasons, ready should never be
// "true" for terminating endpoints.
// +optional
Ready *bool `json:"ready,omitempty" protobuf:"bytes,1,name=ready"`
// serving is identical to ready except that it is set regardless of the
// terminating state of endpoints. This condition should be set to true for
// a ready endpoint that is terminating. If nil, consumers should defer to
// the ready condition. This field can be enabled with the
// EndpointSliceTerminatingCondition feature gate.
// +optional
Serving *bool `json:"serving,omitempty" protobuf:"bytes,2,name=serving"`
// terminating indicates that this endpoint is terminating. A nil value
// indicates an unknown state. Consumers should interpret this unknown state
// to mean that the endpoint is not terminating. This field can be enabled
// with the EndpointSliceTerminatingCondition feature gate.
// +optional
Terminating *bool `json:"terminating,omitempty" protobuf:"bytes,3,name=terminating"`
}
// EndpointHints provides hints describing how an endpoint should be consumed.
type EndpointHints struct {
// forZones indicates the zone(s) this endpoint should be consumed by to
// enable topology aware routing. May contain a maximum of 8 entries.
// +listType=atomic
ForZones []ForZone `json:"forZones,omitempty" protobuf:"bytes,1,name=forZones"`
}
// ForZone provides information about which zones should consume this endpoint.
type ForZone struct {
// name represents the name of the zone.
Name string `json:"name" protobuf:"bytes,1,name=name"`
}
// EndpointPort represents a Port used by an EndpointSlice
type EndpointPort struct {
// The name of this port. All ports in an EndpointSlice must have a unique
// name. If the EndpointSlice is dervied from a Kubernetes service, this
// corresponds to the Service.ports[].name.
// Name must either be an empty string or pass DNS_LABEL validation:
// * must be no more than 63 characters long.
// * must consist of lower case alphanumeric characters or '-'.
// * must start and end with an alphanumeric character.
// Default is empty string.
Name *string `json:"name,omitempty" protobuf:"bytes,1,name=name"`
// The IP protocol for this port.
// Must be UDP, TCP, or SCTP.
// Default is TCP.
Protocol *slim_corev1.Protocol `json:"protocol,omitempty" protobuf:"bytes,2,name=protocol"`
// The port number of the endpoint.
// If this is not specified, ports are not restricted and must be
// interpreted in the context of the specific consumer.
Port *int32 `json:"port,omitempty" protobuf:"bytes,3,opt,name=port"`
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// +k8s:prerelease-lifecycle-gen:introduced=1.16
// +k8s:prerelease-lifecycle-gen:deprecated=1.21
// +k8s:prerelease-lifecycle-gen:removed=1.25
// +k8s:prerelease-lifecycle-gen:replacement=discovery.k8s.io,v1,EndpointSlice
// EndpointSliceList represents a list of endpoint slices
type EndpointSliceList struct {
slim_metav1.TypeMeta `json:",inline"`
// Standard list metadata.
// +optional
slim_metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
// List of endpoint slices
Items []EndpointSlice `json:"items" protobuf:"bytes,2,rep,name=items"`
}