traefik/docs/content/reference/dynamic-configuration/gateway.networking.k8s.io_gateways.yaml

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---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
api-approved.kubernetes.io: https://github.com/kubernetes-sigs/gateway-api/pull/891
creationTimestamp: null
name: gateways.gateway.networking.k8s.io
spec:
group: gateway.networking.k8s.io
names:
categories:
- gateway-api
kind: Gateway
listKind: GatewayList
plural: gateways
shortNames:
- gtw
singular: gateway
scope: Namespaced
versions:
- additionalPrinterColumns:
- jsonPath: .spec.gatewayClassName
name: Class
type: string
- jsonPath: .status.addresses[*].value
name: Address
type: string
- jsonPath: .status.conditions[?(@.type=="Ready")].status
name: Ready
type: string
- jsonPath: .metadata.creationTimestamp
name: Age
type: date
name: v1alpha2
schema:
openAPIV3Schema:
description: Gateway represents an instance of a service-traffic handling
infrastructure by binding Listeners to a set of IP addresses.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: Spec defines the desired state of Gateway.
properties:
addresses:
description: "Addresses requested for this Gateway. This is optional
and behavior can depend on the implementation. If a value is set
in the spec and the requested address is invalid or unavailable,
the implementation MUST indicate this in the associated entry in
GatewayStatus.Addresses. \n The Addresses field represents a request
for the address(es) on the \"outside of the Gateway\", that traffic
bound for this Gateway will use. This could be the IP address or
hostname of an external load balancer or other networking infrastructure,
or some other address that traffic will be sent to. \n The .listener.hostname
field is used to route traffic that has already arrived at the Gateway
to the correct in-cluster destination. \n If no Addresses are specified,
the implementation MAY schedule the Gateway in an implementation-specific
manner, assigning an appropriate set of Addresses. \n The implementation
MUST bind all Listeners to every GatewayAddress that it assigns
to the Gateway and add a corresponding entry in GatewayStatus.Addresses.
\n Support: Core"
items:
description: GatewayAddress describes an address that can be bound
to a Gateway.
properties:
type:
default: IPAddress
description: Type of the address.
enum:
- IPAddress
- Hostname
- NamedAddress
type: string
value:
description: "Value of the address. The validity of the values
will depend on the type and support by the controller. \n
Examples: `1.2.3.4`, `128::1`, `my-ip-address`."
maxLength: 253
minLength: 1
type: string
required:
- value
type: object
maxItems: 16
type: array
gatewayClassName:
description: GatewayClassName used for this Gateway. This is the name
of a GatewayClass resource.
maxLength: 253
minLength: 1
type: string
listeners:
description: "Listeners associated with this Gateway. Listeners define
logical endpoints that are bound on this Gateway's addresses. At
least one Listener MUST be specified. \n Each listener in a Gateway
must have a unique combination of Hostname, Port, and Protocol.
\n An implementation MAY group Listeners by Port and then collapse
each group of Listeners into a single Listener if the implementation
determines that the Listeners in the group are \"compatible\". An
implementation MAY also group together and collapse compatible Listeners
belonging to different Gateways. \n For example, an implementation
might consider Listeners to be compatible with each other if all
of the following conditions are met: \n 1. Either each Listener
within the group specifies the \"HTTP\" Protocol or each Listener
within the group specifies either the \"HTTPS\" or \"TLS\" Protocol.
\n 2. Each Listener within the group specifies a Hostname that is
unique within the group. \n 3. As a special case, one Listener
within a group may omit Hostname, in which case this Listener
matches when no other Listener matches. \n If the implementation
does collapse compatible Listeners, the hostname provided in the
incoming client request MUST be matched to a Listener to find the
correct set of Routes. The incoming hostname MUST be matched using
the Hostname field for each Listener in order of most to least specific.
That is, exact matches must be processed before wildcard matches.
\n If this field specifies multiple Listeners that have the same
Port value but are not compatible, the implementation must raise
a \"Conflicted\" condition in the Listener status. \n Support: Core"
items:
description: Listener embodies the concept of a logical endpoint
where a Gateway accepts network connections.
properties:
allowedRoutes:
default:
namespaces:
from: Same
description: "AllowedRoutes defines the types of routes that
MAY be attached to a Listener and the trusted namespaces where
those Route resources MAY be present. \n Although a client
request may match multiple route rules, only one rule may
ultimately receive the request. Matching precedence MUST be
determined in order of the following criteria: \n * The most
specific match as defined by the Route type. * The oldest
Route based on creation timestamp. For example, a Route with
\ a creation timestamp of \"2020-09-08 01:02:03\" is given
precedence over a Route with a creation timestamp of \"2020-09-08
01:02:04\". * If everything else is equivalent, the Route
appearing first in alphabetical order (namespace/name) should
be given precedence. For example, foo/bar is given precedence
over foo/baz. \n All valid rules within a Route attached to
this Listener should be implemented. Invalid Route rules can
be ignored (sometimes that will mean the full Route). If a
Route rule transitions from valid to invalid, support for
that Route rule should be dropped to ensure consistency. For
example, even if a filter specified by a Route rule is invalid,
the rest of the rules within that Route should still be supported.
\n Support: Core"
properties:
kinds:
description: "Kinds specifies the groups and kinds of Routes
that are allowed to bind to this Gateway Listener. When
unspecified or empty, the kinds of Routes selected are
determined using the Listener protocol. \n A RouteGroupKind
MUST correspond to kinds of Routes that are compatible
with the application protocol specified in the Listener's
Protocol field. If an implementation does not support
or recognize this resource type, it MUST set the \"ResolvedRefs\"
condition to False for this Listener with the \"InvalidRoutesRef\"
reason. \n Support: Core"
items:
description: RouteGroupKind indicates the group and kind
of a Route resource.
properties:
group:
default: gateway.networking.k8s.io
description: Group is the group of the Route.
maxLength: 253
pattern: ^$|^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
type: string
kind:
description: Kind is the kind of the Route.
maxLength: 63
minLength: 1
pattern: ^[a-zA-Z]([-a-zA-Z0-9]*[a-zA-Z0-9])?$
type: string
required:
- kind
type: object
maxItems: 8
type: array
namespaces:
default:
from: Same
description: "Namespaces indicates namespaces from which
Routes may be attached to this Listener. This is restricted
to the namespace of this Gateway by default. \n Support:
Core"
properties:
from:
default: Same
description: "From indicates where Routes will be selected
for this Gateway. Possible values are: * All: Routes
in all namespaces may be used by this Gateway. * Selector:
Routes in namespaces selected by the selector may
be used by this Gateway. * Same: Only Routes in
the same namespace may be used by this Gateway. \n
Support: Core"
enum:
- All
- Selector
- Same
type: string
selector:
description: "Selector must be specified when From is
set to \"Selector\". In that case, only Routes in
Namespaces matching this Selector will be selected
by this Gateway. This field is ignored for other values
of \"From\". \n Support: Core"
properties:
matchExpressions:
description: matchExpressions is a list of label
selector requirements. The requirements are ANDed.
items:
description: A label selector requirement is a
selector that contains values, a key, and an
operator that relates the key and values.
properties:
key:
description: key is the label key that the
selector applies to.
type: string
operator:
description: operator represents a key's relationship
to a set of values. Valid operators are
In, NotIn, Exists and DoesNotExist.
type: string
values:
description: values is an array of string
values. If the operator is In or NotIn,
the values array must be non-empty. If the
operator is Exists or DoesNotExist, the
values array must be empty. This array is
replaced during a strategic merge patch.
items:
type: string
type: array
required:
- key
- operator
type: object
type: array
matchLabels:
additionalProperties:
type: string
description: matchLabels is a map of {key,value}
pairs. A single {key,value} in the matchLabels
map is equivalent to an element of matchExpressions,
whose key field is "key", the operator is "In",
and the values array contains only "value". The
requirements are ANDed.
type: object
type: object
type: object
type: object
hostname:
description: "Hostname specifies the virtual hostname to match
for protocol types that define this concept. When unspecified,
all hostnames are matched. This field is ignored for protocols
that don't require hostname based matching. \n Implementations
MUST apply Hostname matching appropriately for each of the
following protocols: \n * TLS: The Listener Hostname MUST
match the SNI. * HTTP: The Listener Hostname MUST match the
Host header of the request. * HTTPS: The Listener Hostname
SHOULD match at both the TLS and HTTP protocol layers as
described above. If an implementation does not ensure that
both the SNI and Host header match the Listener hostname,
\ it MUST clearly document that. \n For HTTPRoute and TLSRoute
resources, there is an interaction with the `spec.hostnames`
array. When both listener and route specify hostnames, there
MUST be an intersection between the values for a Route to
be accepted. For more information, refer to the Route specific
Hostnames documentation. \n Support: Core"
maxLength: 253
minLength: 1
pattern: ^(\*\.)?[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
type: string
name:
description: "Name is the name of the Listener. \n Support:
Core"
maxLength: 253
minLength: 1
pattern: ^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
type: string
port:
description: "Port is the network port. Multiple listeners may
use the same port, subject to the Listener compatibility rules.
\n Support: Core"
format: int32
maximum: 65535
minimum: 1
type: integer
protocol:
description: "Protocol specifies the network protocol this listener
expects to receive. \n Support: Core"
maxLength: 255
minLength: 1
pattern: ^[a-zA-Z0-9]([-a-zSA-Z0-9]*[a-zA-Z0-9])?$|[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*\/[A-Za-z0-9]+$
type: string
tls:
description: "TLS is the TLS configuration for the Listener.
This field is required if the Protocol field is \"HTTPS\"
or \"TLS\". It is invalid to set this field if the Protocol
field is \"HTTP\", \"TCP\", or \"UDP\". \n The association
of SNIs to Certificate defined in GatewayTLSConfig is defined
based on the Hostname field for this listener. \n The GatewayClass
MUST use the longest matching SNI out of all available certificates
for any TLS handshake. \n Support: Core"
properties:
certificateRefs:
description: "CertificateRefs contains a series of references
to Kubernetes objects that contains TLS certificates and
private keys. These certificates are used to establish
a TLS handshake for requests that match the hostname of
the associated listener. \n A single CertificateRef to
a Kubernetes Secret has \"Core\" support. Implementations
MAY choose to support attaching multiple certificates
to a Listener, but this behavior is implementation-specific.
\n References to a resource in different namespace are
invalid UNLESS there is a ReferencePolicy in the target
namespace that allows the certificate to be attached.
If a ReferencePolicy does not allow this reference, the
\"ResolvedRefs\" condition MUST be set to False for this
listener with the \"InvalidCertificateRef\" reason. \n
This field is required to have at least one element when
the mode is set to \"Terminate\" (default) and is optional
otherwise. \n CertificateRefs can reference to standard
Kubernetes resources, i.e. Secret, or implementation-specific
custom resources. \n Support: Core - A single reference
to a Kubernetes Secret \n Support: Implementation-specific
(More than one reference or other resource types)"
items:
description: "SecretObjectReference identifies an API
object including its namespace, defaulting to Secret.
\n The API object must be valid in the cluster; the
Group and Kind must be registered in the cluster for
this reference to be valid. \n References to objects
with invalid Group and Kind are not valid, and must
be rejected by the implementation, with appropriate
Conditions set on the containing object."
properties:
group:
default: ""
description: Group is the group of the referent. For
example, "networking.k8s.io". When unspecified (empty
string), core API group is inferred.
maxLength: 253
pattern: ^$|^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
type: string
kind:
default: Secret
description: Kind is kind of the referent. For example
"HTTPRoute" or "Service".
maxLength: 63
minLength: 1
pattern: ^[a-zA-Z]([-a-zA-Z0-9]*[a-zA-Z0-9])?$
type: string
name:
description: Name is the name of the referent.
maxLength: 253
minLength: 1
type: string
namespace:
description: "Namespace is the namespace of the backend.
When unspecified, the local namespace is inferred.
\n Note that when a namespace is specified, a ReferencePolicy
object is required in the referent namespace to
allow that namespace's owner to accept the reference.
See the ReferencePolicy documentation for details.
\n Support: Core"
maxLength: 63
minLength: 1
pattern: ^[a-z0-9]([-a-z0-9]*[a-z0-9])?$
type: string
required:
- name
type: object
maxItems: 64
type: array
mode:
default: Terminate
description: "Mode defines the TLS behavior for the TLS
session initiated by the client. There are two possible
modes: \n - Terminate: The TLS session between the downstream
client and the Gateway is terminated at the Gateway.
This mode requires certificateRefs to be set and contain
at least one element. - Passthrough: The TLS session is
NOT terminated by the Gateway. This implies that the
Gateway can't decipher the TLS stream except for the
ClientHello message of the TLS protocol. CertificateRefs
field is ignored in this mode. \n Support: Core"
enum:
- Terminate
- Passthrough
type: string
options:
additionalProperties:
description: AnnotationValue is the value of an annotation
in Gateway API. This is used for validation of maps
such as TLS options. This roughly matches Kubernetes
annotation validation, although the length validation
in that case is based on the entire size of the annotations
struct.
maxLength: 4096
minLength: 0
type: string
description: "Options are a list of key/value pairs to enable
extended TLS configuration for each implementation. For
example, configuring the minimum TLS version or supported
cipher suites. \n A set of common keys MAY be defined
by the API in the future. To avoid any ambiguity, implementation-specific
definitions MUST use domain-prefixed names, such as `example.com/my-custom-option`.
Un-prefixed names are reserved for key names defined by
Gateway API. \n Support: Implementation-specific"
maxProperties: 16
type: object
type: object
required:
- name
- port
- protocol
type: object
maxItems: 64
minItems: 1
type: array
x-kubernetes-list-map-keys:
- name
x-kubernetes-list-type: map
required:
- gatewayClassName
- listeners
type: object
status:
default:
conditions:
- lastTransitionTime: "1970-01-01T00:00:00Z"
message: Waiting for controller
reason: NotReconciled
status: Unknown
type: Scheduled
description: Status defines the current state of Gateway.
properties:
addresses:
description: Addresses lists the IP addresses that have actually been
bound to the Gateway. These addresses may differ from the addresses
in the Spec, e.g. if the Gateway automatically assigns an address
from a reserved pool.
items:
description: GatewayAddress describes an address that can be bound
to a Gateway.
properties:
type:
default: IPAddress
description: Type of the address.
enum:
- IPAddress
- Hostname
- NamedAddress
type: string
value:
description: "Value of the address. The validity of the values
will depend on the type and support by the controller. \n
Examples: `1.2.3.4`, `128::1`, `my-ip-address`."
maxLength: 253
minLength: 1
type: string
required:
- value
type: object
maxItems: 16
type: array
conditions:
default:
- lastTransitionTime: "1970-01-01T00:00:00Z"
message: Waiting for controller
reason: NotReconciled
status: Unknown
type: Scheduled
description: "Conditions describe the current conditions of the Gateway.
\n Implementations should prefer to express Gateway conditions using
the `GatewayConditionType` and `GatewayConditionReason` constants
so that operators and tools can converge on a common vocabulary
to describe Gateway state. \n Known condition types are: \n * \"Scheduled\"
* \"Ready\""
items:
description: "Condition contains details for one aspect of the current
state of this API Resource. --- This struct is intended for direct
use as an array at the field path .status.conditions. For example,
type FooStatus struct{ // Represents the observations of a
foo's current state. // Known .status.conditions.type are:
\"Available\", \"Progressing\", and \"Degraded\" // +patchMergeKey=type
\ // +patchStrategy=merge // +listType=map // +listMapKey=type
\ Conditions []metav1.Condition `json:\"conditions,omitempty\"
patchStrategy:\"merge\" patchMergeKey:\"type\" protobuf:\"bytes,1,rep,name=conditions\"`
\n // other fields }"
properties:
lastTransitionTime:
description: lastTransitionTime is the last time the condition
transitioned from one status to another. This should be when
the underlying condition changed. If that is not known, then
using the time when the API field changed is acceptable.
format: date-time
type: string
message:
description: message is a human readable message indicating
details about the transition. This may be an empty string.
maxLength: 32768
type: string
observedGeneration:
description: observedGeneration represents the .metadata.generation
that the condition was set based upon. For instance, if .metadata.generation
is currently 12, but the .status.conditions[x].observedGeneration
is 9, the condition is out of date with respect to the current
state of the instance.
format: int64
minimum: 0
type: integer
reason:
description: reason contains a programmatic identifier indicating
the reason for the condition's last transition. Producers
of specific condition types may define expected values and
meanings for this field, and whether the values are considered
a guaranteed API. The value should be a CamelCase string.
This field may not be empty.
maxLength: 1024
minLength: 1
pattern: ^[A-Za-z]([A-Za-z0-9_,:]*[A-Za-z0-9_])?$
type: string
status:
description: status of the condition, one of True, False, Unknown.
enum:
- "True"
- "False"
- Unknown
type: string
type:
description: type of condition in CamelCase or in foo.example.com/CamelCase.
--- Many .condition.type values are consistent across resources
like Available, but because arbitrary conditions can be useful
(see .node.status.conditions), the ability to deconflict is
important. The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
maxLength: 316
pattern: ^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$
type: string
required:
- lastTransitionTime
- message
- reason
- status
- type
type: object
maxItems: 8
type: array
x-kubernetes-list-map-keys:
- type
x-kubernetes-list-type: map
listeners:
description: Listeners provide status for each unique listener port
defined in the Spec.
items:
description: ListenerStatus is the status associated with a Listener.
properties:
attachedRoutes:
description: AttachedRoutes represents the total number of Routes
that have been successfully attached to this Listener.
format: int32
type: integer
conditions:
description: Conditions describe the current condition of this
listener.
items:
description: "Condition contains details for one aspect of
the current state of this API Resource. --- This struct
is intended for direct use as an array at the field path
.status.conditions. For example, type FooStatus struct{
\ // Represents the observations of a foo's current state.
\ // Known .status.conditions.type are: \"Available\",
\"Progressing\", and \"Degraded\" // +patchMergeKey=type
\ // +patchStrategy=merge // +listType=map //
+listMapKey=type Conditions []metav1.Condition `json:\"conditions,omitempty\"
patchStrategy:\"merge\" patchMergeKey:\"type\" protobuf:\"bytes,1,rep,name=conditions\"`
\n // other fields }"
properties:
lastTransitionTime:
description: lastTransitionTime is the last time the condition
transitioned from one status to another. This should
be when the underlying condition changed. If that is
not known, then using the time when the API field changed
is acceptable.
format: date-time
type: string
message:
description: message is a human readable message indicating
details about the transition. This may be an empty string.
maxLength: 32768
type: string
observedGeneration:
description: observedGeneration represents the .metadata.generation
that the condition was set based upon. For instance,
if .metadata.generation is currently 12, but the .status.conditions[x].observedGeneration
is 9, the condition is out of date with respect to the
current state of the instance.
format: int64
minimum: 0
type: integer
reason:
description: reason contains a programmatic identifier
indicating the reason for the condition's last transition.
Producers of specific condition types may define expected
values and meanings for this field, and whether the
values are considered a guaranteed API. The value should
be a CamelCase string. This field may not be empty.
maxLength: 1024
minLength: 1
pattern: ^[A-Za-z]([A-Za-z0-9_,:]*[A-Za-z0-9_])?$
type: string
status:
description: status of the condition, one of True, False,
Unknown.
enum:
- "True"
- "False"
- Unknown
type: string
type:
description: type of condition in CamelCase or in foo.example.com/CamelCase.
--- Many .condition.type values are consistent across
resources like Available, but because arbitrary conditions
can be useful (see .node.status.conditions), the ability
to deconflict is important. The regex it matches is
(dns1123SubdomainFmt/)?(qualifiedNameFmt)
maxLength: 316
pattern: ^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$
type: string
required:
- lastTransitionTime
- message
- reason
- status
- type
type: object
maxItems: 8
type: array
x-kubernetes-list-map-keys:
- type
x-kubernetes-list-type: map
name:
description: Name is the name of the Listener that this status
corresponds to.
maxLength: 253
minLength: 1
pattern: ^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
type: string
supportedKinds:
description: "SupportedKinds is the list indicating the Kinds
supported by this listener. This MUST represent the kinds
an implementation supports for that Listener configuration.
\n If kinds are specified in Spec that are not supported,
they MUST NOT appear in this list and an implementation MUST
set the \"ResolvedRefs\" condition to \"False\" with the \"InvalidRouteKinds\"
reason. If both valid and invalid Route kinds are specified,
the implementation MUST reference the valid Route kinds that
have been specified."
items:
description: RouteGroupKind indicates the group and kind of
a Route resource.
properties:
group:
default: gateway.networking.k8s.io
description: Group is the group of the Route.
maxLength: 253
pattern: ^$|^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
type: string
kind:
description: Kind is the kind of the Route.
maxLength: 63
minLength: 1
pattern: ^[a-zA-Z]([-a-zA-Z0-9]*[a-zA-Z0-9])?$
type: string
required:
- kind
type: object
maxItems: 8
type: array
required:
- attachedRoutes
- conditions
- name
- supportedKinds
type: object
maxItems: 64
type: array
x-kubernetes-list-map-keys:
- name
x-kubernetes-list-type: map
type: object
required:
- spec
type: object
served: true
storage: true
subresources:
status: {}
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []