64 lines
2 KiB
Go
64 lines
2 KiB
Go
/*
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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 "k8s.io/kubernetes/pkg/api/v1"
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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) error
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// 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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// Returns a NodeConfig that is being used by the container manager.
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GetNodeConfig() NodeConfig
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// 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 subsytems 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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}
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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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ProtectKernelDefaults bool
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EnableCRI bool
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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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