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112 lines
5.0 KiB
Go
112 lines
5.0 KiB
Go
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/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1beta1
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import (
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// +genclient
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// +genclient:nonNamespaced
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// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
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// +k8s:prerelease-lifecycle-gen:introduced=1.13
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// +k8s:prerelease-lifecycle-gen:deprecated=1.22
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// RuntimeClass defines a class of container runtime supported in the cluster.
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// The RuntimeClass is used to determine which container runtime is used to run
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// all containers in a pod. RuntimeClasses are (currently) manually defined by a
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// user or cluster provisioner, and referenced in the PodSpec. The Kubelet is
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// responsible for resolving the RuntimeClassName reference before running the
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// pod. For more details, see
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// https://git.k8s.io/enhancements/keps/sig-node/585-runtime-class
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type RuntimeClass struct {
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metav1.TypeMeta `json:",inline"`
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
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// Handler specifies the underlying runtime and configuration that the CRI
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// implementation will use to handle pods of this class. The possible values
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// are specific to the node & CRI configuration. It is assumed that all
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// handlers are available on every node, and handlers of the same name are
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// equivalent on every node.
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// For example, a handler called "runc" might specify that the runc OCI
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// runtime (using native Linux containers) will be used to run the containers
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// in a pod.
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// The Handler must be lowercase, conform to the DNS Label (RFC 1123) requirements,
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// and is immutable.
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Handler string `json:"handler" protobuf:"bytes,2,opt,name=handler"`
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// Overhead represents the resource overhead associated with running a pod for a
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// given RuntimeClass. For more details, see
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// https://git.k8s.io/enhancements/keps/sig-node/688-pod-overhead/README.md
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// This field is beta-level as of Kubernetes v1.18, and is only honored by servers that enable the PodOverhead feature.
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// +optional
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Overhead *Overhead `json:"overhead,omitempty" protobuf:"bytes,3,opt,name=overhead"`
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// Scheduling holds the scheduling constraints to ensure that pods running
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// with this RuntimeClass are scheduled to nodes that support it.
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// If scheduling is nil, this RuntimeClass is assumed to be supported by all
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// nodes.
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// +optional
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Scheduling *Scheduling `json:"scheduling,omitempty" protobuf:"bytes,4,opt,name=scheduling"`
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}
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// Overhead structure represents the resource overhead associated with running a pod.
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type Overhead struct {
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// PodFixed represents the fixed resource overhead associated with running a pod.
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// +optional
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PodFixed corev1.ResourceList `json:"podFixed,omitempty" protobuf:"bytes,1,opt,name=podFixed,casttype=k8s.io/api/core/v1.ResourceList,castkey=k8s.io/api/core/v1.ResourceName,castvalue=k8s.io/apimachinery/pkg/api/resource.Quantity"`
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}
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// Scheduling specifies the scheduling constraints for nodes supporting a
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// RuntimeClass.
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type Scheduling struct {
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// nodeSelector lists labels that must be present on nodes that support this
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// RuntimeClass. Pods using this RuntimeClass can only be scheduled to a
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// node matched by this selector. The RuntimeClass nodeSelector is merged
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// with a pod's existing nodeSelector. Any conflicts will cause the pod to
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// be rejected in admission.
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// +optional
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// +mapType=atomic
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NodeSelector map[string]string `json:"nodeSelector,omitempty" protobuf:"bytes,1,opt,name=nodeSelector"`
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// tolerations are appended (excluding duplicates) to pods running with this
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// RuntimeClass during admission, effectively unioning the set of nodes
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// tolerated by the pod and the RuntimeClass.
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// +optional
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// +listType=atomic
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Tolerations []corev1.Toleration `json:"tolerations,omitempty" protobuf:"bytes,2,rep,name=tolerations"`
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}
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// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
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// +k8s:prerelease-lifecycle-gen:introduced=1.13
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// +k8s:prerelease-lifecycle-gen:deprecated=1.22
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// RuntimeClassList is a list of RuntimeClass objects.
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type RuntimeClassList struct {
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metav1.TypeMeta `json:",inline"`
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// Standard list metadata.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
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// Items is a list of schema objects.
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Items []RuntimeClass `json:"items" protobuf:"bytes,2,rep,name=items"`
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}
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