containerutil

package
v1.2.1 Latest Latest
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Published: Feb 28, 2023 License: Apache-2.0 Imports: 33 Imported by: 1

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Constants

This section is empty.

Variables

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Functions

func ContainerNetNSPath added in v1.2.0

func ContainerNetNSPath(ctx context.Context, c containerd.Container) (string, error)

ContainerNetNSPath returns the netns path of a container.

func ContainerStatus added in v1.2.0

func ContainerStatus(ctx context.Context, c containerd.Container) (containerd.Status, error)

ContainerStatus returns the container's status from its task.

func CopyFiles added in v1.2.1

func CopyFiles(ctx context.Context, container2host bool, pid int, dst, src string, followSymlink bool) error

CopyFiles implements `nerdctl cp`.

See https://docs.docker.com/engine/reference/commandline/cp/ for the specification.

func GenerateSharingPIDOpts added in v1.2.0

func GenerateSharingPIDOpts(ctx context.Context, targetCon containerd.Container) ([]oci.SpecOpts, error)

GenerateSharingPIDOpts returns the oci.SpecOpts that shares the host linux namespace from `targetCon` If `targetCon` doesn't have a `PIDNamespace`, a new one is generated from its `Pid`.

func Pause added in v1.2.0

func Pause(ctx context.Context, client *containerd.Client, id string) error

Pause pauses a container by its id.

func PrintHostPort

func PrintHostPort(ctx context.Context, writer io.Writer, container containerd.Container, containerPort int, proto string) error

PrintHostPort writes to `writer` the public (HostIP:HostPort) of a given `containerPort/protocol` in a container. if `containerPort < 0`, it writes all public ports of the container.

func ReconfigNetContainer added in v1.2.0

func ReconfigNetContainer(ctx context.Context, c containerd.Container, client *containerd.Client, lab map[string]string) error

ReconfigNetContainer reconfigures the container's network namespace path.

func ReconfigPIDContainer added in v1.2.0

func ReconfigPIDContainer(ctx context.Context, c containerd.Container, client *containerd.Client, lab map[string]string) error

ReconfigPIDContainer reconfigures the container's spec options for sharing PID namespace.

func Start added in v1.2.0

func Start(ctx context.Context, container containerd.Container, flagA bool, client *containerd.Client) error

Start starts `container` with `attach` flag. If `attach` is true, it will attach to the container's stdio.

func Stop added in v1.2.0

func Stop(ctx context.Context, container containerd.Container, timeout *time.Duration) error

Stop stops `container` by sending SIGTERM. If the container is not stopped after `timeout`, it sends a SIGKILL.

func Unpause added in v1.2.1

func Unpause(ctx context.Context, client *containerd.Client, id string) error

Unpause unpauses a container by its id.

func UpdateExplicitlyStoppedLabel added in v1.2.0

func UpdateExplicitlyStoppedLabel(ctx context.Context, container containerd.Container, explicitlyStopped bool) error

UpdateExplicitlyStoppedLabel updates the "containerd.io/restart.explicitly-stopped" label of the container according to the value of explicitlyStopped.

func WithBindMountHostProcfs added in v1.2.0

func WithBindMountHostProcfs(_ context.Context, _ oci.Client, _ *containers.Container, s *oci.Spec) error

WithBindMountHostProcfs replaces procfs mount with rbind. Required for --pid=host on rootless.

https://github.com/moby/moby/pull/41893/files https://github.com/containers/podman/blob/v3.0.0-rc1/pkg/specgen/generate/oci.go#L248-L257

Types

This section is empty.

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