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https://github.com/aljazceru/kata-containers.git
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81f376920e
Update command is used to update container's resources at run time. All constraints are applied inside the VM to each container cgroup. By now only CPU constraints are fully supported, vCPU are hot added or removed depending of the new constraint. fixes #189 Signed-off-by: Julio Montes <julio.montes@intel.com>
81 lines
3.0 KiB
Go
81 lines
3.0 KiB
Go
// Copyright (c) 2017 Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package virtcontainers
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import (
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"io"
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"syscall"
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specs "github.com/opencontainers/runtime-spec/specs-go"
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"github.com/sirupsen/logrus"
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)
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// VC is the Virtcontainers interface
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type VC interface {
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SetLogger(logger logrus.FieldLogger)
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CreateSandbox(sandboxConfig SandboxConfig) (VCSandbox, error)
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DeleteSandbox(sandboxID string) (VCSandbox, error)
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FetchSandbox(sandboxID string) (VCSandbox, error)
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ListSandbox() ([]SandboxStatus, error)
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PauseSandbox(sandboxID string) (VCSandbox, error)
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ResumeSandbox(sandboxID string) (VCSandbox, error)
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RunSandbox(sandboxConfig SandboxConfig) (VCSandbox, error)
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StartSandbox(sandboxID string) (VCSandbox, error)
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StatusSandbox(sandboxID string) (SandboxStatus, error)
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StopSandbox(sandboxID string) (VCSandbox, error)
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CreateContainer(sandboxID string, containerConfig ContainerConfig) (VCSandbox, VCContainer, error)
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DeleteContainer(sandboxID, containerID string) (VCContainer, error)
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EnterContainer(sandboxID, containerID string, cmd Cmd) (VCSandbox, VCContainer, *Process, error)
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KillContainer(sandboxID, containerID string, signal syscall.Signal, all bool) error
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StartContainer(sandboxID, containerID string) (VCContainer, error)
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StatusContainer(sandboxID, containerID string) (ContainerStatus, error)
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StopContainer(sandboxID, containerID string) (VCContainer, error)
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ProcessListContainer(sandboxID, containerID string, options ProcessListOptions) (ProcessList, error)
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UpdateContainer(sandboxID, containerID string, resources specs.LinuxResources) error
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}
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// VCSandbox is the Sandbox interface
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// (required since virtcontainers.Sandbox only contains private fields)
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type VCSandbox interface {
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Annotations(key string) (string, error)
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GetAllContainers() []VCContainer
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GetAnnotations() map[string]string
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GetContainer(containerID string) VCContainer
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ID() string
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SetAnnotations(annotations map[string]string) error
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Pause() error
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Resume() error
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Release() error
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Monitor() (chan error, error)
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Delete() error
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Status() SandboxStatus
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CreateContainer(contConfig ContainerConfig) (VCContainer, error)
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DeleteContainer(contID string) (VCContainer, error)
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StartContainer(containerID string) (VCContainer, error)
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StatusContainer(containerID string) (ContainerStatus, error)
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EnterContainer(containerID string, cmd Cmd) (VCContainer, *Process, error)
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UpdateContainer(containerID string, resources specs.LinuxResources) error
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WaitProcess(containerID, processID string) (int32, error)
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SignalProcess(containerID, processID string, signal syscall.Signal, all bool) error
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WinsizeProcess(containerID, processID string, height, width uint32) error
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IOStream(containerID, processID string) (io.WriteCloser, io.Reader, io.Reader, error)
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}
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// VCContainer is the Container interface
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// (required since virtcontainers.Container only contains private fields)
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type VCContainer interface {
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GetAnnotations() map[string]string
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GetPid() int
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GetToken() string
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ID() string
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Sandbox() VCSandbox
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Process() Process
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SetPid(pid int) error
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}
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