57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
// +build !windows
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package daemon // import "github.com/docker/docker/daemon"
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import (
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"fmt"
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"os/exec"
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"path/filepath"
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"github.com/containerd/containerd/runtime/linux/runctypes"
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"github.com/docker/docker/container"
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"github.com/docker/docker/errdefs"
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"github.com/pkg/errors"
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)
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func (daemon *Daemon) getRuntimeScript(container *container.Container) (string, error) {
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name := container.HostConfig.Runtime
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rt := daemon.configStore.GetRuntime(name)
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if rt == nil {
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return "", errdefs.InvalidParameter(errors.Errorf("no such runtime '%s'", name))
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}
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if len(rt.Args) > 0 {
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// First check that the target exist, as using it in a script won't
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// give us the right error
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if _, err := exec.LookPath(rt.Path); err != nil {
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return "", translateContainerdStartErr(container.Path, container.SetExitCode, err)
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}
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return filepath.Join(daemon.configStore.Root, "runtimes", name), nil
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}
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return rt.Path, nil
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}
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// getLibcontainerdCreateOptions callers must hold a lock on the container
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func (daemon *Daemon) getLibcontainerdCreateOptions(container *container.Container) (interface{}, error) {
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// Ensure a runtime has been assigned to this container
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if container.HostConfig.Runtime == "" {
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container.HostConfig.Runtime = daemon.configStore.GetDefaultRuntimeName()
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container.CheckpointTo(daemon.containersReplica)
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}
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path, err := daemon.getRuntimeScript(container)
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if err != nil {
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return nil, err
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}
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opts := &runctypes.RuncOptions{
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Runtime: path,
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RuntimeRoot: filepath.Join(daemon.configStore.ExecRoot,
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fmt.Sprintf("runtime-%s", container.HostConfig.Runtime)),
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}
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if UsingSystemd(daemon.configStore) {
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opts.SystemdCgroup = true
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}
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return opts, nil
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}
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