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Add cgroup driver and cgroups-per-qos flags to kubelet
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@ -164,7 +164,8 @@ func (s *KubeletServer) AddFlags(fs *pflag.FlagSet) {
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fs.MarkDeprecated("system-container", "Use --system-cgroups instead. Will be removed in a future version.")
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fs.StringVar(&s.SystemCgroups, "system-cgroups", s.SystemCgroups, "Optional absolute name of cgroups in which to place all non-kernel processes that are not already inside a cgroup under `/`. Empty for no container. Rolling back the flag requires a reboot. (Default: \"\").")
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//fs.BoolVar(&s.CgroupsPerQOS, "cgroups-per-qos", s.CgroupsPerQOS, "Enable creation of QoS cgroup hierarchy, if true top level QoS and pod cgroups are created.")
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fs.BoolVar(&s.CgroupsPerQOS, "cgroups-per-qos", s.CgroupsPerQOS, "Enable creation of QoS cgroup hierarchy, if true top level QoS and pod cgroups are created.")
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fs.StringVar(&s.CgroupDriver, "cgroup-driver", s.CgroupDriver, "Driver that the kubelet uses to manipulate cgroups on the host. Possible values: 'cgroupfs', 'systemd'")
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fs.StringVar(&s.CgroupRoot, "cgroup-root", s.CgroupRoot, "Optional root cgroup to use for pods. This is handled by the container runtime on a best effort basis. Default: '', which means use the container runtime default.")
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fs.StringVar(&s.ContainerRuntime, "container-runtime", s.ContainerRuntime, "The container runtime to use. Possible values: 'docker', 'rkt'. Default: 'docker'.")
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fs.DurationVar(&s.RuntimeRequestTimeout.Duration, "runtime-request-timeout", s.RuntimeRequestTimeout.Duration, "Timeout of all runtime requests except long running request - pull, logs, exec and attach. When timeout exceeded, kubelet will cancel the request, throw out an error and retry later. Default: 2m0s")
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@ -279,7 +279,9 @@ type KubeletConfiguration struct {
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// Enable QoS based Cgroup hierarchy: top level cgroups for QoS Classes
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// And all Burstable and BestEffort pods are brought up under their
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// specific top level QoS cgroup.
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CgroupsPerQOS bool `json:"CgroupsPerQOS,omitempty"`
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CgroupsPerQOS bool `json:"cgroupsPerQOS,omitempty"`
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// driver that the kubelet uses to manipulate cgroups on the host (cgroupfs or systemd)
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CgroupDriver string `json:"cgroupDriver,omitempty"`
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// Cgroups that container runtime is expected to be isolated in.
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RuntimeCgroups string `json:"runtimeCgroups,omitempty"`
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// SystemCgroups is absolute name of cgroups in which to place
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@ -351,6 +351,13 @@ func SetDefaults_KubeletConfiguration(obj *KubeletConfiguration) {
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temp := int32(defaultIPTablesDropBit)
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obj.IPTablesDropBit = &temp
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}
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if obj.CgroupDriver == "" {
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obj.CgroupDriver = "cgroupfs"
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}
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if obj.CgroupsPerQOS == nil {
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temp := false
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obj.CgroupsPerQOS = &temp
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}
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}
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func boolVar(b bool) *bool {
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@ -343,7 +343,9 @@ type KubeletConfiguration struct {
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// Enable QoS based Cgroup hierarchy: top level cgroups for QoS Classes
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// And all Burstable and BestEffort pods are brought up under their
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// specific top level QoS cgroup.
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CgroupsPerQOS *bool `json:"CgroupsPerQOS,omitempty"`
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CgroupsPerQOS *bool `json:"cgroupsPerQOS,omitempty"`
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// driver that the kubelet uses to manipulate cgroups on the host (cgroupfs or systemd)
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CgroupDriver string `json:"cgroupDriver,omitempty"`
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// containerRuntime is the container runtime to use.
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ContainerRuntime string `json:"containerRuntime"`
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// remoteRuntimeEndpoint is the endpoint of remote runtime service
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