Add generated file
This PR adds generated files under pkg/client and vendor folder.
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163
vendor/k8s.io/kubernetes/pkg/kubelet/cm/container_manager.go
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vendored
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163
vendor/k8s.io/kubernetes/pkg/kubelet/cm/container_manager.go
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/*
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Copyright 2015 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 cm
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import (
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"time"
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"k8s.io/apimachinery/pkg/util/sets"
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// TODO: Migrate kubelet to either use its own internal objects or client library.
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"k8s.io/api/core/v1"
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internalapi "k8s.io/kubernetes/pkg/kubelet/apis/cri"
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"k8s.io/kubernetes/pkg/kubelet/config"
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kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
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evictionapi "k8s.io/kubernetes/pkg/kubelet/eviction/api"
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"k8s.io/kubernetes/pkg/kubelet/lifecycle"
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"k8s.io/kubernetes/pkg/kubelet/status"
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schedulercache "k8s.io/kubernetes/pkg/scheduler/cache"
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"fmt"
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"strconv"
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"strings"
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)
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type ActivePodsFunc func() []*v1.Pod
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// Manages the containers running on a machine.
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type ContainerManager interface {
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// Runs the container manager's housekeeping.
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// - Ensures that the Docker daemon is in a container.
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// - Creates the system container where all non-containerized processes run.
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Start(*v1.Node, ActivePodsFunc, config.SourcesReady, status.PodStatusProvider, internalapi.RuntimeService) error
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// SystemCgroupsLimit returns resources allocated to system cgroups in the machine.
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// These cgroups include the system and Kubernetes services.
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SystemCgroupsLimit() v1.ResourceList
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// GetNodeConfig returns a NodeConfig that is being used by the container manager.
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GetNodeConfig() NodeConfig
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// Status returns internal Status.
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Status() Status
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// NewPodContainerManager is a factory method which returns a podContainerManager object
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// Returns a noop implementation if qos cgroup hierarchy is not enabled
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NewPodContainerManager() PodContainerManager
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// GetMountedSubsystems returns the mounted cgroup subsystems on the node
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GetMountedSubsystems() *CgroupSubsystems
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// GetQOSContainersInfo returns the names of top level QoS containers
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GetQOSContainersInfo() QOSContainersInfo
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// GetNodeAllocatableReservation returns the amount of compute resources that have to be reserved from scheduling.
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GetNodeAllocatableReservation() v1.ResourceList
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// GetCapacity returns the amount of compute resources tracked by container manager available on the node.
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GetCapacity() v1.ResourceList
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// GetDevicePluginResourceCapacity returns the node capacity (amount of total device plugin resources),
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// node allocatable (amount of total healthy resources reported by device plugin),
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// and inactive device plugin resources previously registered on the node.
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GetDevicePluginResourceCapacity() (v1.ResourceList, v1.ResourceList, []string)
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// UpdateQOSCgroups performs housekeeping updates to ensure that the top
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// level QoS containers have their desired state in a thread-safe way
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UpdateQOSCgroups() error
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// GetResources returns RunContainerOptions with devices, mounts, and env fields populated for
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// extended resources required by container.
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GetResources(pod *v1.Pod, container *v1.Container) (*kubecontainer.RunContainerOptions, error)
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// UpdatePluginResources calls Allocate of device plugin handler for potential
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// requests for device plugin resources, and returns an error if fails.
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// Otherwise, it updates allocatableResource in nodeInfo if necessary,
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// to make sure it is at least equal to the pod's requested capacity for
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// any registered device plugin resource
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UpdatePluginResources(*schedulercache.NodeInfo, *lifecycle.PodAdmitAttributes) error
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InternalContainerLifecycle() InternalContainerLifecycle
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// GetPodCgroupRoot returns the cgroup which contains all pods.
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GetPodCgroupRoot() string
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}
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type NodeConfig struct {
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RuntimeCgroupsName string
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SystemCgroupsName string
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KubeletCgroupsName string
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ContainerRuntime string
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CgroupsPerQOS bool
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CgroupRoot string
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CgroupDriver string
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KubeletRootDir string
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ProtectKernelDefaults bool
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NodeAllocatableConfig
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QOSReserved map[v1.ResourceName]int64
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ExperimentalCPUManagerPolicy string
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ExperimentalCPUManagerReconcilePeriod time.Duration
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ExperimentalPodPidsLimit int64
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EnforceCPULimits bool
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}
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type NodeAllocatableConfig struct {
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KubeReservedCgroupName string
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SystemReservedCgroupName string
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EnforceNodeAllocatable sets.String
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KubeReserved v1.ResourceList
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SystemReserved v1.ResourceList
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HardEvictionThresholds []evictionapi.Threshold
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}
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type Status struct {
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// Any soft requirements that were unsatisfied.
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SoftRequirements error
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}
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// parsePercentage parses the percentage string to numeric value.
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func parsePercentage(v string) (int64, error) {
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if !strings.HasSuffix(v, "%") {
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return 0, fmt.Errorf("percentage expected, got '%s'", v)
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}
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percentage, err := strconv.ParseInt(strings.TrimRight(v, "%"), 10, 0)
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if err != nil {
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return 0, fmt.Errorf("invalid number in percentage '%s'", v)
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}
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if percentage < 0 || percentage > 100 {
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return 0, fmt.Errorf("percentage must be between 0 and 100")
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}
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return percentage, nil
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}
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// ParseQOSReserved parses the --qos-reserve-requests option
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func ParseQOSReserved(m map[string]string) (*map[v1.ResourceName]int64, error) {
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reservations := make(map[v1.ResourceName]int64)
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for k, v := range m {
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switch v1.ResourceName(k) {
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// Only memory resources are supported.
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case v1.ResourceMemory:
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q, err := parsePercentage(v)
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if err != nil {
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return nil, err
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}
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reservations[v1.ResourceName(k)] = q
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default:
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return nil, fmt.Errorf("cannot reserve %q resource", k)
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}
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}
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return &reservations, nil
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}
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